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Tegegne HA, Freeth FT, Bogaardt C, Taylor E, Reinhardt J, Collineau L, Prada JM, Hénaux V. Implementation of One Health surveillance systems: Opportunities and challenges - lessons learned from the OH-EpiCap application. One Health 2024; 18:100704. [PMID: 38496337 PMCID: PMC10940803 DOI: 10.1016/j.onehlt.2024.100704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 03/04/2024] [Indexed: 03/19/2024] Open
Abstract
As the complexity of health systems has increased over time, there is an urgent need for developing multi-sectoral and multi-disciplinary collaborations within the domain of One Health (OH). Despite the efforts to promote collaboration in health surveillance and overcome professional silos, implementing OH surveillance systems in practice remains challenging for multiple reasons. In this study, we describe the lessons learned from the evaluation of OH surveillance using OH-EpiCap (an online evaluation tool for One Health epidemiological surveillance capacities and capabilities), the challenges identified with the implementation of OH surveillance, and the main barriers that contribute to its sub-optimal functioning, as well as possible solutions to address them. We conducted eleven case studies targeting the multi-sectoral surveillance systems for antimicrobial resistance in Portugal and France, Salmonella in France, Germany, and the Netherlands, Listeria in The Netherlands, Finland and Norway, Campylobacter in Norway and Sweden, and psittacosis in Denmark. These evaluations facilitated the identification of common strengths and weaknesses, focusing on the organization and functioning of existing collaborations and their impacts on the surveillance system. Lack of operational and shared leadership, adherence to FAIR data principles, sharing of techniques, and harmonized indicators led to poor organization and sub-optimal functioning of OH surveillance systems. In the majority of studied systems, the effectiveness, operational costs, behavioral changes, and population health outcomes brought by the OH surveillance over traditional surveillance (i.e. compartmentalized into sectors) have not been evaluated. To this end, the establishment of a formal governance body with representatives from each sector could assist in overcoming long-standing barriers. Moreover, demonstrating the impacts of OH-ness of surveillance may facilitate the implementation of OH surveillance systems.
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Affiliation(s)
- Henok Ayalew Tegegne
- University of Lyon - ANSES, Laboratory of Lyon, Epidemiology and Support to Surveillance Unit, 69007 Lyon, France
| | - Frederick T.A. Freeth
- University of Surrey, School of Veterinary Medicine, Guildford, GU2 7XH Surrey, United Kingdom
| | - Carlijn Bogaardt
- University of Surrey, School of Veterinary Medicine, Guildford, GU2 7XH Surrey, United Kingdom
| | - Emma Taylor
- University of Surrey, School of Veterinary Medicine, Guildford, GU2 7XH Surrey, United Kingdom
| | - Johana Reinhardt
- ANSES, Risk Assessment Department, Animal Health, Welfare, Feed and Vectors Risk Assessment Unit, 94700 Maisons-Alfort, France
| | - Lucie Collineau
- University of Lyon - ANSES, Laboratory of Lyon, Epidemiology and Support to Surveillance Unit, 69007 Lyon, France
| | - Joaquin M. Prada
- University of Surrey, School of Veterinary Medicine, Guildford, GU2 7XH Surrey, United Kingdom
| | - Viviane Hénaux
- University of Lyon - ANSES, Laboratory of Lyon, Epidemiology and Support to Surveillance Unit, 69007 Lyon, France
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2
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Destoumieux-Garzón D, Montagnani C, Dantan L, Nicolas NDS, Travers MA, Duperret L, Charrière GM, Toulza E, Mitta G, Cosseau C, Escoubas JM. Cross-talk and mutual shaping between the immune system and the microbiota during an oyster's life. Philos Trans R Soc Lond B Biol Sci 2024; 379:20230065. [PMID: 38497271 PMCID: PMC10945412 DOI: 10.1098/rstb.2023.0065] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 09/25/2023] [Indexed: 03/19/2024] Open
Abstract
The Pacific oyster Crassostrea gigas lives in microbe-rich marine coastal systems subjected to rapid environmental changes. It harbours a diversified and fluctuating microbiota that cohabits with immune cells expressing a diversified immune gene repertoire. In the early stages of oyster development, just after fertilization, the microbiota plays a key role in educating the immune system. Exposure to a rich microbial environment at the larval stage leads to an increase in immune competence throughout the life of the oyster, conferring a better protection against pathogenic infections at later juvenile/adult stages. This beneficial effect, which is intergenerational, is associated with epigenetic remodelling. At juvenile stages, the educated immune system participates in the control of the homeostasis. In particular, the microbiota is fine-tuned by oyster antimicrobial peptides acting through specific and synergistic effects. However, this balance is fragile, as illustrated by the Pacific Oyster Mortality Syndrome, a disease causing mass mortalities in oysters worldwide. In this disease, the weakening of oyster immune defences by OsHV-1 µVar virus induces a dysbiosis leading to fatal sepsis. This review illustrates the continuous interaction between the highly diversified oyster immune system and its dynamic microbiota throughout its life, and the importance of this cross-talk for oyster health. This article is part of the theme issue 'Sculpting the microbiome: how host factors determine and respond to microbial colonization'.
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Affiliation(s)
- Delphine Destoumieux-Garzón
- IHPE, University of Montpellier, CNRS, IFREMER, University of Perpignan Via Domitia,34090 Montpellier, France
| | - Caroline Montagnani
- IHPE, University of Montpellier, CNRS, IFREMER, University of Perpignan Via Domitia,34090 Montpellier, France
| | - Luc Dantan
- IHPE, University of Montpellier, CNRS, IFREMER, University of Perpignan Via Domitia,34090 Montpellier, France
| | - Noémie de San Nicolas
- IHPE, University of Montpellier, CNRS, IFREMER, University of Perpignan Via Domitia,34090 Montpellier, France
| | - Marie-Agnès Travers
- IHPE, University of Montpellier, CNRS, IFREMER, University of Perpignan Via Domitia,34090 Montpellier, France
| | - Léo Duperret
- IHPE, University of Montpellier, CNRS, IFREMER, University of Perpignan Via Domitia,34090 Montpellier, France
| | - Guillaume M. Charrière
- IHPE, University of Montpellier, CNRS, IFREMER, University of Perpignan Via Domitia,34090 Montpellier, France
| | - Eve Toulza
- IHPE, University of Montpellier, CNRS, IFREMER, University of Perpignan Via Domitia,34090 Montpellier, France
| | - Guillaume Mitta
- Ifremer, IRD, ILM, Université de Polynésie Française, UMR EIO, Vairao 98179, French Polynesia
| | - Céline Cosseau
- IHPE, University of Montpellier, CNRS, IFREMER, University of Perpignan Via Domitia,34090 Montpellier, France
| | - Jean-Michel Escoubas
- IHPE, University of Montpellier, CNRS, IFREMER, University of Perpignan Via Domitia,34090 Montpellier, France
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Azizan A, Venter L, Zhang J, Young T, Ericson JA, Delorme NJ, Ragg NLC, Alfaro AC. Interactive effects of elevated temperature and Photobacterium swingsii infection on the survival and immune response of marine mussels (Perna canaliculus): A summer mortality scenario. Mar Environ Res 2024; 196:106392. [PMID: 38364448 DOI: 10.1016/j.marenvres.2024.106392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 02/18/2024]
Abstract
The New Zealand Greenshell™ mussel (Perna canaliculus) is an economically important aquaculture species. Prolonged increases in seawater temperature above mussel thermotolerance ranges pose a significant threat to mussel survival and health, potentially increasing susceptibility to bacterial infections. Using challenge experiments, this study examined the combined effects of increased seawater temperature and bacterial (Photobacterium swingsii) infection on animal survival, haemocyte and biochemical responses of adult mussels. Mussels maintained at three temperatures (16, 20 and 24 °C) for seven days were either not injected (control), injected with sterile marine broth (injection control) or P. swingsii (challenged with medium and high doses) and monitored daily for five days. Haemolymph and tissue samples were collected at 24, 48, 72, 96, 120 h post-challenge and analysed to quantify bacterial colonies, haemocyte responses and biochemical responses. Mussels infected with P. swingsii exhibited mortalities at 20 and 24 °C, likely due to a compromised immune system, but no mortalities were observed when temperature was the only stressor. Bacterial colony counts in haemolymph decreased over time, suggesting bacterial clearance followed by the activation of immune signalling pathways. Total haemocyte counts and viability data supports haemocyte defence functions being stimulated in the presence of high pathogen loads at 24 °C. In the gill tissue, oxidative stress responses, measured as total antioxidant capacity and malondialdehyde (MDA) levels, were higher in infected mussels (compared to the controls) after 24h and 120h post-challenge at the lowest (16 °C) and highest temperatures (24 °C), indicating the presence of oxidative stress due to temperature and pathogen stressors. Overall, this work confirms that Photobacterium swingsii is pathogenic to P. canaliculus and indicates that mussels may be more vulnerable to bacterial pathogens under conditions of elevated temperature, such as those predicted under future climate change scenarios.
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Affiliation(s)
- Awanis Azizan
- Aquaculture Biotechnology Research Group, Department of Environmental Sciences, School of Science, Auckland University of Technology, Private Bag 92006, Auckland, 1142, New Zealand
| | - Leonie Venter
- Aquaculture Biotechnology Research Group, Department of Environmental Sciences, School of Science, Auckland University of Technology, Private Bag 92006, Auckland, 1142, New Zealand
| | - Jingjing Zhang
- Aquaculture Biotechnology Research Group, Department of Environmental Sciences, School of Science, Auckland University of Technology, Private Bag 92006, Auckland, 1142, New Zealand; The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland, 1142, New Zealand
| | - Tim Young
- Aquaculture Biotechnology Research Group, Department of Environmental Sciences, School of Science, Auckland University of Technology, Private Bag 92006, Auckland, 1142, New Zealand; Centre for Biomedical & Chemical Sciences, School of Science, Auckland University of Technology, Auckland, New Zealand
| | | | | | - Norman L C Ragg
- Cawthron Institute, Private Bag 2, Nelson, 7042, New Zealand
| | - Andrea C Alfaro
- Aquaculture Biotechnology Research Group, Department of Environmental Sciences, School of Science, Auckland University of Technology, Private Bag 92006, Auckland, 1142, New Zealand.
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Lopez-Moreno A, Cerk K, Rodrigo L, Suarez A, Aguilera M, Ruiz-Rodriguez A. Bisphenol A exposure affects specific gut taxa and drives microbiota dynamics in childhood obesity. mSystems 2024; 9:e0095723. [PMID: 38426791 PMCID: PMC10949422 DOI: 10.1128/msystems.00957-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 01/15/2024] [Indexed: 03/02/2024] Open
Abstract
Cumulative xenobiotic exposure has an environmental and human health impact which is currently assessed under the One Health approach. Bisphenol A (BPA) exposure and its potential link with childhood obesity that has parallelly increased during the last decades deserve special attention. It stands during prenatal or early life and could trigger comorbidities and non-communicable diseases along life. Accumulation in the nature of synthetic chemicals supports the "environmental obesogen" hypothesis, such as BPA. This estrogen-mimicking xenobiotic has shown endocrine disruptive and obesogenic effects accompanied by gut microbiota misbalance that is not yet well elucidated. This study aimed to investigate specific microbiota taxa isolated and selected by direct BPA exposure and reveal its role on the overall children microbiota community and dynamics, driving toward specific obesity dysbiosis. A total of 333 BPA-resistant isolated species obtained through culturing after several exposure conditions were evaluated for their role and interplay with the global microbial community. The selected BPA-cultured taxa biomarkers showed a significant impact on alpha diversity. Specifically, Clostridium and Romboutsia were positively associated promoting the richness of microbiota communities, while Intestinibacter, Escherichia-Shigella, Bifidobacterium, and Lactobacillus were negatively associated. Microbial community dynamics and networks analyses showed differences according to the study groups. The normal-weight children group exhibited a more enriched, structured, and connected taxa network compared to overweight and obese groups, which could represent a more resilient community to xenobiotic substances. In this sense, subnetwork analysis generated with the BPA-cultured genera showed a correlation between taxa connectivity and more diverse potential enzymatic BPA degradation capacities.IMPORTANCEOur findings indicate how gut microbiota taxa with the capacity to grow in BPA were differentially represented within differential body mass index children study groups and how these taxa affected the overall dynamics toward patterns of diversity generally recognized in dysbiosis. Community network and subnetwork analyses corroborated the better connectedness and stability profiles for normal-weight group compared to the overweight and obese groups.
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Affiliation(s)
- Ana Lopez-Moreno
- Department of Microbiology, Faculty of Pharmacy, University of Granada, Campus of Cartuja, Granada, Spain
- Institute of Nutrition and Food Technology "José Mataix" (INYTA), Centre of Biomedical Research, University of Granada, Granada, Spain
- />Instituto de Investigación Biosanitaria ibs, Granada, Spain
| | - Klara Cerk
- Quadram Institute Bioscience, Rosalind Franklin Road, Norwich Research Park, Norwich, United Kingdom
| | - Lourdes Rodrigo
- Institute of Nutrition and Food Technology "José Mataix" (INYTA), Centre of Biomedical Research, University of Granada, Granada, Spain
| | - Antonio Suarez
- Institute of Nutrition and Food Technology "José Mataix" (INYTA), Centre of Biomedical Research, University of Granada, Granada, Spain
- Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, Campus of Cartuja, University of Granada, Granada, Spain
| | - Margarita Aguilera
- Department of Microbiology, Faculty of Pharmacy, University of Granada, Campus of Cartuja, Granada, Spain
- Institute of Nutrition and Food Technology "José Mataix" (INYTA), Centre of Biomedical Research, University of Granada, Granada, Spain
- />Instituto de Investigación Biosanitaria ibs, Granada, Spain
| | - Alicia Ruiz-Rodriguez
- Department of Microbiology, Faculty of Pharmacy, University of Granada, Campus of Cartuja, Granada, Spain
- Institute of Nutrition and Food Technology "José Mataix" (INYTA), Centre of Biomedical Research, University of Granada, Granada, Spain
- Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, Campus of Cartuja, University of Granada, Granada, Spain
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Ho TH, Tran HTQ, Liu CH, Lee MC, Wangkahart E, Wu YC, Lin YL, Lee PT. Establishment of a cobia (Rachycentron canadum) gill cell line: A valuable tool for immune response studies. Fish Shellfish Immunol 2024; 148:109514. [PMID: 38493986 DOI: 10.1016/j.fsi.2024.109514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 03/11/2024] [Accepted: 03/15/2024] [Indexed: 03/19/2024]
Abstract
Cobia (Rachycentron canadum), a commercially important marine fish, has been used to develop a novel gill cell line, designated CG, for the first time. The CG cell line was cultured in Leibovitz's-15 medium with 5% fetal bovine serum (FBS) and successfully sub-cultured more than 110 passages. It underwent verification through sequencing of the mitochondrial cytochrome C oxidase subunit I (COI) gene. Optimal growth rate was achieved when the CG cell line was cultured in a medium supplemented with 5% FBS, 1% Penicillin-Streptomycin (P/S), and 5 parts per thousand (ppt) of coral sea salt water, maintained at a temperature of 27 °C. The addition of 5 ppt of salt in the growth medium suggests that this cell line could be a viable in vitro tool for marine ecosystem toxicological studies or for culturing marine parasitic microorganisms. The CG cell line was also successfully transfected using the pTurbo-GFP plasmids, showing an 18% efficiency, with observable GFP expression. Furthermore, the cell line has been effectively cryopreserved. Gene expression analysis indicated that the CG cell line exhibits responsive regulation of immune gene expression when exposured to various stimulants, highlighting its potential as an in vitro platform for immune response studies. This makes it suitable for exploring dynamic immune signaling pathways and host-pathogen interactions, thereby offering valuable insights for therapeutic development.
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Affiliation(s)
- Thi Hang Ho
- Department of Aquaculture, National Taiwan Ocean University, Keelung City, Taiwan
| | | | - Chun-Hung Liu
- Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung, Taiwan
| | - Meng-Chou Lee
- Department of Aquaculture, National Taiwan Ocean University, Keelung City, Taiwan
| | - Eakapol Wangkahart
- Laboratory of Fish Immunology and Nutrigenomics, Applied Animal and Aquatic Sciences Research Unit, Division of Fisheries, Faculty of Technology Mahasarakham University, Khamriang Sub-District, Kantarawichai, Mahasarakham, Thailand
| | - Yu-Ching Wu
- Department of Medical Research, National Taiwan University Hospital, Taipei City, Taiwan
| | - Yu-Lin Lin
- Department of Aquaculture, National Taiwan Ocean University, Keelung City, Taiwan
| | - Po-Tsang Lee
- Department of Aquaculture, National Taiwan Ocean University, Keelung City, Taiwan.
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Wei Z, Zhao L, Wang S, Chang L, Shi J, Kong X, Li M, Lin J, Zhang W, Bao Z, Ding W, Hu X. Paralytic shellfish toxins producing dinoflagellates cause dysbacteriosis in scallop gut microbial biofilms. Ecotoxicol Environ Saf 2024; 273:116146. [PMID: 38412634 DOI: 10.1016/j.ecoenv.2024.116146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 02/05/2024] [Accepted: 02/22/2024] [Indexed: 02/29/2024]
Abstract
Filter-feeding bivalves could accumulate paralytic shellfish toxins (PSTs) produced by harmful dinoflagellates through diet. Despite that bivalves are resistant to these neurotoxins due to possessing PST-resistant sodium channel, exposure to PSTs-producing dinoflagellates impair bivalve survival. We hypothesized that ingesting PSTs-producing dinoflagellates may influence the gut microbiota, and then the health of bivalves. To test this idea, we compared the gut microbiota of the scallop Patinopecten yessoensis, after feeding with PST-producing or non-toxic dinoflagellates. Exposure to PSTs-producing dinoflagellates resulted in a decline of gut microbial diversity and a disturbance of community structure, accompanied by a significant increase in the abundance and richness of pathogenic bacteria, represented by Vibrio. Moreover, network analysis demonstrated extensive positive correlations between pathogenic bacteria abundances and PSTs concentrations in the digestive glands of the scallops. Furthermore, isolation of a dominant Vibrio strain and its genomic analysis revealed a variety of virulence factors, including the tolC outer membrane exporter, which were expressed in the gut microbiota. Finally, the infection experiment demonstrated scallop mortality caused by the isolated Vibrio strain; further, the pathogenicity of this Vibrio strain was attenuated by a mutation in the tolC gene. Together, these findings demonstrated that the PSTs may affect gut microbiota via direct and taxa-specific interactions with opportunistic pathogens, which proliferate after transition from seawater to the gut environment. The present study has revealed novel mechanisms towards deciphering the puzzles in environmental disturbances-caused death of an important aquaculture species.
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Affiliation(s)
- Zhongcheng Wei
- MOE Key Laboratory of Marine Genetics and Breeding, Ocean University of China, Qingdao, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Liang Zhao
- Liaoning Ocean and Fisheries Science Research Institute, Dalian, Liaoning, China
| | - Shuaitao Wang
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, China
| | - Lirong Chang
- Weihai Changqing Ocean Science & Technology Co. Ltd, Rongcheng, China
| | - Jiaoxia Shi
- MOE Key Laboratory of Marine Genetics and Breeding, Ocean University of China, Qingdao, China
| | - Xiangfu Kong
- MOE Key Laboratory of Marine Genetics and Breeding, Ocean University of China, Qingdao, China
| | - Moli Li
- MOE Key Laboratory of Marine Genetics and Breeding, Ocean University of China, Qingdao, China
| | - Jinshui Lin
- Shaanxi Key Laboratory of Chinese Jujube, College of Life Sciences, Yanan University, Yanan, China
| | - Weipeng Zhang
- Liaoning Ocean and Fisheries Science Research Institute, Dalian, Liaoning, China
| | - Zhenmin Bao
- MOE Key Laboratory of Marine Genetics and Breeding, Ocean University of China, Qingdao, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China; Key Laboratory of Tropical Aquatic Germplasm of Hainan Province, Sanya Oceanographic Institution, Ocean University of China, Sanya, China
| | - Wei Ding
- MOE Key Laboratory of Marine Genetics and Breeding, Ocean University of China, Qingdao, China.
| | - Xiaoli Hu
- MOE Key Laboratory of Marine Genetics and Breeding, Ocean University of China, Qingdao, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
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Zhong KX, Chan AM, Collicutt B, Daspe M, Finke JF, Foss M, Green TJ, Harley CDG, Hesketh AV, Miller KM, Otto SP, Rolheiser K, Saunders R, Sutherland BJG, Suttle CA. The prokaryotic and eukaryotic microbiome of Pacific oyster spat is shaped by ocean warming but not acidification. Appl Environ Microbiol 2024:e0005224. [PMID: 38466091 DOI: 10.1128/aem.00052-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 02/18/2024] [Indexed: 03/12/2024] Open
Abstract
Pacific oysters (Magallana gigas, a.k.a. Crassostrea gigas), the most widely farmed oysters, are under threat from climate change and emerging pathogens. In part, their resilience may be affected by their microbiome, which, in turn, may be influenced by ocean warming and acidification. To understand these impacts, we exposed early-development Pacific oyster spat to different temperatures (18°C and 24°C) and pCO2 levels (800, 1,600, and 2,800 µatm) in a fully crossed design for 3 weeks. Under all conditions, the microbiome changed over time, with a large decrease in the relative abundance of potentially pathogenic ciliates (Uronema marinum) in all treatments with time. The microbiome composition differed significantly with temperature, but not acidification, indicating that Pacific oyster spat microbiomes can be altered by ocean warming but is resilient to ocean acidification in our experiments. Microbial taxa differed in relative abundance with temperature, implying different adaptive strategies and ecological specializations among microorganisms. Additionally, a small proportion (~0.2% of the total taxa) of the relatively abundant microbial taxa were core constituents (>50% occurrence among samples) across different temperatures, pCO2 levels, or time. Some taxa, including A4b bacteria and members of the family Saprospiraceae in the phyla Chloroflexi (syn. Chloroflexota) and Bacteroidetes (syn. Bacteroidota), respectively, as well as protists in the genera Labyrinthula and Aplanochytrium in the class Labyrinthulomycetes, and Pseudoperkinsus tapetis in the class Ichthyosporea were core constituents across temperatures, pCO2 levels, and time, suggesting that they play an important, albeit unknown, role in maintaining the structural and functional stability of the Pacific oyster spat microbiome in response to ocean warming and acidification. These findings highlight the flexibility of the spat microbiome to environmental changes.IMPORTANCEPacific oysters are the most economically important and widely farmed species of oyster, and their production depends on healthy oyster spat. In turn, spat health and productivity are affected by the associated microbiota; yet, studies have not scrutinized the effects of temperature and pCO2 on the prokaryotic and eukaryotic microbiomes of spat. Here, we show that both the prokaryotic and, for the first time, eukaryotic microbiome of Pacific oyster spat are surprisingly resilient to changes in acidification, but sensitive to ocean warming. The findings have potential implications for oyster survival amid climate change and underscore the need to understand temperature and pCO2 effects on the microbiome and the cascading effects on oyster health and productivity.
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Affiliation(s)
- Kevin Xu Zhong
- Department of Earth, Ocean, and Atmospheric Sciences, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Amy M Chan
- Department of Earth, Ocean, and Atmospheric Sciences, The University of British Columbia, Vancouver, British Columbia, Canada
| | | | - Maxim Daspe
- Department of Earth, Ocean, and Atmospheric Sciences, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Jan F Finke
- Department of Earth, Ocean, and Atmospheric Sciences, The University of British Columbia, Vancouver, British Columbia, Canada
- Hakai Institute, Heriot Bay, British Columbia, Canada
| | - Megan Foss
- Hakai Institute, Heriot Bay, British Columbia, Canada
| | - Timothy J Green
- Centre for Shellfish Research, Vancouver Island University, Nanaimo, British Columbia, Canada
- Department of Fisheries and Aquaculture, Vancouver Island University, Nanaimo, British Columbia, Canada
| | - Christopher D G Harley
- Department of Zoology, The University of British Columbia, Vancouver, British Columbia, Canada
- Institute for the Oceans and Fisheries, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Amelia V Hesketh
- Department of Zoology, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Kristina M Miller
- Pacific Biological Station, Fisheries and Oceans Canada, Nanaimo, British Columbia, Canada
| | - Sarah P Otto
- Department of Zoology, The University of British Columbia, Vancouver, British Columbia, Canada
| | | | | | - Ben J G Sutherland
- Pacific Biological Station, Fisheries and Oceans Canada, Nanaimo, British Columbia, Canada
| | - Curtis A Suttle
- Department of Earth, Ocean, and Atmospheric Sciences, The University of British Columbia, Vancouver, British Columbia, Canada
- Institute for the Oceans and Fisheries, The University of British Columbia, Vancouver, British Columbia, Canada
- Department of Microbiology and Immunology, The University of British Columbia, Vancouver, British Columbia, Canada
- Department of Botany, The University of British Columbia, Vancouver, British Columbia, Canada
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8
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Singh S, Sharma P, Pal N, Sarma DK, Tiwari R, Kumar M. Holistic One Health Surveillance Framework: Synergizing Environmental, Animal, and Human Determinants for Enhanced Infectious Disease Management. ACS Infect Dis 2024; 10:808-826. [PMID: 38415654 DOI: 10.1021/acsinfecdis.3c00625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
Recent pandemics, including the COVID-19 outbreak, have brought up growing concerns about transmission of zoonotic diseases from animals to humans. This highlights the requirement for a novel approach to discern and address the escalating health threats. The One Health paradigm has been developed as a responsive strategy to confront forthcoming outbreaks through early warning, highlighting the interconnectedness of humans, animals, and their environment. The system employs several innovative methods such as the use of advanced technology, global collaboration, and data-driven decision-making to come up with an extraordinary solution for improving worldwide disease responses. This Review deliberates environmental, animal, and human factors that influence disease risk, analyzes the challenges and advantages inherent in using the One Health surveillance system, and demonstrates how these can be empowered by Big Data and Artificial Intelligence. The Holistic One Health Surveillance Framework presented herein holds the potential to revolutionize our capacity to monitor, understand, and mitigate the impact of infectious diseases on global populations.
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Affiliation(s)
- Samradhi Singh
- ICMR - National Institute for Research in Environmental Health, Bhopal Bypass Road, Bhouri, Bhopal-462030, Madhya Pradesh, India
| | - Poonam Sharma
- ICMR - National Institute for Research in Environmental Health, Bhopal Bypass Road, Bhouri, Bhopal-462030, Madhya Pradesh, India
| | - Namrata Pal
- ICMR - National Institute for Research in Environmental Health, Bhopal Bypass Road, Bhouri, Bhopal-462030, Madhya Pradesh, India
| | - Devojit Kumar Sarma
- ICMR - National Institute for Research in Environmental Health, Bhopal Bypass Road, Bhouri, Bhopal-462030, Madhya Pradesh, India
| | - Rajnarayan Tiwari
- ICMR - National Institute for Research in Environmental Health, Bhopal Bypass Road, Bhouri, Bhopal-462030, Madhya Pradesh, India
| | - Manoj Kumar
- ICMR - National Institute for Research in Environmental Health, Bhopal Bypass Road, Bhouri, Bhopal-462030, Madhya Pradesh, India
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Lanz-Mendoza H, Gálvez D, Contreras-Garduño J. The plasticity of immune memory in invertebrates. J Exp Biol 2024; 227:jeb246158. [PMID: 38449328 DOI: 10.1242/jeb.246158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Whether specific immune protection after initial pathogen exposure (immune memory) occurs in invertebrates has long been uncertain. The absence of antibodies, B-cells and T-cells, and the short lifespans of invertebrates led to the hypothesis that immune memory does not occur in these organisms. However, research in the past two decades has supported the existence of immune memory in several invertebrate groups, including Ctenophora, Cnidaria, Nematoda, Mollusca and Arthropoda. Interestingly, some studies have demonstrated immune memory that is specific to the parasite strain. Nonetheless, other work does not provide support for immune memory in invertebrates or offers only partial support. Moreover, the expected biphasic immune response, a characteristic of adaptive immune memory in vertebrates, varies within and between invertebrate species. This variation may be attributed to the influence of biotic or abiotic factors, particularly parasites, on the outcome of immune memory. Despite its critical importance for survival, the role of phenotypic plasticity in immune memory has not been systematically examined in the past two decades. Additionally, the features of immune responses occurring in diverse environments have yet to be fully characterized.
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Affiliation(s)
- Humberto Lanz-Mendoza
- Centro de Investigaciones sobre Enfermedades Infecciosas, INSP, 62100 Cuernavaca, Morelos, Mexico
| | - Dumas Gálvez
- Coiba Scientific Station, City of Knowledge, Calle Gustavo Lara, Boulevard 145B, Clayton 0843-01853, Panama
- Programa Centroamericano de Maestría en Entomología, Universidad de Panamá, Estafeta universitaria, Avenida Simón Bolívar, 0824, Panama
- Sistema Nacional de Investigación, Edificio 205, Ciudad del Saber, 0816-02852, Panama
| | - Jorge Contreras-Garduño
- Escuela Nacional de Estudios Superiores, Unidad Morelia, UNAM, 58190 Morelia, Mexico
- Institute for Evolution and Biodiversity, University of Münster, 48149 Münster, Germany
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10
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Palamae S, Temdee W, Saetang J, Patil U, Suyapoh W, Yingkajorn M, Fan X, Zhang B, Benjakul S. Impact of high-pressure processing on hemolymph, color, lipid globular structure and oxidation of the edible portion of blood clams. Food Chem 2024; 447:138948. [PMID: 38513490 DOI: 10.1016/j.foodchem.2024.138948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/21/2024] [Accepted: 03/03/2024] [Indexed: 03/23/2024]
Abstract
Impact of high-pressure processing (HP-P) on hemolymph and lipid globular structures of the edible portion (EP) of blood clams (BC) was investigated. HP-P above 400 MPa decreased heme iron content, while upsurged non-heme iron content. Increasing pressure induced gaps and abnormal hemocyte cell arrangements. However, HP-P at 300 MPa improved and maintained total hemocyte counts, the heme iron content, and a*-value in BC-EP. For lipid globular structures, the mean diameter drastically decreased when an HP-P pressure of 600 MPa was employed. HP-P at higher pressure induced lipid oxidation, along with decreases in monounsaturated and polyunsaturated fatty acids as well as increases in thiobarbituric acid reactive substances and peroxide value. FTIR spectra displayed a reduction in phosphate groups and cis double bonds in lipids from HP-P treated BC, compared to controls. Therefore, HP-P at 300 MPa is recommended for preparing ready-to-cook BC with less tissue damage and lipid oxidation.
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Affiliation(s)
- Suriya Palamae
- International Center of Excellence in Seafood Science and Innovation, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Wattana Temdee
- International Center of Excellence in Seafood Science and Innovation, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Jirakrit Saetang
- International Center of Excellence in Seafood Science and Innovation, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Umesh Patil
- International Center of Excellence in Seafood Science and Innovation, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Watcharapol Suyapoh
- Veterinary Pathology Unit, Department of Veterinary Science, Faculty of Veterinary Science, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Mingkwan Yingkajorn
- Department of Pathology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Xinru Fan
- College of Food Science and Engineering, Dalian Ocean University, Dalian 116023, China
| | - Bin Zhang
- Key Laboratory of Health Risk Factors for Seafood of Zhejiang Province, College of Food Science and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China
| | - Soottawat Benjakul
- International Center of Excellence in Seafood Science and Innovation, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; Department of Food and Nutrition, Kyung Hee University, Seoul 02447, Republic of Korea.
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11
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Kim MS, Lee YH, Lee Y, Jeong H, Wang M, Wang DZ, Lee JS. Multigenerational effects of elevated temperature on host-microbiota interactions in the marine water flea Diaphanosoma celebensis exposed to micro- and nanoplastics. J Hazard Mater 2024; 465:132877. [PMID: 38016313 DOI: 10.1016/j.jhazmat.2023.132877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/09/2023] [Accepted: 10/26/2023] [Indexed: 11/30/2023]
Abstract
Rising ocean temperatures are driving unprecedented changes in global marine ecosystems. Meanwhile, there is growing concern about microplastic and nanoplastic (MNP) contamination, which can endanger marine organisms. Increasing ocean warming (OW) and plastic pollution inevitably cause marine organisms to interact with MNPs, but relevant studies remain sparse. Here, we investigated the interplay between ocean warming and MNP in the marine water flea Diaphanosoma celebensis. We found that combined exposure to MNPs and OW induced reproductive failure in the F2 generation. In particular, the combined effects of OW and MNPs on the F2 generation were associated with key genes related to reproduction and stress response. Moreover, populations of predatory bacteria were significantly larger under OW and MNP conditions during F2 generations, suggesting a potential link between altered microbiota and host fitness. These results were supported by a host transcriptome and microbiota interaction analysis. This research sheds light on the complex interplay between environmental stressors, their multigenerational effects on marine organisms, and the function of the microbiome.
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Affiliation(s)
- Min-Sub Kim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Young Hwan Lee
- Department of Marine Ecology and Environment, College of Life Sciences, Gangneung-Wonju National University, Gangneung 25457, South Korea
| | - Yoseop Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Haksoo Jeong
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Minghua Wang
- Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies/College of the Environment & Ecology, Xiamen University, Xiamen 361102, China
| | - Da-Zhi Wang
- State Key Laboratory of Marine Environmental Science/College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
| | - Jae-Seong Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
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12
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M A E, K K, N F, E D, M R, A F, S R, A L, K, H B, A J, E J. An assessment and characterization of pharmaceuticals and personal care products (PPCPs) within the Great Lakes Basin: Mussel Watch Program (2013-2018). Environ Monit Assess 2024; 196:345. [PMID: 38438687 PMCID: PMC10912168 DOI: 10.1007/s10661-023-12119-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 11/08/2023] [Indexed: 03/06/2024]
Abstract
Defining the environmental occurrence and distribution of chemicals of emerging concern (CECs), including pharmaceuticals and personal care products (PPCPs) in coastal aquatic systems, is often difficult and complex. In this study, 70 compounds representing several classes of pharmaceuticals, including antibiotics, anti-inflammatories, insect repellant, antibacterial, antidepressants, chemotherapy drugs, and X-ray contrast media compounds, were found in dreissenid mussel (zebra/quagga; Dreissena spp.) tissue samples. Overall concentration and detection frequencies varied significantly among sampling locations, site land-use categories, and sites sampled proximate and downstream of point source discharge. Verapamil, triclocarban, etoposide, citalopram, diphenhydramine, sertraline, amitriptyline, and DEET (N,N-diethyl-meta-toluamide) comprised the most ubiquitous PPCPs (> 50%) detected in dreissenid mussels. Among those compounds quantified in mussel tissue, sertraline, metformin, methylprednisolone, hydrocortisone, 1,7-dimethylxanthine, theophylline, zidovudine, prednisone, clonidine, 2-hydroxy-ibuprofen, iopamidol, and melphalan were detected at concentrations up to 475 ng/g (wet weight). Antihypertensives, antibiotics, and antidepressants accounted for the majority of the compounds quantified in mussel tissue. The results showed that PPCPs quantified in dreissenid mussels are occurring as complex mixtures, with 4 to 28 compounds detected at one or more sampling locations. The magnitude and composition of PPCPs detected were highest for sites not influenced by either WWTP or CSO discharge (i.e., non-WWTPs), strongly supporting non-point sources as important drivers and pathways for PPCPs detected in this study. As these compounds are detected at inshore and offshore locations, the findings of this study indicate that their persistence and potential risks are largely unknown, thus warranting further assessment and prioritization of these emerging contaminants in the Great Lakes Basin.
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Affiliation(s)
- Edwards M A
- Monitoring and Assessment Branch, NOAA/NOS/NCCOS, 1305 East/West Highway, Silver Spring, MD, 20910, USA.
| | - Kimbrough K
- Monitoring and Assessment Branch, NOAA/NOS/NCCOS, 1305 East/West Highway, Silver Spring, MD, 20910, USA
| | - Fuller N
- CSS-Inc., Under NOAA National Centers for Coastal Ocean Science Contract No, EA133C17BA0062 & EA133C17BA0049, Fairfax, VA, USA
| | - Davenport E
- Monitoring and Assessment Branch, NOAA/NOS/NCCOS, 1305 East/West Highway, Silver Spring, MD, 20910, USA
| | - Rider M
- CSS-Inc., Under NOAA National Centers for Coastal Ocean Science Contract No, EA133C17BA0062 & EA133C17BA0049, Fairfax, VA, USA
| | - Freitag A
- Monitoring and Assessment Branch, NOAA/NOS/NCCOS, 1305 East/West Highway, Silver Spring, MD, 20910, USA
| | - Regan S
- CSS-Inc., Under NOAA National Centers for Coastal Ocean Science Contract No, EA133C17BA0062 & EA133C17BA0049, Fairfax, VA, USA
| | | | - K
- Monitoring and Assessment Branch, NOAA/NOS/NCCOS, 1305 East/West Highway, Silver Spring, MD, 20910, USA
| | - Burkart H
- CSS-Inc., Under NOAA National Centers for Coastal Ocean Science Contract No, EA133C17BA0062 & EA133C17BA0049, Fairfax, VA, USA
| | - Jacob A
- CSS-Inc., Under NOAA National Centers for Coastal Ocean Science Contract No, EA133C17BA0062 & EA133C17BA0049, Fairfax, VA, USA
| | - Johnson E
- Monitoring and Assessment Branch, NOAA/NOS/NCCOS, 1305 East/West Highway, Silver Spring, MD, 20910, USA
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13
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Shi X, Shen Z, Shao B, Shen J, Wu Y, Wang S. Antibiotic resistance genes profile in the surface sediments of typical aquaculture areas across 15 major lakes in China. Environ Pollut 2024; 347:123709. [PMID: 38447655 DOI: 10.1016/j.envpol.2024.123709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 02/28/2024] [Accepted: 03/02/2024] [Indexed: 03/08/2024]
Abstract
Aquatic farming is considered as a major source of antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARGs) for the natural environment of the lakes. ARB and ARGs in the natural environment have increased quickly because of the human activities. Here, we have profiled the diversity and abundance of ARGs in sediments from the typical aquaculture areas around 15 major lakes in China using PCR and qPCR, and further assessed the risk factor shaping the occurrence and distribution of ARGs. And class 1, 2 and 3 integrons were initially detected by PCR with specific primers. ARGs were widely distributed in the lakes: Weishan Lake and Poyang Lake showed high diversity of ARGs, followed by Dongting Lake, Chao Lake and Tai Lake. Generally, the ARGs in the Middle-Lower Yangtze Plain were more abundant than those in the Qinghai-Tibet Plateau. Tetracycline resistance genes (tet(C), tet(A) & tet(M)) were prominent in sediments, and the next was AmpC β-lactamase gene group BIL/LAT/CMY, and the last was the genes resistance to aminoglycoside (strA-strB). Partial least squares path modeling analysis (PLS-PMA) revealed that livestock had a significant direct effect on the distribution of ARGs in lakes, and population might indirectly influence the profiles of ARGs by affecting the scale of livestock and aquaculture. The detectable rate of class 1, 2 and 3 integrons were 80%, 100% and 46.67%, respectively. The prevalence of integrons might play a key role in promoting more frequent horizontal gene transfer (HGT) events, resulting in the environmental mobilization and dissemination of ARGs between bacteria.
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Affiliation(s)
- Xiaomin Shi
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China; Beijing Key Laboratory of Traditional Chinese Veterinary Medicine, Animal Science and Technology College, Beijing University of Agriculture, Beijing 102206, China
| | - Zhangqi Shen
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Bing Shao
- Beijing Centers for Disease Control and Preventative Medical Research, Beijing, 100013, China
| | - Jianzhong Shen
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Yongning Wu
- Research Unit of Food Safety (2019RU014), Chinese Academy of Medical Sciences, NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing, 100021, China
| | - Shaolin Wang
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China.
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14
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Yao T, Ye L, Wang S, Lu J, Li H, Yu G. Effects of cadmium exposure on gut microbiota and antibiotic resistance genes in Haliotis diversicolor abalone. Chemosphere 2024; 352:141507. [PMID: 38387663 DOI: 10.1016/j.chemosphere.2024.141507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 12/03/2023] [Accepted: 02/19/2024] [Indexed: 02/24/2024]
Abstract
Heavy metals in soil, water, and industrial production can affect the antibiotic resistance of bacteria. Antibiotic resistance in gut microbiota has been extensively researched. The effects of cadmium (Cd) was investigated on the gut microbiota and antibiotic resistance genes (ARGs) of Haliotis diversicolor, a commercially important abalone species. By exposing H. diversicolor to four concentrations of Cd (0 μg L-1 (control), 6.5 μg L-1 (low), 42.25 μg L-1 (medium), and 274.63 μg L-1 (high)) for 30 and 60 days, 16 types of ARG (aadA-01, aadA-02, cfr, dfrA1, ermB, floR, folA, mecA, sul2, tetB-01, tetC-01, tetD-01, tetG-01, tetM-02, tetQ, vanC-01), and 1213 genus and 27 phylum microbiomes were detected. ARGs can be resistant to aminoglycoside, beta-lactamase, macrolide-lincosamide-streptogramin B, multidrug, florfenicol, macrolide, sulfonamides, tetracyclines, and vancomycin. Cadmium exposure significantly alters the abundance of tetC-01, tetB-01, tetQ, sul2, and aadA-01. About 5% (61) of genus-level microorganisms were significantly affected by Cd exposure. Microbiota alpha and beta diversities in the 60-day 42.25 μg L-1 Cd treatment differed significantly from those in other treatments. In addition, 26 pathogens were detected, and two pathogens (Vibrio and Legionella) were significantly affected by Cd exposure. Significant correlations between pathogens and ARGs increased with increased Cd concentration after 60 days of Cd exposure. Cadmium exposure may cause gut microbiota disturbance in H. diversicolor and increase the likelihood of ARG transfer to pathogens, increasing potential ecological and economic risks.
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Affiliation(s)
- Tuo Yao
- Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China; Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Research Center of Hydrobiology, Jinan University, Guangzhou, China
| | - Lingtong Ye
- Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China.
| | - Sijie Wang
- School of Public Health, Lanzhou University, Lanzhou, China
| | - Jie Lu
- Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
| | - Huan Li
- School of Public Health, Lanzhou University, Lanzhou, China
| | - Gang Yu
- Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, China
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15
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Ben Cheikh Y, Massol F, Giusti-Petrucciani N, Travers MA. Impact of epizootics on mussel farms: Insights into microbiota composition of Mytilus species. Microbiol Res 2024; 280:127593. [PMID: 38184970 DOI: 10.1016/j.micres.2023.127593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 12/05/2023] [Accepted: 12/21/2023] [Indexed: 01/09/2024]
Abstract
Outbreaks of marine mussel mortality on French farms could have different aetiologies. One of them implies Vibrio splendidus strains. Beyond the involvement of this pathogen, there is considerable evidence that diseases often result from interactions between several microbes and the host. In this study, we explored the bacterial communities associated with mussel species and the surrounding water collected from a mussel farm affected by mortalities. The microbiota of Mytilus edulis, Mytilus galloprovincialis and their hybrids displayed an abnormal abundance of Proteobacteria, in particular the genera Vibrio, Cobetia and Arcobacter. Despite the dysbiosis, the Mediterranean mussel showed a different microbiota profile with a higher richness and presence of the phylum Bacteroidetes. Bipartite network analyses at the level of bacteria families confirmed this finding and showed that the microbiomes of M. edulis and the hybrids tended to cluster together. In addition, injection of mussels with the virulent V. splendidus induced less mortality rate in M. galloprovincialis compared to the other Mytilus sp. suggesting a better resistance of the Mediterranean mussel to infection. Our findings point to a probable aetiology of pathobiome-mediated disease in mussels. To fully understand this phenomenon, more knowledge is needed on the roles of pathobiotic systems and their development during disease establishment.
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Affiliation(s)
- Yosra Ben Cheikh
- UMR-I 02 Environmental Stresses and Biomonitoring of Aquatic Ecosystems (SEBIO), Université Le Havre Normandie, Cedex 76063 Le Havre, France.
| | - François Massol
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 9017 - CIIL - Center for Infection and Immunity of Lille, F-59000 Lille, France
| | - Nathalie Giusti-Petrucciani
- UMR-I 02 Environmental Stresses and Biomonitoring of Aquatic Ecosystems (SEBIO), Université Le Havre Normandie, Cedex 76063 Le Havre, France
| | - Marie-Agnès Travers
- IHPE, Université de Montpellier, CNRS, Ifremer, Université de Perpignan Via Domitia, F-34090 Montpellier, France
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16
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Sousa-Guedes D, Bessa F, Queiruga A, Teixeira L, Reis V, Gonçalves JA, Marco A, Sillero N. Lost and found: Patterns of marine litter accumulation on the remote Island of Santa Luzia, Cabo Verde. Environ Pollut 2024; 344:123338. [PMID: 38218543 DOI: 10.1016/j.envpol.2024.123338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/21/2023] [Accepted: 01/09/2024] [Indexed: 01/15/2024]
Abstract
Santa Luzia, an uninhabited island in the archipelago of Cabo Verde, serves as a natural laboratory and important nesting site for loggerhead turtles Carettacaretta. The island constitutes an Integral Natural Reserve and a Marine Protected Area. We assessed marine litter accumulation on sandy beaches of the island and analysed their spatial patterns using two sampling methods: at a fine scale, sand samples from 1 × 1 m squares were collected, identifying debris larger than 1 mm; at a coarse scale, drone surveys were conducted to identify visible marine debris (>25 mm) in aerial images. We sampled six points on three beaches of the island: Achados (three points), Francisca (two points) and Palmo Tostão (one point). Then, we modelled the abundance of marine debris using topographical variables as explanatory factors, derived from digital surface models (DSM). Our findings reveal that the island is a significant repository for marine litter (>84% composed of plastics), with up to 917 plastic items per m2 in the sand samples and a maximum of 38 macro-debris items per m2 in the drone surveys. Plastic fragments dominate, followed by plastic pellets (at the fine-scale approach) and fishing materials (at the coarse-scale approach). We observed that north-facing, higher-elevation beaches accumulate more large marine litter, while slope and elevation affect their spatial distribution within the beach. Achados Beach faces severe marine debris pollution challenges, and the upcoming climate changes could exacerbate this problem.
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Affiliation(s)
- Diana Sousa-Guedes
- Centro de Investigação em Ciências Geo-Espaciais (CICGE), Faculdade de Ciências da Universidade do Porto, Alameda do Monte da Virgem, 4430-146 Vila Nova de Gaia, Portugal; University of Coimbra, MARE - Marine and Environmental Sciences Centre/ ARNET Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal; Estación Biológica de Doñana, CSIC, C/ Américo Vespucio, s/n, 41092 Sevilla, Spain; BIOS.CV - Conservation of the Environment and Sustainable Development, CP 52111, Sal Rei, Boa Vista Island, Cabo Verde.
| | - Filipa Bessa
- University of Coimbra, MARE - Marine and Environmental Sciences Centre/ ARNET Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal.
| | | | | | - Vitória Reis
- Centro de Investigação em Ciências Geo-Espaciais (CICGE), Faculdade de Ciências da Universidade do Porto, Alameda do Monte da Virgem, 4430-146 Vila Nova de Gaia, Portugal.
| | - José Alberto Gonçalves
- Departamento de Geociências, Ambiente e Ordenamento do Território (DGAOT), Faculdade de Ciências da Universidade do Porto, Portugal; CIIMAR Interdisciplinary Centre of Marine and Environmental Research, Terminal de Cruzeiros de Leixões, Avenida General Norton de Matos s/n, 4450-208 Matosinhos, Portugal.
| | - Adolfo Marco
- Estación Biológica de Doñana, CSIC, C/ Américo Vespucio, s/n, 41092 Sevilla, Spain; BIOS.CV - Conservation of the Environment and Sustainable Development, CP 52111, Sal Rei, Boa Vista Island, Cabo Verde.
| | - Neftalí Sillero
- Centro de Investigação em Ciências Geo-Espaciais (CICGE), Faculdade de Ciências da Universidade do Porto, Alameda do Monte da Virgem, 4430-146 Vila Nova de Gaia, Portugal.
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17
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Azizan A, Alfaro AC, Venter L, Jaramillo D, Bestbier M, Bennett P, Foxwell J, Young T. Quantification of Photobacterium swingsii and characterisation of disease progression in the New Zealand Greenshell™ mussel, Perna canaliculus. J Invertebr Pathol 2024; 203:108065. [PMID: 38246322 DOI: 10.1016/j.jip.2024.108065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 01/23/2024]
Abstract
Greenshell™ mussels (Perna canaliculus) are endemic to New Zealand and support the largest aquaculture industry in the country. Photobacterium swingsii was isolated and identified from moribund P. canaliculus mussels following a mass mortality event. In this study, a challenge experiment was used to characterise, detect, and quantify P. swingsii in adult P. canaliculus following pathogen exposure via injection into the adductor muscle. A positive control (heat-killed P. swingsii injection) was included to account for the effects of injection and inactive bacterial exposure. Survival of control and infected mussels remained 100% during 72-hour monitoring period. Haemolymph was sampled for bacterial colony counts and haemocyte flow cytometry analyses; histology sections were obtained and processed for histopathological assessments; and adductor muscle, gill, digestive gland were sampled for quantitative polymerase chain reaction (PCR) analyses, all conducted at 12, 24, 48 h post-challenge (hpc). The most profound effects of bacterial injection on mussels were seen at 48 hpc, where mussel mortality, haemocyte counts and haemolymph bacterial colony forming were the highest. The quantification of P. swingsii via qPCR showed highest levels of bacterial DNA at 12 hpc in the adductor muscle, gill, and digestive gland. Histopathological observations suggested a non-specific inflammatory response in all mussels associated with a general stress response. This study highlights the physiological effects of P. swingsii infection in P. canaliculus mussels and provides histopathological insight into the tissue injury caused by the action of injection into the adductor muscle. The multi-technique methods used in this study can be applied for use in early surveillance programs of bacterial infection on mussel farms.
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Affiliation(s)
- Awanis Azizan
- Aquaculture Biotechnology Research Group, Department of Environmental Sciences, School of Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand
| | - Andrea C Alfaro
- Aquaculture Biotechnology Research Group, Department of Environmental Sciences, School of Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand.
| | - Leonie Venter
- Aquaculture Biotechnology Research Group, Department of Environmental Sciences, School of Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand
| | - Diana Jaramillo
- Animal Health Laboratory, Ministry for Primary Industries, PO Box 2526, Wellington 6140, New Zealand
| | - Mark Bestbier
- Animal Health Laboratory, Ministry for Primary Industries, PO Box 2526, Wellington 6140, New Zealand
| | - Peter Bennett
- Animal Health Laboratory, Ministry for Primary Industries, PO Box 2526, Wellington 6140, New Zealand
| | - Jonathan Foxwell
- Animal Health Laboratory, Ministry for Primary Industries, PO Box 2526, Wellington 6140, New Zealand
| | - Tim Young
- Aquaculture Biotechnology Research Group, Department of Environmental Sciences, School of Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand; Centre for Biomedical & Chemical Sciences, School of Science, Auckland University of Technology, Auckland, New Zealand
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18
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Hou T, Yu J, Li C, Wang Z, Liu H. Immunotoxicity of microplastics and polychlorinated biphenyls alone or in combination to Crassostrea gigas. Mar Pollut Bull 2024; 200:116161. [PMID: 38364644 DOI: 10.1016/j.marpolbul.2024.116161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 02/03/2024] [Accepted: 02/11/2024] [Indexed: 02/18/2024]
Abstract
Microplastics (MPs) and polychlorinated biphenyls (PCBs) are pervasive pollutants in the marine environment, exerting adverse effects on marine organisms. While it is suggested that their exposure may compromise the immune responses of marine organisms, the cumulative immunotoxic effects remain uncertain. Additionally, the intricate mechanisms underlying the immunotoxicity of PCBs and MPs in marine organisms are not yet fully comprehended. To illuminate their combined biological impacts, Crassostrea gigas were exposed to 50 μg/L MPs (30-μm porous) alone, as well as 10 or 100 ng/L PCBs individually or in combination with 50 μg/L of MPs for 28 days. Our data demonstrated that oysters treated with the pollutants examined led to decreased total haemocyte count, inhibited phagocytosis of haemocytes, enhanced the intracellular contents of reactive oxygen species, lipid peroxidation and DNA damage, reduced lysozyme concentration and activity, gave rise to superoxide dismutase. Catalaseand glutathione S-transferaseactivity. The expression of three immune-related genes (NF-κB, TNF-α, TLR-6) was drastically suppressed by the PCBs and MPs treatment, while the apoptosis pathway-related genes (BAX and Caspase-3) showed a significant increase. In addition, compared to oysters treated with a single type of pollutant, coexposure to MPs and PCBs exerted more severe adverse impacts on all the parameters investigated, indicating a significant synergistic effect. Therefore, the risk of MPs and PCBs chemicals on marine organisms should be paid more attention.
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Affiliation(s)
- Tinglong Hou
- Department of Ecology, Institute of Hydrobiology, School of Life Science and Technology, Jinan University, Guangzhou 510632, China; College of Biology and Agriculture, Zunyi Normal College, Guizhou 563002, China
| | - Jinyu Yu
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, Department of Fishery Sciences, Tianjin Agricultural University, Tianjin 300384, China
| | - Chuntao Li
- College of Biology and Agriculture, Zunyi Normal College, Guizhou 563002, China
| | - Zibin Wang
- Shenzhen Ocean Center, Ministry of Natural Resources, Shenzhen 518131, China
| | - Huiru Liu
- Tianjin Key Laboratory of Aqua-Ecology and Aquaculture, Department of Fishery Sciences, Tianjin Agricultural University, Tianjin 300384, China.
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Lozano-Bilbao E, Paz S, Hardisson A, Rubio C, González-Weller D, Gutiérrez ÁJ. Comparative analysis of metal pollution in the Atlantic Ocean and Mediterranean Sea: insights from Anemonia sulcata study. Mar Pollut Bull 2024; 200:116120. [PMID: 38335636 DOI: 10.1016/j.marpolbul.2024.116120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 01/14/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024]
Abstract
In this study, we investigated metal concentrations in Anemonia sulcata specimens from various locations in the Atlantic Ocean and the Mediterranean Sea. A total of 84 individuals were sampled from specific zones, and their tissue samples were processed for metal analysis using Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES). The results revealed notable differences in metal concentrations among the studied regions. The Atlantic Ocean and the Mediterranean Sea were found to have distinct patterns of marine pollution, influenced by a complex interplay of geographical, demographic, industrial, and environmental policy factors. Conversely, the semi-enclosed Mediterranean Sea has a lower natural dilution capacity, leading to the accumulation and prolonged presence of pollutants. Population density and industrial activities in coastal areas play a significant role in pollution disparities between the Mediterranean Sea and the Atlantic Ocean. The Mediterranean coasts, with higher population densities and intensive industrial operations, experience greater strain on marine ecosystems due to increased pollution sources. Additionally, environmental policies and management approaches differ between the two regions, contributing to variations in pollution response and regulation.
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Affiliation(s)
- Enrique Lozano-Bilbao
- Grupo Interuniversitario de Toxicología Ambiental y Seguridad de los Alimentos y Medicamentos, Facultad de Medicina, Universidad de La Laguna (ULL), Campus de Ofra, San Cristóbal de La Laguna, 38071 Santa Cruz de Tenerife, Spain; Grupo de Investigación en Ecología Marina Aplicada y Pesquerías (EMAP), Instituto de Investigación de Estudios Ambientales y Recursos Naturales (i-UNAT), Universidad de Las Palmas de Gran Canaria (ULPGC), Campus de Tafira, Las Palmas de Gran Canaria, 35017 Las Palmas, Spain.
| | - Soraya Paz
- Grupo Interuniversitario de Toxicología Ambiental y Seguridad de los Alimentos y Medicamentos, Facultad de Medicina, Universidad de La Laguna (ULL), Campus de Ofra, San Cristóbal de La Laguna, 38071 Santa Cruz de Tenerife, Spain; Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Área de Toxicología, Universidad de La Laguna (ULL), Campus de Ofra, San Cristóbal de La Laguna, 38071 Santa Cruz de Tenerife, Spain
| | - Arturo Hardisson
- Grupo Interuniversitario de Toxicología Ambiental y Seguridad de los Alimentos y Medicamentos, Facultad de Medicina, Universidad de La Laguna (ULL), Campus de Ofra, San Cristóbal de La Laguna, 38071 Santa Cruz de Tenerife, Spain; Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Área de Toxicología, Universidad de La Laguna (ULL), Campus de Ofra, San Cristóbal de La Laguna, 38071 Santa Cruz de Tenerife, Spain
| | - Carmen Rubio
- Grupo Interuniversitario de Toxicología Ambiental y Seguridad de los Alimentos y Medicamentos, Facultad de Medicina, Universidad de La Laguna (ULL), Campus de Ofra, San Cristóbal de La Laguna, 38071 Santa Cruz de Tenerife, Spain; Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Área de Toxicología, Universidad de La Laguna (ULL), Campus de Ofra, San Cristóbal de La Laguna, 38071 Santa Cruz de Tenerife, Spain
| | - Dailos González-Weller
- Grupo Interuniversitario de Toxicología Ambiental y Seguridad de los Alimentos y Medicamentos, Facultad de Medicina, Universidad de La Laguna (ULL), Campus de Ofra, San Cristóbal de La Laguna, 38071 Santa Cruz de Tenerife, Spain; Servicio Público Canario de Salud, Laboratorio Central, Santa Cruz de Tenerife, 38006 Santa Cruz de Tenerife, Spain
| | - Ángel J Gutiérrez
- Grupo Interuniversitario de Toxicología Ambiental y Seguridad de los Alimentos y Medicamentos, Facultad de Medicina, Universidad de La Laguna (ULL), Campus de Ofra, San Cristóbal de La Laguna, 38071 Santa Cruz de Tenerife, Spain; Departamento de Obstetricia y Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Área de Toxicología, Universidad de La Laguna (ULL), Campus de Ofra, San Cristóbal de La Laguna, 38071 Santa Cruz de Tenerife, Spain
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20
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Elmallawany MA, Abdel-Aal AA, Abu Eleinen KG, Nadar AH, El-Adawy AI, El-Dardiry MA, Abddel-Hafez YN, Kotb AA, Saif ATS, Shaheen HAA, Sayed A, Samir O, Alatyar AA, Sheble MA, Elnakib M, Badr MS, Nahnoush RK. Metagenomic analysis of the ocular toxoplasmosis in children uveitis from Fayoum governorate, Egypt. Infect Genet Evol 2024; 118:105551. [PMID: 38216107 DOI: 10.1016/j.meegid.2024.105551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 01/06/2024] [Accepted: 01/09/2024] [Indexed: 01/14/2024]
Abstract
Granulomatous anterior uveitis with single or numerous gelatinous nodules was found in children living in rural Egypt. All ocular diseases were originally thought to be water-born and related to digenic flukes. The current study sought to learn more about the causes of anterior granulomatous uveitis in Egyptian youngsters who used to swim in rural water canals. 50 children with eye lesions that had not responded to medical treatment were recruited. Four samples were surgically extracted and examined using real-time PCR, transmission electron microscopy (TEM), and shotgun metagenomic sequencing (SMS). Toxoplasma gondii was detected free within the syncytium's distal section, while the proximal part exhibited active synthesis of a presumably extra-polymeric material, possibly released by the microbial population. Toxoplasma gondii was found in 30 samples. Serologically, distinct anti-Toxoplasma antibodies were not found in 91.6% of patients. SMS showed that the T. gondii ME 49 strain had the greatest percentage (29-25%) in all samples within an Acinetobacter-containing microbial community. These findings suggested that these bacteria entered the body via the exterior route rather than the circulatory route. The lack of genetic evidence for subsequent parasite stages invalidates the prior findings about the assumed trematode stage.
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Affiliation(s)
- Marwa A Elmallawany
- Medical Parasitology Department, Faculty of Medicine Kasr Al-Ainy, Cairo University, 11796 Giza, Egypt
| | - Amany A Abdel-Aal
- Medical Parasitology Department, Faculty of Medicine Kasr Al-Ainy, Cairo University, 11796 Giza, Egypt; Postgraduate Department, Armed Forces College of Medicine (AFCM), 11774 Cairo, Egypt
| | - Khaled G Abu Eleinen
- Ophthalmology Department, Faculty of Medicine Kasr Al-Ainy, Cairo University, 11796 Giza, Egypt
| | | | - Azza I El-Adawy
- Medical Parasitology Department, Faculty of Medicine Kasr Al-Ainy, Cairo University, 11796 Giza, Egypt; Medical Parasitology Department, Armed Forces College of Medicine (AFCM), 11774 Cairo, Egypt
| | - Marwa A El-Dardiry
- Medical Parasitology Department, Faculty of Medicine, Fayoum University, 63511 Fayoum, Egypt.
| | - Yosra N Abddel-Hafez
- Medical Parasitology Department, Faculty of Medicine, Fayoum University, 63511 Fayoum, Egypt
| | - Ahmed A Kotb
- Ophthalmology Department, Faculty of Medicine, Fayoum University, 63511 Fayoum, Egypt
| | - Ahmed T S Saif
- Ophthalmology Department, Faculty of Medicine, Fayoum University, 63511 Fayoum, Egypt
| | - Hoda A A Shaheen
- Medical Parasitology Department, Faculty of Medicine, Girl's Campus, Al-Azhar University, 11682 Cairo, Egypt
| | - Ahmed Sayed
- Basic Research Unit, Genomics/Epigenomics Program, Children's Cancer Hospital 57357, 11562 Cairo, Egypt
| | - Omar Samir
- Basic Research Unit, Genomics/Epigenomics Program, Children's Cancer Hospital 57357, 11562 Cairo, Egypt
| | | | | | - Mostafa Elnakib
- Medical Microbiology and Immunology Department, Military Medical Academy, Cairo 11711, Egypt
| | - Mohamed S Badr
- Department of Molecular Biology and Bioinformatics, Medical Research Center, Faculty of Medicine, Ain Shams University, 11566 Cairo, Egypt
| | - Reham K Nahnoush
- Medical Parasitology Department, Faculty of Medicine Kasr Al-Ainy, Cairo University, 11796 Giza, Egypt; Medical Parasitology Department, Armed Forces College of Medicine (AFCM), 11774 Cairo, Egypt
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21
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Eisenhofer R, Wright S, Weyrich L. Benchmarking a targeted 16S ribosomal RNA gene enrichment approach to reconstruct ancient microbial communities. PeerJ 2024; 12:e16770. [PMID: 38440408 PMCID: PMC10911074 DOI: 10.7717/peerj.16770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 12/16/2023] [Indexed: 03/06/2024] Open
Abstract
The taxonomic characterization of ancient microbiomes is a key step in the rapidly growing field of paleomicrobiology. While PCR amplification of the 16S ribosomal RNA (rRNA) gene is a widely used technique in modern microbiota studies, this method has systematic biases when applied to ancient microbial DNA. Shotgun metagenomic sequencing has proven to be the most effective method in reconstructing taxonomic profiles of ancient dental calculus samples. Nevertheless, shotgun sequencing approaches come with inherent limitations that could be addressed through hybridization enrichment capture. When employed together, shotgun sequencing and hybridization capture have the potential to enhance the characterization of ancient microbial communities. Here, we develop, test, and apply a hybridization enrichment capture technique to selectively target 16S rRNA gene fragments from the libraries of ancient dental calculus samples generated with shotgun techniques. We simulated data sets generated from hybridization enrichment capture, indicating that taxonomic identification of fragmented and damaged 16S rRNA gene sequences was feasible. Applying this enrichment approach to 15 previously published ancient calculus samples, we observed a 334-fold increase of ancient 16S rRNA gene fragments in the enriched samples when compared to unenriched libraries. Our results suggest that 16S hybridization capture is less prone to the effects of background contamination than 16S rRNA amplification, yielding a higher percentage of on-target recovery. While our enrichment technique detected low abundant and rare taxa within a given sample, these assignments may not achieve the same level of specificity as those achieved by unenriched methods.
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Affiliation(s)
| | - Sterling Wright
- Department of Anthropology, Pennsylvania State University, University Park, Pennsylvania, United States
| | - Laura Weyrich
- Department of Anthropology, Pennsylvania State University, University Park, Pennsylvania, United States
- Huck Institutes of the Life Sciences, Pennsylvania State University, University Park, Pennsylvania, United States
- School of Biological Sciences, University of Adelaide, Adelaide, Australia
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22
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Li H, Nie H, Li D, Wang B, Huo Z, Su Y, Yan X. Transcriptome analysis provides new insights into the immune response of Ruditapes philippinarum infected with Vibrio alginolyticus. Fish Shellfish Immunol 2024; 148:109468. [PMID: 38432537 DOI: 10.1016/j.fsi.2024.109468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/17/2024] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
Manila clam (Ruditapes philippinarum) is a bivalve species with commercial value, but it is easily infected by pathogenic microorganisms in aquaculture, which restricts the shellfish industry. Notably, the impact of Vibrio alginolyticus on clam culture is obvious. In this study, RNA-seq was performed to analyze clam hepatopancreas tissue in 48 h (challenge group, G48h) and 96 h (challenge group, G96h) after infection with V. alginolyticus and 0 h after injection of PBS (control group, C). The results showed that a total of 1670 differentially expressed genes were detected in the G48h vs C group, and 1427 differentially expressed genes were detected in the G96h vs C group. In addition, KEGG analysis showed that DEGs were significantly enriched in pathways such as Lysosome and Mitophagy. Moreover, 15 immune related DEGs were selected for qRT-PCR analysis to verify the accuracy of RNA-seq, and the results showed that the expression level of DEGs was consistent with that of RNA-seq. Therefore, the results obtained in this study provides a preliminary understanding of the immune defense of R. philippinarum and molecular insights for genetic breeding of V. alginolyticus resistance in Manila clam.
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Affiliation(s)
- Hongda Li
- College of Fisheries and Life Science, Dalian Ocean University, 116023 Dalian, China; Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian Ocean University, 116023 Dalian, China
| | - Hongtao Nie
- College of Fisheries and Life Science, Dalian Ocean University, 116023 Dalian, China; Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian Ocean University, 116023 Dalian, China.
| | - Dongdong Li
- College of Fisheries and Life Science, Dalian Ocean University, 116023 Dalian, China; Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian Ocean University, 116023 Dalian, China
| | - Bin Wang
- Dalian Jintuo Aquatic Food Co., Ltd, 116000 Dalian, China
| | - Zhongming Huo
- College of Fisheries and Life Science, Dalian Ocean University, 116023 Dalian, China; Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian Ocean University, 116023 Dalian, China
| | - Yanming Su
- College of Fisheries and Life Science, Dalian Ocean University, 116023 Dalian, China.
| | - Xiwu Yan
- College of Fisheries and Life Science, Dalian Ocean University, 116023 Dalian, China; Engineering Research Center of Shellfish Culture and Breeding in Liaoning Province, Dalian Ocean University, 116023 Dalian, China
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23
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Cardim Falcao R, Edwards MR, Hurst M, Fraser E, Otterstatter M. A Review on Microbiological Source Attribution Methods of Human Salmonellosis: From Subtyping to Whole-Genome Sequencing. Foodborne Pathog Dis 2024; 21:137-146. [PMID: 38032610 PMCID: PMC10924193 DOI: 10.1089/fpd.2023.0075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023] Open
Abstract
Salmonella is one of the main causes of human foodborne illness. It is endemic worldwide, with different animals and animal-based food products as reservoirs and vehicles of infection. Identifying animal reservoirs and potential transmission pathways of Salmonella is essential for prevention and control. There are many approaches for source attribution, each using different statistical models and data streams. Some aim to identify the animal reservoir, while others aim to determine the point at which exposure occurred. With the advance of whole-genome sequencing (WGS) technologies, new source attribution models will greatly benefit from the discriminating power gained with WGS. This review discusses some key source attribution methods and their mathematical and statistical tools. We also highlight recent studies utilizing WGS for source attribution and discuss open questions and challenges in developing new WGS methods. We aim to provide a better understanding of the current state of these methodologies with application to Salmonella and other foodborne pathogens that are common sources of illness in the poultry and human sectors.
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Affiliation(s)
- Rebeca Cardim Falcao
- British Columbia Centre for Disease Control, Vancouver, Canada
- School of Population and Public Health, The University of British Columbia, Vancouver, Canada
| | - Megan R Edwards
- British Columbia Centre for Disease Control, Vancouver, Canada
- School of Population and Public Health, The University of British Columbia, Vancouver, Canada
| | - Matt Hurst
- Public Health Agency of Canada, Guelph, Canada
| | - Erin Fraser
- British Columbia Centre for Disease Control, Vancouver, Canada
- School of Population and Public Health, The University of British Columbia, Vancouver, Canada
| | - Michael Otterstatter
- British Columbia Centre for Disease Control, Vancouver, Canada
- School of Population and Public Health, The University of British Columbia, Vancouver, Canada
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24
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Hammel M, Touchard F, Burioli EAV, Paradis L, Cerqueira F, Chailler E, Bernard I, Cochet H, Simon A, Thomas F, Destoumieux-Garzón D, Charrière GM, Bierne N. Marine transmissible cancer navigates urbanized waters, threatening spillover. Proc Biol Sci 2024; 291:20232541. [PMID: 38378149 PMCID: PMC10878816 DOI: 10.1098/rspb.2023.2541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/22/2024] [Indexed: 02/22/2024] Open
Abstract
Inter-individual transmission of cancer cells represents a unique form of microparasites increasingly reported in marine bivalves. In this study, we sought to understand the ecology of the propagation of Mytilus trossulus Bivalve Transmissible Neoplasia 2 (MtrBTN2), a transmissible cancer affecting four Mytilus mussel species worldwide. We investigated the prevalence of MtrBTN2 in the mosaic hybrid zone of M. edulis and M. galloprovincialis along the French Atlantic coast, sampling contrasting natural and anthropogenic habitats. We observed a similar prevalence in both species, probably due to the spatial proximity of the two species in this region. Our results showed that ports had higher prevalence of MtrBTN2, with a possible hotspot observed at a shuttle landing dock. No cancer was found in natural beds except for two sites close to the hotspot, suggesting spillover. Ports may provide favourable conditions for the transmission of MtrBTN2, such as high mussel density, stressful conditions, sheltered and confined shores or buffered temperatures. Ships may also spread the disease through biofouling. Our results suggest ports may serve as epidemiological hubs, with maritime routes providing artificial gateways for MtrBTN2 propagation. This highlights the importance of preventing biofouling on docks and ship hulls to limit the spread of marine pathogens hosted by fouling species.
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Affiliation(s)
- M. Hammel
- ISEM, Univ Montpellier, CNRS, IRD, Montpellier, Occitanie, France
- IHPE, Univ Montpellier, CNRS, Ifremer, Univ Perpignan Via Domitia, Montpellier, France
| | - F. Touchard
- ISEM, Univ Montpellier, CNRS, IRD, Montpellier, Occitanie, France
| | - E. A. V. Burioli
- ISEM, Univ Montpellier, CNRS, IRD, Montpellier, Occitanie, France
- IHPE, Univ Montpellier, CNRS, Ifremer, Univ Perpignan Via Domitia, Montpellier, France
| | - L. Paradis
- ISEM, Univ Montpellier, CNRS, IRD, Montpellier, Occitanie, France
| | - F. Cerqueira
- ISEM, Univ Montpellier, CNRS, IRD, Montpellier, Occitanie, France
| | - E. Chailler
- ISEM, Univ Montpellier, CNRS, IRD, Montpellier, Occitanie, France
| | | | - H. Cochet
- Cochet Environnement, 56550 Locoal, France
| | - A. Simon
- ISEM, Univ Montpellier, CNRS, IRD, Montpellier, Occitanie, France
| | - F. Thomas
- CREEC/CANECEV (CREES), MIVEGEC, Unité Mixte de Recherches, IRD 224-CNRS 5290-Université de Montpellier, Montpellier, France
| | - D. Destoumieux-Garzón
- IHPE, Univ Montpellier, CNRS, Ifremer, Univ Perpignan Via Domitia, Montpellier, France
| | - G. M. Charrière
- IHPE, Univ Montpellier, CNRS, Ifremer, Univ Perpignan Via Domitia, Montpellier, France
| | - N. Bierne
- ISEM, Univ Montpellier, CNRS, IRD, Montpellier, Occitanie, France
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25
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Mesquita AF, Gonçalves FJM, Gonçalves AMM. Toxicity of two pesticides in binary mixture on survival and enzymatic response of Cerastoderma edule - The warming influence. Sci Total Environ 2024; 913:169676. [PMID: 38160819 DOI: 10.1016/j.scitotenv.2023.169676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/22/2023] [Accepted: 12/23/2023] [Indexed: 01/03/2024]
Abstract
Pesticide application increased by about 1 million tonnes in the last 3 decades. Pesticides' overuse, coupled with the need for several pesticides to control different pests in the same crop, and its application many times per year, results in dangerous chemical cocktails that enter in aquatic systems, with impacts to the ecosystems and its communities. Climatic changes are currently another great concern, is predicted by the end of the 21st century, the earth's surface temperature will increase by about 4 °C. Bivalve species are reported as essential to the ecosystems' balance. However, they are also indicated as the organisms that will suffer the most serious effects of the temperature increase. So, this work intends to: a) verify the harm of the sub-lethal concentrations of two worldwide used pesticides, oxyfluorfen and copper (Cu), when combined, to Cerastoderma edule at 15 °C and 20 °C; b) assess the changes in the antioxidant defence system, the activity of the neurological enzyme acetylcholinesterase and the nutritive value of C. edule, after exposure to sub-lethal concentrations of oxyfluorfen and Cu, single and in the mixture, at 15 °C and 20 °C; c) observe the interaction between Cu and oxyfluorfen, considering the different biomarkers. Bivalves were exposed to oxyfluorfen and Cu, single and combined, for 96 h, at 15 °C and 20 °C. Results showed lethal effects to the organisms exposed at 20 °C when exposed to the highest binary mixture concentrations. Biochemical effects were observed on the organisms exposed to 15 °C, despite not observing any lethal effects. Briefly, there was a reported increase in oxidative stress and a decrease in protein content, regardless of the increase in the activity of antioxidant enzymes. These results suggest the potentially dangerous effects of the chemicals' mixture combined with the temperature, on this species and its consumers, impacting the trophic chain, and consequently, the community structure and function.
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Affiliation(s)
- Andreia F Mesquita
- Department of Biology, CESAM - Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Fernando J M Gonçalves
- Department of Biology, CESAM - Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ana M M Gonçalves
- Department of Biology, CESAM - Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal; University of Coimbra, MARE-Marine and Environmental Sciences Centre, ARNET - Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
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26
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Fan C, Dai W, Zhang H, Liu S, Lin Z, Xue Q. Genomic and Proteomic Analyses of Extracellular Products Reveal Major Virulence Factors Likely Accounting for Differences in Pathogenicity to Bivalves between Vibrio mediterranei Strains. Animals (Basel) 2024; 14:692. [PMID: 38473077 DOI: 10.3390/ani14050692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/07/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Vibrio mediterranei, a bacterial pathogen of bivalves, has exhibited strain-dependent virulence. The mechanisms behind the variations in bivalve pathogenicity between V. mediterranei strains have remained unclear. However, a preliminary analysis of the extracellular product (ECP) proteomes has revealed differences in protein compositions between low- and high-virulence strains; in addition to 1265 shared proteins, 127 proteins have been identified to be specific to one low-virulence strain and 95 proteins to be specific to two high-virulence strains. We further studied the ECP proteins of the three V. mediterranei strains from functional perspectives using integrated genomics and proteomics approaches. The results showed that lipid metabolism, transporter activity and membrane transporter pathways were more enriched in the ECPs of the two high-virulence strains than in those of the low-virulence strain. Additionally, 73 of the 95 high-virulence strain-specific proteins were found to have coding genes in the genome but were not expressed in the low-virulence strain. Moreover, comparisons with known virulence factors in the Virulence Factor Database (VFDB) and the Pathogen-Host Interactions Database (PHI-base) allowed us to predict more than 10 virulence factors in the categories of antimicrobial activity/competitive advantage, the effector delivery system and immune modulation, and the high-virulence strain-specific ECP proteins consisted of a greater percentage of known virulence factors than the low-virulence strain. Particularly, two virulence factors, MtrC and KatG, were identified in the ECPs of the two high-virulence strains but not in those of the low-virulence strain. Most coding genes of the ECP proteins including known virulence factors were identified on chromosome 1 of V. mediterranei. Our findings indicate that variations in virulence factor composition in the bacterial ECPs may partially account for the differences in the bivalve pathogenicity between V. mediterranei strains.
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Affiliation(s)
- Congling Fan
- Zhejiang Key Laboratory of Aquatic Germplasm Resource, College of Biological Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China
| | - Wenfang Dai
- Zhejiang Key Laboratory of Aquatic Germplasm Resource, College of Biological Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China
- Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai, Ningbo 315604, China
| | - Haiyan Zhang
- Zhejiang Key Laboratory of Aquatic Germplasm Resource, College of Biological Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China
- Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai, Ningbo 315604, China
| | - Sheng Liu
- Zhejiang Key Laboratory of Aquatic Germplasm Resource, College of Biological Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China
- Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai, Ningbo 315604, China
| | - Zhihua Lin
- Zhejiang Key Laboratory of Aquatic Germplasm Resource, College of Biological Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China
- Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai, Ningbo 315604, China
| | - Qinggang Xue
- Zhejiang Key Laboratory of Aquatic Germplasm Resource, College of Biological Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China
- Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai, Ningbo 315604, China
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Arboleda-Baena C, Freilich M, Pareja CB, Logares R, De la Iglesia R, Navarrete SA. Microbial community and network responses across strong environmental gradients: How do they compare with macroorganisms? FEMS Microbiol Ecol 2024; 100:fiae017. [PMID: 38327185 PMCID: PMC10894034 DOI: 10.1093/femsec/fiae017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 01/01/2024] [Accepted: 02/06/2024] [Indexed: 02/09/2024] Open
Abstract
The way strong environmental gradients shape multispecific assemblages has allowed us to examine a suite of ecological and evolutionary hypotheses about structure, regulation and community responses to fluctuating environments. But whether the highly diverse co-occurring microorganisms are shaped in similar ways as macroscopic organisms across the same gradients has yet to be addressed in most ecosystems. Here, we characterize intertidal biofilm bacteria communities, comparing zonation at both the "species" and community levels, as well as network attributes, with co-occurring macroalgae and invertebrates in the same rocky shore system. The results revealed that the desiccation gradient has a more significant impact on smaller communities, while both desiccation and submersion gradients (surge) affect the larger, macroscopic communities. At the community level, we also confirmed the existence of distinct communities within each intertidal zone for microorganisms, similar to what has been previously described for macroorganisms. But our results indicated that dominant microbial organisms along the same environmental gradient exhibited less differentiation across tidal levels than their macroscopic counterparts. However, despite the substantial differences in richness, size and attributes of co-occurrence networks, both macro- and micro-communities respond to stress gradients, leading to the formation of similar zonation patterns in the intertidal rocky shore.
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Affiliation(s)
- Clara Arboleda-Baena
- Department of Ecology, Estación Costera de Investigaciones Marinas (ECIM), Pontificia Universidad Católica de Chile, El Tabo, 2690000, Chile
- Department of Molecular Genetics and Microbiology, Laboratorio de Microbiología Marina, Pontificia Universidad Católica de Chile, Santiago de Chile, 8320000, Chile
- Department of Hydrobiology, Laboratory of Microbial Processes & Biodiversity, Universidade Federal de São Carlos, São Carlos, 13565-905, Brazil
| | - Mara Freilich
- Department of Earth, Environmental, and Planetary Sciences and Division of Applied Mathematics, Brown University, Providence, RI, 02912, USA
| | - Claudia Belén Pareja
- Department of Molecular Genetics and Microbiology, Laboratorio de Microbiología Marina, Pontificia Universidad Católica de Chile, Santiago de Chile, 8320000, Chile
| | - Ramiro Logares
- Instituto de Ciencias del Mar – CSIC, Paseo Marítimo de la Barceloneta, Barcelona, 08003, Spain
| | - Rodrigo De la Iglesia
- Department of Molecular Genetics and Microbiology, Laboratorio de Microbiología Marina, Pontificia Universidad Católica de Chile, Santiago de Chile, 8320000, Chile
- Marine Energy Research & Innovation Center (MERIC), Santiago de Chile, 8320000, Chile
| | - Sergio A Navarrete
- Department of Ecology, Estación Costera de Investigaciones Marinas (ECIM), Pontificia Universidad Católica de Chile, El Tabo, 2690000, Chile
- Marine Energy Research & Innovation Center (MERIC), Santiago de Chile, 8320000, Chile
- Núcleo Milenio para la Ecología y la Conservación de los Ecosistemas de Arrecifes Mesofóticos Templados (NUTME), Pontificia Universidad Católica de Chile, Santiago de Chile, 8320000, Chile
- Center for Applied Ecology and Sustainability (CAPES) and Coastal Socioecologial Milenium Institute (SECOS), Pontificia Universidad Católica de Chile, Santiago de Chile, 8320000, Chile
- Center for Oceanographic Research, Copas Coastal, Universidad de Concepción, Casilla 160-C, Concepción, Chile
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Petit C, Caudal F, Taupin L, Dufour A, Le Ker C, Giudicelli F, Rodrigues S, Bazire A. Antibiofilm Activity of the Marine Probiotic Bacillus subtilis C3 Against the Aquaculture-Relevant Pathogen Vibrio harveyi. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10229-z. [PMID: 38329698 DOI: 10.1007/s12602-024-10229-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/02/2024] [Indexed: 02/09/2024]
Abstract
V. harveyi is a well-known pathogen-inducing vibriosis, especially for shrimp, fish, and invertebrates. Its virulence is related to biofilm formation and this negatively impacts the aquaculture industry. Therapeutic strategies such as the utilization of probiotic bacteria may slow down Vibrio infections. In this study, we investigated the potential antibiofilm activity of the probiotic Bacillus subtilis C3 for aquaculture. First, B. subtilis C3 biofilm was characterized by confocal laser scanning microscopy (CLSM) before testing its bioactivities. We demonstrated antibiofilm activity of B. subtilis C3 culture supernatant, which is mainly composed-among other molecules-of lipopeptidic surfactants belonging to the surfactin family as identified by ultra-high-performance liquid chromatography (UHPLC)-MS/MS. Their antibiofilm activity was confirmed on V. harveyi ORM4 (pFD086) biofilm by CLSM. These findings suggest that the marine probiotic B. subtilis C3 might inhibit or reduce Vibrio colonization and thus decrease the associated animal mortalities.
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Affiliation(s)
- Coraline Petit
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, IUEM, EMR 6076, 56100, Lorient, France
- Marine Akwa, 1 rue René Cassin, 22100, Dinan, France
| | - Flore Caudal
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, IUEM, EMR 6076, 56100, Lorient, France
| | - Laure Taupin
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, IUEM, EMR 6076, 56100, Lorient, France
| | - Alain Dufour
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, IUEM, EMR 6076, 56100, Lorient, France
| | - Carine Le Ker
- Marine Akwa, 1 rue René Cassin, 22100, Dinan, France
| | | | - Sophie Rodrigues
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, IUEM, EMR 6076, 56100, Lorient, France
| | - Alexis Bazire
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, IUEM, EMR 6076, 56100, Lorient, France.
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Hou Y, Liao T, Zhang F, Zhang T, Wang L, Lv W, Li Z. MicroRNA transcriptome analysis reveals the immune regulatory mechanism of Crassostrea hongkongesis against Vibrio harveyi infection. Fish Shellfish Immunol 2024; 145:109354. [PMID: 38171431 DOI: 10.1016/j.fsi.2023.109354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 12/21/2023] [Accepted: 12/29/2023] [Indexed: 01/05/2024]
Abstract
MicroRNAs (miRNAs) are small non-coding RNA molecules that modulate target-genes expression and play crucial roles in post-transcriptional regulation and immune system regulation. The Hong Kong oyster (Crassostrea hongkongesis), as the main marine aquaculture shellfish in the South China Sea, not only has high economic and ecological value, but also is an ideal model for conducting research on pathogen host interaction. Vibrio harveyi, a Gram negative luminescent marine bacterium, is widely distributed in coastal water environments and can cause large-scale death of C. hongkongesis. However, little in formation is available on the immune regulatory mechanisms of C. hongkongesis infected with V. harveyi. Therefore, we performed microRNA transcriptome analysis for elucidating the immunoregulation mechanism of C. hongkongesis infected with V. harveyi. The results show that a total of 308468208 clean reads and 288371159 clean tags were obtained. 222 differentially expressed miRNAs were identified. A total of 388 target genes that were differentially expressed and negatively correlated with miRNA expression were predicted by 222 DEmiRs. GO enrichment analysis of 388 DETGs showed that they were mainly enriched in the immune-related term of membrane-bounded vesicle, endocytic vesicle lumen, antigen processing and presentation of exogenous peptide antigen via MHC class I, antigen processing and presentation of peptide antigen via MHC class I, and other immune-related term. KEGG enrichment analysis showed that DETGs were mainly enriched in the Complement and coagulation cascades, Herpes simplex virus 1 infection, Bacterial invasion of epithelial cells, Antigen processing and presentation and NOD-like receptor signaling pathway. The 16 key DEmiRs and their target genes form a regulatory network for seven immune-related pathways. These results suggest that V. harveyi infection induces a complex miRNA response with wide-ranging effects on immune gene expression in the C. hongkongesis. This study explored the immune response of C. hongkongesis to V. harveyi infection at the level of miRNAs, which provides new ideas for the healthy culture and selective breeding of C. hongkongesis.
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Affiliation(s)
- Yongkang Hou
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Taoliang Liao
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Fangqi Zhang
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Teng Zhang
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Lijun Wang
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Wengang Lv
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Zhimin Li
- College of Fishery, Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China.
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Yao C, Liu C, Hong S, Zhou J, Gao Z, Li Y, Lv W, Zhou W. Potential nervous threat of nanoplastics to Monopterus albus: Implications from a metabolomics study. Sci Total Environ 2024; 910:168482. [PMID: 37981139 DOI: 10.1016/j.scitotenv.2023.168482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 10/21/2023] [Accepted: 11/09/2023] [Indexed: 11/21/2023]
Abstract
Nanoplastics, as a new class of environmental pollutants, have been frequently detected in environmental media and organisms. Monopterus albus (M. albus) is an important economic aquatic product with a high dietary consumption. However, the potential biological effects of nanoplastics on M. albus remain unknown. In this study, the effects of polystyrene nanoplastics (PS-NPs) at different concentrations (0, 0.5, 1, 5 and 10 mg/L) on M. albus were investigated using an untargeted metabolomics approach. The results showed that 59, 44, 24, and 31 individual differential metabolites and 16, 9, 6, and 2 significant differential metabolic pathways were significantly changed in 0.5, 1, 5, and 10 mg/L respectively, indicating the greater effect of PS-NPs at the relatively low concentrations. After further analysis, there are four same significant differential metabolic pathways for the 0.5 and 1 mg/L groups, i.e., ABC transporters, cAMP signaling pathway, Neuroactive ligand-receptor interaction, and Synaptic vesicle cycle. In addition, there was one mutual differential metabolic pathway (Neuroactive ligand-receptor interaction) among the four groups, indicative of the probably universal nervous influence of nanoplastics on M. albus. In a word, the current work suggests that PS-NPs might affect the nervous systems of M. albus through disturbing their liver metabolism, and nanoplastics at relatively low concentrations may possess a greater effect, which provides significant information for assessing the toxic effect and exposure risk of nanoplastics to organisms in aquatic environment.
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Affiliation(s)
- Chunxia Yao
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; Key Laboratory of Food Quality Safety and Nutrition (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shanghai 201403, China
| | - Chengbin Liu
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; Key Laboratory of Food Quality Safety and Nutrition (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shanghai 201403, China
| | - Shuang Hong
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; College of Fisheries and Life Science, Shanghai Ocean university, Shanghai 201306, China
| | - Jiaxin Zhou
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; Key Laboratory of Food Quality Safety and Nutrition (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shanghai 201403, China
| | - Zhaoliang Gao
- Institute of Fruit and Forest, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Yiming Li
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fisheries Sciences, Shanghai 200092, China
| | - Weiwei Lv
- Eco-environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China.
| | - Wenzong Zhou
- Eco-environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China.
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Liu H, Ding S, Xu Y, Lin J, Jiang K, Zha S, Bao Y. NO production of granulocytes associated with antibacterial immune response in Tegillarca granosa. Fish Shellfish Immunol 2024; 145:109332. [PMID: 38142829 DOI: 10.1016/j.fsi.2023.109332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/19/2023] [Accepted: 12/21/2023] [Indexed: 12/26/2023]
Abstract
Nitric oxide (NO) is a signaling molecule and immune effector produced by the nitric oxide synthases (NOS), which involved to various physiological processes of animals. In marine bivalves, hemocytes play important roles in antimicrobial innate immune response. Although hemocyte-derived NO has been detected in several bivalves, the immune function of hemocyte-derived NO is not well understood. Here, we investigated the antibacterial response of hemocyte-derived NO in the blood clam Tegillarca granosa. Two types of hemocytes including erythrocytes and granulocytes were isolated by Percoll density gradient centrifugation, their NO production and TgNOS expression level were analyzed. The results showed that NO was mainly produced in granulocytes and almost no detected in erythrocytes. The granulocytes showed significantly higher NO level and TgNOS expression level than the erythrocytes. And the TgNOS expression level was significantly increased in granulocytes after Vibro parahemolyticus challenge. In addition, the NO donor sodium nitroprusside (SNP) significantly increased the NO production of hemocytes to kill pathogenic bacteria. In summary, the results revealed that granulocytes-derived NO play vital roles in the antimicrobial immune response of the blood clam.
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Affiliation(s)
- Hongxing Liu
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological & Environmental Sciences, Zhejiang Wanli University, Ningbo, 315100, China; Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai, 315604, China
| | - Sixuan Ding
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological & Environmental Sciences, Zhejiang Wanli University, Ningbo, 315100, China
| | - Yingbin Xu
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological & Environmental Sciences, Zhejiang Wanli University, Ningbo, 315100, China
| | - Jie Lin
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological & Environmental Sciences, Zhejiang Wanli University, Ningbo, 315100, China
| | - Kaiqi Jiang
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological & Environmental Sciences, Zhejiang Wanli University, Ningbo, 315100, China
| | - Shanjie Zha
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological & Environmental Sciences, Zhejiang Wanli University, Ningbo, 315100, China; Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai, 315604, China
| | - Yongbo Bao
- Key Laboratory of Aquatic Germplasm Resource of Zhejiang, College of Biological & Environmental Sciences, Zhejiang Wanli University, Ningbo, 315100, China; Ninghai Institute of Mariculture Breeding and Seed Industry, Zhejiang Wanli University, Ninghai, 315604, China.
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Sinmez CC, Şahin B. Dr. Sait Bilal Golem (1899-1955): Veterinarian and pioneer researcher of public health in Albania and Turkey. J Med Biogr 2024; 32:131-139. [PMID: 36380560 DOI: 10.1177/09677720221138326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Sait Bilal Golem is an Albanian veterinarian who graduated from the Military Veterinary School in 1920. Golem started his doctorate in microbiology at Alfort Veterinary School. In this process, he worked as an assistant to the world-renowned French microbiologist Dr Gaston Ramon at the Pasteur Institute. After his doctorate, he returned to Albania and established the Veterinary Affairs Organization and made significant contributions to its structuring in international standards. Dr Golem returned to Türkiye in 1926 and started working at the Central Institute of Hygiene. Dr Golem, together with physicians and veterinarians at this institute, diagnosed brucellosis in animals and humans with serological methods for the first time in Türkiye. Moreover, he isolated Newcastle virus from embryonated eggs for the first time and prepared Komarov type attenuated dry vaccine against this virus for the first time in Türkiye. He conducted the first research on the diagnosis of Q fever and prepared the first intradermal BCG vaccine in Türkiye. Through his studies for both public and animal health in Türkiye, he has contributed to the One Health concept with an understanding that transcends time.
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Affiliation(s)
- Cagri Caglar Sinmez
- History of Veterinary Medicine and Deontology, Erciyes University Faculty of Veterinary Medicine, Kayseri, Turkey
| | - Batuhan Şahin
- Vocational School of Health Services, Osmaniye Korkut Ata University, Osmaniye, Turkey
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Felix-Nascimento G, Lucena RB, da Fonseca CF, da Silva IJS, de Moraes CCN, de Carvalho CAC, de Moura GJB, Vieira FM, Ribeiro LB, de Oliveira JB. Mineral profile and histopathological findings in the liver of white-lipped frog (Leptodactylidae) from the morphoclimatic domain of the Caatingas, Brazil. Environ Sci Pollut Res Int 2024; 31:10750-10765. [PMID: 38206463 DOI: 10.1007/s11356-024-31908-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 01/03/2024] [Indexed: 01/12/2024]
Abstract
This study aimed to investigate the mineral profile and histopathological findings in the liver of Leptodactylus macrosternum (white-lipped frog) and to assess the association between melanomacrophage areas and hepatic fungal granuloma with several factors such as weight, snout-cloacal length, sex, hepatosomatic index, season (dry and rainy), and condition factor K. A total of 135 frogs of different ages were collected from three areas in the city of Petrolina, Pernambuco, with varying land use (conventional agriculture, organic agriculture, and Caatinga stricto sensu). The liver of all specimens exhibited changes such as granulomatous lesions, inflammatory cell infiltrate, blood vessel congestion, and sinusoid dilation. The melanomacrophage areas were influenced by weight, snout-cloacal length, and hepatosomatic index. Our findings revealed a positive correlation between body size (weight and snout-cloacal length) and melanomacrophage/hepatic granuloma, while the hepatosomatic index showed a negative relationship. For the condition factor K, only age presents relationship. Eleven elements were quantified for the mineral profile, with aluminum (Al), iron (Fe), and zinc (Zn) being the most abundant in both liver and muscle. Although the histopathological findings and mineral profile of the liver and muscle in this study indicate an effect on the health of L. macrosternum in different collection areas, confirming the relationship between environmental characteristics and these findings requires future studies. Furthermore, long-term studies would be necessary to allow the monitoring of all stages of development of these populations, from tadpoles to adults, for a better evaluation of these effects in L. macrosternum.
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Affiliation(s)
- Gabriela Felix-Nascimento
- Laboratory of Anatomy of Domestic and Wild Animals (LAADS), Federal University of the San Francisco Valley (UNIVASF), Rodovia BR-407, Km. 12 Lote 543 S/n Projeto de Irrigação Nilo Coelho, Petrolina, Pernambuco, 56300-000, Brazil.
- Postgraduate Program in Animal Bioscience (PPGBA), Rural Federal University of Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, S/N, Dois Irmãos, Recife, Pernambuco, 52171-900, Brazil.
- Federal University of the San Francisco Valley (UNIVASF), Rodovia BR-407, Km. 12 Lote 543 S/n Projeto de Irrigação Nilo Coelho, Petrolina, Pernambuco, 56300-000, Brazil.
| | - Ricardo Barbosa Lucena
- Microscopy Sector of the Center for Agricultural Sciences, Federal University of Paraiba (UFPB), Rodovia PB 079, Km 12, Areia, Paraíba, 58.397-000, Brazil
| | - Cristina Farias da Fonseca
- Brazilian Institute for the Environment and Renewable Natural Resources (IBAMA), Casa Forte, Av. 17 de Agosto 1057, Recife, Pernambuco, 52060-590, Brazil
| | - Iago José Santos da Silva
- Rural Federal University of Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, S/N, Dois Irmãos, Recife, Pernambuco, 52171-900, Brazil
| | - Caio Carvalho Novais de Moraes
- Federal University of the San Francisco Valley (UNIVASF), Rodovia BR-407, Km. 12 Lote 543 S/n Projeto de Irrigação Nilo Coelho, Petrolina, Pernambuco, 56300-000, Brazil
| | - Carla Adrielle Costa de Carvalho
- Federal University of the San Francisco Valley (UNIVASF), Rodovia BR-407, Km. 12 Lote 543 S/n Projeto de Irrigação Nilo Coelho, Petrolina, Pernambuco, 56300-000, Brazil
| | - Geraldo Jorge Barbosa de Moura
- Postgraduate Program in Animal Bioscience (PPGBA), Rural Federal University of Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, S/N, Dois Irmãos, Recife, Pernambuco, 52171-900, Brazil
- Rural Federal University of Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, S/N, Dois Irmãos, Recife, Pernambuco, 52171-900, Brazil
| | - Fabiano Matos Vieira
- Federal University of the San Francisco Valley (UNIVASF), Rodovia BR-407, Km. 12 Lote 543 S/n Projeto de Irrigação Nilo Coelho, Petrolina, Pernambuco, 56300-000, Brazil
| | - Leonardo Barros Ribeiro
- Federal University of the San Francisco Valley (UNIVASF), Rodovia BR-407, Km. 12 Lote 543 S/n Projeto de Irrigação Nilo Coelho, Petrolina, Pernambuco, 56300-000, Brazil
| | - Jaqueline Bianque de Oliveira
- Postgraduate Program in Animal Bioscience (PPGBA), Rural Federal University of Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, S/N, Dois Irmãos, Recife, Pernambuco, 52171-900, Brazil
- Rural Federal University of Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, S/N, Dois Irmãos, Recife, Pernambuco, 52171-900, Brazil
- Parasitology Laboratory (LAPAR), Rural Federal University of Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, S/N, Dois Irmãos, Recife, Pernambuco, 52171-900, Brazil
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McCann P, McFarland C, Megaw J, Siu-Ting K, Cantacessi C, Rinaldi G, Gobert GN. Assessing the microbiota of the snail intermediate host of trematodes, Galba truncatula. Parasit Vectors 2024; 17:31. [PMID: 38263069 PMCID: PMC10807216 DOI: 10.1186/s13071-024-06118-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 01/02/2024] [Indexed: 01/25/2024] Open
Abstract
BACKGROUND The microbiome is known to play key roles in health and disease, including host susceptibility to parasite infections. The freshwater snail Galba truncatula is the intermediate host for many trematode species, including the liver and rumen flukes Fasciola hepatica and Calicophoron daubneyi, respectively. The snail-parasite system has previously been investigated. However, the specific interaction between the snail-associated microbiota and intra-snail developmental stages of trematodes has yet to be explored. METHODS Galba truncatula snails were collected from farms in Northern Ireland and trematode infection was diagnosed using PCR. High-throughput sequencing analysis of the bacterial 16S ribosomal DNA V3-V4 hypervariable regions was subsequently applied to characterise the microbiota of both uninfected and infected snails. RESULTS We first showed that the snail harboured microbiota that was distinct for its environment. The microbiota of infected snails was found to differ significantly from that of uninfected snails. In particular, the bacterial genera Mycoplasma and Methylotenera were significantly more abundant in infected snails, while genera Sphingomonas and Nocardioides were predominantly associated with uninfected snails. CONCLUSION These findings pave the way to future studies on the functional roles of bacteria in host-parasite relationships.
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Affiliation(s)
- Peter McCann
- School of Biological Sciences, Queen's University Belfast, Belfast, UK
| | | | - Julianne Megaw
- School of Biological Sciences, Queen's University Belfast, Belfast, UK
| | - Karen Siu-Ting
- School of Biological Sciences, Queen's University Belfast, Belfast, UK
| | - Cinzia Cantacessi
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Gabriel Rinaldi
- Department of Life Sciences, University of Aberystwyth, Aberystwyth, UK
| | - Geoffrey N Gobert
- School of Biological Sciences, Queen's University Belfast, Belfast, UK.
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Mougin J, Pavaux AS, Fanesi A, Lopez J, Pruvost E, Guihéneuf F, Sciandra A, Briandet R, Lopes F. Bacterial adhesion inhibition by microalgal EPSs from Cylindrotheca closterium and Tetraselmis suecica biofilms. Appl Microbiol Biotechnol 2024; 108:168. [PMID: 38261095 DOI: 10.1007/s00253-023-12960-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/20/2023] [Accepted: 10/24/2023] [Indexed: 01/24/2024]
Abstract
In the food industry, successful bacterial pathogen colonization and persistence begin with their adhesion to a surface, followed by the spatial development of mature biofilm of public health concerns. Compromising bacterial settlement with natural inhibitors is a promising alternative to conventional anti-fouling treatments typically based on chemical biocides that contribute to the growing burden of antimicrobial resistance. In this study, three extracellular polymeric substance (EPS) fractions extracted from microalgae biofilms of Cylindrotheca closterium (fraction C) and Tetraselmis suecica (fraction Ta rich in insoluble scale structure and fraction Tb rich in soluble EPS) were screened for their anti-adhesive properties, against eight human food-borne pathogens belonging to Escherichia coli, Staphylococcus aureus, Salmonella enterica subsp. enterica, and Listeria monocytogenes species. The results showed that the fraction Ta was the most effective inducing statistically significant reduction for three strains of E. coli, S. aureus, and L. monocytogenes. Overall, EPSs coating on polystyrene surfaces of the different fractions increased the hydrophilic character of the support. Differences in bacterial adhesion on the different coated surfaces could be explained by several dissimilarities in the structural and physicochemical EPS compositions, according to HPLC and ATR-FTIR analysis. Interestingly, while fractions Ta and Tb were extracted from the same microalgal culture, distinct adhesion patterns were observed, highlighting the importance of the extraction process. Overall, the findings showed that EPS extracted from microalgal photosynthetic biofilms can exhibit anti-adhesive effects against food-borne pathogens and could help develop sustainable and non-toxic anti-adhesive surfaces for the food industry. KEY POINTS: •EPSs from a biofilm-based culture of C. closterium/T. suecica were characterized. •Microalgal EPS extracted from T. suecica biofilms showed bacterial anti-adhesive effects. •The anti-adhesive effect is strain-specific and affects both Gram - and Gram + bacteria.
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Affiliation(s)
- Julia Mougin
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
- Laboratoire Génie Des Procédés Et Matériaux (LGPM), CentraleSupélec, Université Paris-Saclay, 91190, Gif-Sur-Yvette, France
| | - Anne-Sophie Pavaux
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
- Laboratoire Génie Des Procédés Et Matériaux (LGPM), CentraleSupélec, Université Paris-Saclay, 91190, Gif-Sur-Yvette, France
| | - Andrea Fanesi
- Laboratoire Génie Des Procédés Et Matériaux (LGPM), CentraleSupélec, Université Paris-Saclay, 91190, Gif-Sur-Yvette, France
| | - Julien Lopez
- Laboratoire d, Océanographie de Villefranche LOV, CNRS, Sorbonne Université, UMR 7093, BP 28, 06230, Villefranche-Sur-Mer, France
| | - Eric Pruvost
- Laboratoire d, Océanographie de Villefranche LOV, CNRS, Sorbonne Université, UMR 7093, BP 28, 06230, Villefranche-Sur-Mer, France
| | | | - Antoine Sciandra
- Laboratoire d, Océanographie de Villefranche LOV, CNRS, Sorbonne Université, UMR 7093, BP 28, 06230, Villefranche-Sur-Mer, France
| | - Romain Briandet
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France.
| | - Filipa Lopes
- Laboratoire Génie Des Procédés Et Matériaux (LGPM), CentraleSupélec, Université Paris-Saclay, 91190, Gif-Sur-Yvette, France.
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Morot A, Delavat F, Bazire A, Paillard C, Dufour A, Rodrigues S. Genetic Insights into Biofilm Formation by a Pathogenic Strain of Vibrio harveyi. Microorganisms 2024; 12:186. [PMID: 38258011 PMCID: PMC10820411 DOI: 10.3390/microorganisms12010186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
The Vibrio genus includes bacteria widely distributed in aquatic habitats and the infections caused by these bacteria can affect a wide range of hosts. They are able to adhere to numerous surfaces, which can result in biofilm formation that helps maintain them in the environment. The involvement of the biofilm lifestyle in the virulence of Vibrio pathogens of aquatic organisms remains to be investigated. Vibrio harveyi ORM4 is a pathogen responsible for an outbreak in European abalone Haliotis tuberculata populations. In the present study, we used a dynamic biofilm culture technique coupled with laser scanning microscopy to characterize the biofilm formed by V. harveyi ORM4. We furthermore used RNA-seq analysis to examine the global changes in gene expression in biofilm cells compared to planktonic bacteria, and to identify biofilm- and virulence-related genes showing altered expression. A total of 1565 genes were differentially expressed, including genes associated with motility, polysaccharide synthesis, and quorum sensing. The up-regulation of 18 genes associated with the synthesis of the type III secretion system suggests that this virulence factor is induced in V. harveyi ORM4 biofilms, providing indirect evidence of a relationship between biofilm and virulence.
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Affiliation(s)
- Amandine Morot
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 56100 Lorient, France
- Univ Brest, CNRS, IRD, Ifremer, LEMAR, F-29280 Plouzané, France
| | | | - Alexis Bazire
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 56100 Lorient, France
| | | | - Alain Dufour
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 56100 Lorient, France
| | - Sophie Rodrigues
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, 56100 Lorient, France
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Parks M, Lee JS, Camua K, Hollender E. Turtle species and ecology drive carapace microbiome diversity in three seasonally interconnected wetland habitats. Access Microbiol 2024; 6:000682.v3. [PMID: 38361649 PMCID: PMC10866032 DOI: 10.1099/acmi.0.000682.v3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 12/22/2023] [Indexed: 02/17/2024] Open
Abstract
Different species of freshwater turtles exhibit primary behaviours ranging from aerial basking to benthic bottom-walking, cycle between wet and dry conditions at different time intervals, and undertake short-distance overland movements between aquatic habitats. These behaviours in turn may impact the accumulation of microbes on external shell surfaces of turtles and provide novel niches for differentiation of microbial communities. We assessed microbial diversity using 16S and 18S rRNA metabarcoding on carapace surfaces of six species of freshwater turtles residing in three adjacent and seasonally interconnected wetland habitats in southeast Oklahoma (United States). Communities were highly diverse, with nearly 4200 prokaryotic and 500 micro-eukaryotic amplicon sequence variants recovered, and included taxa previously reported as common or differentially abundant on turtle shells. The 16S rRNA alpha diversity tended to be highest for two species of benthic turtles, while 18S rRNA alpha diversity was highest for two basking and one shallow-water benthic species. Beta diversity of communities was more strongly differentiated by turtle species than by collection site, and ordination patterns were largely reflective of turtle species' primary habits (i.e. benthic, basking, or benthic-basking). Our data support that freshwater turtles could play a role in microbial ecology and evolution in freshwater habitats and warrant additional exploration including in areas with high native turtle diversity and inter-habitat turtle movements.
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Affiliation(s)
- Matthew Parks
- Department of Biology, University of Central Oklahoma, 100 N University Drive, Edmond, Oklahoma 73034, USA
| | - Jun Sheng Lee
- Department of Biology, University of Central Oklahoma, 100 N University Drive, Edmond, Oklahoma 73034, USA
- DNA Reference Lab, 5282 Medical Dr. Suite 312, San Antonio, Texas 78229, USA
| | - Kassandra Camua
- Department of Biology, University of Central Oklahoma, 100 N University Drive, Edmond, Oklahoma 73034, USA
| | - Ethan Hollender
- Department of Biological Sciences, 601 Science Engineering Hall, University of Arkansas, Fayetteville, Arkansas 72701, USA
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Roussel S, Coheleach M, Martin S, Day R, Badou A, Huchette S, Dubois P, Servili A, Gaillard F, Auzoux-Bordenave S. From reproductive behaviour to responses to predators: Ocean acidification does not impact the behaviour of an herbivorous marine gastropod. Sci Total Environ 2024; 907:167526. [PMID: 37793449 DOI: 10.1016/j.scitotenv.2023.167526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 09/29/2023] [Accepted: 09/29/2023] [Indexed: 10/06/2023]
Abstract
Ocean acidification (OA), which reduces ocean pH and leads to substantial changes in seawater carbonate chemistry, may strongly impact organisms, especially those with carbonate skeletons. In marine molluscs, while the physiological effects of OA are well known, with a reduction of growth and shell calcification, there are few studies on behavioural effects. A large marine gastropod, Haliotis tuberculata, was exposed to ambient (pHT 8.0) or low pH (pHT 7.7) during a 5-month experiment. Because animal fitness can be affected through various behavioural changes, a broad spectrum of behavioural parameters was investigated, including situations involving no stress, responses to predators, righting to evaluate indirectly the level of energy reserves, and finally, reproductive behaviour. In addition, we measured the expression profile of the GABA A-like and serotonin receptor genes, often described as central neuromodulators of sensory performance and behaviour and known to be affected by OA in molluscs. No significant effect of low pH as compared to ambient pH was observed on abalone behaviour for any of these behavioural traits or gene expressions after either one week or several months of exposure to OA. The significance tests were corroborated by estimating the size of pH effects. The behaviour of this mollusc appears not to be affected by pH decrease expected by the end of the century, suggesting some resilience of the species to OA at the adult stage. This is probably related to the ecological niche of this abalone, where important pH variations can be observed at tidal, diurnal or seasonal scales.
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Affiliation(s)
- Sabine Roussel
- Université de Brest, CNRS, IRD, Ifremer, LEMAR, Plouzané F-29280, France.
| | - Manon Coheleach
- Université de Brest, CNRS, IRD, Ifremer, LEMAR, Plouzané F-29280, France
| | - Sophie Martin
- UMR 7144 "Adaptation et Diversité en Milieu Marin" (AD2M), CNRS/SU, Station Biologique de Roscoff, Roscoff Cedex 29680, France
| | - Rob Day
- School of Biological Sciences, University of Melbourne, Parkville, Vic., Australia
| | - Aicha Badou
- Direction Générale Déléguée à la Recherche, l'Expertise, la Valorisation et l'Enseignement (DGD REVE), Muséum National d'Histoire Naturelle, Station marine de Concarneau, Concarneau 29900, France
| | | | - Philippe Dubois
- Laboratoire de Biologie Marine, Université Libre de Bruxelles, Brussels CP160/15 1050, Belgium
| | - Arianna Servili
- IFREMER, Université de Brest, CNRS, Plouzané IRD, LEMAR, F-29280, France
| | - Fanny Gaillard
- UMR 7144 "Adaptation et Diversité en Milieu Marin" (AD2M), CNRS/SU, Station Biologique de Roscoff, Roscoff Cedex 29680, France
| | - Stéphanie Auzoux-Bordenave
- Laboratoire de Biologie des Organismes et Ecosystèmes Aquatiques" (BOREA), MNHN/CNRS/SU/IRD, Muséum National d'Histoire Naturelle, Station Marine de Concarneau, Concarneau 29900, France
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Itoïz S, Mouronvalle C, Perennou M, Chailler E, Smits M, Derelle E, Metz S, Le Goïc N, Bidault A, de Montaudouin X, Arzul I, Soudant P, Chambouvet A. Co-infection of two eukaryotic pathogens within clam populations in Arcachon Bay. Front Microbiol 2024; 14:1250947. [PMID: 38260876 PMCID: PMC10800547 DOI: 10.3389/fmicb.2023.1250947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 11/27/2023] [Indexed: 01/24/2024] Open
Abstract
The parasitic species Perkinsus olseni (= atlanticus) (Perkinsea, Alveolata) infects a wide range of mollusc species and is responsible for mortality events and economic losses in the aquaculture industry and fisheries worldwide. Thus far, most studies conducted in this field have approached the problem from a "one parasite-one disease" perspective, notably with regards to commercially relevant clam species, while the impact of other Perkinsus species should also be considered as it could play a key role in the disease phenotype and dynamics. Co-infection of P. olseni and P. chesapeaki has already been sporadically described in Manila clam populations in Europe. Here, we describe for the first time the parasitic distribution of two Perkinsus species, P. olseni and P. chesapeaki, in individual clam organs and in five different locations across Arcachon Bay (France), using simultaneous in situ detection by quantitative PCR (qPCR) duplex methodology. We show that P. olseni single-infection largely dominated prevalence (46-84%) with high intensities of infection (7.2 to 8.5 log-nb of copies. g-1of wet tissue of Manila clam) depending on location, suggesting that infection is driven by the abiotic characteristics of stations and physiological states of the host. Conversely, single P. chesapeaki infections were observed in only two sampling stations, Ile aux Oiseaux and Gujan, with low prevalences 2 and 14%, respectively. Interestingly, the co-infection by both Perkinsus spp., ranging in prevalence from 12 to 34%, was distributed across four stations of Arcachon Bay, and was detected in one or two organs maximum. Within these co-infected organs, P. olseni largely dominated the global parasitic load. Hence, the co-infection dynamics between P. olseni and P. chesapeaki may rely on a facilitating role of P. olseni in developing a primary infection which in turn may help P. chesapeaki infect R. philippinarum as a reservoir for a preferred host. This ecological study demonstrates that the detection and quantification of both parasitic species, P. olseni and P. chesapeaki, is essential and timely in resolving cryptic infections and their consequences on individual hosts and clam populations.
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Affiliation(s)
- Sarah Itoïz
- Univ Brest, CNRS, IRD, Ifremer, LEMAR, Plouzané, France
| | - Clara Mouronvalle
- Univ Brest, CNRS, IRD, Ifremer, LEMAR, Plouzané, France
- EPHE, PSL Research University, UPVD, CNRS, USR CRIOBE, Perpignan, France
| | | | - Elisa Chailler
- CNRS, UMR7144 Adaptation et Diversité en Milieu Marin, Ecology of Marine Plankton (ECOMAP), Station Biologique de Roscoff SBR, Sorbonne University, Roscoff, France
| | - Morgan Smits
- Univ Brest, CNRS, IRD, Ifremer, LEMAR, Plouzané, France
| | | | - Sebastian Metz
- CNRS, UMR7144 Adaptation et Diversité en Milieu Marin, Ecology of Marine Plankton (ECOMAP), Station Biologique de Roscoff SBR, Sorbonne University, Roscoff, France
| | - Nelly Le Goïc
- Univ Brest, CNRS, IRD, Ifremer, LEMAR, Plouzané, France
| | | | - Xavier de Montaudouin
- Univ. Bordeaux, CNRS, Bordeaux INP, EPOC, UMR, Station Marine d’Arcachon, Arcachon, France
| | - Isabelle Arzul
- Ifremer, ASIM Adaptation et Santé des Invertébrés Marins, La Tremblade, France
| | | | - Aurélie Chambouvet
- CNRS, UMR7144 Adaptation et Diversité en Milieu Marin, Ecology of Marine Plankton (ECOMAP), Station Biologique de Roscoff SBR, Sorbonne University, Roscoff, France
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Liu HY, Zhu C, Zhu M, Yuan L, Li S, Gu F, Hu P, Chen S, Cai D. Alternatives to antibiotics in pig production: looking through the lens of immunophysiology. Stress Biol 2024; 4:1. [PMID: 38163818 PMCID: PMC10758383 DOI: 10.1007/s44154-023-00134-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 11/02/2023] [Indexed: 01/03/2024]
Abstract
In the livestock production system, the evolution of porcine gut microecology is consistent with the idea of "The Hygiene Hypothesis" in humans. I.e., improved hygiene conditions, reduced exposure to environmental microorganisms in early life, and frequent use of antimicrobial drugs drive immune dysregulation. Meanwhile, the overuse of antibiotics as feed additives for infectious disease prevention and animal growth induces antimicrobial resistance genes in pathogens and spreads related environmental pollutants. It justifies our attempt to review alternatives to antibiotics that can support optimal growth and improve the immunophysiological state of pigs. In the current review, we first described porcine mucosal immunity, followed by discussions of gut microbiota dynamics during the critical weaning period and the impacts brought by antibiotics usage. Evidence of in-feed additives with immuno-modulatory properties highlighting probiotics, prebiotics, and phytobiotics and their cellular and molecular networking are summarized and reviewed. It may provide insights into the immune regulatory mechanisms of antibiotic alternatives and open new avenues for health management in pig production.
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Affiliation(s)
- Hao-Yu Liu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, PR China
- Joint International Research Laboratory of Agricultural & Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, China
| | - Chuyang Zhu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, PR China
| | - Miaonan Zhu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, PR China
| | - Long Yuan
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, PR China
| | - Shicheng Li
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, PR China
| | - Fang Gu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, PR China
| | - Ping Hu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, PR China
| | - Shihao Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, PR China
- Joint International Research Laboratory of Agricultural & Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, China
| | - Demin Cai
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, PR China.
- Joint International Research Laboratory of Agricultural & Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, China.
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Memesh R, Yasir M, Ledder RG, Zowawi H, McBain AJ, Azhar EI. An update on the prevalence of colistin and carbapenem-resistant Gram-negative bacteria in aquaculture: an emerging threat to public health. J Appl Microbiol 2024; 135:lxad288. [PMID: 38059867 DOI: 10.1093/jambio/lxad288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 09/22/2023] [Accepted: 12/05/2023] [Indexed: 12/08/2023]
Abstract
Aquaculture has been recognized as a hotspot for the emergence and spread of antimicrobial resistance genes conferring resistance to clinically important antibiotics. This review gives insights into studies investigating the prevalence of colistin and carbapenem resistance (CCR) among Gram-negative bacilli in aquaculture. Overall, a high incidence of CCR has been reported in aquatic farms in several countries, with CCR being more prevalent among opportunistic human pathogens such as Acinetobacter nosocomialis, Shewanella algae, Photobacterium damselae, Vibrio spp., Aeromonas spp., as well as members of Enterobacteriaceae family. A high proportion of isolates in these studies exhibited wide-spectrum profiles of antimicrobial resistance, highlighting their multidrug-resistance properties (MDR). Several mobile colistin resistance genes (including, mcr-1, mcr-1.1, mcr-2, mcr-2.1, mcr-3, mcr-3.1, mcr-4.1, mcr-4.3, mcr-5.1, mcr-6.1, mcr-7.1, mcr-8.1, and mcr-10.1) and carbapenemase encoding genes (including, blaOXA-48, blaOXA-55, blaNDM, blaKPC, blaIMI, blaAIM, blaVIM, and blaIMP) have been detected in aquatic farms in different countries. The majority of these were carried on MDR Incompatibility (Inc) plasmids including IncA/C, and IncX4, which have been associated with a wide host range of different sources. Thus, there is a risk for the possible spread of resistance genes between fish, their environments, and humans. These findings highlight the need to monitor and regulate the usage of antimicrobials in aquaculture. A multisectoral and transdisciplinary (One Health) approach is urgently needed to reduce the spread of resistant bacteria and/or resistance genes originating in aquaculture and avoid their global reach.
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Affiliation(s)
- Roa Memesh
- School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
- Special Infectious Agents Unit, King Fahd Medical Research Center and Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Muhammad Yasir
- Special Infectious Agents Unit, King Fahd Medical Research Center and Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ruth G Ledder
- School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
| | - Hosam Zowawi
- College of Medicine, King Saud bin Abdul-Aziz University for Health Science (KSAU-HS), Riyadh, Saudi Arabia
- King Abdullah International Medical Research Centre (KAIMRC), Riyadh, Saudi Arabia
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - Andrew J McBain
- School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
| | - Esam I Azhar
- Special Infectious Agents Unit, King Fahd Medical Research Center and Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
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Ben Youssef-Dridi S, Magalhães L, Soares AMVM, Pereira E, Freitas R, Gargouri L. Trace elements assessment in Cerastoderma glaucum from port areas in the Tunisian Mediterranean coast: The influence of parasites on bioaccumulation. Mar Pollut Bull 2024; 198:115831. [PMID: 38056287 DOI: 10.1016/j.marpolbul.2023.115831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 11/13/2023] [Accepted: 11/18/2023] [Indexed: 12/08/2023]
Abstract
In the present study, the seasonal concentration of seven trace elements was investigated in sediment and the cockle Cerastoderma glaucum tissues from two port areas in the North-East and South of Tunisia comparing cockles non-parasitized (NP) and parasitized (P) with digenean parasites. Elements concentration in sediments analyzed in both sites revealed that Zinc (Zn), Chromium (Cr), and Lead (Pb) were the most abundant ones, while Cadmium (Cd) and Mercury (Hg) were less abundant. The bioaccumulation of trace metals and Arsenic (As) in the tissues of cockles seems to be modulated by both the infection state and the parasite species. The relationship between bioaccumulation of metals and As, trematode species and abiotic parameters showed that the availability of certain metals for uptake by P cockles of both sites was influenced by the salinity and temperature of the water. Our results corroborate the possibility of using digenean infecting bivalves in biomonitoring aquatic ecosystems.
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Affiliation(s)
- Soumaya Ben Youssef-Dridi
- Faculty of Sciences of Tunis, Laboratory of Diversity, Management and Conservation of Biological Systems, University of Tunis El Manar, LR18ES06 Tunis, Tunisia.
| | - Luisa Magalhães
- CESAM, Department of Biology, University of Aveiro, Campus Universitario de Santiago, 3810-193 Aveiro, Portugal
| | - Amadeu M V M Soares
- CESAM, Department of Biology, University of Aveiro, Campus Universitario de Santiago, 3810-193 Aveiro, Portugal
| | - Eduarda Pereira
- CESAM, Department of Biology, University of Aveiro, Campus Universitario de Santiago, 3810-193 Aveiro, Portugal
| | - Rosa Freitas
- CESAM, Department of Biology, University of Aveiro, Campus Universitario de Santiago, 3810-193 Aveiro, Portugal
| | - Lamia Gargouri
- Faculty of Sciences of Tunis, Laboratory of Diversity, Management and Conservation of Biological Systems, University of Tunis El Manar, LR18ES06 Tunis, Tunisia
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Trevisan R, Mello DF. Redox control of antioxidants, metabolism, immunity, and development at the core of stress adaptation of the oyster Crassostrea gigas to the dynamic intertidal environment. Free Radic Biol Med 2024; 210:85-106. [PMID: 37952585 DOI: 10.1016/j.freeradbiomed.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 10/30/2023] [Accepted: 11/07/2023] [Indexed: 11/14/2023]
Abstract
This review uses the marine bivalve Crassostrea gigas to highlight redox reactions and control systems in species living in dynamic intertidal environments. Intertidal species face daily and seasonal environmental variability, including temperature, oxygen, salinity, and nutritional changes. Increasing anthropogenic pressure can bring pollutants and pathogens as additional stressors. Surprisingly, C. gigas demonstrates impressive adaptability to most of these challenges. We explore how ROS production, antioxidant protection, redox signaling, and metabolic adjustments can shed light on how redox biology supports oyster survival in harsh conditions. The review provides (i) a brief summary of shared redox sensing processes in metazoan; (ii) an overview of unique characteristics of the C. gigas intertidal habitat and the suitability of this species as a model organism; (iii) insights into the redox biology of C. gigas, including ROS sources, signaling pathways, ROS-scavenging systems, and thiol-containing proteins; and examples of (iv) hot topics that are underdeveloped in bivalve research linking redox biology with immunometabolism, physioxia, and development. Given its plasticity to environmental changes, C. gigas is a valuable model for studying the role of redox biology in the adaptation to harsh habitats, potentially providing novel insights for basic and applied studies in marine and comparative biochemistry and physiology.
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Affiliation(s)
- Rafael Trevisan
- Univ Brest, Ifremer, CNRS, IRD, UMR 6539, LEMAR, Plouzané, 29280, France
| | - Danielle F Mello
- Univ Brest, Ifremer, CNRS, IRD, UMR 6539, LEMAR, Plouzané, 29280, France.
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Li Y, Lian X, Yang W, Leng J, Sun J, Liu Y, Fan S, Wang L, Song L. A novel DM9-containing protein 7 involved in regulating the expression of CgMyD88 and CgIL-17 in oyster Crassostrea gigas. Dev Comp Immunol 2024; 150:105076. [PMID: 37802234 DOI: 10.1016/j.dci.2023.105076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 10/01/2023] [Accepted: 10/04/2023] [Indexed: 10/08/2023]
Abstract
The DM9-containing proteins have been identified as pattern recognition receptors (PRRs) to recognize invading pathogens and subsequently mediate downstream signal pathways, playing essential roles in innate immune responses of molluscs. In the present study, a novel DM9-containing protein (named as CgDM9CP-7) was identified from Pacific oyster Crassostrea gigas, which contained two tandem DM9 repeats similar to the previously identified CgDM9CPs. The mRNA transcripts of CgDM9CP-7 were found to be constitutively expressed in all the tested tissues including haemolymph, gill, hepatopancreas, mantle, adductor muscle and labial palp. The expression level of CgDM9CP-7 mRNA in haemocytes significantly up-regulated at 3 and 6 h after Vibrio splendidus stimulation, which was 5.67-fold (p < 0.01) and 4.71-fold (p < 0.05) of that in the control group, respectively, and it also increased significantly at 6 h (3.08-fold, p < 0.01) post lipopolysaccharide (LPS) stimulation. The protein of CgDM9CP-7 was mainly detected in membrane and cytoplasm of oyster haemocytes after V. splendidus stimulation. The recombinant CgDM9CP-7 protein (rCgDM9CP-7) displayed binding activities to MAN, LPS, PGN, Poly (I:C) as well as gram-negative bacteria (V. splendidus and Escherichia coli), gram-positive bacteria (Staphylococcus aureus and Micrococcus luteus) and fungi (Pichia pastoris and Yarrowia lipolytica). rCgDM9CP-7 was able to agglutinate Bacillus subtilis, V. splendidus, E. coli and S. aureus, inhibit their growth, and bind the recombinant protein CgMyd88-2 (KD = 5.98 × 10-6 M) and CgMyd88s (KD = 8.5 × 10-7 M) in vitro as well. The transcripts of CgIL17-1 (0.45-fold of the control group, p < 0.01), CgIL17-2 (0.19-fold, p < 0.05), CgIL17-3 (0.54-fold, p < 0.05), CgIL17-5 (0.36-fold, p < 0.05) and CgIL17-6 (0.24-fold, p < 0.01) in CgDM9CP-7-siRNA oysters decreased significantly at 6 h after V. splendidus stimulation. These results collectively indicated that CgDM9CP-7 was involved in the regulation of CgMyD88 and CgIL-17 expression in the immune response of oyster.
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Affiliation(s)
- Yinan Li
- College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China; Southern Laboratory of Ocean Science and Engineering, Guangdong, Zhuhai, 519000, China; Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Xingye Lian
- College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Wenwen Yang
- College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Jinyuan Leng
- College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Jiejie Sun
- Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Yu Liu
- Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Siqi Fan
- Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Lingling Wang
- College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China; Southern Laboratory of Ocean Science and Engineering, Guangdong, Zhuhai, 519000, China; Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Linsheng Song
- College of Life Sciences, Liaoning Normal University, Dalian, 116029, Liaoning, China; Southern Laboratory of Ocean Science and Engineering, Guangdong, Zhuhai, 519000, China; Laboratory of Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology & Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China.
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Sharma SS, Venter L, Frost EJ, Alfaro AC, Ragg NLC, Zamora LN. Behavioural and physiological responses of juvenile geoduck (Panopea zelandica) following acute thermal stress. Comp Biochem Physiol B Biochem Mol Biol 2024; 269:110892. [PMID: 37573964 DOI: 10.1016/j.cbpb.2023.110892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/04/2023] [Accepted: 08/10/2023] [Indexed: 08/15/2023]
Abstract
Climate extremes, such as heatwaves, are expected to become more intense and of longer duration in the near future. These climatic conditions may have a significant impact on the prospects of establishing a new aquaculture industry for the endemic New Zealand geoduck, Panopea zelandica. This study focused on characterising animal behaviour, haemocytes , and heat shock protein (HSP70 & HSP90) mRNA expression following exposure to elevated temperatures, such as those encountered during marine heatwaves around 20 °C and an extreme scenario of 25 °C, contrasted to an ambient temperature of 17 °C. After 24 h of heat challenge, P. zelandica were found to be significantly influenced by the thermal changes, as there were differences recorded in all the responses examined. With increasing temperatures, juvenile geoduck were observed to fully emerge from the sediment a behaviour that has not previously been quantified nor associated with stress in this species. The ability of P. zelandica juveniles to re-bury still warrants further investigation, as adults are unable to do so. Haemocyte analyses revealed an increase in the abundance of granulocytes, cellular aggregations, and size of these aggregations at the highest temperature exposure. Increased expression of the hsp70 gene in the haemolymph after exposure at 25 °C for 24 h was detected and attributed to attempts to mitigate protein denaturation caused by thermal stress. The inter-individual variability in the response of heat shock proteins recorded could aid in future selective breeding programs if it is reflected in net thermotolerance. P. zelandica shows great potential for growing in subtidal habitats around New Zealand, and this study highlights the importance of temperature considerations when selecting potential farm and reseeding locations.
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Affiliation(s)
- Shaneel S Sharma
- Aquaculture Biotechnology Research Group, Department of Environmental Science, School of Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand
| | - Leonie Venter
- Aquaculture Biotechnology Research Group, Department of Environmental Science, School of Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand
| | - Emily J Frost
- Aquaculture Biotechnology Research Group, Department of Environmental Science, School of Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand
| | - Andrea C Alfaro
- Aquaculture Biotechnology Research Group, Department of Environmental Science, School of Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand.
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Lozano-Bilbao E, Jurado-Ruzafa A, Lorenzo JM, González JA, Hardisson A, González-Weller D, Paz S, Rubio C, Gutiérrez ÁJ. A Comparative Analysis of Sparisoma cretense in Island Environments: Unraveling Metal Accumulation Differences in the Canary Islands (Spain, NW African Waters). Animals (Basel) 2023; 13:3787. [PMID: 38136824 PMCID: PMC10740405 DOI: 10.3390/ani13243787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 11/28/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
This study investigates the impact of varying environmental conditions on the metal composition within the tissues of Sparisoma cretense, contributing to the understanding necessary to offer scientifically sound advice regarding the health status of this species. This knowledge extends beyond fishery production, encompassing implications for food security. The data span the years 2022 and 2023, encompassing both cold and warm climatic seasons. The concentrations of various metals, such as Al, Zn, Cd, Pb, Fe, and Cu, exhibited noteworthy variations across the islands, with significant increases recorded in 2023, particularly during the warm season. The intricate interplay between multiple factors shaped the availability of the analyzed elements in S. cretense. Factors such as rising temperatures during the warm season increased biological activity in marine ecosystems, seasonal fluctuations in weather conditions, water quality, and anthropogenic influences, all contributing to the observed variations in metal concentrations. Additionally, the geological composition of each island and the patterns of marine currents and sediment transport play pivotal roles in these differences. Comprehensive scientific research, monitoring, and environmental surveillance are essential for a holistic understanding of this variability and providing valuable insights for the conservation and management of marine ecosystems in the Canary archipelago.
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Affiliation(s)
- Enrique Lozano-Bilbao
- Grupo Interuniversitario de Toxicología Ambiental y Seguridad de los Alimentos y Medicamentos, Facultad de Medicina, Universidad de La Laguna (ULL), 38071 Santa Cruz de Tenerife, Spain; (A.H.); (D.G.-W.); (S.P.); (C.R.); (Á.J.G.)
- Grupo de Investigación en Ecología Marina Aplicada y Pesquerías (EMAP), Instituto de Investigación de Estudios Ambientales y Recursos Naturales (i-UNAT), Universidad de Las Palmas de Gran Canaria, Campus de Tafira, Las Palmas de Gran Canaria, 35017 Las Palmas, Spain; (J.M.L.); (J.A.G.)
| | - Alba Jurado-Ruzafa
- Instituto Español de Oceanografía, Centro Oceanográfico de Canarias, 38180 Santa Cruz de Tenerife, Spain;
| | - José M. Lorenzo
- Grupo de Investigación en Ecología Marina Aplicada y Pesquerías (EMAP), Instituto de Investigación de Estudios Ambientales y Recursos Naturales (i-UNAT), Universidad de Las Palmas de Gran Canaria, Campus de Tafira, Las Palmas de Gran Canaria, 35017 Las Palmas, Spain; (J.M.L.); (J.A.G.)
| | - José A. González
- Grupo de Investigación en Ecología Marina Aplicada y Pesquerías (EMAP), Instituto de Investigación de Estudios Ambientales y Recursos Naturales (i-UNAT), Universidad de Las Palmas de Gran Canaria, Campus de Tafira, Las Palmas de Gran Canaria, 35017 Las Palmas, Spain; (J.M.L.); (J.A.G.)
| | - Arturo Hardisson
- Grupo Interuniversitario de Toxicología Ambiental y Seguridad de los Alimentos y Medicamentos, Facultad de Medicina, Universidad de La Laguna (ULL), 38071 Santa Cruz de Tenerife, Spain; (A.H.); (D.G.-W.); (S.P.); (C.R.); (Á.J.G.)
| | - Dailos González-Weller
- Grupo Interuniversitario de Toxicología Ambiental y Seguridad de los Alimentos y Medicamentos, Facultad de Medicina, Universidad de La Laguna (ULL), 38071 Santa Cruz de Tenerife, Spain; (A.H.); (D.G.-W.); (S.P.); (C.R.); (Á.J.G.)
- Servicio Público Canario de Salud, Laboratorio Central, 38006 Santa Cruz de Tenerife, Spain
| | - Soraya Paz
- Grupo Interuniversitario de Toxicología Ambiental y Seguridad de los Alimentos y Medicamentos, Facultad de Medicina, Universidad de La Laguna (ULL), 38071 Santa Cruz de Tenerife, Spain; (A.H.); (D.G.-W.); (S.P.); (C.R.); (Á.J.G.)
| | - Carmen Rubio
- Grupo Interuniversitario de Toxicología Ambiental y Seguridad de los Alimentos y Medicamentos, Facultad de Medicina, Universidad de La Laguna (ULL), 38071 Santa Cruz de Tenerife, Spain; (A.H.); (D.G.-W.); (S.P.); (C.R.); (Á.J.G.)
| | - Ángel J. Gutiérrez
- Grupo Interuniversitario de Toxicología Ambiental y Seguridad de los Alimentos y Medicamentos, Facultad de Medicina, Universidad de La Laguna (ULL), 38071 Santa Cruz de Tenerife, Spain; (A.H.); (D.G.-W.); (S.P.); (C.R.); (Á.J.G.)
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Coba-Males MA, Medrano-Vizcaíno P, Enríquez S, Brito-Zapata D, Martin-Solano S, Ocaña-Mayorga S, Carrillo-Bilbao GA, Narváez W, Salas JA, Arrivillaga-Henríquez J, González-Suárez M, Poveda A. From roads to biobanks: Roadkill animals as a valuable source of genetic data. PLoS One 2023; 18:e0290836. [PMID: 38060478 PMCID: PMC10703236 DOI: 10.1371/journal.pone.0290836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 08/15/2023] [Indexed: 12/18/2023] Open
Abstract
To protect biodiversity we must understand its structure and composition including the bacteria and microparasites associated with wildlife, which may pose risks to human health. However, acquiring this knowledge often presents challenges, particularly in areas of high biodiversity where there are many undescribed and poorly studied species and funding resources can be limited. A solution to fill this knowledge gap is sampling roadkill (animals that die on roads as a result of collisions with circulating vehicles). These specimens can help characterize local wildlife and their associated parasites with fewer ethical and logistical challenges compared to traditional specimen collection. Here we test this approach by analyzing 817 tissue samples obtained from 590 roadkill vertebrate specimens (Amphibia, Reptilia, Aves and Mammalia) collected in roads within the Tropical Andes of Ecuador. First, we tested if the quantity and quality of recovered DNA varied across roadkill specimens collected at different times since death, exploring if decomposition affected the potential to identify vertebrate species and associated microorganisms. Second, we compared DNA stability across taxa and tissues to identify potential limitations and offer recommendations for future work. Finally, we illustrate how these samples can aid in taxonomic identification and parasite detection. Our study shows that sampling roadkill can help study biodiversity. DNA was recovered and amplified (allowing species identification and parasite detection) from roadkill even 120 hours after death, although risk of degradation increased overtime. DNA was extracted from all vertebrate classes but in smaller quantities and with lower quality from amphibians. We recommend sampling liver if possible as it produced the highest amounts of DNA (muscle produced the lowest). Additional testing of this approach in areas with different environmental and traffic conditions is needed, but our results show that sampling roadkill specimens can help detect and potentially monitor biodiversity and could be a valuable approach to create biobanks and preserve genetic data.
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Affiliation(s)
- Manuel Alejandro Coba-Males
- Grupo de Investigación en Biodiversidad, Zoonosis y Salud Pública (GIBCIZ), Instituto de Investigación en Zoonosis (CIZ), Facultad de Ciencias Químicas (FCQ), Universidad Central del Ecuador, Quito, Ecuador
| | - Pablo Medrano-Vizcaíno
- Ecology and Evolutionary Biology, School of Biological Sciences, University of Reading, Reading, United Kingdom
- Universidad Regional Amazónica IKIAM, Grupo de Investigación Población y Ambiente, Tena, Ecuador
- Red Ecuatoriana para el Monitoreo de Fauna Atropellada-REMFA, Quito, Ecuador
| | - Sandra Enríquez
- Grupo de Investigación en Biodiversidad, Zoonosis y Salud Pública (GIBCIZ), Instituto de Investigación en Zoonosis (CIZ), Facultad de Ciencias Químicas (FCQ), Universidad Central del Ecuador, Quito, Ecuador
| | - David Brito-Zapata
- Red Ecuatoriana para el Monitoreo de Fauna Atropellada-REMFA, Quito, Ecuador
- Instituto iBIOTROP, Museo de Zoología & Laboratorio de Zoología Terrestre, Universidad San Francisco de Quito USFQ, Quito, Ecuador
| | - Sarah Martin-Solano
- Grupo de Investigación en Sanidad Animal y Humana (GISAH), Carrera Ingeniería en Biotecnología, Departamento de Ciencias de la Vida y la Agricultura, Universidad de las Fuerzas Armadas—ESPE, Sangolquí, Ecuador
| | - Sofía Ocaña-Mayorga
- Centro de Investigación para la Salud en América Latina, Facultad de Ciencias Exactas y Naturales, Pontificia Universidad Católica del Ecuador, Quito, Ecuador
| | - Gabriel Alberto Carrillo-Bilbao
- Grupo de Investigación en Biodiversidad, Zoonosis y Salud Pública (GIBCIZ), Instituto de Investigación en Zoonosis (CIZ), Facultad de Ciencias Químicas (FCQ), Universidad Central del Ecuador, Quito, Ecuador
| | - Wilmer Narváez
- Grupo de Investigación en Biodiversidad, Zoonosis y Salud Pública (GIBCIZ), Instituto de Investigación en Zoonosis (CIZ), Facultad de Ciencias Químicas (FCQ), Universidad Central del Ecuador, Quito, Ecuador
| | - Jaime Antonio Salas
- Facultad de Ciencias Naturales, Carrera de Biología, Universidad de Guayaquil, Guayaquil, Ecuador
| | - Jazzmín Arrivillaga-Henríquez
- Grupo de Investigación en Biodiversidad, Zoonosis y Salud Pública (GIBCIZ), Instituto de Investigación en Zoonosis (CIZ), Facultad de Ciencias Químicas (FCQ), Universidad Central del Ecuador, Quito, Ecuador
| | - Manuela González-Suárez
- Ecology and Evolutionary Biology, School of Biological Sciences, University of Reading, Reading, United Kingdom
| | - Ana Poveda
- Grupo de Investigación en Biodiversidad, Zoonosis y Salud Pública (GIBCIZ), Instituto de Investigación en Zoonosis (CIZ), Facultad de Ciencias Químicas (FCQ), Universidad Central del Ecuador, Quito, Ecuador
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Rayfield KM, Mychajliw AM, Singleton RR, Sholts SB, Hofman CA. Uncovering the Holocene roots of contemporary disease-scapes: bringing archaeology into One Health. Proc Biol Sci 2023; 290:20230525. [PMID: 38052246 DOI: 10.1098/rspb.2023.0525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 11/06/2023] [Indexed: 12/07/2023] Open
Abstract
The accelerating pace of emerging zoonotic diseases in the twenty-first century has motivated cross-disciplinary collaboration on One Health approaches, combining microbiology, veterinary and environmental sciences, and epidemiology for outbreak prevention and mitigation. Such outbreaks are often caused by spillovers attributed to human activities that encroach on wildlife habitats and ecosystems, such as land use change, industrialized food production, urbanization and animal trade. While the origin of anthropogenic effects on animal ecology and biogeography can be traced to the Late Pleistocene, the archaeological record-a long-term archive of human-animal-environmental interactions-has largely been untapped in these One Health approaches, thus limiting our understanding of these dynamics over time. In this review, we examine how humans, as niche constructors, have facilitated new host species and 'disease-scapes' from the Late Pleistocene to the Anthropocene, by viewing zooarchaeological, bioarchaeological and palaeoecological data with a One Health perspective. We also highlight how new biomolecular tools and advances in the '-omics' can be holistically coupled with archaeological and palaeoecological reconstructions in the service of studying zoonotic disease emergence and re-emergence.
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Affiliation(s)
- Kristen M Rayfield
- Department of Ecology and Evolution, Stony Brook University, Stony Brook, NY, USA
- Laboratories of Molecular Anthropology & Microbiome Research, University of Oklahoma, Norman, OK, USA
- Department of Anthropology, University of Oklahoma, Norman, OK 73019-0390, USA
- Department of Anthropology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA
| | - Alexis M Mychajliw
- Laboratories of Molecular Anthropology & Microbiome Research, University of Oklahoma, Norman, OK, USA
- Department of Anthropology, University of Oklahoma, Norman, OK 73019-0390, USA
- Department of Anthropology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA
- Department of Biology & Program in Environmental Studies, Middlebury College, Middlebury, VT 05753-6203, USA
| | - Robin R Singleton
- Laboratories of Molecular Anthropology & Microbiome Research, University of Oklahoma, Norman, OK, USA
- Department of Anthropology, University of Oklahoma, Norman, OK 73019-0390, USA
| | - Sabrina B Sholts
- Department of Anthropology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA
| | - Courtney A Hofman
- Laboratories of Molecular Anthropology & Microbiome Research, University of Oklahoma, Norman, OK, USA
- Department of Anthropology, University of Oklahoma, Norman, OK 73019-0390, USA
- Department of Anthropology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA
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Luo Y, Wang WX. Lysosomal Cu(I)/Cu(II) Dependence of Antimicrobial Ability of Oyster Hemocytes and Regulation of Phagolysosomal System. Environ Sci Technol 2023; 57:20219-20227. [PMID: 37955256 DOI: 10.1021/acs.est.3c06627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Copper (Cu) is hyperaccumulated in oyster hemocytes and is an essential trace metal indispensable for diverse innate immune functions. However, the roles of Cu in oyster immune defense are still unclear. In this study, Cu exposure enhanced the phagocytosis of zymosan by increasing the number and length of filopodia, as well as mitochondrial ROS (mitoROS) production mainly in granulocytes, followed by semigranulocytes and agranulocytes. The intracellular calcium level increased to promote the phagosome-lysosome fusion after Cu exposure. The enhancement of phagosomal acidification and mitochondrion-phagosome juxtaposition were also found in granulocytes after Cu exposure. These results indicated that Cu could regulate the phagolysosomal system to enhance the antimicrobial ability of oyster hemocytes with the assistance of mitoROS. Furthermore, Cu(I) and Cu(II) were predominately located in lysosomes, and degranulation may provide a mechanism for exposing Cu to bacteria to prevent their survival and proliferation. Specifically, we showed that the newly formed Cu(I) arising from lysosomal Cu(II) moved to lysosomes and mitochondria in activated hemocytes to induce strong immune responses. The ability of the transformation of Cu(I) from Cu(II) followed granulocytes > semigranlocytes > agranulocytes, indicating that granulocytes played important roles in immune functions of oysters. Our results provided new insights into the understanding of antimicrobial effects of Cu in oyster hemocytes.
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Affiliation(s)
- Yali Luo
- School of Energy and Environment and State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China
| | - Wen-Xiong Wang
- School of Energy and Environment and State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China
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50
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Zheng YD, Huang BW, Zhang X, Liu CF, Xin LS, Wang CM, Bai CM. The Probiotic Bacillus hwajinpoensis Colonizes the Digestive System of Crassostrea gigas Larvae and Protects Them from Vibrio alginolyticus Infection. Microorganisms 2023; 11:2918. [PMID: 38138062 PMCID: PMC10745402 DOI: 10.3390/microorganisms11122918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/25/2023] [Accepted: 11/27/2023] [Indexed: 12/24/2023] Open
Abstract
The Pacific oyster Crassostrea gigas is one of the most important cultured marine species around the world. Production of Pacific oysters in China has depended primarily on hatchery produced seeds since 2016, with the successful introduction and development of triploid oysters. However, the seed supply of Pacific oysters is threatened by recurring mass mortality events in recent years. Vibriosis is the most commonly encountered disease associated with intensive oyster culture in hatcheries and nurseries. Vibrio alginolyticus and Bacillus hwajinpoensis were the two strains with pathogenic and probiotic effects, respectively, identified during the Pacific oyster larvae production. To monitor their colonization process in Pacific oyster larvae, green fluorescent protein (GFP) and red fluorescent protein (RFP) were labeled to the pathogenic V. alginolyticus and the probiotic B. hwajinpoensis stain, respectively. The pathogenic and probiotic effects of the two strains during the colonization process were then assessed. Stabile expression of GFP and RFP were observed in corresponding stains, and the capabilities of growth, biofilm formation and in vitro adhesion of GFP- and RFP- tagged stains were not significantly different from those of the wild-type strains. Usage of probiotics of 105 CFU/mL significantly inhibited the growth of pathogenic V. alginolyticus and reduced the mortality of D-sharped larvae. Both the pathogenic and probiotic strains employed a similar route to enter and colonize the oyster larvae, which indicates that competing with pathogens for binding and spreading sites were one of the mechanisms of B. hwajinpoensis to provide the probiotic effects to oyster larvae. In summary, employment of fluorescence-tagged pathogenic and probiotic strains simultaneously provides us with an excellent bioassay model to investigate the potential mechanisms of probiotics.
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Affiliation(s)
- Yu-Dong Zheng
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; (Y.-D.Z.); (B.-W.H.); (X.Z.); (C.-F.L.); (L.-S.X.); (C.-M.W.)
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Bo-Wen Huang
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; (Y.-D.Z.); (B.-W.H.); (X.Z.); (C.-F.L.); (L.-S.X.); (C.-M.W.)
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Key Laboratory of Maricultural Organism Disease Control, Qingdao Key Laboratory of Mariculture Epidemiology and Biosecurity, Ministry of Agriculture, Qingdao 266071, China
| | - Xiang Zhang
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; (Y.-D.Z.); (B.-W.H.); (X.Z.); (C.-F.L.); (L.-S.X.); (C.-M.W.)
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Chen-Feng Liu
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; (Y.-D.Z.); (B.-W.H.); (X.Z.); (C.-F.L.); (L.-S.X.); (C.-M.W.)
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Lu-Sheng Xin
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; (Y.-D.Z.); (B.-W.H.); (X.Z.); (C.-F.L.); (L.-S.X.); (C.-M.W.)
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Key Laboratory of Maricultural Organism Disease Control, Qingdao Key Laboratory of Mariculture Epidemiology and Biosecurity, Ministry of Agriculture, Qingdao 266071, China
| | - Chong-Ming Wang
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; (Y.-D.Z.); (B.-W.H.); (X.Z.); (C.-F.L.); (L.-S.X.); (C.-M.W.)
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Key Laboratory of Maricultural Organism Disease Control, Qingdao Key Laboratory of Mariculture Epidemiology and Biosecurity, Ministry of Agriculture, Qingdao 266071, China
| | - Chang-Ming Bai
- State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; (Y.-D.Z.); (B.-W.H.); (X.Z.); (C.-F.L.); (L.-S.X.); (C.-M.W.)
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Key Laboratory of Maricultural Organism Disease Control, Qingdao Key Laboratory of Mariculture Epidemiology and Biosecurity, Ministry of Agriculture, Qingdao 266071, China
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