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Schumacher SM, Doyle WJ, Hill K, Ochoa-Repáraz J. Gut microbiota in multiple sclerosis and animal models. FEBS J 2024. [PMID: 38817090 DOI: 10.1111/febs.17161] [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: 10/17/2023] [Revised: 04/15/2024] [Accepted: 05/10/2024] [Indexed: 06/01/2024]
Abstract
Multiple sclerosis (MS) is a chronic central nervous system (CNS) neurodegenerative and neuroinflammatory disease marked by a host immune reaction that targets and destroys the neuronal myelin sheath. MS and correlating animal disease models show comorbidities, including intestinal barrier disruption and alterations of the commensal microbiome. It is accepted that diet plays a crucial role in shaping the microbiota composition and overall gastrointestinal (GI) tract health, suggesting an interplay between nutrition and neuroinflammation via the gut-brain axis. Unfortunately, poor host health and diet lead to microbiota modifications that could lead to significant responses in the host, including inflammation and neurobehavioral changes. Beneficial microbial metabolites are essential for host homeostasis and inflammation control. This review will highlight the importance of the gut microbiota in the context of host inflammatory responses in MS and MS animal models. Additionally, microbial community restoration and how it affects MS and GI barrier integrity will be discussed.
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Affiliation(s)
| | - William J Doyle
- Department of Biological Sciences, Boise State University, ID, USA
| | - Kristina Hill
- Department of Biological Sciences, Boise State University, ID, USA
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2
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Tomas M, García-Pérez P, Rivera-Pérez A, Patrone V, Giuberti G, Lucini L, Capanoglu E. The addition of polysaccharide gums to Aronia melanocarpa purees modulates the bioaccessibility of phenolic compounds and gut microbiota: A multiomics data fusion approach following in vitro digestion and fermentation. Food Chem 2024; 439:138231. [PMID: 38113658 DOI: 10.1016/j.foodchem.2023.138231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 12/11/2023] [Accepted: 12/15/2023] [Indexed: 12/21/2023]
Abstract
This study aimed to determine how the addition of gellan, guar, locust bean, and xanthan gums affected the polyphenol profile of Aronia melanocarpa puree and the human gut microbiota after in vitro gastrointestinal digestion and large intestine fermentation. The different gums distinctively affected the content and bioaccessibility of phenolics in Aronia puree, as outlined by untargeted metabolomics. The addition of locust bean gum increased the levels of low-molecular-weight phenolics and phenolic acids after digestion. Gellan and guar gums enhanced phenolic acids' bioaccessibility after fermentation. Interactions between digestion products and fecal bacteria altered the composition of the microbiota, with the greatest impact of xanthan. Locust bean gum promoted the accumulation of different taxa with health-promoting properties. Our findings shed light on the added-value properties of commercial gums as food additives, promoting a distinctive increase of polyphenol bioaccessibility and shifting the gut microbiota distribution, depending on their composition and structural features.
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Affiliation(s)
- Merve Tomas
- Department of Food Engineering, Faculty of Engineering and Natural Sciences, Istanbul Sabahattin Zaim University, 34303 Halkali, Istanbul, Turkey
| | - Pascual García-Pérez
- Department for Sustainable Food Process - DiSTAS, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy; Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Instituto de Agroecoloxía e Alimentación (IAA) - CITEXVI, 36310 Vigo, Spain
| | - Araceli Rivera-Pérez
- Research Group "Analytical Chemistry of Contaminants", Department of Chemistry and Physics, Research Centre for Mediterranean Intensive Agrosystems and Agrifood Biotechnology (CIAIMBITAL), Agrifood Campus of International Excellence (ceiA3), University of Almeria, 04120 Almeria, Spain
| | - Vania Patrone
- Department for Sustainable Food Process - DiSTAS, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Gianluca Giuberti
- Department for Sustainable Food Process - DiSTAS, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Luigi Lucini
- Department for Sustainable Food Process - DiSTAS, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy.
| | - Esra Capanoglu
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, 34469 Maslak, Istanbul, Turkey
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3
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Jank L, Bhargava P. Relationship Between Multiple Sclerosis, Gut Dysbiosis, and Inflammation: Considerations for Treatment. Neurol Clin 2024; 42:55-76. [PMID: 37980123 DOI: 10.1016/j.ncl.2023.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2023]
Abstract
Multiple sclerosis is associated with gut dysbiosis, marked by changes in the relative abundances of specific microbes, circulating gut-derived metabolites, and altered gut permeability. This gut dysbiosis promotes disease pathology by increasing circulating proinflammatory bacterial factors, reducing tolerogenic factors, inducing molecular mimicry, and changing microbial nutrient metabolism. Beneficial antiinflammatory effects of the microbiome can be harnessed in therapeutic interventions. In the future, it is essential to assess the efficacy of these therapies in randomized controlled clinical trials to help make dietary and gut dysbiosis management an integral part of multiple sclerosis care.
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Affiliation(s)
- Larissa Jank
- Division of Neuroimmunology and Neurological Infections, Department of Neurology, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Meyer 6-144, Baltimore, MD 21287, USA
| | - Pavan Bhargava
- Division of Neuroimmunology and Neurological Infections, Department of Neurology, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Meyer 6-144, Baltimore, MD 21287, USA.
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Tan J, Ribeiro RV, Barker C, Daien C, De Abreu Silveira E, Holmes A, Nanan R, Simpson SJ, Macia L. Functional profiling of gut microbial and immune responses toward different types of dietary fiber: a step toward personalized dietary interventions. Gut Microbes 2023; 15:2274127. [PMID: 37942526 PMCID: PMC10730188 DOI: 10.1080/19490976.2023.2274127] [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: 06/08/2023] [Accepted: 10/18/2023] [Indexed: 11/10/2023] Open
Abstract
Dietary fiber plays a crucial role in maintaining gut and overall health. The objective of this study was to investigate whether different types of dietary fiber elicited specific changes in gut microbiota composition and the production of short-chain fatty acids. To test this, a longitudinal crossover study design was employed, in which healthy adult women consumed three distinct dietary fiber supplements: Inulin (fructo-oligosaccharide), Vitafiber (isomalto-oligosaccharide), and Fibremax (mixture of different fiber) during a one-week intervention period, followed by a 2-week washout period. A total of 15 g of soluble fiber was consumed daily for each supplement. Samples were collected before and after each intervention to analyze the composition of the gut microbiota by 16S rRNA sequencing and fecal levels of short-chain fatty acids measured using nuclear magnetic resonance. Phenotypic changes in peripheral blood mononuclear cells were studied in subsets of participants with higher SCFA levels post-intervention using spectral flow cytometry. The results revealed substantial stability and resilience of the overall gut bacterial community toward fiber-induced changes. However, each supplement had specific effects on gut bacterial alpha and beta diversity, SCFA production, and immune changes. Inulin consistently exerted the most pronounced effect across individuals and certain taxa were identified as potential indicators of SCFA production in response to inulin supplementation. This distinguishing feature was not observed for the other fiber supplements. Further large-scale studies are required to confirm these findings. Overall, our study implies that personalized dietary fiber intervention could be tailored to promote the growth of beneficial bacteria to maximize SCFA production and associated health benefits.
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Affiliation(s)
- Jian Tan
- Charles Perkins Centre, The University of Sydney, Sydney, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
| | - Rosilene V. Ribeiro
- Charles Perkins Centre, The University of Sydney, Sydney, Australia
- Centre for Education and Research on Ageing and Alzheimer’s Institute, Concord Hospital, University of Sydney, Sydney, Australia
- School of Life and Environmental Sciences, University of Sydney, Sydney, New South Wales, Australia
| | - Christopher Barker
- Charles Perkins Centre, The University of Sydney, Sydney, Australia
- School of Life and Environmental Sciences, University of Sydney, Sydney, New South Wales, Australia
| | - Claire Daien
- Rheumatology, teaching hospital of Montpellier and University of Montpellier, Montpellier, France
- Inserm U1046, CNRS UMR 9214, Physiologie et Médecine Expérimentale du Cœur et des Muscles, (PhyMedExp), Montpellier, France
| | - Erick De Abreu Silveira
- Charles Perkins Centre, The University of Sydney, Sydney, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
| | - Andrew Holmes
- Charles Perkins Centre, The University of Sydney, Sydney, Australia
- School of Life and Environmental Sciences, University of Sydney, Sydney, New South Wales, Australia
| | - Ralph Nanan
- Charles Perkins Centre, The University of Sydney, Sydney, Australia
- Sydney Medical School and Charles Perkins Centre Nepean, The University of Sydney, Sydney, Australia
| | - Stephen J. Simpson
- Charles Perkins Centre, The University of Sydney, Sydney, Australia
- School of Life and Environmental Sciences, University of Sydney, Sydney, New South Wales, Australia
| | - Laurence Macia
- Charles Perkins Centre, The University of Sydney, Sydney, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
- Sydney Cytometry, The University of Sydney and The Centenary Institute, Sydney, Australia
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Yadav SK, Ito K, Dhib-Jalbut S. Interaction of the Gut Microbiome and Immunity in Multiple Sclerosis: Impact of Diet and Immune Therapy. Int J Mol Sci 2023; 24:14756. [PMID: 37834203 PMCID: PMC10572709 DOI: 10.3390/ijms241914756] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/24/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
The bidirectional communication between the gut and central nervous system (CNS) through microbiota is known as the microbiota-gut-brain axis. The brain, through the enteric neural innervation and the vagus nerve, influences the gut physiological activities (motility, mucin, and peptide secretion), as well as the development of the mucosal immune system. Conversely, the gut can influence the CNS via intestinal microbiota, its metabolites, and gut-homing immune cells. Growing evidence suggests that gut immunity is critically involved in gut-brain communication during health and diseases, including multiple sclerosis (MS). The gut microbiota can influence the development and function of gut immunity, and conversely, the innate and adaptive mucosal immunity can influence microbiota composition. Gut and systemic immunity, along with gut microbiota, are perturbed in MS. Diet and disease-modifying therapies (DMTs) can affect the composition of the gut microbial community, leading to changes in gut and peripheral immunity, which ultimately affects MS. A high-fat diet is highly associated with gut dysbiosis-mediated inflammation and intestinal permeability, while a high-fiber diet/short-chain fatty acids (SCFAs) can promote the development of Foxp3 Tregs and improvement in intestinal barrier function, which subsequently suppress CNS autoimmunity in the animal model of MS (experimental autoimmune encephalomyelitis or EAE). This review will address the role of gut immunity and its modulation by diet and DMTs via gut microbiota during MS pathophysiology.
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Affiliation(s)
- Sudhir Kumar Yadav
- Department of Neurology, Rutgers-Robert Wood Johnson Medical School, Piscataway, NJ 08854, USA; (S.K.Y.); (K.I.)
| | - Kouichi Ito
- Department of Neurology, Rutgers-Robert Wood Johnson Medical School, Piscataway, NJ 08854, USA; (S.K.Y.); (K.I.)
| | - Suhayl Dhib-Jalbut
- Department of Neurology, Rutgers-Robert Wood Johnson Medical School, Piscataway, NJ 08854, USA; (S.K.Y.); (K.I.)
- Rutgers New Jersey Medical School, Newark, NJ 07101, USA
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Ng KM, Pannu S, Liu S, Burckhardt JC, Hughes T, Van Treuren W, Nguyen J, Naqvi K, Nguyen B, Clayton CA, Pepin DM, Collins SR, Tropini C. Single-strain behavior predicts responses to environmental pH and osmolality in the gut microbiota. mBio 2023; 14:e0075323. [PMID: 37432034 PMCID: PMC10470613 DOI: 10.1128/mbio.00753-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 05/23/2023] [Indexed: 07/12/2023] Open
Abstract
Changes to gut environmental factors such as pH and osmolality due to disease or drugs correlate with major shifts in microbiome composition; however, we currently cannot predict which species can tolerate such changes or how the community will be affected. Here, we assessed the growth of 92 representative human gut bacterial strains spanning 28 families across multiple pH values and osmolalities in vitro. The ability to grow in extreme pH or osmolality conditions correlated with the availability of known stress response genes in many cases, but not all, indicating that novel pathways may participate in protecting against acid or osmotic stresses. Machine learning analysis uncovered genes or subsystems that are predictive of differential tolerance in either acid or osmotic stress. For osmotic stress, we corroborated the increased abundance of these genes in vivo during osmotic perturbation. The growth of specific taxa in limiting conditions in isolation in vitro correlated with survival in complex communities in vitro and in an in vivo mouse model of diet-induced intestinal acidification. Our data show that in vitro stress tolerance results are generalizable and that physical parameters may supersede interspecies interactions in determining the relative abundance of community members. This study provides insight into the ability of the microbiota to respond to common perturbations that may be encountered in the gut and provides a list of genes that correlate with increased ability to survive in these conditions. IMPORTANCE To achieve greater predictability in microbiota studies, it is crucial to consider physical environmental factors such as pH and particle concentration, as they play a pivotal role in influencing bacterial function and survival. For example, pH is significantly altered in various diseases, including cancers, inflammatory bowel disease, as well in the case of over-the-counter drug use. Additionally, conditions like malabsorption can affect particle concentration. In our study, we investigate how changes in environmental pH and osmolality can serve as predictive indicators of bacterial growth and abundance. Our research provides a comprehensive resource for anticipating shifts in microbial composition and gene abundance during complex perturbations. Moreover, our findings underscore the significance of the physical environment as a major driver of bacterial composition. Finally, this work emphasizes the necessity of incorporating physical measurements into animal and clinical studies to better understand the factors influencing shifts in microbiota abundance.
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Affiliation(s)
- Katharine M. Ng
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, Canada
- School of Biomedical Engineering, University of British Columbia, Vancouver, Canada
| | - Sagar Pannu
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, Canada
| | - Sijie Liu
- School of Biomedical Engineering, University of British Columbia, Vancouver, Canada
| | - Juan C. Burckhardt
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, Canada
| | - Thad Hughes
- Independent Researcher, Vancouver, British Columbia, Canada
| | - Will Van Treuren
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California, USA
| | - Jen Nguyen
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, Canada
| | - Kisa Naqvi
- School of Biomedical Engineering, University of British Columbia, Vancouver, Canada
| | - Bachviet Nguyen
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, Canada
| | - Charlotte A. Clayton
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, Canada
| | - Deanna M. Pepin
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, Canada
| | - Samuel R. Collins
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, Canada
| | - Carolina Tropini
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, Canada
- School of Biomedical Engineering, University of British Columbia, Vancouver, Canada
- Humans and the Microbiome Program, Canadian Institute for Advanced Research, Toronto, Canada
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Bugbee E, Wang AA, Gommerman JL. Under the influence: environmental factors as modulators of neuroinflammation through the IL-10/IL-10R axis. Front Immunol 2023; 14:1188750. [PMID: 37600781 PMCID: PMC10435745 DOI: 10.3389/fimmu.2023.1188750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 07/12/2023] [Indexed: 08/22/2023] Open
Abstract
The IL-10/IL-10 receptor (IL-10R) axis plays an important role in attenuating neuroinflammation in animal models of Multiple Sclerosis (MS) and increased IL-10 has been associated with a positive response to MS disease modifying therapy. Because environmental factors play an important role in MS susceptibility and disease course, identification of environmental factors that impact the IL-10/IL-10R axis has therapeutic potential. In this review, we provide historical and updated perspectives of how IL-10R signaling impacts neuroinflammation, discuss environmental factors and intestinal microbes with known impacts on the IL-10/IL-10R axis, and provide a hypothetical model for how B cells, via their production of IL-10, may be important in conveying environmental "information" to the inflamed central nervous system.
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Plafker SM, Titcomb T, Zyla-Jackson K, Kolakowska A, Wahls T. Overview of diet and autoimmune demyelinating optic neuritis: a narrative review. IMMUNOMETABOLISM (COBHAM (SURREY, ENGLAND)) 2023; 5:e00022. [PMID: 37128292 PMCID: PMC10144304 DOI: 10.1097/in9.0000000000000022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 03/29/2023] [Indexed: 05/03/2023]
Abstract
This review summarizes the cellular and molecular underpinnings of autoimmune demyelinating optic neuritis (ADON), a common sequela of multiple sclerosis and other demyelinating diseases. We further present nutritional interventions tested for people with multiple sclerosis focusing on strategies that have shown efficacy or associations with disease course and clinical outcomes. We then close by discuss the potential dietary guidance for preventing and/or ameliorating ADON.
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Affiliation(s)
- Scott M. Plafker
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- *Correspondence: Scott M. Plafker, E-mail:
| | - Tyler Titcomb
- Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Katarzyna Zyla-Jackson
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Aneta Kolakowska
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Terry Wahls
- Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
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Hoffman K, Doyle WJ, Schumacher SM, Ochoa-Repáraz J. Gut microbiome-modulated dietary strategies in EAE and multiple sclerosis. Front Nutr 2023; 10:1146748. [PMID: 37063324 PMCID: PMC10090556 DOI: 10.3389/fnut.2023.1146748] [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: 01/17/2023] [Accepted: 03/14/2023] [Indexed: 03/31/2023] Open
Abstract
Over the last few decades, the incidence of multiple sclerosis has increased as society's dietary habits have switched from a whole foods approach to a high fat, high salt, low dietary fiber, and processed food diet, termed the "Western diet." Environmental factors, such as diet, could play a role in the pathogenesis of multiple sclerosis due to gut microbiota alterations, gut barrier leakage, and subsequent intestinal inflammation that could lead to exacerbated neuroinflammation. This mini-review explores the gut microbiome alterations of various dietary strategies that improve upon the "Western diet" as promising alternatives and targets to current multiple sclerosis treatments. We also provide evidence that gut microbiome modulation through diet can improve or exacerbate clinical symptoms of multiple sclerosis, highlighting the importance of including gut microbiome analyses in future studies of diet and disease.
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Affiliation(s)
| | | | | | - Javier Ochoa-Repáraz
- Department of Biological Sciences, Boise State University, Boise, ID, United States
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Guo H, Li B, Gao M, Li Q, Gao Y, Dong N, Liu G, Wang Z, Gao W, Chen Y, Yang Y. Dietary Nutritional Level Affects Intestinal Microbiota and Health of Goats. Microorganisms 2022; 10:microorganisms10122322. [PMID: 36557575 PMCID: PMC9781347 DOI: 10.3390/microorganisms10122322] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 11/21/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022] Open
Abstract
The intestine is a complex micro-ecosystem, and its stability determines the health of animals. Different dietary nutritional levels affect the intestinal microbiota and health. In this study, the nutritional levels of energy and protein in the diet of goats were changed, and the body weight was measured every 15 days. In the late feeding period, 16 S rRNA sequencing technology was used to detect the content of microorganisms. A meteorological chromatograph was used to detect volatile fatty acids in the cecum and colon of goats. In the feeding stage, reducing the nutritional level of the diet significantly reduced the weight of the lamb (p < 0.05). In the cecum, the abundance of potentially harmful bacteria, such as Sphingomonas, Marvinbryantia, and Eisenbergiella, were significantly enriched in goats fed with the standard nutritional level diets (p < 0.05). Additionally, the contents of acetate (p = 0.037) and total VFAs (p = 0.041) increased. In the colon, the abundance of SCFAs-producing bacteria, such as Ruminococcaceae, Christensenellaceae, and Papillibacter, decreased as the nutritional level in the diet increased (p < 0.05). In conclusion, the increase in nutritional level could affect the growth performance and composition of intestinal microbiota.
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Affiliation(s)
- Hongran Guo
- Innovative Research Team of Sheep and Goat, College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China
| | - Bibo Li
- College of Animal Science, Shanxi Agricultural University, Jinzhong 030801, China
| | - Meiqi Gao
- Innovative Research Team of Sheep and Goat, College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China
| | - Qian Li
- Innovative Research Team of Sheep and Goat, College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China
| | - Yawei Gao
- Innovative Research Team of Sheep and Goat, College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China
| | - Ning Dong
- Innovative Research Team of Sheep and Goat, College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China
| | - Gongwei Liu
- Innovative Research Team of Sheep and Goat, College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China
| | - Zhichao Wang
- Innovative Research Team of Sheep and Goat, College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China
| | - Wenrui Gao
- Hengshan District Animal Husbandry Bureau, Yulin 719000, China
| | - Yulin Chen
- Innovative Research Team of Sheep and Goat, College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China
| | - Yuxin Yang
- Innovative Research Team of Sheep and Goat, College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China
- Correspondence:
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