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García-Márquez J, Álvarez-Torres D, Cerezo IM, Domínguez-Maqueda M, Figueroa FL, Alarcón FJ, Acién G, Martínez-Manzanares E, Abdala-Díaz RT, Béjar J, Arijo S. Combined Dietary Administration of Chlorella fusca and Ethanol-Inactivated Vibrio proteolyticus Modulates Intestinal Microbiota and Gene Expression in Chelon labrosus. Animals (Basel) 2023; 13:3325. [PMID: 37958080 PMCID: PMC10648860 DOI: 10.3390/ani13213325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
The use of functional feeds in aquaculture is currently increasing. This study aimed to assess the combined impact of dietary green microalgae Chlorella fusca and ethanol-inactivated Vibrio proteolyticus DCF12.2 (CVP diet) on thick-lipped grey mullet (Chelon labrosus) juvenile fish. The effects on intestinal microbiota and the transcription of genes related to metabolism, stress, and the immune system were investigated after 90 days of feeding. Additionally, the fish were challenged with Aeromonas hydrophila and polyinosinic-polycytidylic acid (poly I:C) to evaluate the immune response. Microbiota analysis revealed no significant differences in alpha and beta diversity between the anterior and posterior intestinal sections of fish fed the control (CT) and CVP diets. The dominant genera varied between the groups; Pseudomonas and Brevinema were most abundant in the CVP group, whereas Brevinema, Cetobacterium, and Pseudomonas were predominant in the CT group. However, microbial functionality remained unaltered. Gene expression analysis indicated notable changes in hif3α, mhcII, abcb1, mx, and tnfα genes in different fish organs on the CVP diet. In the head kidney, gene expression variations were observed following challenges with A. hydrophila or poly I:C, with higher peak values seen in fish injected with poly I:C. Moreover, c3 mRNA levels were significantly up-regulated in the CVP group 72 h post-A. hydrophila challenge. To conclude, incorporating C. fusca with V. proteolyticus in C. labrosus diet affected the microbial species composition in the intestine while preserving its functionality. In terms of gene expression, the combined diet effectively regulated the transcription of stress and immune-related genes, suggesting potential enhancement of fish resistance against stress and infections.
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Affiliation(s)
- Jorge García-Márquez
- Departamento de Microbiología, Facultad de Ciencias, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
| | - Daniel Álvarez-Torres
- Centro Experimental Grice Hutchinson, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
| | - Isabel M. Cerezo
- Departamento de Microbiología, Facultad de Ciencias, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
- Unidad de Bioinformática–SCBI, Parque Tecnológico, Universidad de Málaga, 29590 Málaga, Spain
| | - Marta Domínguez-Maqueda
- Departamento de Microbiología, Facultad de Ciencias, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
| | - Félix L. Figueroa
- Centro Experimental Grice Hutchinson, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
| | - Francisco Javier Alarcón
- Departamento de Biología y Geología, Universidad de Almería, Ceimar-Universidad de Almería, 04120 Almería, Spain
| | - Gabriel Acién
- Departamento de Ingeniería Química, Universidad de Almería, Ceimar-Universidad de Almería, 04120 Almería, Spain
| | - Eduardo Martínez-Manzanares
- Departamento de Microbiología, Facultad de Ciencias, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
| | - Roberto T. Abdala-Díaz
- Departamento de Ecología y Geología, Facultad de Ciencias, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
| | - Julia Béjar
- Departamento de Biología Celular, Genética y Fisiología, Facultad de Ciencias, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
| | - Salvador Arijo
- Departamento de Microbiología, Facultad de Ciencias, Instituto Andaluz de Biotecnología y Desarrollo Azul (IBYDA), Universidad de Málaga, Ceimar-Universidad de Málaga, 29071 Málaga, Spain
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El-Sayed MR, Emam AM, Osman AE, Abd El-Galil MAEAA, Sayed HH. Detection and description of a novel Psychrobacter glacincola infection in some Red Sea marine fishes in Hurghada, Egypt. BMC Vet Res 2023; 19:23. [PMID: 36717850 PMCID: PMC9885648 DOI: 10.1186/s12917-022-03542-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 12/05/2022] [Indexed: 01/31/2023] Open
Abstract
An important food-producing sector in Egypt is aquaculture and fisheries; however, several pathogenic microorganisms lead to high mortalities and significant economic losses. The occurrence of Psychrobacter glacincola infection among 180 wild marine fishes collected from the Red sea at Hurghada, Egypt were investigated in the present study. The disease prevalence rate was 6.7%. The recovered isolates were subjected to biochemical and molecular identification. The study also investigated pathogenicity and the antibiogram profile of the recovered isolates. The clinical examination of the infected fish revealed various signs that included lethargy and sluggish movement, hemorrhages and ulcers on the body and the operculum, scale loss, and fin congestion and rot, especially at the tail fin. Furthermore, during postmortem examination, congestion of the liver, spleen, and kidney was observed. Interestingly, 12 isolates were recovered and were homogenous bacteriologically and biochemically. The phylogenetic analysis based on 16S rRNA gene confirmed that MRB62 identified strain was closely related the genus Psychrobacter and identified as P. glacincola and was pathogenic to Rhabdosargus haffara fish, causing 23.3% mortality combined with reporting a series of clinical signs similar to that found in naturally infected fishes. The present study also showed that P. glacincola isolates were sensitive to all antibiotics used for sensitivity testing. Our findings add to the body of knowledge regarding the occurrence of pathogenic P. glacincola infection in Egyptian marine fishes and its potential effects on fish. Future large-scale surveys exploring this bacterium among other freshwater and marine fishes in Egypt would be helpful for the implementation of effective strategies for the prevention and control of this infection are warranted.
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Affiliation(s)
- Mohamed Raafat El-Sayed
- Department of Fish Diseases and Management, Faculty of Veterinary Medicine, Sohag University, Sohag, Egypt.
| | - Arafah M Emam
- National Institute of Oceanography and Fisheries, NIOF, Cairo, Egypt
| | - Ahmed Elsayed Osman
- Department of Biochemistry, Faculty of Veterinary Medicine, Sohag University, Sohag, Egypt
| | | | - Haitham Helmy Sayed
- Department of Microbiology, Faculty of Veterinary Medicine, Sohag University, Sohag, Egypt
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Chai L, Jabbie IS, Chen A, Jiang L, Li M, Rao H. Effects of waterborne Pb/Cu mixture on Chinese toad, Bufo gargarizans tadpoles: morphological, histological, and intestinal microbiota assessment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:90656-90670. [PMID: 35871197 DOI: 10.1007/s11356-022-22143-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 07/18/2022] [Indexed: 06/15/2023]
Abstract
Coexistence of heavy metals in aquatic environments exert complex effects on amphibians. Here, the adverse effects of Pb (0.14 μM) combined with Cu at concentrations of 0, 0.25, and 1.0 μM were investigated in Bufo gargarizans tadpoles. Tadpoles were chronically exposed from Gosner stage (Gs) 26 to Gs 38, and morphology of tadpoles as well as intestinal histology and bacterial community were assessed. Our results indicated that Pb+Cu1.0 exposure induced significant retardation of somatic mass, total length, intestine mass, and intestine length as well as intestinal histological alterations. Pb+Cu0.25 and Pb+Cu1.0 exposure were associated with the loss of gut bacterial diversity. Proteobacteria and Bacteroidetes were two dominant phyla in tadpoles independently of heavy metal exposure, but the abundance of Proteobacteria increased significantly in Pb+Cu1.0 group and Bacteroidetes decreased significantly in all treatment groups. Furthermore, functional prediction indicated that metabolic disorders were associated with Pb+Cu0.25 and Pb+Cu1.0 exposure. Overall, relative limited shifts in intestinal bacterial diversity, composition, and functionality caused by Pb+Cu0 exposure, while coexistence of Pb and Cu induced gut dysbiosis and might further cause disturbance of metabolic homeostasis. The findings of this study provide insights into the effects of Pb and Cu coexistence on the health of amphibians.
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Affiliation(s)
- Lihong Chai
- School of Water and Environment, Chang'an University, Xi'an, 710054, People's Republic of China.
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an, 710054, China.
| | - Ibrahim Sory Jabbie
- School of Water and Environment, Chang'an University, Xi'an, 710054, People's Republic of China
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an, 710054, China
| | - Aixia Chen
- School of Water and Environment, Chang'an University, Xi'an, 710054, People's Republic of China
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an, 710054, China
| | - Ling Jiang
- School of Water and Environment, Chang'an University, Xi'an, 710054, People's Republic of China
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an, 710054, China
| | - Mengfan Li
- School of Water and Environment, Chang'an University, Xi'an, 710054, People's Republic of China
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an, 710054, China
| | - Huihui Rao
- School of Water and Environment, Chang'an University, Xi'an, 710054, People's Republic of China
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an, 710054, China
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Nakatani H, Yamada N, Hashimoto N, Okazaki F, Arakawa T, Tamaru Y, Hori K. Perturbation by Antimicrobial Bacteria of the Epidermal Bacterial Flora of Rainbow Trout in Flow-Through Aquaculture. BIOLOGY 2022; 11:biology11081249. [PMID: 36009876 PMCID: PMC9405476 DOI: 10.3390/biology11081249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 11/16/2022]
Abstract
The bacterial flora of the epidermal mucus of fish is closely associated with the host’s health and susceptibility to pathogenic infections. In this study, we analyzed the epidermal mucus bacteria of rainbow trout (Oncorhynchus mykiss) reared in flow-through aquaculture under environmental perturbations. Over ~2 years, the bacteria present in the skin mucus and water were analyzed based on the 16S rDNA sequences. The composition of the mucus bacterial community showed significant monthly fluctuations, with frequent changes in the dominant bacterial species. Analysis of the beta- and alpha-diversity of the mucus bacterial flora showed the fluctuations of the composition of the flora were caused by the genera Pseudomonas, Yersinia, and Flavobacterium, and some species of Pseudomonas and Yersinia in the mucus were identified as antimicrobial bacteria. Examination of the antimicrobial bacteria in the lab aquarium showed that the natural presence of antimicrobial bacteria in the mucus and water, or the purposeful addition of them to the rearing water, caused a transition in the mucus bacteria community composition. These results demonstrate that specific antimicrobial bacteria in the water or in epidermal mucus comprise one of the causes of changes in fish epidermal mucus microflora.
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Affiliation(s)
- Hajime Nakatani
- Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Aichi, Japan
| | - Naoki Yamada
- Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Aichi, Japan
| | - Naoki Hashimoto
- Department of Life Sciences, Graduate School of Bioresources, Mie University, 1577 Kurimamachiya, Tsu 514-8507, Mie, Japan
| | - Fumiyoshi Okazaki
- Department of Life Sciences, Graduate School of Bioresources, Mie University, 1577 Kurimamachiya, Tsu 514-8507, Mie, Japan
| | - Tomoko Arakawa
- Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Aichi, Japan
| | - Yutaka Tamaru
- Department of Life Sciences, Graduate School of Bioresources, Mie University, 1577 Kurimamachiya, Tsu 514-8507, Mie, Japan
| | - Katsutoshi Hori
- Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Aichi, Japan
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5
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Najafpour B, Pinto PIS, Canario AVM, Power DM. Quantifying dominant bacterial genera detected in metagenomic data from fish eggs and larvae using genus‐specific primers. Microbiologyopen 2022; 11:e1274. [PMID: 35765179 PMCID: PMC9055463 DOI: 10.1002/mbo3.1274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/05/2022] [Indexed: 12/03/2022] Open
Abstract
The goal of this study was to design genus‐specific primers for rapid evaluation of the most abundant bacterial genera identified using amplicon‐based sequencing of the 16S rRNA gene in fish‐related samples and surrounding water. Efficient genus‐specific primers were designed for 11 bacterial genera including Alkalimarinus, Colwellia, Enterovibrio, Marinomonas, Massilia, Oleispira, Phaeobacter, Photobacterium, Polarbacerium, Pseudomonas, and Psychrobium. The specificity of the primers was confirmed by the phylogeny of the sequenced polymerase chain reaction (PCR) amplicons that indicated primers were genus‐specific except in the case of Colwellia and Phaeobacter. Copy number of the 16S rRNA gene obtained by quantitative PCR using genus‐specific primers and the relative abundance obtained by 16S rRNA gene sequencing using universal primers were well correlated for the five analyzed abundant bacterial genera. Low correlations between quantitative PCR and 16S rRNA gene sequencing for Pseudomonas were explained by the higher coverage of known Pseudomonas species by the designed genus‐specific primers than the universal primers used in 16S rRNA gene sequencing. The designed genus‐specific primers are proposed as rapid and cost‐effective tools to evaluate the most abundant bacterial genera in fish‐related or potentially other metagenomics samples.
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Affiliation(s)
- Babak Najafpour
- Centro de Ciências do Mar (CCMAR/CIMAR) Universidade do Algarve Faro Portugal
| | - Patricia I. S. Pinto
- Centro de Ciências do Mar (CCMAR/CIMAR) Universidade do Algarve Faro Portugal
- International Center for Marine Studies Shanghai Ocean University Shanghai China
| | - A. V. M. Canario
- Centro de Ciências do Mar (CCMAR/CIMAR) Universidade do Algarve Faro Portugal
- International Center for Marine Studies Shanghai Ocean University Shanghai China
| | - Deborah M. Power
- Centro de Ciências do Mar (CCMAR/CIMAR) Universidade do Algarve Faro Portugal
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Zheltonozhskaya T, Permyakova N, Kravchenko O, Maksin V, Nessin S, Klepko V, Klymchuk D. Polymer/inorganic hybrids containing silver nanoparticles and their activity in the disinfection of fish aquariums/ponds. POLYM-PLAST TECH MAT 2020. [DOI: 10.1080/25740881.2020.1811318] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- T.B. Zheltonozhskaya
- Institute of Macromolecular Science, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - N.M. Permyakova
- Institute of Macromolecular Science, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - O.O. Kravchenko
- Department of Analytical and Bioinorganic Chemistry and Water Quality, National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine
| | - V.I. Maksin
- Department of Analytical and Bioinorganic Chemistry and Water Quality, National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine
| | - S.D. Nessin
- Institute of Macromolecular Science, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - V.V. Klepko
- Institute of Macromolecular Science, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - D.O. Klymchuk
- Institute of Botany, National Academy of Sciences of Ukraine, Kyiv, Ukraine
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Sahoo BR. Structure of fish Toll-like receptors (TLR) and NOD-like receptors (NLR). Int J Biol Macromol 2020; 161:1602-1617. [PMID: 32755705 PMCID: PMC7396143 DOI: 10.1016/j.ijbiomac.2020.07.293] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/26/2020] [Accepted: 07/27/2020] [Indexed: 12/23/2022]
Abstract
Innate immunity driven by pattern recognition receptor (PRR) protects the host from invading pathogens. Aquatic animals like fish where the adaptive immunity is poorly developed majorly rely on their innate immunity modulated by PRRs like toll-like receptors (TLR) and NOD-like receptors (NLR). However, current development to improve the fish immunity via TLR/NLR signaling is affected by a poor understanding of its mechanistic and structural features. This review discusses the structure of fish TLRs/NLRs and its interaction with pathogen associated molecular patterns (PAMPs) and downstream signaling molecules. Over the past one decade, significant progress has been done in studying the structure of TLRs/NLRs in higher eukaryotes; however, structural studies on fish innate immune receptors are undermined. Several novel TLR genes are identified in fish that are absent in higher eukaryotes, but the function is still poorly understood. Unlike the fundamental progress achieved in developing antagonist/agonist to modulate human innate immunity, analogous studies in fish are nearly lacking due to structural inadequacy. This underlies the importance of exploring the structural and mechanistic details of fish TLRs/NLRs at an atomic and molecular level. This review outlined the mechanistic and structural basis of fish TLR and NLR activation.
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Nguyen CDH, Amoroso G, Ventura T, Elizur A. Assessing the Pyloric Caeca and Distal Gut Microbiota Correlation with Flesh Color in Atlantic Salmon ( Salmo salar L., 1758). Microorganisms 2020; 8:microorganisms8081244. [PMID: 32824332 PMCID: PMC7464769 DOI: 10.3390/microorganisms8081244] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 08/08/2020] [Accepted: 08/12/2020] [Indexed: 01/19/2023] Open
Abstract
The Atlantic salmon (Salmo salar L., 1758) is a temperate fish species native to the northern Atlantic Ocean. The distinctive pink–red flesh color (i.e., pigmentation) significantly affects the market price. Flesh paleness leads to customer dissatisfaction, a loss of competitiveness, a drop in product value and, consequently, severe economic losses. This work extends our knowledge on salmonid carotenoid dynamics to include the interaction between the gut microbiota and flesh color. A significant association between the flesh color and abundance of specific bacterial communities in the gut microbiota suggests that color may be affected either by seeding resilient beneficial bacteria or by inhibiting the negative effect of pathogenic bacteria. We sampled 96 fish, which covered all phenotypes of flesh color, including the average color and the evenness of color of different areas of the fillet, at both the distal intestine and the pyloric caeca of each individual, followed by 16S rRNA sequencing at the V3-V4 region. The microbiota profiles of these two gut regions were significantly different; however, there was a consistency in the microbiota, which correlated with the flesh color. Moreover, the pyloric caeca microbiota also showed high correlation with the evenness of the flesh color (beta diversity index, PERMANOVA, p = 0.002). The results from the pyloric caeca indicate that Carnobacterium, a group belonging to the lactic acid bacteria, is strongly related to the flesh color and the evenness of the color between the flesh areas.
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Affiliation(s)
- Chan D. H. Nguyen
- Genecology Research Centre and School of Science and Engineering, University of the Sunshine Coast, Sippy Downs, Queensland 4556, Australia; (C.D.H.N.); (G.A.)
| | - Gianluca Amoroso
- Genecology Research Centre and School of Science and Engineering, University of the Sunshine Coast, Sippy Downs, Queensland 4556, Australia; (C.D.H.N.); (G.A.)
- Petuna Aquaculture, East Devonport, Tasmania 7310, Australia
| | - Tomer Ventura
- Genecology Research Centre and School of Science and Engineering, University of the Sunshine Coast, Sippy Downs, Queensland 4556, Australia; (C.D.H.N.); (G.A.)
- Correspondence: (T.V.); (A.E.)
| | - Abigail Elizur
- Genecology Research Centre and School of Science and Engineering, University of the Sunshine Coast, Sippy Downs, Queensland 4556, Australia; (C.D.H.N.); (G.A.)
- Correspondence: (T.V.); (A.E.)
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9
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Kuebutornye FKA, Abarike ED, Lu Y, Hlordzi V, Sakyi ME, Afriyie G, Wang Z, Li Y, Xie CX. Mechanisms and the role of probiotic Bacillus in mitigating fish pathogens in aquaculture. FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:819-841. [PMID: 31953625 DOI: 10.1007/s10695-019-00754-y] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 12/26/2019] [Indexed: 06/10/2023]
Abstract
Diseases are natural components of the environment, and many have economic implications for aquaculture and fisheries. Aquaculture is a fast-growing industry with the aim to meet the high protein demand of the ever-increasing global population; however, the emergence of diseases is a major setback to the industry. Probiotics emerged as a better solution to curb the disease problem in aquaculture among many alternatives. Probiotic Bacillus has been proven to better combat a wide range of fish pathogens relative to other probiotics in aquaculture; therefore, understanding the various mechanisms used by Bacillus in combating diseases will help improve their mode of action hence yielding better results in their combat against pathogens in the aquaculture industry. Thus, an overview of the mechanisms (production of bacteriocins, suppression of virulence gene expression, competition for adhesion sites, production of lytic enzymes, production of antibiotics, immunostimulation, competition for nutrients and energy, and production of organic acids) used by Bacillus probiotics in mitigating fish pathogens ranging from Aeromonas, Vibrio, Streptococcus, Yersinia, Pseudomonas, Clostridium, Acinetobacter, Edwardsiella, Flavobacterium, white spot syndrome virus, and infectious hypodermal and hematopoietic necrosis virus proven to be mitigated by Bacillus have been provided.
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Affiliation(s)
- Felix K A Kuebutornye
- College of Fisheries, Guangdong Ocean University, Huguang Yan East, Zhanjiang, 524088, Guangdong Province, China
- Shenzhen Institute of Guangdong Ocean University, Shenzhen, 518120, Guangdong, China
- Provincial Key Laboratory of Pathogenic Biology and Epidemiology for Aquatic Animals, Zhanjiang, 524088, China
- Guangdong Provincial Engineering Research Center for Aquatic Animal Health Assessment, Shenzhen, 518120, China
- Shenzhen Public Service Platform for Evaluation of Marine Economic Animal Seedings, Shenzhen, 518120, China
- Guangdong Key Laboratory of Control for Diseases of Aquatic Economic Animals, Zhanjiang, 524088, China
| | - Emmanuel Delwin Abarike
- Department of Fisheries and Aquatic Resources Management, University for Development Studies, Tamale, Ghana
| | - Yishan Lu
- College of Fisheries, Guangdong Ocean University, Huguang Yan East, Zhanjiang, 524088, Guangdong Province, China.
- Shenzhen Institute of Guangdong Ocean University, Shenzhen, 518120, Guangdong, China.
- Provincial Key Laboratory of Pathogenic Biology and Epidemiology for Aquatic Animals, Zhanjiang, 524088, China.
- Guangdong Provincial Engineering Research Center for Aquatic Animal Health Assessment, Shenzhen, 518120, China.
- Shenzhen Public Service Platform for Evaluation of Marine Economic Animal Seedings, Shenzhen, 518120, China.
- Guangdong Key Laboratory of Control for Diseases of Aquatic Economic Animals, Zhanjiang, 524088, China.
| | - Vivian Hlordzi
- Laboratory of Aquatic Animal Nutrition and Feed, College of Fisheries, Guangdong Ocean University, Zhanjiang, 524088, Guangdong, China
| | - Michael Essien Sakyi
- College of Fisheries, Guangdong Ocean University, Huguang Yan East, Zhanjiang, 524088, Guangdong Province, China
- Shenzhen Institute of Guangdong Ocean University, Shenzhen, 518120, Guangdong, China
- Provincial Key Laboratory of Pathogenic Biology and Epidemiology for Aquatic Animals, Zhanjiang, 524088, China
- Guangdong Provincial Engineering Research Center for Aquatic Animal Health Assessment, Shenzhen, 518120, China
- Shenzhen Public Service Platform for Evaluation of Marine Economic Animal Seedings, Shenzhen, 518120, China
- Guangdong Key Laboratory of Control for Diseases of Aquatic Economic Animals, Zhanjiang, 524088, China
| | - Gyamfua Afriyie
- Key Laboratory of Aquaculture in South China Sea for Aquatic Economic Animal of Guangdong Higher Education Institutes, Fisheries College, Guangdong Ocean University, Zhanjiang, 524025, China
| | - Zhiwen Wang
- College of Fisheries, Guangdong Ocean University, Huguang Yan East, Zhanjiang, 524088, Guangdong Province, China
- Shenzhen Institute of Guangdong Ocean University, Shenzhen, 518120, Guangdong, China
- Provincial Key Laboratory of Pathogenic Biology and Epidemiology for Aquatic Animals, Zhanjiang, 524088, China
- Guangdong Provincial Engineering Research Center for Aquatic Animal Health Assessment, Shenzhen, 518120, China
- Shenzhen Public Service Platform for Evaluation of Marine Economic Animal Seedings, Shenzhen, 518120, China
- Guangdong Key Laboratory of Control for Diseases of Aquatic Economic Animals, Zhanjiang, 524088, China
| | - Yuan Li
- College of Fisheries, Guangdong Ocean University, Huguang Yan East, Zhanjiang, 524088, Guangdong Province, China
- Shenzhen Institute of Guangdong Ocean University, Shenzhen, 518120, Guangdong, China
- Provincial Key Laboratory of Pathogenic Biology and Epidemiology for Aquatic Animals, Zhanjiang, 524088, China
- Guangdong Provincial Engineering Research Center for Aquatic Animal Health Assessment, Shenzhen, 518120, China
- Shenzhen Public Service Platform for Evaluation of Marine Economic Animal Seedings, Shenzhen, 518120, China
- Guangdong Key Laboratory of Control for Diseases of Aquatic Economic Animals, Zhanjiang, 524088, China
| | - Cai Xia Xie
- College of Fisheries, Guangdong Ocean University, Huguang Yan East, Zhanjiang, 524088, Guangdong Province, China
- Shenzhen Institute of Guangdong Ocean University, Shenzhen, 518120, Guangdong, China
- Provincial Key Laboratory of Pathogenic Biology and Epidemiology for Aquatic Animals, Zhanjiang, 524088, China
- Guangdong Provincial Engineering Research Center for Aquatic Animal Health Assessment, Shenzhen, 518120, China
- Shenzhen Public Service Platform for Evaluation of Marine Economic Animal Seedings, Shenzhen, 518120, China
- Guangdong Key Laboratory of Control for Diseases of Aquatic Economic Animals, Zhanjiang, 524088, China
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Beaton A, Lood C, Cunningham-Oakes E, MacFadyen A, Mullins AJ, Bestawy WE, Botelho J, Chevalier S, Coleman S, Dalzell C, Dolan SK, Faccenda A, Ghequire MGK, Higgins S, Kutschera A, Murray J, Redway M, Salih T, da Silva AC, Smith BA, Smits N, Thomson R, Woodcock S, Welch M, Cornelis P, Lavigne R, van Noort V, Tucker NP. Community-led comparative genomic and phenotypic analysis of the aquaculture pathogen Pseudomonas baetica a390T sequenced by Ion semiconductor and Nanopore technologies. FEMS Microbiol Lett 2019; 365:4951603. [PMID: 29579234 PMCID: PMC5909648 DOI: 10.1093/femsle/fny069] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 03/21/2018] [Indexed: 12/29/2022] Open
Abstract
Pseudomonas baetica strain a390T is the type strain of this recently described species and here we present its high-contiguity draft genome. To celebrate the 16th International Conference on Pseudomonas, the genome of P. baetica strain a390T was sequenced using a unique combination of Ion Torrent semiconductor and Oxford Nanopore methods as part of a collaborative community-led project. The use of high-quality Ion Torrent sequences with long Nanopore reads gave rapid, high-contiguity and -quality, 16-contig genome sequence. Whole genome phylogenetic analysis places P. baetica within the P. koreensis clade of the P. fluorescens group. Comparison of the main genomic features of P. baetica with a variety of other Pseudomonas spp. suggests that it is a highly adaptable organism, typical of the genus. This strain was originally isolated from the liver of a diseased wedge sole fish, and genotypic and phenotypic analyses show that it is tolerant to osmotic stress and to oxytetracycline.
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Affiliation(s)
- Ainsley Beaton
- Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK
| | - Cédric Lood
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20, bus 2460, Leuven B-3001, Belgium.,Laboratory of Gene Technology, KU Leuven, Kasteelpark Arenberg 20, bus 2460, Leuven B-3001, Belgium
| | - Edward Cunningham-Oakes
- Cardiff School of Biosciences, Cardiff University, Sir Martin Evans Building, Park Place, Cardiff CF10 3AX, UK
| | - Alison MacFadyen
- Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Midlothian EH25 9RG, Scotland, UK
| | - Alex J Mullins
- Cardiff School of Biosciences, Cardiff University, Sir Martin Evans Building, Park Place, Cardiff CF10 3AX, UK
| | - Walid El Bestawy
- Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK
| | - João Botelho
- UCIBIO/REQUIMTE, Laboratório de Microbiologia, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira no. 228 Porto 4050-313, Portugal
| | - Sylvie Chevalier
- Laboratoire Microbiologie Signaux et Microenvironnement (LMSM), Université de Rouen, 55, rue St Germain, Evreux 27000, France
| | - Shannon Coleman
- Lower Mall Research Station, University of British Columbia, 2259 Lower Mall, Vancouver, BC V6T 1Z4, Canada
| | - Chloe Dalzell
- Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK
| | - Stephen K Dolan
- Department of Biochemistry, University of Cambridge, Hopkins Building, Tennis Court Road, Cambridge CB2 1QW, UK
| | - Alberto Faccenda
- Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK
| | - Maarten G K Ghequire
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20, bus 2460, Leuven B-3001, Belgium
| | - Steven Higgins
- Department of Plant and Microbial Biology, University of Zürich, Zürich 8008, Switzerland
| | - Alexander Kutschera
- Department of Phytopathology, Center of Life and Food Sciences, Technical University of Munich, Weihenstephan D-85354, Germany
| | - Jordan Murray
- Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK
| | - Martha Redway
- Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK
| | - Talal Salih
- Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK
| | - Ana C da Silva
- Centre for Biomolecular Sciences, School of Life Sciences, University of Nottingham, Nottingham NG7 2RD, UK
| | - Brian A Smith
- School of Plant Sciences, The University of Arizona, P.O. Box 210036, Forbes Building, 303 Tucson, Arizona 85721-0036, USA
| | - Nathan Smits
- Laboratory of Gene Technology, KU Leuven, Kasteelpark Arenberg 20, bus 2460, Leuven B-3001, Belgium
| | - Ryan Thomson
- Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK
| | - Stuart Woodcock
- Department of Biological Chemistry, John Innes Centre, Colney Lane, Norwich NR4 7UH, UK
| | - Martin Welch
- Department of Biochemistry, University of Cambridge, Hopkins Building, Tennis Court Road, Cambridge CB2 1QW, UK
| | - Pierre Cornelis
- Laboratoire Microbiologie Signaux et Microenvironnement (LMSM), Université de Rouen, 55, rue St Germain, Evreux 27000, France
| | - Rob Lavigne
- Laboratory of Gene Technology, KU Leuven, Kasteelpark Arenberg 20, bus 2460, Leuven B-3001, Belgium
| | - Vera van Noort
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20, bus 2460, Leuven B-3001, Belgium
| | - Nicholas P Tucker
- Strathclyde Institute of Pharmacy and Biomedical Science, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK
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