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Zhang Z, Zhang HL, Yang DH, Hao Q, Yang HW, Meng DL, Meindert de Vos W, Guan LL, Liu SB, Teame T, Gao CC, Ran C, Yang YL, Yao YY, Ding QW, Zhou ZG. Lactobacillus rhamnosus GG triggers intestinal epithelium injury in zebrafish revealing host dependent beneficial effects. IMETA 2024; 3:e181. [PMID: 38882496 PMCID: PMC11170971 DOI: 10.1002/imt2.181] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 02/22/2024] [Accepted: 02/26/2024] [Indexed: 06/18/2024]
Abstract
Lactobacillus rhamnosus GG (LGG), the well-characterized human-derived probiotic strain, possesses excellent properties in the maintenance of intestinal homeostasis, immunoregulation and defense against gastrointestinal pathogens in mammals. Here, we demonstrate that the SpaC pilin of LGG causes intestinal epithelium injury by inducing cell pyroptosis and gut microbial dysbiosis in zebrafish. Dietary SpaC activates Caspase-3-GSDMEa pathways in the intestinal epithelium, promotes intestinal pyroptosis and increases lipopolysaccharide (LPS)-producing gut microbes in zebrafish. The increased LPS subsequently activates Gaspy2-GSDMEb pyroptosis pathway. Further analysis reveals the Caspase-3-GSDMEa pyroptosis is initiated by the species-specific recognition of SpaC by TLR4ba, which accounts for the species-specificity of the SpaC-inducing intestinal pyroptosis in zebrafish. The observed pyroptosis-driven gut injury and microbial dysbiosis by LGG in zebrafish suggest that host-specific beneficial/harmful mechanisms are critical safety issues when applying probiotics derived from other host species and need more attention.
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Affiliation(s)
- Zhen Zhang
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
- Faculty of Land and Food Systems The University of British Columbia Vancouver Canada
| | - Hong-Ling Zhang
- China-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
| | - Da-Hai Yang
- State Key Laboratory of Bioreactor Engineering East China University of Science and Technology Shanghai China
| | - Qiang Hao
- China-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
| | - Hong-Wei Yang
- China-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
| | - De-Long Meng
- China-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
| | - Willem Meindert de Vos
- Laboratory of Microbiology Wageningen University and Research Wageningen Netherlands
- Human Microbiome Research Program, Faculty of Medicine University of Helsinki Helsinki Finland
| | - Le-Luo Guan
- Faculty of Land and Food Systems The University of British Columbia Vancouver Canada
| | - Shu-Bin Liu
- China-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
| | - Tsegay Teame
- China-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
- Tigray Agricultural Research Institute Mekelle Ethiopia
| | - Chen-Chen Gao
- China-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
| | - Chao Ran
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
| | - Ya-Lin Yang
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
| | - Yuan-Yuan Yao
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
| | - Qian-Wen Ding
- Key Laboratory for Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
| | - Zhi-Gang Zhou
- China-Norway Joint Lab on Fish Gut Microbiota, Institute of Feed Research Chinese Academy of Agricultural Sciences Beijing China
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Liu Q, Liu Y, Zhang J, Guan Y, Zhou Q, Yan Y, Li W, An J, He M. Gut microbiota deficiency aggravates arsenic-induced toxicity by affecting bioaccumulation and biotransformation in C57BL/6J mice. Food Chem Toxicol 2024; 186:114564. [PMID: 38438009 DOI: 10.1016/j.fct.2024.114564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 02/20/2024] [Accepted: 03/01/2024] [Indexed: 03/06/2024]
Abstract
Gut microbiome can influence the arsenic metabolism in mammals. Confusingly, gut microbiome was found to both mitigate and exacerbate arsenic toxicity. In this study, the role of gut microbiota in arsenic bioaccumulation, biotransformation, and organ toxicity in C57BL/6J mice was investigated. Gut microbiota deficiency model was established by antibiotics (Ab) cocktail AVNM. Conventional and gut microbiota deficiency mice were exposed to NaAsO2 for 4 weeks. Comparing with Ab-treated mice, the total arsenic (tAs) in the tissues was significantly reduced in conventional mice, which was opposed to the results of those in feces. Interestingly, dimethyl arsenite (DMA) was the most abundant metabolite in the feces of Ab-treated mice, while arsenic acid (AsV) had the highest proportion in the feces of conventional mice with approximately 16-fold than that in Ab-treated mice, indicating the critical role of gut microbiota in metabolizing arsenious acid (AsIII) to AsV. Additionally, the liver and kidney in Ab-treated mice showed more severe pathological changes and apoptosis. The significant increased level of ionized calcium-binding adapter molecule 1 (IBA-1) was also found in the brains of Ab-treated mice. Our results indicated that gut microbiota protected the host from arsenic-induced toxicity in liver, kidney, and brain by reducing the arsenic accumulation.
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Affiliation(s)
- Qianying Liu
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yuenan Liu
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jiazhen Zhang
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Youbing Guan
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Qihang Zhou
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yan Yan
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Weiya Li
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jun An
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Meian He
- Department of Occupational and Environmental Health and State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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Liu X, Fang H, Pan L, Zhang P, Lin H, Gao H, Ye C, Mao D, Luo Y. S-amlodipine induces liver inflammation and dysfunction through the alteration of intestinal microbiome in a rat model. Gut Microbes 2024; 16:2316923. [PMID: 38400721 PMCID: PMC10896145 DOI: 10.1080/19490976.2024.2316923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 02/06/2024] [Indexed: 02/26/2024] Open
Abstract
S-amlodipine, a commonly prescribed antihypertensive agent, is widely used in clinical settings to treat hypertension. However, the potential adverse effects of long-term S-amlodipine treatment on the liver remain uncertain, given the cautionary recommendations from clinicians regarding its administration in individuals with impaired liver function. To address this, we conducted a study using an eight-week-old male rat model and administered a daily dose of 0.6 ~ 5 mg/kg of S-amlodipine for 7 weeks. Our findings demonstrated that 1.2 ~ 5 mg/kg of S-amlodipine treatment induced liver inflammation and associated dysfunction in rats, further in vitro experiments revealed that the observed liver inflammation and dysfunction were not attributable to direct effects of S-amlodipine on the liver. Metagenome sequencing analysis revealed that S-amlodipine treatment led to alterations in the gut microbiome of rats, with the bloom of E. coli (4.5 ~ 6.6-fold increase) and a decrease in A. muciniphila (1,613.4 ~ 2,000-fold decrease) and B. uniformis (20.6 ~ 202.7-fold decrease), subsequently causing an increase in the gut bacterial lipopolysaccharide (LPS) content (1.4 ~ 1.5-fold increase in feces). S-amlodipine treatment also induced damage to the intestinal barrier and increased intestinal permeability, as confirmed by elevated levels of fecal albumin; furthermore, the flux of gut bacterial LPS into the bloodstream through the portal vein resulted in an increase in serum LPS content (3.3 ~ 4-fold increase). LPS induces liver inflammation and subsequent dysfunction in rats by activating the TLR4 pathway. This study is the first to show that S-amlodipine induces liver inflammation and dysfunction by perturbing the rat gut microbiome. These results indicate the adverse effects of S-amlodipine on the liver and provide a rich understanding of the safety of long-term S-amlodipine administration.
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Affiliation(s)
- Xinxin Liu
- College of Environmental Sciences and Engineering, Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Nankai University, Tianjin, China
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, China
| | - Hui Fang
- School of Medicine, Nankai University, Tianjin, China
| | - Liuzhu Pan
- School of Medicine, Nankai University, Tianjin, China
| | - Peng Zhang
- College of Environmental Sciences and Engineering, Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Nankai University, Tianjin, China
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, China
| | - Huai Lin
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, China
| | - Huihui Gao
- School of Medicine, Nankai University, Tianjin, China
| | - Chaolin Ye
- School of Medicine, Nankai University, Tianjin, China
| | - Daqing Mao
- School of Medicine, Nankai University, Tianjin, China
| | - Yi Luo
- College of Environmental Sciences and Engineering, Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Nankai University, Tianjin, China
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, China
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Sharpton TJ, Alexiev A, Tanguay RL. Defining the environmental determinants of dysbiosis at scale with zebrafish. CURRENT OPINION IN TOXICOLOGY 2023; 36:100430. [PMID: 38486798 PMCID: PMC10938905 DOI: 10.1016/j.cotox.2023.100430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
The gut microbiome, critical to maintaining vertebrate homeostasis, is susceptible to a various exposures. In some cases, these exposures induce dysbiosis, wherein the microbiome changes into a state conducive to disease progression. To better prevent, manage, and treat health disorders, we need to define which exposures induce dysbiosis. Contemporary methods face challenges due to the immense diversity of the exposome and the restricted throughput of conventional experimental tools used for dysbiosis evaluation. We propose integrating high-throughput model systems as an augment to traditional techniques for rapid identification of dysbiosis-inducing agents. Although high-throughput screening tools revolutionized areas such as pharmacology and toxicology, their incorporation in gut microbiome research remains limited. One particularly powerful high-throughput model system is the zebrafish, which affords access to scalable in vivo experimentation involving a complex gut microbiome. Numerous studies have employed this model to identify potential dysbiosis triggers. However, its potential could be further harnessed via innovative study designs, such as evaluation of synergistic effects from combined exposures, expansions to the methodological toolkit to discern causal effects of microbiota, and efforts to assess and improve the translational relevance of the model. Ultimately, this burgeoning experimental resource can accelerate the discovery of agents that underlie dysbiotic disorders.
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Affiliation(s)
- Thomas J Sharpton
- Department of Microbiology, Oregon State University, Corvallis, OR
- Department of Statistics, Oregon State University, Corvallis, OR
| | | | - Robyn L Tanguay
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR
- Sinnhuber Aquatic Research Center, Oregon State University, Corvallis, OR
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Sun Y, Zhang S, Nie Q, He H, Tan H, Geng F, Ji H, Hu J, Nie S. Gut firmicutes: Relationship with dietary fiber and role in host homeostasis. Crit Rev Food Sci Nutr 2023; 63:12073-12088. [PMID: 35822206 DOI: 10.1080/10408398.2022.2098249] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Firmicutes and Bacteroidetes are the predominant bacterial phyla colonizing the healthy human gut. Accumulating evidence suggests that dietary fiber plays a crucial role in host health, yet most studies have focused on how the dietary fiber affects health through gut Bacteroides. More recently, gut Firmicutes have been found to possess many genes responsible for fermenting dietary fiber, and could also interact with the intestinal mucosa and thereby contribute to homeostasis. Consequently, the relationship between dietary fiber and Firmicutes is of interest, as well as the role of Firmicutes in host health. In this review, we summarize the current knowledge regarding the molecular mechanism of dietary fiber degradation by gut Firmicutes and explain the communication pathway of the dietary fiber-Firmicutes-host axis, and the beneficial effects of dietary fiber-induced Firmicutes and their metabolites on health. A better understanding of the dialogue sustained by the dietary fiber-Firmicutes axis and the host could provide new insights into probiotic therapy and novel dietary interventions aimed at increasing the abundance of Firmicutes (such as Faecalibacterium, Lactobacillus, and Roseburia) to promote health.
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Affiliation(s)
- Yonggan Sun
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Shanshan Zhang
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Qixing Nie
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Huijun He
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Huizi Tan
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Fang Geng
- Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture and Rural Affairs), School of Food and Biological Engineering, Chengdu University, Chengdu, China
| | - Haihua Ji
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Jielun Hu
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
| | - Shaoping Nie
- State Key Laboratory of Food Science and Technology, China-Canada Joint Lab of Food Science and Technology (Nanchang), Key laboratory of Bioactive Polysaccharides of Jiangxi Province, Nanchang University, Nanchang, China
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Pedroza Matute S, Iyavoo S. Exploring the gut microbiota: lifestyle choices, disease associations, and personal genomics. Front Nutr 2023; 10:1225120. [PMID: 37867494 PMCID: PMC10585655 DOI: 10.3389/fnut.2023.1225120] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 09/19/2023] [Indexed: 10/24/2023] Open
Abstract
The gut microbiota is a rich and dynamic ecosystem that actively interacts with the human body, playing a significant role in the state of health and disease of the host. Diet, exercise, mental health, and other factors have exhibited the ability to influence the gut bacterial composition, leading to changes that can prevent and improve, or favor and worsen, both intestinal and extra-intestinal conditions. Altered gut microbial states, or 'dysbiosis', associated with conditions and diseases are often characterized by shifts in bacterial abundance and diversity, including an impaired Firmicutes to Bacteroidetes ratio. By understanding the effect of lifestyle on the gut microbiota, personalized advice can be generated to suit each individual profile and foster the adoption of lifestyle changes that can both prevent and ameliorate dysbiosis. The delivery of effective and reliable advice, however, depends not only on the available research and current understanding of the topic, but also on the methods used to assess individuals and to discover the associations, which can introduce bias at multiple stages. The aim of this review is to summarize how human gut microbial variability is defined and what lifestyle choices and diseases have shown association with gut bacterial composition. Furthermore, popular methods to investigate the human gut microbiota are outlined, with a focus on the possible bias caused by the lack of use of standardized methods. Finally, an overview of the current state of personalized advice based on gut microbiota testing is presented, underlining its power and limitations.
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Affiliation(s)
| | - Sasitaran Iyavoo
- Nkaarco Diagnostics Limited, Norwich, United Kingdom
- School of Chemistry, College of Health and Science, University of Lincoln, Lincoln, United Kingdom
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Magnuson JT, Monticelli G, Schlenk D, Bisesi JH, Pampanin DM. Connecting gut microbiome changes with fish health conditions in juvenile Atlantic cod (Gadus morhua) exposed to dispersed crude oil. ENVIRONMENTAL RESEARCH 2023; 234:116516. [PMID: 37399986 DOI: 10.1016/j.envres.2023.116516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/23/2023] [Accepted: 06/25/2023] [Indexed: 07/05/2023]
Abstract
Polycyclic aromatic hydrocarbons found in crude oil can impair fish health following sublethal exposure. However, the dysbiosis of microbial communities within the fish host and influence it has on the toxic response of fish following exposure has been less characterized, particularly in marine species. To better understand the effect of dispersed crude oil (DCO) on juvenile Atlantic cod (Gadus morhua) microbiota composition and potential targets of exposure within the gut, fish were exposed to 0.05 ppm DCO for 1, 3, 7, or 28 days and 16 S metagenomic and metatranscriptomic sequencing on the gut and RNA sequencing on intestinal content were conducted. In addition to assessing species composition, richness, and diversity from microbial gut community analysis and transcriptomic profiling, the functional capacity of the microbiome was determined. Mycoplasma and Aliivibrio were the two most abundant genera after DCO exposure and Photobacterium the most abundant genus in controls, after 28 days. Metagenomic profiles were only significantly different between treatments after a 28-day exposure. The top identified pathways were involved in energy and the biosynthesis of carbohydrates, fatty acids, amino acids, and cellular structure. Biological processes following fish transcriptomic profiling shared common pathways with microbial functional annotations such as energy, translation, amide biosynthetic process, and proteolysis. There were 58 differently expressed genes determined from metatranscriptomic profiling after 7 days of exposure. Predicted pathways that were altered included those involved in translation, signal transduction, and Wnt signaling. EIF2 signaling was consistently dysregulated following exposure to DCO, regardless of exposure duration, with impairments in IL-22 signaling and spermine and spermidine biosynthesis in fish after 28 days. Data were consistent with predictions of a potentially reduced immune response related to gastrointestinal disease. Herein, transcriptomic-level responses helped explain the relevance of differences in gut microbial communities in fish following DCO exposure.
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Affiliation(s)
- Jason T Magnuson
- Department of Chemistry, Bioscience and Environmental Engineering, University of Stavanger, Stavanger, Norway.
| | - Giovanna Monticelli
- Department of Chemistry, Bioscience and Environmental Engineering, University of Stavanger, Stavanger, Norway
| | - Daniel Schlenk
- Department of Environmental Sciences, University of California, Riverside, Riverside, CA, USA
| | - Joseph H Bisesi
- Department of Environmental and Global Health, University of Florida, Gainesville, FL, USA
| | - Daniela M Pampanin
- Department of Chemistry, Bioscience and Environmental Engineering, University of Stavanger, Stavanger, Norway
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Mi JX, Liu KL, Ding WL, Zhang MH, Wang XF, Shaukat A, Rehman MU, Jiao XL, Huang SC. Comparative analysis of the gut microbiota of wild wintering whooper swans (Cygnus Cygnus), captive black swans (Cygnus Atratus), and mute swans (Cygnus Olor) in Sanmenxia Swan National Wetland Park of China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:93731-93743. [PMID: 37515622 DOI: 10.1007/s11356-023-28876-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 07/15/2023] [Indexed: 07/31/2023]
Abstract
The gastrointestinal microbiota, a complex ecosystem, is involved in the physiological activities of hosts and the development of diseases. Birds occupy a critical ecological niche in the ecosystem, performing a variety of ecological functions and possessing a complex gut microbiota composition. However, the gut microbiota of wild and captive birds has received less attention in the same region. We profiled the fecal gut microbiome of wild wintering whooper swans (Cygnus Cygnus; Cyg group, n = 25), captive black swans (Cygnus Atratus; Atr group, n = 20), and mute swans (Cygnus Olor; Olor group, n = 30) using 16S rRNA gene sequencing to reveal differences in the gut microbial ecology. The results revealed that the three species of swans differed significantly in terms of the alpha and beta diversity of their gut microbiota, as measured by ACE, Chao1, Simpson and Shannon indices, principal coordinates analysis (PCoA) and non-metricmulti-dimensional scaling (NMDS) respectively. Based on the results of the linear discriminant analysis effect size (LEfSe) and random forest analysis, we found that there were substantial differences in the relative abundance of Gottschalkia, Trichococcus, Enterococcus, and Kurthia among the three groups. Furthermore, an advantageous pattern of interactions between microorganisms was shown by the association network analysis. Among these, Gottschalkia had the higher area under curve (AUC), which was 0.939 (CI = 0.879-0.999), indicating that it might be used as a biomarker to distinguish between wild and captive black swans. Additionally, PICRUSt2 predictions indicated significant differences in gut microbiota functions between wild and captive trumpeter swans, with the gut microbiota functions of Cyg group focusing on carbohydrate metabolism, membrane transport, cofactor, and vitamin metabolism pathways, the Atr group on lipid metabolism, and the Olor group on cell motility, amino acid metabolism, and replication and repair pathways. These findings showed that the gut microbiota of wild and captive swans differed, which is beneficial to understand the gut microecology of swans and to improve regional wildlife conservation strategies.
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Affiliation(s)
- Jun-Xian Mi
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450000, China
| | - Kai-Li Liu
- College of Veterinary Medicine, Henan Agricultural University, 450046, Zhengzhou, China
| | - Wen-Li Ding
- College of Veterinary Medicine, Henan Agricultural University, 450046, Zhengzhou, China
| | - Ming-Hui Zhang
- College of Veterinary Medicine, Henan Agricultural University, 450046, Zhengzhou, China
| | - Xue-Fei Wang
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, 450000, China
| | - Aftab Shaukat
- National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), Huazhong Agricultural University, Wuhan, 430070, China
| | - Mujeeb Ur Rehman
- Directorate Planning & Development, Livestock & Dairy Development Department, Quetta, Balochistan, 87500, Pakistan
| | - Xi-Lan Jiao
- College of Veterinary Medicine, Henan Agricultural University, 450046, Zhengzhou, China
| | - Shu-Cheng Huang
- College of Veterinary Medicine, Henan Agricultural University, 450046, Zhengzhou, China.
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Effect of in vitro cultivation on human gut microbiota composition using 16S rDNA amplicon sequencing and metabolomics approach. Sci Rep 2023; 13:3026. [PMID: 36810418 PMCID: PMC9945476 DOI: 10.1038/s41598-023-29637-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 02/08/2023] [Indexed: 02/23/2023] Open
Abstract
Gut microbiota (GM) plays many key functions and helps maintain the host's health. Consequently, the development of GM cultivation under in vitro stimulating physiological conditions has gained extreme interest in different fields. In this study, we evaluated the impact of four culture media: Gut Microbiota Medium (GMM), Schaedler Broth (SM), Fermentation Medium (FM), and Carbohydrate Free Basal Medium (CFBM) on preserving the biodiversity and metabolic activity of human GM in batch in vitro cultures using PMA treatment coupled with 16S rDNA sequencing (PMA-seq) and LC-HR-MS/MS untargeted metabolomics supplemented with GC-MS SCFA profiling. Before the experiments, we determined the possibility of using the pooled faecal samples (MIX) from healthy donors (n = 15) as inoculum to reduce the number of variables and ensure the reproducibility of in vitro cultivation tests. Results showed the suitability of pooling faecal samples for in vitro cultivation study. Non-cultured MIX inoculum was characterized by higher α-diversity (Shannon effective count, and Effective microbial richness) compared to inocula from individual donors. After 24 h of cultivation, a significant effect of culture media composition on GM taxonomic and metabolomic profiles was observed. The SM and GMM had the highest α-diversity (Shannon effective count). The highest number of core ASVs (125) shared with non-cultured MIX inoculum and total SCFAs production was observed in the SM. These results might contribute to the development of standardized protocols for human GM in vitro cultivation by preventing methodological bias in the data.
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Mu J, Guo Z, Wang X, Wang X, Fu Y, Li X, Zhu F, Hu G, Ma X. Seaweed polysaccharide relieves hexavalent chromium-induced gut microbial homeostasis. Front Microbiol 2023; 13:1100988. [PMID: 36726569 PMCID: PMC9884827 DOI: 10.3389/fmicb.2022.1100988] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 12/15/2022] [Indexed: 01/19/2023] Open
Abstract
Heavy metals released in the environment pose a huge threat to soil and water quality, food safety and public health. Additionally, humans and other mammals may also be directly exposed to heavy metals or exposed to heavy metals through the food chain, which seriously threatens the health of animals and humans. Chromium, especially hexavalent chromium [Cr (VI)], as a common heavy metal, has been shown to cause serious environmental pollution as well as intestinal damage. Thus, increasing research is devoted to finding drugs to mitigate the negative health effects of hexavalent chromium exposure. Seaweed polysaccharides have been demonstrated to have many pharmacological effects, but whether it can alleviate gut microbial dysbiosis caused by hexavalent chromium exposure has not been well characterized. Here, we hypothesized that seaweed polysaccharides could alleviate hexavalent chromium exposure-induced poor health in mice. Mice in Cr and seaweed polysaccharide treatment group was compulsively receive K2Cr2O7. At the end of the experiment, all mice were euthanized, and colon contents were collected for DNA sequencing analysis. Results showed that seaweed polysaccharide administration can restore the gut microbial dysbiosis and the reduction of gut microbial diversity caused by hexavalent chromium exposure in mice. Hexavalent chromium exposure also caused significant changes in the gut microbial composition of mice, including an increase in some pathogenic bacteria and a decrease in beneficial bacteria. However, seaweed polysaccharides administration could ameliorate the composition of gut microbiota. In conclusion, this study showed that seaweed polysaccharides can restore the negative effects of hexavalent chromium exposure in mice, including gut microbial dysbiosis. Meanwhile, this research also lays the foundation for the application of seaweed polysaccharides.
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Affiliation(s)
- Jinghao Mu
- Department of Urology, Chinese PLA General Hospital, Beijing, China,Department of Urology, The Seventh Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Zhenhuan Guo
- Zhengzhou Key Laboratory of Immunopharmacology of Traditional Chinese Veterinary Medicines, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, China,*Correspondence: Zhenhuan Guo, ✉
| | - Xiujun Wang
- Zhengzhou Key Laboratory of Immunopharmacology of Traditional Chinese Veterinary Medicines, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, China
| | - Xuefei Wang
- Zhengzhou Key Laboratory of Immunopharmacology of Traditional Chinese Veterinary Medicines, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, China
| | - Yunxing Fu
- Zhengzhou Key Laboratory of Immunopharmacology of Traditional Chinese Veterinary Medicines, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, China
| | - Xianghui Li
- Zhengzhou Key Laboratory of Immunopharmacology of Traditional Chinese Veterinary Medicines, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, China
| | - Fuli Zhu
- Zhengzhou Key Laboratory of Immunopharmacology of Traditional Chinese Veterinary Medicines, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, China
| | - Guangyuan Hu
- Zhengzhou Key Laboratory of Immunopharmacology of Traditional Chinese Veterinary Medicines, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, China
| | - Xia Ma
- Zhengzhou Key Laboratory of Immunopharmacology of Traditional Chinese Veterinary Medicines, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, China,Xia Ma, ✉
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Zhang YW, Cao MM, Li YJ, Chen XX, Yu Q, Rui YF. A narrative review of the moderating effects and repercussion of exercise intervention on osteoporosis: ingenious involvement of gut microbiota and its metabolites. J Transl Med 2022; 20:490. [PMID: 36303163 DOI: 10.1186/s12967-022-03700-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/03/2022] [Accepted: 10/09/2022] [Indexed: 11/10/2022] Open
Abstract
Osteoporosis (OP) is a systemic bone disease characterized by the decreased bone mass and destruction of bone microstructure, which tends to result in the enhanced bone fragility and related fractures, as well as high disability rate and mortality. Exercise is one of the most common, reliable and cost-effective interventions for the prevention and treatment of OP currently, and numerous studies have revealed the close association between gut microbiota (GM) and bone metabolism recently. Moreover, exercise can alter the structure, composition and abundance of GM, and further influence the body health via GM and its metabolites, and the changes of GM also depend on the choice of exercise modes. Herein, combined with relevant studies and based on the inseparable relationship between exercise intervention-GM-OP, this review is aimed to discuss the moderating effects and potential mechanisms of exercise intervention on GM and bone metabolism, as well as the interaction between them.
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Affiliation(s)
- Yuan-Wei Zhang
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.,Multidisciplinary Team (MDT) for Geriatric Hip Fracture Management, School of Medicine, Zhongda Hospital, Southeast University, Nanjing Jiangsu, PR China.,School of Medicine, Southeast University, Nanjing, Jiangsu, PR China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
| | - Mu-Min Cao
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.,Multidisciplinary Team (MDT) for Geriatric Hip Fracture Management, School of Medicine, Zhongda Hospital, Southeast University, Nanjing Jiangsu, PR China.,School of Medicine, Southeast University, Nanjing, Jiangsu, PR China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
| | - Ying-Juan Li
- Multidisciplinary Team (MDT) for Geriatric Hip Fracture Management, School of Medicine, Zhongda Hospital, Southeast University, Nanjing Jiangsu, PR China.,Department of Geriatrics, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, Jiangsu, PR China
| | - Xiang-Xu Chen
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China.,Multidisciplinary Team (MDT) for Geriatric Hip Fracture Management, School of Medicine, Zhongda Hospital, Southeast University, Nanjing Jiangsu, PR China.,School of Medicine, Southeast University, Nanjing, Jiangsu, PR China.,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China
| | - Qian Yu
- Multidisciplinary Team (MDT) for Geriatric Hip Fracture Management, School of Medicine, Zhongda Hospital, Southeast University, Nanjing Jiangsu, PR China.,Department of Gastroenterology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, Jiangsu, PR China
| | - Yun-Feng Rui
- Department of Orthopaedics, School of Medicine, Zhongda Hospital, Southeast University, No. 87 Ding Jia Qiao, 210009, Nanjing, Jiangsu, PR China. .,Multidisciplinary Team (MDT) for Geriatric Hip Fracture Management, School of Medicine, Zhongda Hospital, Southeast University, Nanjing Jiangsu, PR China. .,School of Medicine, Southeast University, Nanjing, Jiangsu, PR China. .,Orthopaedic Trauma Institute (OTI), Southeast University, Nanjing, Jiangsu, PR China.
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Wu Y, Li Z, Zhao J, Chen Z, Xiang X. Significant differences in intestinal fungal community of hooded cranes along the wintering periods. Front Microbiol 2022; 13:991998. [PMID: 36160219 PMCID: PMC9491237 DOI: 10.3389/fmicb.2022.991998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
The intestinal microbiota play vital roles for health of wild birds in many ways. Migratory birds with unique life history might increase the risk of pathogenic transmission across the regions. However, few studies have clarified the fungal community structure and inferred the potential pathogens in guts of migratory birds. The high-throughput sequencing method was applied to analyze the fungal community structure and detect the potential fungal pathogens in guts of hooded cranes among different wintering stages. Significant differences were found in gut fungal community composition of hooded cranes among three wintering stages, with the lowest fungal diversity in the late wintering stage. In the late stage, hooded cranes harbored higher relative abundance of plant saprotroph, contributing to food digestion for hosts. Hooded cranes were associated with the lowest diversity and relative abundance of animal pathogens in the late wintering stage. There was an increasing trend of deterministic process for gut fungal community assembly, suggesting that hosts interaction with their fungal communities changed by enhanced gut selection/filtering along wintering periods. Hooded crane was associated with the strongest gut selection/filtering to obtain defined gut fungal community with retaining probiotics (i.e., plant saprotroph) and exclusion of certain pathogens in the late wintering stage. Overall, these results demonstrated that hooded cranes might regulate their gut microbiota to enhance digestion and decrease gut pathogens in preparation for long-term migration.
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Affiliation(s)
- Yuannuo Wu
- School of Resources and Environmental Engineering, Anhui University, Hefei, China
- International Collaborative Research Center for Huangshan Biodiversity and Tibetan Macaque Behavioral Ecology, Hefei, China
| | - Zihan Li
- School of Resources and Environmental Engineering, Anhui University, Hefei, China
| | - Jingru Zhao
- School of Resources and Environmental Engineering, Anhui University, Hefei, China
- Anhui Province Key Laboratory of Wetland Ecosystem Protection and Restoration, Hefei, China
| | - Zhong Chen
- School of Resources and Environmental Engineering, Anhui University, Hefei, China
- International Collaborative Research Center for Huangshan Biodiversity and Tibetan Macaque Behavioral Ecology, Hefei, China
- *Correspondence: Zhong Chen,
| | - Xingjia Xiang
- School of Resources and Environmental Engineering, Anhui University, Hefei, China
- International Collaborative Research Center for Huangshan Biodiversity and Tibetan Macaque Behavioral Ecology, Hefei, China
- Anhui Province Key Laboratory of Wetland Ecosystem Protection and Restoration, Hefei, China
- Xingjia Xiang,
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Li WJ, Zhang L, Wu HX, Li M, Wang T, Zhang WB, Du ZY, Zhang ML. Intestinal Microbiota Mediates Gossypol-Induced Intestinal Inflammation, Oxidative Stress, and Apoptosis in Fish. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:6688-6697. [PMID: 35635005 DOI: 10.1021/acs.jafc.2c01263] [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] [Indexed: 06/15/2023]
Abstract
Gossypol, the main antinutritional factor in cottonseed protein concentrate (CPC), could affect the growth conditions of fish, but the underlying mechanism remains unclear. In this study, an 8-week feeding trial was carried out to investigate the effects of gossypol on Nile tilapia (Oreochromis niloticus). Three experimental diets were designed, including control diet (CON), control diet supplemented with 150 mg/kg gossypol (ML), and 300 mg/kg gossypol (MH). 16S rRNA gene sequencing showed that gossypol significantly reduced the richness and diversity of the gut microbiota. Untargeted metabolite analysis revealed that most metabolites were down-regulated by gossypol, and riboflavin was the key metabolite with significant difference between CON-treated and gossypol-treated groups. Gossypol caused intestinal inflammation, oxidative stress, and apoptosis. Through fecal bacteria transplantation experiments, we demonstrated that intestinal microbiota mediated gossypol-induced negative effects, suggesting that intestinal microbiota and its metabolite may account for the harmful effects of gossypol.
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Affiliation(s)
- Wei-Jie Li
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Le Zhang
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Hong-Xia Wu
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Miao Li
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Tong Wang
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Wen-Bing Zhang
- The Key Laboratory of Mariculture, Ministry of Education, The Key Laboratory of Aquaculture Nutrition and Feeds, Ministry of Agriculture, Ocean University of China, Qingdao 266003, China
| | - Zhen-Yu Du
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Mei-Ling Zhang
- School of Life Sciences, East China Normal University, Shanghai 200241, China
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Hernández-Mendoza A, González-Córdova AF, Martínez-Porchas M. Influence of Probiotics on the Animal Gut Microbiota and Their Impact on the Bioavailability of Toxic Agents: An Opinion Paper. Front Nutr 2022; 9:870162. [PMID: 35520280 PMCID: PMC9063094 DOI: 10.3389/fnut.2022.870162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 04/04/2022] [Indexed: 11/24/2022] Open
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