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Abbasi A, Bazzaz S, Da Cruz AG, Khorshidian N, Saadat YR, Sabahi S, Ozma MA, Lahouty M, Aslani R, Mortazavian AM. A Critical Review on Akkermansia muciniphila: Functional Mechanisms, Technological Challenges, and Safety Issues. Probiotics Antimicrob Proteins 2024; 16:1376-1398. [PMID: 37432597 DOI: 10.1007/s12602-023-10118-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/28/2023] [Indexed: 07/12/2023]
Abstract
Due to its physiological benefits from in vitro and in vivo points of view, Akkermansia muciniphila, a common colonizer in the human gut mucous layer, has consistently been identified as an option for the next-generation probiotic. A. muciniphila is a significant bacterium that promotes host physiology. However, it also has a great deal of potential to become a probiotic due to its physiological advantages in a variety of therapeutic circumstances. Therefore, it can be established that the abundance of A. muciniphila in the gut environment, which is controlled by many genetic and dietary variables, is related to the biological behaviors of the intestinal microbiota and gut dysbiosis/eubiosis circumstances. Before A. muciniphila is widely utilized as a next-generation probiotic, regulatory obstacles, the necessity for significant clinical trials, and the sustainability of manufacturing must be eliminated. In this review, the outcomes of recent experimental and clinical reports are comprehensively reviewed, and common colonization patterns, main factors involved in the colonization of A. muciniphila in the gut milieu, their functional mechanisms in establishing homeostasis in the metabolic and energy pathways, the promising delivery role of microencapsulation, potential genetic engineering strategies, and eventually safety issues of A. muciniphila have been discussed.
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Affiliation(s)
- Amin Abbasi
- Student Research Committee, Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sara Bazzaz
- Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Adriano G Da Cruz
- Department of Food Processing, Federal Institute of Science and Technology Education of Rio de Janeiro (IFRJ) - Campus Maracanã, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Nasim Khorshidian
- Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Sahar Sabahi
- Department of Nutrition, School of Allied Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mahdi Asghari Ozma
- Department of Medical Bacteriology and Virology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Masoud Lahouty
- Department of Microbiology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Ramin Aslani
- Food Safety and Hygiene Division, Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Amir M Mortazavian
- Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Kattel A, Aro V, Lahtvee P, Kazantseva J, Jõers A, Nahku R, Belouah I. Exploring the resilience and stability of a defined human gut microbiota consortium: An isothermal microcalorimetric study. Microbiologyopen 2024; 13:e1430. [PMID: 39115291 PMCID: PMC11307317 DOI: 10.1002/mbo3.1430] [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: 04/12/2024] [Revised: 07/08/2024] [Accepted: 07/20/2024] [Indexed: 08/11/2024] Open
Abstract
The gut microbiota significantly contributes to human health and well-being. The aim of this study was to evaluate the stability and resilience of a consortium composed of three next-generation probiotics (NGPs) candidates originally found in the human gut. The growth patterns of Akkermansia muciniphila, Bacteroides thetaiotaomicron, and Faecalibacterium prausnitzii were studied both individually and consortium. The growth kinetics of Akkermansia muciniphila (A. muciniphila), Bacteroides thetaiotaomicron (B. thetaiotaomicron), and Faecalibacterium prausnitzii (F. prausnitzii) were characterized both individually and in consortium using isothermal microcalorimetry and 16S ribosomal RNA next-generation sequencing. The consortium reached stability after three passages and demonstrated resilience to changes in its initial composition. The concentration of butyrate produced was nearly twice as high in the consortium compared to the monoculture of F. prausnitzii. The experimental conditions and methodologies used in this article are a solid foundation for developing further complex consortia.
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Affiliation(s)
- Anna Kattel
- Department of Chemistry and BiotechnologyTallinn University of TechnologyTallinnEstonia
- Bioprocess OptimizationCenter of Food and Fermentation TechnologiesTallinnEstonia
| | - Valter Aro
- Department of Chemistry and BiotechnologyTallinn University of TechnologyTallinnEstonia
- Cell BiologyUniversity of Tartu, Institute of TechnologyTartuEstonia
| | | | | | - Arvi Jõers
- Cell BiologyUniversity of Tartu, Institute of TechnologyTartuEstonia
| | - Ranno Nahku
- Bioprocess OptimizationCenter of Food and Fermentation TechnologiesTallinnEstonia
| | - Isma Belouah
- Bioprocess OptimizationCenter of Food and Fermentation TechnologiesTallinnEstonia
- Cell BiologyUniversity of Tartu, Institute of TechnologyTartuEstonia
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Ferreira H, Duarte D, Carneiro TJ, Costa C, Barbosa JC, Rodrigues JE, Alves P, Vasconcelos M, Pinto E, Gomes A, Gil AM. Impact of a legumes diet on the human gut microbiome articulated with fecal and plasma metabolomes: A pilot study. Clin Nutr ESPEN 2024; 63:332-345. [PMID: 38964655 DOI: 10.1016/j.clnesp.2024.06.051] [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: 04/18/2024] [Revised: 06/12/2024] [Accepted: 06/27/2024] [Indexed: 07/06/2024]
Abstract
BACKGROUND & AIMS Legumes intake is known to be associated with several health benefits the origins of which is still a matter of debate. This paper addresses a pilot small cohort to probe for metabolic aspects of the interplay between legumes intake, human metabolism and gut microbiota. METHODS Untargeted nuclear magnetic resonance (NMR) metabolomics of blood plasma and fecal extracts was carried out, in tandem with qPCR analysis of feces, to assess the impact of an 8-week pilot legumes diet intervention on the fecal and plasma metabolomes and gut microbiota of 19 subjects. RESULTS While the high inter-individual variability hindered the detection of statistically significant changes in the gut microbiome, increased fecal glucose and decreased threonine levels were noted. Correlation analysis between the microbiome and fecal metabolome lead to putative hypotheses regarding the metabolic activities of prevalent bacteria groups (Clostridium leptum subgroup, Roseburia spp., and Faecalibacterium prausnitzii). These included elevated fecal glucose as a preferential energy source, the involvement of valerate/isovalerate and reduced protein degradation in gut microbiota. Plasma metabolomics advanced mannose and betaine as potential markers of legume intake and unveiled a decrease in formate and ketone bodies, the latter suggesting improved energy utilization through legume carbohydrates. Amino acid metabolism was also apparently affected, as suggested by lowered urea, histidine and threonine levels. CONCLUSIONS Despite the high inter-individual gut microbiome variability characterizing the small cohort addressed, combination of microbiological measurements and untargeted metabolomics unveiled several metabolic effects putatively related to legumes intake. If confirmed in larger cohorts, our findings will support the inclusion of legumes in diets and contribute valuable new insight into the origins of associated health benefits.
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Affiliation(s)
- Helena Ferreira
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal; Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Daniela Duarte
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Tatiana J Carneiro
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Célia Costa
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal
| | - Joana C Barbosa
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal
| | - João E Rodrigues
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Paulo Alves
- Universidade Católica Portuguesa, CIIS - Centro de Investigação Interdisciplinar em Saúde, Escola Enfermagem (Porto), Portugal
| | - Marta Vasconcelos
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal
| | - Elisabete Pinto
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal; EPIUnit - Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
| | - Ana Gomes
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal
| | - Ana M Gil
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal.
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Tao Y, Peng F, Wang L, Sun J, Ding Y, Xiong S, Tenzin U, MiMa, Nhamdriel T, Fan G. Ji-Ni-De-Xie ameliorates type 2 diabetes mellitus by modulating the bile acids metabolism and FXR/FGF15 signaling pathway. Front Pharmacol 2024; 15:1383896. [PMID: 38835663 PMCID: PMC11148236 DOI: 10.3389/fphar.2024.1383896] [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: 02/08/2024] [Accepted: 04/22/2024] [Indexed: 06/06/2024] Open
Abstract
Introduction: Ji-Ni-De-Xie (JNDX) is a traditional herbal preparation in China. It is widely used to treat type 2 diabetes mellitus (T2DM) in traditional Tibetan medicine system. However, its antidiabetic mechanisms have not been elucidated. The aim of this study is to elucidate the underlying mechanism of JNDX on bile acids (BAs) metabolism and FXR/FGF15 signaling pathway in T2DM rats. Methods: High-performance liquid chromatography-triple quadrupole mass spectrometry (HPLC-QQQ-MS) and UPLC-Q-Exactive Orbitrap MS technology were used to identify the constituents in JNDX. High-fat diet (HFD) combined with streptozotocin (45 mg∙kg-1) (STZ) was used to establish a T2DM rat model, and the levels of fasting blood-glucose (FBG), glycosylated serum protein (GSP), homeostasis model assessment of insulin resistance (HOMA-IR), LPS, TNF-α, IL-1β, IL-6, TG, TC, LDL-C, HDL-C, and insulin sensitivity index (ISI) were measured to evaluate the anti-diabetic activity of JNDX. In addition, metagenomic analysis was performed to detect changes in gut microbiota. The metabolic profile of BAs was analyzed by HPLC-QQQ-MS. Moreover, the protein and mRNA expressions of FXR and FGF15 in the colon and the protein expressions of FGF15 and CYP7A1 in the liver of T2DM rats were measured by western blot and RT-qPCR. Results: A total of 12 constituents were identified by HPLC-QQQ-MS in JNDX. Furthermore, 45 chemical components in serum were identified from JNDX via UPLC-Q-Exactive Orbitrap MS technology, including 22 prototype components and 23 metabolites. Using a T2DM rat model, we found that JNDX (0.083, 0.165 and 0.33 g/kg) reduced the levels of FBG, GSP, HOMA-IR, LPS, TNF-α, IL-1β, IL-6, TG, TC, and LDL-C, and increased ISI and HDL-C levels in T2DM rats. Metagenomic results demonstrated that JNDX treatment effectively improved gut microbiota dysbiosis, including altering some bacteria (e.g., Streptococcus and Bacteroides) associated with BAs metabolism. Additionally, JNDX improved BAs disorder in T2DM rats, especially significantly increasing cholic acid (CA) levels and decreasing ursodeoxycholic acid (UDCA) levels. Moreover, the protein and mRNA expressions of FXR and FGF15 of T2DM rats were significantly increased, while the expression of CYP7A1 protein in the liver was markedly inhibited by JNDX. Discussion: JNDX can effectively improve insulin resistance, hyperglycemia, hyperlipidemia, and inflammation in T2DM rats. The mechanism is related to its regulation of BAs metabolism and activation of FXR/FGF15 signaling pathway.
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Affiliation(s)
- Yiwen Tao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Fang Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lijie Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jiayi Sun
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yin Ding
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Shuangfeng Xiong
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ugen Tenzin
- Dege County Tibetan Hospital (Institute of Tibetan Medicine), Dege, China
| | - MiMa
- Department of Tibetan Medicine, University of Tibetan Medicine, Lhasa, China
| | - Tsedien Nhamdriel
- Department of Tibetan Medicine, University of Tibetan Medicine, Lhasa, China
| | - Gang Fan
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Meishan Hospital of Chengdu University of Traditional Chinese Medicine, Meishan, China
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Li L, Qiu Z, Bai X, Zhu W, Ali I, Ma C, Zheng Z, Qiao X. Integrated Mechanism of Immune Response Modulation by Arctium Lappa L. Fructans Based on Microbiome and Metabolomics Technologies. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:10981-10994. [PMID: 38691768 DOI: 10.1021/acs.jafc.4c01299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
Arctium lappa L. is widely consumed for its various biological effects, and polysaccharides are its main functional components. The present study aimed to evaluate the immunoregulatory effects of the main polysaccharides from burdock (ALP-1) and reveal the underlying mechanisms. ALP-1 consisted of fructose and glucose (14.57:1) and had a molecular weight of 2757 Da, with typical characteristics of (1 → 2)-linked linear fructans. Oral intake of ALP-1 significantly increased the number of colonic goblet cells, serum immunoglobulin A and immunoglobulin G levels, and fecal secretory immunoglobulin A content as well as up-regulated antioxidant enzymes and increased short chain fatty acid production. In addition, ALP-1 administration regulated pro/anti-inflammatory cytokines (i.e., interleukin (IL)-1β, IL-6, tumor necrosis factor-α, interferon-γ, and IL-10), intestinal microbiota structure, and the spatial information on key metabolites. Some gut-microbiota-mediated metabolic processes were also significantly altered. These results indicated that ALP-1 could exert beneficial effects on immune responses and intestinal health in healthy mice.
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Affiliation(s)
- Lingyu Li
- Key Laboratory of Food Nutrition and Health in Universities of Shandong, College of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong 271018, PR China
| | - Zhichang Qiu
- Key Laboratory of Food Nutrition and Health in Universities of Shandong, College of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong 271018, PR China
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Xinyan Bai
- Key Laboratory of Food Nutrition and Health in Universities of Shandong, College of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong 271018, PR China
- Laboratory of Chemistry of Natural Molecules, Gembloux Agro-Bio Tech, University of Liége, Passage des déportés 2, Gembloux B-5030, Belgium
| | - Wenqing Zhu
- Key Laboratory of Food Nutrition and Health in Universities of Shandong, College of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong 271018, PR China
- Laboratory of Chemistry of Natural Molecules, Gembloux Agro-Bio Tech, University of Liége, Passage des déportés 2, Gembloux B-5030, Belgium
| | - Iftikhar Ali
- Department of Chemistry, Karakoram International University, Gilgit 15100, Pakistan
| | - Chunxia Ma
- Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250014, China
| | - Zhenjia Zheng
- Key Laboratory of Food Nutrition and Health in Universities of Shandong, College of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong 271018, PR China
| | - Xuguang Qiao
- Key Laboratory of Food Nutrition and Health in Universities of Shandong, College of Food Science and Engineering, Shandong Agricultural University, 61 Daizong Street, Tai'an, Shandong 271018, PR China
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Zhao S, Lau R, Chen MH. Influence of chain length on the colonic fermentation of xylooligosaccharides. Carbohydr Polym 2024; 331:121869. [PMID: 38388037 DOI: 10.1016/j.carbpol.2024.121869] [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: 11/03/2023] [Revised: 01/12/2024] [Accepted: 01/23/2024] [Indexed: 02/24/2024]
Abstract
Xylooligosaccharides (XOS) have been employed as prebiotics containing oligomers of varying sizes or molecular ratios. XOS with a low degree of polymerization (DP) has been demonstrated to have high prebiotic potential. However, there is limited information regarding the specific chain length of XOS required to elicit distinct responses in the gut microbiota. In this study, we aimed to explore whether variations in XOS DP could alter the fate of colonic fermentation. Five XOS fractions (BWXFs) with DP ranges of >40, 20-40, 10-20, 5-10, and 2-4 were prepared by beechwood xylan autohydrolysis and tested on human gut microbiota. Extracellular XOS degradation was observed for molecules with a DP exceeding 5. BWXF treatments altered the microbial community structures, and substrate size-dependent effects on the microbial composition and metabolic outputs were observed. Bacteroidaceae were specifically enriched by xylan. Lachnospiraceae were particularly stimulated by XOS with a DP of 20-40 and 2-4. Bifidobacteriaceae were notably enriched by XOS with a DP of 5-20. High butyrate yields were obtained from cultures containing long-chain BWXFs. Microbiota responses differed with XOS DP composition changes, and microbial competition with XOS with a DP of 2-4 requires further exploration.
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Affiliation(s)
- Sainan Zhao
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Block N1.2, 62 Nanyang Drive, 637459, Singapore.
| | - Raymond Lau
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Block N1.2, 62 Nanyang Drive, 637459, Singapore.
| | - Ming-Hsu Chen
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Block N1.2, 62 Nanyang Drive, 637459, Singapore; Institute of Food Science and Technology, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan.
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Al-Fakhrany OM, Elekhnawy E. Next-generation probiotics: the upcoming biotherapeutics. Mol Biol Rep 2024; 51:505. [PMID: 38619680 PMCID: PMC11018693 DOI: 10.1007/s11033-024-09398-5] [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: 02/15/2023] [Accepted: 02/28/2024] [Indexed: 04/16/2024]
Abstract
Recent and continuing advances in gut microbiome research have pointed out the role of the gut microbiota as an unexplored source of potentially beneficial probiotic microbes. Along the lines of these advances, both public awareness and acceptance of probiotics are increasing. That's why; academic and industrial research is dedicated to identifying and investigating new microbial strains for the development of next-generation probiotics (NGPs). At this time, there is a growing interest in NGPs as biotherapeutics that alter the gut microbiome and affect various diseases development. In this work, we have focused on some emergent and promising NGPs, specifically Eubacterium hallii, Faecalibacterium prausnitzii, Roseburia spp., Akkermansia muciniphila, and Bacteroides fragilis, as their presence in the gut can have an impact on the development of various diseases. Emerging studies point out the beneficial roles of these NGPs and open up novel promising therapeutic options. Interestingly, these NGPs were found to enhance gastrointestinal immunity, enhance immunotherapy efficacy in cancer patients, retain the intestinal barrier integrity, generate valuable metabolites, especially short-chain fatty acids, and decrease complications of chemotherapy and radiotherapy. Although many of these NGPs are considered promising for the prevention and treatment of several chronic diseases, research on humans is still lacking. Therefore, approval of these microbes from regulatory agencies is rare. Besides, some issues limit their wide use in the market, such as suitable methods for the culture and storage of these oxygen-sensitive microbes. The present review goes over the main points related to NGPs and gives a viewpoint on the key issues that still hinder their wide application. Furthermore, we have focused on the advancement in NGPs and human healthiness investigations by clarifying the limitations of traditional probiotic microorganisms, discussing the characteristics of emerging NGPs and defining their role in the management of certain ailments. Future research should emphasize the isolation, mechanisms of action of these probiotics, safety, and clinical efficacy in humans.
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Affiliation(s)
- Omnia Momtaz Al-Fakhrany
- Pharmaceutical Microbiology Department, Faculty of Pharmacy, Tanta University, Tanta, 31527, Egypt.
| | - Engy Elekhnawy
- Pharmaceutical Microbiology Department, Faculty of Pharmacy, Tanta University, Tanta, 31527, Egypt.
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Yang J, Qin K, Wang Q, Yang X. Deciphering the nutritional strategies for polysaccharides effects on intestinal barrier in broilers: Selectively promote microbial ecosystems. Int J Biol Macromol 2024; 264:130677. [PMID: 38458298 DOI: 10.1016/j.ijbiomac.2024.130677] [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: 09/07/2023] [Revised: 03/03/2024] [Accepted: 03/05/2024] [Indexed: 03/10/2024]
Abstract
The gut microbiota, a complex and dynamic microbial ecosystem, plays a crucial role in regulating the intestinal barrier. Polysaccharide foraging is specifically dedicated to establishing and maintaining microbial communities, contributing to the shaping of the intestinal ecosystem and ultimately enhancing the integrity of the intestinal barrier. The utilization and regulation of individual polysaccharides often rely on distinct gut-colonizing bacteria. The products of their metabolism not only benefit the formation of the ecosystem but also facilitate cross-feeding partnerships. In this review, we elucidate the mechanisms by which specific bacteria degrade polysaccharides, and how polysaccharide metabolism shapes the microbial ecosystem through cross-feeding. Furthermore, we explore how selectively promoting microbial ecosystems and their metabolites contributes to improvements in the integrity of the intestinal barrier.
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Affiliation(s)
- Jiantao Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Kailong Qin
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Qianggang Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Xiaojun Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China.
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9
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Wang Z, Peters BA, Yu B, Grove ML, Wang T, Xue X, Thyagarajan B, Daviglus ML, Boerwinkle E, Hu G, Mossavar-Rahmani Y, Isasi CR, Knight R, Burk RD, Kaplan RC, Qi Q. Gut Microbiota and Blood Metabolites Related to Fiber Intake and Type 2 Diabetes. Circ Res 2024; 134:842-854. [PMID: 38547246 PMCID: PMC10987058 DOI: 10.1161/circresaha.123.323634] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 02/14/2024] [Indexed: 04/02/2024]
Abstract
BACKGROUND Consistent evidence suggests diabetes-protective effects of dietary fiber intake. However, the underlying mechanisms, particularly the role of gut microbiota and host circulating metabolites, are not fully understood. We aimed to investigate gut microbiota and circulating metabolites associated with dietary fiber intake and their relationships with type 2 diabetes (T2D). METHODS This study included up to 11 394 participants from the HCHS/SOL (Hispanic Community Health Study/Study of Latinos). Diet was assessed with two 24-hour dietary recalls at baseline. We examined associations of dietary fiber intake with gut microbiome measured by shotgun metagenomics (350 species/85 genera and 1958 enzymes; n=2992 at visit 2), serum metabolome measured by untargeted metabolomics (624 metabolites; n=6198 at baseline), and associations between fiber-related gut bacteria and metabolites (n=804 at visit 2). We examined prospective associations of serum microbial-associated metabolites (n=3579 at baseline) with incident T2D over 6 years. RESULTS We identified multiple bacterial genera, species, and related enzymes associated with fiber intake. Several bacteria (eg, Butyrivibrio, Faecalibacterium) and enzymes involved in fiber degradation (eg, xylanase EC3.2.1.156) were positively associated with fiber intake, inversely associated with prevalent T2D, and favorably associated with T2D-related metabolic traits. We identified 159 metabolites associated with fiber intake, 47 of which were associated with incident T2D. We identified 18 of these 47 metabolites associated with the identified fiber-related bacteria, including several microbial metabolites (eg, indolepropionate and 3-phenylpropionate) inversely associated with the risk of T2D. Both Butyrivibrio and Faecalibacterium were associated with these favorable metabolites. The associations of fiber-related bacteria, especially Faecalibacterium and Butyrivibrio, with T2D were attenuated after further adjustment for these microbial metabolites. CONCLUSIONS Among United States Hispanics/Latinos, dietary fiber intake was associated with favorable profiles of gut microbiota and circulating metabolites for T2D. These findings advance our understanding of the role of gut microbiota and microbial metabolites in the relationship between diet and T2D.
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Affiliation(s)
- Zheng Wang
- Department of Epidemiology and Population Health (Z.W., B.A.P., T.W., X.X., Y.M.-R., C.R.I., R.D.B., R.C.K., Q.Q.), Albert Einstein College of Medicine, Bronx, NY
| | - Brandilyn A Peters
- Department of Epidemiology and Population Health (Z.W., B.A.P., T.W., X.X., Y.M.-R., C.R.I., R.D.B., R.C.K., Q.Q.), Albert Einstein College of Medicine, Bronx, NY
| | - Bing Yu
- Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, The University of Texas Health Science Center at Houston, Houston (B.Y., M.L.G., E.B.)
| | - Megan L Grove
- Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, The University of Texas Health Science Center at Houston, Houston (B.Y., M.L.G., E.B.)
| | - Tao Wang
- Department of Epidemiology and Population Health (Z.W., B.A.P., T.W., X.X., Y.M.-R., C.R.I., R.D.B., R.C.K., Q.Q.), Albert Einstein College of Medicine, Bronx, NY
| | - Xiaonan Xue
- Department of Epidemiology and Population Health (Z.W., B.A.P., T.W., X.X., Y.M.-R., C.R.I., R.D.B., R.C.K., Q.Q.), Albert Einstein College of Medicine, Bronx, NY
| | - Bharat Thyagarajan
- Division of Molecular Pathology and Genomics, University of Minnesota, Minneapolis, MN (B.T.)
| | - Martha L Daviglus
- Institute for Minority Health Research, University of Illinois at Chicago College of Medicine, Chicago, IL (M.L.D.)
| | - Eric Boerwinkle
- Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, The University of Texas Health Science Center at Houston, Houston (B.Y., M.L.G., E.B.)
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX (E.B.)
| | - Gang Hu
- Chronic Disease Epidemiology Laboratory, Pennington Biomedical Research Center, Baton Rouge, LA (G.H.)
| | - Yasmin Mossavar-Rahmani
- Department of Epidemiology and Population Health (Z.W., B.A.P., T.W., X.X., Y.M.-R., C.R.I., R.D.B., R.C.K., Q.Q.), Albert Einstein College of Medicine, Bronx, NY
| | - Carmen R Isasi
- Department of Epidemiology and Population Health (Z.W., B.A.P., T.W., X.X., Y.M.-R., C.R.I., R.D.B., R.C.K., Q.Q.), Albert Einstein College of Medicine, Bronx, NY
| | - Rob Knight
- Center for Microbiome Innovation (R.K.), University of California, San Diego, La Jolla
- Department of Pediatrics (R.K.), University of California, San Diego, La Jolla
| | - Robert D Burk
- Department of Epidemiology and Population Health (Z.W., B.A.P., T.W., X.X., Y.M.-R., C.R.I., R.D.B., R.C.K., Q.Q.), Albert Einstein College of Medicine, Bronx, NY
- Department of Pediatrics (R.D.B.), Albert Einstein College of Medicine, Bronx, NY
- Department of Obstetrics and Gynecology and Women's Health (R.D.B.), Albert Einstein College of Medicine, Bronx, NY
- Department of Microbiology and Immunology (R.D.B.), Albert Einstein College of Medicine, Bronx, NY
| | - Robert C Kaplan
- Department of Epidemiology and Population Health (Z.W., B.A.P., T.W., X.X., Y.M.-R., C.R.I., R.D.B., R.C.K., Q.Q.), Albert Einstein College of Medicine, Bronx, NY
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA (R.C.K.)
| | - Qibin Qi
- Department of Epidemiology and Population Health (Z.W., B.A.P., T.W., X.X., Y.M.-R., C.R.I., R.D.B., R.C.K., Q.Q.), Albert Einstein College of Medicine, Bronx, NY
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA (Q.Q.)
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10
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Zhang J, Zhou J, He Z, Li H. Bacteroides and NAFLD: pathophysiology and therapy. Front Microbiol 2024; 15:1288856. [PMID: 38572244 PMCID: PMC10988783 DOI: 10.3389/fmicb.2024.1288856] [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: 09/05/2023] [Accepted: 03/07/2024] [Indexed: 04/05/2024] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a prevalent chronic liver condition observed globally, with the potential to progress to non-alcoholic steatohepatitis (NASH), cirrhosis, and even hepatocellular carcinoma. Currently, the US Food and Drug Administration (FDA) has not approved any drugs for the treatment of NAFLD. NAFLD is characterized by histopathological abnormalities in the liver, such as lipid accumulation, steatosis, hepatic balloon degeneration, and inflammation. Dysbiosis of the gut microbiota and its metabolites significantly contribute to the initiation and advancement of NAFLD. Bacteroides, a potential probiotic, has shown strong potential in preventing the onset and progression of NAFLD. However, the precise mechanism by which Bacteroides treats NAFLD remains uncertain. In this review, we explore the current understanding of the role of Bacteroides and its metabolites in the treatment of NAFLD, focusing on their ability to reduce liver inflammation, mitigate hepatic steatosis, and enhance intestinal barrier function. Additionally, we summarize how Bacteroides alleviates pathological changes by restoring the metabolism, improving insulin resistance, regulating cytokines, and promoting tight-junctions. A deeper comprehension of the mechanisms through which Bacteroides is involved in the pathogenesis of NAFLD should aid the development of innovative drugs targeting NAFLD.
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Affiliation(s)
- Jun Zhang
- Liver Disease Department of Integrative Medicine, Ningbo No. 2 Hospital, Ningbo, Zhejiang, China
- Cixi Biomedical Research Institute, Wenzhou Medical University, Ningbo, Zhejiang, China
| | - Jing Zhou
- Liver Disease Department of Integrative Medicine, Ningbo No. 2 Hospital, Ningbo, Zhejiang, China
| | - Zheyun He
- Liver Diseases Institute, Ningbo No. 2 Hospital, Ningbo, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Ningbo, Zhejiang, China
| | - Hongshan Li
- Liver Disease Department of Integrative Medicine, Ningbo No. 2 Hospital, Ningbo, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Ningbo, Zhejiang, China
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11
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Zhao Y, Sun T, Li Y, Yang Z, Chen J, Wang J, Yu X, Tang X, Xiao H. The host sex contributes to the endophytic bacterial community in Sargassum thunbergii and their receptacles. Front Microbiol 2024; 15:1334918. [PMID: 38559345 PMCID: PMC10978810 DOI: 10.3389/fmicb.2024.1334918] [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: 11/08/2023] [Accepted: 02/14/2024] [Indexed: 04/04/2024] Open
Abstract
Endophytic bacteria have a complex coevolutionary relationship with their host macroalgae. Dioecious macroalgae are important producers in marine ecosystems, but there is still a lack of research on how sex influences their endophytic bacteria. In this study, the endophytic bacterial communities in male and female S. thunbergii and their reproductive tissues (receptacles) were compared using culture methods and high-throughput sequencing. The endophytic bacterial communities detected by the two methods were different. Among the 78 isolated strains, the dominant phylum, genus, and species were Bacillota, Alkalihalobacillus, and Alkalihalobacillus algicola, respectively, in the algal bodies, while in the receptacles, they were Bacillota, Vibrio, and Vibrio alginolyticus. However, 24 phyla and 349 genera of endophytic bacteria were identified by high-throughput sequencing, and the dominant phylum and genus were Pseudomonadota and Sva0996_ Marine_ Group, respectively, in both the algal body and the receptacles. The two methods showed similar compositions of endophytic bacterial communities between the samples of different sexes, but the relative abundances of dominant and specific taxa were different. The high-throughput sequencing results showed more clearly that the sex of the host alga had an effect on its endophyte community assembly and a greater effect on the endophytic bacterial community in the receptacles. Moreover, most specific bacteria and predicted functional genes that differed between the samples from the males and females were related to metabolism, suggesting that metabolic differences are the main causes of sex differences in the endophytic bacterial community. Our research is the first to show that host sex contributes to the composition of endophytic bacterial communities in dioecious marine macroalgae. The results enrich the database of endophytic bacteria of dioecious marine macroalgae and pave the way for better understanding the assembly mechanism of the endophytic bacterial community of algae.
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Affiliation(s)
- Yayun Zhao
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
- Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Qingdao, China
| | - Tao Sun
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
- Qingdao Branch CCCC Water Transportation Consultants Co.,LTD, Qingdao, China
| | - Yang Li
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
- Shandong Marine Forecast and Hazard Mitigation Service, Qingdao, China
| | - Zhibo Yang
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Jun Chen
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Jing Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Xinlong Yu
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Xuexi Tang
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
- Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Qingdao, China
| | - Hui Xiao
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
- Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Qingdao, China
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12
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Real MVF, Colvin MS, Sheehan MJ, Moeller AH. Major urinary protein ( Mup) gene family deletion drives sex-specific alterations in the house-mouse gut microbiota. Microbiol Spectr 2024; 12:e0356623. [PMID: 38170981 PMCID: PMC10846032 DOI: 10.1128/spectrum.03566-23] [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: 10/04/2023] [Accepted: 11/23/2023] [Indexed: 01/05/2024] Open
Abstract
The gut microbiota is shaped by host metabolism. In house mice (Mus musculus), major urinary protein (MUP) pheromone production represents a considerable energy investment, particularly in sexually mature males. Deletion of the Mup gene family shifts mouse metabolism toward an anabolic state, marked by lipogenesis, lipid accumulation, and body mass increases. Given the metabolic implications of MUPs, they may also influence the gut microbiota. Here, we investigated the effect of a deletion of the Mup gene family on the gut microbiota of sexually mature mice. Shotgun metagenomics revealed distinct taxonomic and functional profiles between wild-type and knockout males but not females. Deletion of the Mup gene cluster significantly reduced diversity in microbial families and functions in male mice. Additionally, a species of Ruminococcaceae and several microbial functions, such as transporters involved in vitamin B5 acquisition, were significantly depleted in the microbiota of Mup knockout males. Altogether, these results show that MUPs significantly affect the gut microbiota of house mouse in a sex-specific manner.IMPORTANCEThe community of microorganisms that inhabits the gastrointestinal tract can have profound effects on host phenotypes. The gut microbiota is in turn shaped by host genes, including those involved with host metabolism. In adult male house mice, expression of the major urinary protein (Mup) gene cluster represents a substantial energy investment, and deletion of the Mup gene family leads to fat accumulation and weight gain in males. We show that deleting Mup genes also alters the gut microbiota of male, but not female, mice in terms of both taxonomic and functional compositions. Male mice without Mup genes harbored fewer gut bacterial families and reduced abundance of a species of Ruminococcaceae, a family that has been previously shown to reduce obesity risk. Studying the impact of the Mup gene family on the gut microbiota has the potential to reveal the ways in which these genes affect host phenotypes.
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Affiliation(s)
- Madalena V. F. Real
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York, USA
| | - Melanie S. Colvin
- Department of Neurobiology and Behavior, Cornell University, Ithaca, New York, USA
| | - Michael J. Sheehan
- Department of Neurobiology and Behavior, Cornell University, Ithaca, New York, USA
| | - Andrew H. Moeller
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York, USA
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13
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Arfi S, Sharma P, Das K, Bhaskar Y, Goel I, Singh H, Das R. Low abundance of healthy bacteria in the gastric microbiota can be a potential biomarker for gastrointestinal diseases: A pilot study. Indian J Med Res 2024; 159:254-258. [PMID: 38484125 PMCID: PMC11050751 DOI: 10.4103/ijmr.ijmr_864_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Indexed: 04/06/2024] Open
Affiliation(s)
- Safiya Arfi
- Centre for Medical Biotechnology, Amity Institute of Biotechnology, Amity University, Noida 201 301, India
| | - Prateek Sharma
- Centre for Medical Biotechnology, Amity Institute of Biotechnology, Amity University, Noida 201 301, India
| | - Kunal Das
- Department of Gastroenterology, Yashoda Super Specialty Hospital, Ghaziabad 201 001, India
- Department of Gastroenterology, Max Super Specialty Hospital, Ghaziabad, Uttar Pradesh, India
| | - Yogendra Bhaskar
- Division of Biomedical Informatics, Indian Council of Medical Research, New Delhi 110 029, India
| | - Isha Goel
- Department of Psychiatry, All India Institute of Medical Sciences, New Delhi 110 029, India
| | - Harpreet Singh
- Division of Biomedical Informatics, Indian Council of Medical Research, New Delhi 110 029, India
| | - Rajashree Das
- Centre for Medical Biotechnology, Amity Institute of Biotechnology, Amity University, Noida 201 301, India
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14
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Bedani R, Cucick ACC, Albuquerque MACD, LeBlanc JG, Saad SMI. B-Group Vitamins as Potential Prebiotic Candidates: Their Effects on the Human Gut Microbiome. J Nutr 2024; 154:341-353. [PMID: 38176457 DOI: 10.1016/j.tjnut.2023.12.038] [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: 05/16/2023] [Revised: 12/18/2023] [Accepted: 12/22/2023] [Indexed: 01/06/2024] Open
Abstract
In recent years, thousands of studies have demonstrated the importance of the gut microbiome for human health and its relationship with certain diseases. The search for new gut microbiome modulators has thus become an objective to beneficially alter the gut microbiome composition and/or metabolic activity, which may modify intestinal physiology. Growing evidence has shown that B-group vitamins might be considered as potential candidates as gut microbiome modulators. However, the relationship between the B-group vitamins and the gut microbiome remains largely unexplored. Studies have suggested that non-absorbed B-group vitamins administered orally can reach the distal intestine or even the colon where these vitamins may have potential health benefits for the host. Clinical trials supporting this effect are still limited. In this review, we discuss evidence regarding the modulatory effects of B-group vitamins on the gut microbiome with a focus on their potential role as prebiotic candidates.
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Affiliation(s)
- Raquel Bedani
- Department of Biochemical and Pharmaceutical Technology, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, São Paulo, Brazil; Food Research Center, University of São Paulo, São Paulo, São Paulo, Brazil.
| | - Ana Clara Candelaria Cucick
- Department of Biochemical and Pharmaceutical Technology, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, São Paulo, Brazil; Food Research Center, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Marcela Albuquerque Cavalcanti de Albuquerque
- Department of Biochemical and Pharmaceutical Technology, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, São Paulo, Brazil; Food Research Center, University of São Paulo, São Paulo, São Paulo, Brazil
| | | | - Susana Marta Isay Saad
- Department of Biochemical and Pharmaceutical Technology, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, São Paulo, Brazil; Food Research Center, University of São Paulo, São Paulo, São Paulo, Brazil
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15
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Joseph C, Zafeiropoulos H, Bernaerts K, Faust K. Predicting microbial interactions with approaches based on flux balance analysis: an evaluation. BMC Bioinformatics 2024; 25:36. [PMID: 38262921 PMCID: PMC10804772 DOI: 10.1186/s12859-024-05651-7] [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: 01/11/2024] [Indexed: 01/25/2024] Open
Abstract
BACKGROUND Given a genome-scale metabolic model (GEM) of a microorganism and criteria for optimization, flux balance analysis (FBA) predicts the optimal growth rate and its corresponding flux distribution for a specific medium. FBA has been extended to microbial consortia and thus can be used to predict interactions by comparing in-silico growth rates for co- and monocultures. Although FBA-based methods for microbial interaction prediction are becoming popular, a systematic evaluation of their accuracy has not yet been performed. RESULTS Here, we evaluate the accuracy of FBA-based predictions of human and mouse gut bacterial interactions using growth data from the literature. For this, we collected 26 GEMs from the semi-curated AGORA database as well as four previously published curated GEMs. We tested the accuracy of three tools (COMETS, Microbiome Modeling Toolbox and MICOM) by comparing growth rates predicted in mono- and co-culture to growth rates extracted from the literature and also investigated the impact of different tool settings and media. We found that except for curated GEMs, predicted growth rates and their ratios (i.e. interaction strengths) do not correlate with growth rates and interaction strengths obtained from in vitro data. CONCLUSIONS Prediction of growth rates with FBA using semi-curated GEMs is currently not sufficiently accurate to predict interaction strengths reliably.
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Affiliation(s)
- Clémence Joseph
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Molecular Bacteriology, KU Leuven, 3000, Leuven, Belgium
| | - Haris Zafeiropoulos
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Molecular Bacteriology, KU Leuven, 3000, Leuven, Belgium
| | - Kristel Bernaerts
- Department of Chemical Engineering, Chemical and Biochemical Reactor Engineering and Safety (CREaS), KU Leuven, 3001, Leuven, Belgium
| | - Karoline Faust
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Molecular Bacteriology, KU Leuven, 3000, Leuven, Belgium.
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16
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Verstraeten S, Layec S, Auger S, Juste C, Henry C, Charif S, Jaszczyszyn Y, Sokol H, Beney L, Langella P, Thomas M, Huillet E. Faecalibacterium duncaniae A2-165 regulates the expression of butyrate synthesis, ferrous iron uptake, and stress-response genes based on acetate consumption. Sci Rep 2024; 14:987. [PMID: 38200051 PMCID: PMC10781979 DOI: 10.1038/s41598-023-51059-3] [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: 06/23/2023] [Accepted: 12/29/2023] [Indexed: 01/12/2024] Open
Abstract
The promising next-generation probiotic Faecalibacterium prausnitzii is one of the most abundant acetate-consuming, butyrate-producing bacteria in the healthy human gut. Yet, little is known about how acetate availability affects this bacterium's gene expression strategies. Here, we investigated the effect of acetate on temporal changes in the transcriptome of F. duncaniae A2-165 cultures using RNA sequencing. We compared gene expression patterns between two growth phases (early stationary vs. late exponential) and two acetate levels (low: 3 mM vs. high: 23 mM). Only in low-acetate conditions, a general stress response was activated. In high-acetate conditions, there was greater expression of genes related to butyrate synthesis and to the importation of B vitamins and iron. Specifically, expression was strongly activated in the case of the feoAABC operon, which encodes a FeoB ferrous iron transporter, but not in the case of the feoAB gene, which encodes a second putative FeoAB transporter. Moreover, excess ferrous iron repressed feoB expression but not feoAB. Lastly, FeoB but not FeoAB peptides from strain A2-165 were found in abundance in a healthy human fecal metaproteome. In conclusion, we characterized two early-stationary transcriptomes based on acetate consumption and this work highlights the regulation of feoB expression in F. duncaniae A2-165.
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Affiliation(s)
- Sophie Verstraeten
- Micalis Institute, INRAe, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Séverine Layec
- Micalis Institute, INRAe, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Sandrine Auger
- Micalis Institute, INRAe, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
- Paris Center for Microbiome Medecine (PaCeMM) FHU, AP-HP, Paris, France
| | - Catherine Juste
- Micalis Institute, INRAe, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Céline Henry
- Micalis Institute, INRAe, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Sawiya Charif
- Micalis Institute, INRAe, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Yan Jaszczyszyn
- Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris-Saclay, Gif-Sur-Yvette, France
| | - Harry Sokol
- Micalis Institute, INRAe, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
- Paris Center for Microbiome Medecine (PaCeMM) FHU, AP-HP, Paris, France
| | - Laurent Beney
- UMR PAM, INRAe, Université Bourgogne Franche-Conté, AgroSup Dijon, Dijon, France
| | - Philippe Langella
- Micalis Institute, INRAe, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
- Paris Center for Microbiome Medecine (PaCeMM) FHU, AP-HP, Paris, France
| | - Muriel Thomas
- Micalis Institute, INRAe, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
- Paris Center for Microbiome Medecine (PaCeMM) FHU, AP-HP, Paris, France
| | - Eugénie Huillet
- Micalis Institute, INRAe, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France.
- Paris Center for Microbiome Medecine (PaCeMM) FHU, AP-HP, Paris, France.
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17
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Olson EG, Dittoe DK, Chatman CC, Majumder ELW, Ricke SC. General media over enrichment media supports growth of Campylobacter jejuni and maintains poultry cecal microbiota enabling translatable in vitro microbial interaction experiments. J Appl Microbiol 2024; 135:lxad312. [PMID: 38126123 DOI: 10.1093/jambio/lxad312] [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: 11/21/2023] [Revised: 12/11/2023] [Accepted: 12/19/2023] [Indexed: 12/23/2023]
Abstract
AIM This study aimed to assess the suitability of two media types, Bolton enrichment broth (BEB) and anaerobic dilution solution (ADS), in replicating the poultry cecal environment to investigate metabolic interactions and Campylobacter presence within poultry ceca. METHODS Using an anaerobic in vitro poultry cecal model, cecal contents (free of culturable Campylobacter) were diluted in BEB and ADS, inoculated with 105 CFU of Campylobacter jejuni, and incubated for 48 h at 42°C under microaerophilic conditions. Samples were collected at 0, 24, and 48 h. Genomic DNA was extracted, amplified, and sequenced on Illumina MiSeq platform. Data underwent analysis within QIIME2-2021.11, including alpha and beta diversity assessments, ANOVA, ADONIS, ANCOM, and Bradford assay for protein concentration. RESULTS ADS supported a more diverse microbial population than BEB, influencing C. jejuni presence. ANCOM highlighted dominant genera in BEB (Lactobacillus and Campylobacter) and affirmed C. jejuni growth in ADS. Core microbiota analysis revealed unique associations with each media type, while the Bradford assay indicated ADS consistently yielded more uniform microbial growth. CONCLUSIONS ADS was identified as a preferred diluent for faithfully replicating cecal microbial changes in the presence of Campylobacter.
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Affiliation(s)
- Elena G Olson
- Meat Science and Animal Biologics Discovery Program, Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI 53706, United States
| | - Dana K Dittoe
- Department of Animal Science, University of Wyoming, Laramie, WY 82071, United States
| | - Chamia C Chatman
- Bacteriology Department, University of Wisconsin-Madison, Madison, WI 53706, United States
| | - Erica L-W Majumder
- Bacteriology Department, University of Wisconsin-Madison, Madison, WI 53706, United States
| | - Steven C Ricke
- Meat Science and Animal Biologics Discovery Program, Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI 53706, United States
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18
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He Y, Cui W, Fang T, Zhang Z, Zeng M. Metabolites of the gut microbiota may serve as precise diagnostic markers for sarcopenia in the elderly. Front Microbiol 2023; 14:1301805. [PMID: 38188577 PMCID: PMC10768011 DOI: 10.3389/fmicb.2023.1301805] [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: 10/16/2023] [Accepted: 11/28/2023] [Indexed: 01/09/2024] Open
Abstract
Sarcopenia, a disease recognized by the World Health Organization, has posed a great challenge to the world in the current aging society. The vital role of the gut microbiome through the gut-muscle axis in sarcopenia is increasingly recognized. However, the working mechanisms by which the gut microbiota functions have not been fully explored in the multi-omics field. Here, we designed a cross-sectional study that recruited patients (n = 32) with sarcopenia and healthy old adults (n = 31). Diagnosis of sarcopenia was based on the Asian Working Group for Sarcopenia (AWGS) in 2019 criteria. Muscle mass was represented by appendicular skeletal muscle mass measured by using direct segmental multi-frequency bioelectrical impedance and muscle strength was evaluated using the handgrip strength. The Short Physical Performance Battery, the 5-time Chair Stand Test, and the 4-metre Walk Test were used to assess physical performance. Shotgun metagenomic sequencing was used to profile the gut microbiome in order to identify its construction and function. Metabolome based on untargeted metabolomics was applied to describe the features and structure of fecal metabolites. In clinical indexes including triglycerides and high-density lipoprotein cholesterol, we noted a significant decrease in triglycerides (TG) and a significant increase in high-density lipoprotein cholesterol (HDL-C) in patients with sarcopenia. Appendicular skeletal muscle mass of patients with sarcopenia was lower than the health group. Based on intestinal metagenomic and fecal metabolomic profiles, we found that the gut microbiome and metabolome were disturbed in patients with sarcopenia, with significant decreases in bacteria such as Bifidobacterium longum, Bifidobacterium pseudocatenulatum, and Bifidobacterium adolescentis, as well as metabolites such as shikimic acid. Also, we plotted supervised classification models at the species level of gut bacteria (AUC = 70.83-88.33) and metabolites (AUC = 92.23-98.33) based on machine learning, respectively. Based on the gut-muscle axis network, a potential mechanism is proposed along the gut microbiome - key metabolites - clinical index, that Phascolarctobacterium faecium affects appendicular skeletal muscle mass, calf circumference, handgrip strength, and BMI via Shikimic acid metabolites. This study elucidates the potential mechanisms by which the gut microbiome influences the progress of sarcopenia through metabolites and provides a meaningful theoretical foundation for reference in the diagnosis and treatment of sarcopenia.
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Affiliation(s)
- Yangli He
- Center of Geriatrics, Hainan General Hospital/Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan Province, China
| | - Weipeng Cui
- School of Food Science and Engineering, Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou, Hainan, China
| | - Tuanyu Fang
- Department of Endocrine, Hainan General Hospital/Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan Province, China
| | - Zeng Zhang
- School of Food Science and Engineering, Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Hainan University, Haikou, Hainan, China
| | - Min Zeng
- Center of Geriatrics, Hainan General Hospital/Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan Province, China
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19
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Connors BM, Thompson J, Ertmer S, Clark RL, Pfleger BF, Venturelli OS. Control points for design of taxonomic composition in synthetic human gut communities. Cell Syst 2023; 14:1044-1058.e13. [PMID: 38091992 PMCID: PMC10752370 DOI: 10.1016/j.cels.2023.11.007] [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: 08/03/2022] [Revised: 06/22/2023] [Accepted: 11/20/2023] [Indexed: 12/23/2023]
Abstract
Microbial communities offer vast potential across numerous sectors but remain challenging to systematically control. We develop a two-stage approach to guide the taxonomic composition of synthetic microbiomes by precisely manipulating media components and initial species abundances. By combining high-throughput experiments and computational modeling, we demonstrate the ability to predict and design the diversity of a 10-member synthetic human gut community. We reveal that critical environmental factors governing monoculture growth can be leveraged to steer microbial communities to desired states. Furthermore, systematically varied initial abundances drive variation in community assembly and enable inference of pairwise inter-species interactions via a dynamic ecological model. These interactions are overall consistent with conditioned media experiments, demonstrating that specific perturbations to a high-richness community can provide rich information for building dynamic ecological models. This model is subsequently used to design low-richness communities that display low or high temporal taxonomic variability over an extended period. A record of this paper's transparent peer review process is included in the supplemental information.
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Affiliation(s)
- Bryce M Connors
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Chemical & Biological Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Jaron Thompson
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Chemical & Biological Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Sarah Ertmer
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Chemical & Biological Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Ryan L Clark
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Brian F Pfleger
- Department of Chemical & Biological Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Ophelia S Venturelli
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Chemical & Biological Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA; Department of Bacteriology, University of Wisconsin-Madison, Madison, WI 53706, USA.
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20
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Starke S, Harris DMM, Zimmermann J, Schuchardt S, Oumari M, Frank D, Bang C, Rosenstiel P, Schreiber S, Frey N, Franke A, Aden K, Waschina S. Amino acid auxotrophies in human gut bacteria are linked to higher microbiome diversity and long-term stability. THE ISME JOURNAL 2023; 17:2370-2380. [PMID: 37891427 PMCID: PMC10689445 DOI: 10.1038/s41396-023-01537-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 10/06/2023] [Accepted: 10/09/2023] [Indexed: 10/29/2023]
Abstract
Amino acid auxotrophies are prevalent among bacteria. They can govern ecological dynamics in microbial communities and indicate metabolic cross-feeding interactions among coexisting genotypes. Despite the ecological importance of auxotrophies, their distribution and impact on the diversity and function of the human gut microbiome remain poorly understood. This study performed the first systematic analysis of the distribution of amino acid auxotrophies in the human gut microbiome using a combined metabolomic, metagenomic, and metabolic modeling approach. Results showed that amino acid auxotrophies are ubiquitous in the colon microbiome, with tryptophan auxotrophy being the most common. Auxotrophy frequencies were higher for those amino acids that are also essential to the human host. Moreover, a higher overall abundance of auxotrophies was associated with greater microbiome diversity and stability, and the distribution of auxotrophs was found to be related to the human host's metabolome, including trimethylamine oxide, small aromatic acids, and secondary bile acids. Thus, our results suggest that amino acid auxotrophies are important factors contributing to microbiome ecology and host-microbiome metabolic interactions.
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Affiliation(s)
- Svenja Starke
- Institute of Human Nutrition and Food Science, Nutriinformatics, Kiel University, Kiel, Germany
| | - Danielle M M Harris
- Institute of Human Nutrition and Food Science, Nutriinformatics, Kiel University, Kiel, Germany
- Institute of Clinical Molecular Biology, Kiel University, Kiel, Germany
| | - Johannes Zimmermann
- Zoological Institute, Research Group Evolutionary Ecology and Genetics, Kiel University, Kiel, Germany
- Max Planck Institute for Evolutionary Biology, Plön, Germany
| | - Sven Schuchardt
- Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM), Hanover, Germany
| | - Mhmd Oumari
- Institute of Clinical Molecular Biology, Kiel University, Kiel, Germany
| | - Derk Frank
- Department of Internal Medicine III, University Medical Center Schleswig-Holstein, Kiel, Germany
- German Centre for Cardiovascular Research (DZHK), Partner site Hamburg, Kiel, Lübeck, Germany
| | - Corinna Bang
- Institute of Clinical Molecular Biology, Kiel University, Kiel, Germany
| | - Philip Rosenstiel
- Institute of Clinical Molecular Biology, Kiel University, Kiel, Germany
| | - Stefan Schreiber
- Institute of Clinical Molecular Biology, Kiel University, Kiel, Germany
- Department of Internal Medicine I, University Medical Center Schleswig-Holstein, Kiel, Germany
| | - Norbert Frey
- Department of Internal Medicine III, University Medical Center Schleswig-Holstein, Kiel, Germany
- German Centre for Cardiovascular Research (DZHK), Partner site Hamburg, Kiel, Lübeck, Germany
- Department of Internal Medicine III, University Hospital Heidelberg, Heidelberg, Germany
| | - Andre Franke
- Institute of Clinical Molecular Biology, Kiel University, Kiel, Germany
| | - Konrad Aden
- Institute of Clinical Molecular Biology, Kiel University, Kiel, Germany.
- Department of Internal Medicine I, University Medical Center Schleswig-Holstein, Kiel, Germany.
| | - Silvio Waschina
- Institute of Human Nutrition and Food Science, Nutriinformatics, Kiel University, Kiel, Germany.
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21
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Al KF, Joris BR, Daisley BA, Chmiel JA, Bjazevic J, Reid G, Gloor GB, Denstedt JD, Razvi H, Burton JP. Multi-site microbiota alteration is a hallmark of kidney stone formation. MICROBIOME 2023; 11:263. [PMID: 38007438 PMCID: PMC10675928 DOI: 10.1186/s40168-023-01703-x] [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: 11/30/2022] [Accepted: 10/17/2023] [Indexed: 11/27/2023]
Abstract
BACKGROUND Inquiry of microbiota involvement in kidney stone disease (KSD) has largely focussed on potential oxalate handling abilities by gut bacteria and the increased association with antibiotic exposure. By systematically comparing the gut, urinary, and oral microbiota of 83 stone formers (SF) and 30 healthy controls (HC), we provide a unified assessment of the bacterial contribution to KSD. RESULTS Amplicon and shotgun metagenomic sequencing approaches were consistent in identifying multi-site microbiota disturbances in SF relative to HC. Biomarker taxa, reduced taxonomic and functional diversity, functional replacement of core bioenergetic pathways with virulence-associated gene markers, and community network collapse defined SF, but differences between cohorts did not extend to oxalate metabolism. CONCLUSIONS We conclude that multi-site microbiota alteration is a hallmark of SF, and KSD treatment should consider microbial functional restoration and the avoidance of aberrant modulators such as poor diet and antibiotics where applicable to prevent stone recurrence. Video Abstract.
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Affiliation(s)
- Kait F Al
- Centre for Human Microbiome and Probiotic Research, Lawson Health Research Institute, London, ON, Canada
- Department of Microbiology and Immunology, The University of Western Ontario, London, ON, Canada
| | - Benjamin R Joris
- Department of Biochemistry, The University of Western Ontario, London, ON, Canada
| | - Brendan A Daisley
- Molecular and Cellular Biology Department, University of Guelph, Guelph, ON, Canada
| | - John A Chmiel
- Centre for Human Microbiome and Probiotic Research, Lawson Health Research Institute, London, ON, Canada
- Department of Microbiology and Immunology, The University of Western Ontario, London, ON, Canada
| | - Jennifer Bjazevic
- Division of Urology, Department of Surgery, The University of Western Ontario, London, ON, Canada
| | - Gregor Reid
- Centre for Human Microbiome and Probiotic Research, Lawson Health Research Institute, London, ON, Canada
- Department of Microbiology and Immunology, The University of Western Ontario, London, ON, Canada
- Division of Urology, Department of Surgery, The University of Western Ontario, London, ON, Canada
| | - Gregory B Gloor
- Department of Biochemistry, The University of Western Ontario, London, ON, Canada
| | - John D Denstedt
- Division of Urology, Department of Surgery, The University of Western Ontario, London, ON, Canada
| | - Hassan Razvi
- Division of Urology, Department of Surgery, The University of Western Ontario, London, ON, Canada
| | - Jeremy P Burton
- Centre for Human Microbiome and Probiotic Research, Lawson Health Research Institute, London, ON, Canada.
- Department of Microbiology and Immunology, The University of Western Ontario, London, ON, Canada.
- Division of Urology, Department of Surgery, The University of Western Ontario, London, ON, Canada.
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22
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Wang J, Ke S, Strappe P, Ning M, Zhou Z. Structurally Orientated Rheological and Gut Microbiota Fermentation Property of Mannans Polysaccharides and Oligosaccharides. Foods 2023; 12:4002. [PMID: 37959121 PMCID: PMC10649220 DOI: 10.3390/foods12214002] [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: 07/27/2023] [Revised: 08/23/2023] [Accepted: 08/27/2023] [Indexed: 11/15/2023] Open
Abstract
Three mannan polysaccharides and their oligosaccharides were investigated in terms of physicochemical characteristics and effects on gut microbiota. Oligosaccharides from guar gum had the fastest fermentation kinetics for SCFAs generation at the initial stage, while the locust bean of both polymers and oligosaccharides demonstrated the lowest SCFAs through the whole fermentation process. In contrast, konjac gum steadily increased SCFAs and reached its maximum level at 24 h fermentation, indicating its fermentation character may be associated with its rheological properties. Compared to their corresponding polysaccharides, all the oligosaccharides demonstrated a faster fermentation kinetics, followed by an enriched abundance of propionate-producing bacterial Prevotella and a decreased abundance of Megamonas and Collinsella. Meanwhile, oligosaccharides reduced the Firmicutes/Bacteroidota ratio as well as the abundance of Bacteroidetes and Escherichia-Shigella. The fermentation of konjac substrate significantly promoted the abundance of butyrate-producing bacterial Faecalibacterium. In contrast, although the fermentation of locust bean and guar gum substrates benefited Bifidobacterium abundance due to their similar structure and monosaccharides composition, the fermentation of locust bean gum led to greater Bifidobacterium than the others, which may be associated with its higher mannose composition in the molecules. Interestingly, the partial hydrolysis of the three polysaccharides slightly reduced their prebiotic function.
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Affiliation(s)
- Jing Wang
- Key Laboratory for Processing and Quality Safety Control of Characteristic Agricultural Products, The Ministry of Agriculture and Rural Affairs, Shihezi University, Shihezi 832003, China; (J.W.); (M.N.)
- College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China;
| | - Sheng Ke
- College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China;
| | - Padraig Strappe
- Curtin Health Innovation Research Institute (CHIRI), Curtin Medical School, Curtin University, Bentley, WA 6102, Australia;
| | - Ming Ning
- Key Laboratory for Processing and Quality Safety Control of Characteristic Agricultural Products, The Ministry of Agriculture and Rural Affairs, Shihezi University, Shihezi 832003, China; (J.W.); (M.N.)
| | - Zhongkai Zhou
- Key Laboratory for Processing and Quality Safety Control of Characteristic Agricultural Products, The Ministry of Agriculture and Rural Affairs, Shihezi University, Shihezi 832003, China; (J.W.); (M.N.)
- College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China;
- Gulbali Institute-Agriculture Water Environment, Charles Sturt University, Wagga, NSW 2678, Australia
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23
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Yang J, He Y, Liao X, Hu J, Li K. Does postoperative pulmonary infection correlate with intestinal flora following gastric cancer surgery? - a nested case-control study. Front Microbiol 2023; 14:1267750. [PMID: 38029086 PMCID: PMC10658784 DOI: 10.3389/fmicb.2023.1267750] [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: 07/27/2023] [Accepted: 10/09/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction The primary objective of this study was to investigate the potential correlation between gut microbes and postoperative pulmonary infection in gastric cancer patients. Additionally, we aimed to deduce the mechanism of differential functional genes in disease progression to gain a better understanding of the underlying pathophysiology. Methods A nested case-control study design was utilized to enroll patients with gastric cancer scheduled for surgery at West China Hospital of Sichuan University. Patients were categorized into two groups, namely, the pulmonary infection group and the control group, based on the development of postoperative pulmonary infection. Both groups were subjected to identical perioperative management protocols. Fecal samples were collected 24 h postoperatively and upon pulmonary infection diagnosis, along with matched controls. The collected samples were subjected to 16S rDNA and metagenomic analyses, and clinical data and blood samples were obtained for further analysis. Results A total of 180 fecal specimens were collected from 30 patients in both the pulmonary infection and control groups for 16S rDNA analysis, and 3 fecal samples from each group were selected for metagenomic analysis. The study revealed significant alterations in the functional genes of the intestinal microbiome in patients with postoperative pulmonary infection in gastric cancer, primarily involving Klebsiella, Enterobacter, Ruminococcus, and Collinsella. During postoperative pulmonary infection, gut flora and inflammatory factors were found to be associated with the lipopolysaccharide synthesis pathway and short-chain fatty acid (SCFA) synthesis pathway. Discussion The study identified enriched populations of Klebsiella, Escherella, and intestinal bacteria during pulmonary infection following gastric cancer surgery. These bacteria were found to regulate the lipopolysaccharide synthesis pathway, contributing to the initiation and progression of pulmonary infections. Inflammation modulation in patients with postoperative pulmonary infection may be mediated by short-chain fatty acids. The study also revealed that SCFA synthesis pathways were disrupted, affecting inflammation-related immunosuppression pathways. By controlling and maintaining intestinal barrier function, SCFAs may potentially reduce the occurrence of pulmonary infections after gastric cancer surgery. These findings suggest that targeting the gut microbiome and SCFA synthesis pathways may be a promising approach for preventing postoperative pulmonary infections in gastric cancer patients.
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Affiliation(s)
- Jie Yang
- Colorectal Cancer Center, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, China
| | - Yuhua He
- Colorectal Cancer Center, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, China
| | - Xi Liao
- Colorectal Cancer Center, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, China
| | - Jiankun Hu
- Gastric Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Ka Li
- West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, China
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24
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Jin Y, Chen L, Yu Y, Hussain M, Zhong H. Bioactive Components in Fruit Interact with Gut Microbes. BIOLOGY 2023; 12:1333. [PMID: 37887043 PMCID: PMC10604038 DOI: 10.3390/biology12101333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/30/2023] [Accepted: 10/12/2023] [Indexed: 10/28/2023]
Abstract
Fruits contain many bioactive compounds, including polysaccharides, oligosaccharides, polyphenols, anthocyanins, and flavonoids. All of these bioactives in fruit have potentially beneficial effects on gut microbiota and host health. On the one hand, fruit rich in active ingredients can act as substrates to interact with microorganisms and produce metabolites to regulate the gut microbiota. On the other hand, gut microbes could promote health effects in the host by balancing dysbiosis of gut microbiota. We have extensively analyzed significant information on bioactive components in fruits based on Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA). Although the deep mechanism of action of bioactive components in fruits on gut microbiota needs further study, these results also provide supportive information on fruits as a source of dietary active ingredients to provide support for the adjunctive role of fruits in disease prevention and treatment.
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Affiliation(s)
- Yuanyuan Jin
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China; (Y.J.); (Y.Y.)
| | - Ling Chen
- Sanya Branch of Hainan Food and Drug Inspection Institute, Sanya 572011, China;
| | - Yufen Yu
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China; (Y.J.); (Y.Y.)
| | - Muhammad Hussain
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China; (Y.J.); (Y.Y.)
| | - Hao Zhong
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China; (Y.J.); (Y.Y.)
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25
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Heinken A, Hulshof TO, Nap B, Martinelli F, Basile A, O'Brolchain A, O’Sullivan NF, Gallagher C, Magee E, McDonagh F, Lalor I, Bergin M, Evans P, Daly R, Farrell R, Delaney RM, Hill S, McAuliffe SR, Kilgannon T, Fleming RM, Thinnes CC, Thiele I. APOLLO: A genome-scale metabolic reconstruction resource of 247,092 diverse human microbes spanning multiple continents, age groups, and body sites. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.02.560573. [PMID: 37873072 PMCID: PMC10592896 DOI: 10.1101/2023.10.02.560573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Computational modelling of microbiome metabolism has proved instrumental to catalyse our understanding of diet-host-microbiome-disease interactions through the interrogation of mechanistic, strain- and molecule-resolved metabolic models. We present APOLLO, a resource of 247,092 human microbial genome-scale metabolic reconstructions spanning 19 phyla and accounting for microbial genomes from 34 countries, all age groups, and five body sites. We explored the metabolic potential of the reconstructed strains and developed a machine learning classifier able to predict with high accuracy the taxonomic strain assignments. We also built 14,451 sample-specific microbial community models, which could be stratified by body site, age, and disease states. Finally, we predicted faecal metabolites enriched or depleted in gut microbiomes of people with Crohn's disease, Parkinson disease, and undernourished children. APOLLO is compatible with the human whole-body models, and thus, provide unprecedented opportunities for systems-level modelling of personalised host-microbiome co-metabolism. APOLLO will be freely available under https://www.vmh.life/.
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Affiliation(s)
- Almut Heinken
- School of Medicine, University of Galway, Galway, Ireland
- Ryan Institute, University of Galway, Galway, Ireland
- Inserm UMRS 1256 NGERE, University of Lorraine, Nancy, France
| | - Timothy Otto Hulshof
- School of Medicine, University of Galway, Galway, Ireland
- Ryan Institute, University of Galway, Galway, Ireland
| | - Bram Nap
- School of Medicine, University of Galway, Galway, Ireland
- Ryan Institute, University of Galway, Galway, Ireland
| | - Filippo Martinelli
- School of Medicine, University of Galway, Galway, Ireland
- Ryan Institute, University of Galway, Galway, Ireland
| | - Arianna Basile
- School of Medicine, University of Galway, Galway, Ireland
- Department of Biology, University of Padova, Padova, Italy
| | | | | | | | | | | | - Ian Lalor
- University of Galway, Galway, Ireland
| | | | | | | | | | | | | | | | | | | | - Cyrille C. Thinnes
- School of Medicine, University of Galway, Galway, Ireland
- Ryan Institute, University of Galway, Galway, Ireland
| | - Ines Thiele
- School of Medicine, University of Galway, Galway, Ireland
- Ryan Institute, University of Galway, Galway, Ireland
- Division of Microbiology, University of Galway, Galway, Ireland
- APC Microbiome Ireland, Cork, Ireland
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26
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Chmiel JA, Stuivenberg GA, Al KF, Akouris PP, Razvi H, Burton JP, Bjazevic J. Vitamins as regulators of calcium-containing kidney stones - new perspectives on the role of the gut microbiome. Nat Rev Urol 2023; 20:615-637. [PMID: 37161031 PMCID: PMC10169205 DOI: 10.1038/s41585-023-00768-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/31/2023] [Indexed: 05/11/2023]
Abstract
Calcium-based kidney stone disease is a highly prevalent and morbid condition, with an often complicated and multifactorial aetiology. An abundance of research on the role of specific vitamins (B6, C and D) in stone formation exists, but no consensus has been reached on how these vitamins influence stone disease. As a consequence of emerging research on the role of the gut microbiota in urolithiasis, previous notions on the contribution of these vitamins to urolithiasis are being reconsidered in the field, and investigation into previously overlooked vitamins (A, E and K) was expanded. Understanding how the microbiota influences host vitamin regulation could help to determine the role of vitamins in stone disease.
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Affiliation(s)
- John A Chmiel
- Department of Microbiology & Immunology, Western University, London, Ontario, Canada
- Canadian Centre for Human Microbiome and Probiotic Research, London, Ontario, Canada
| | - Gerrit A Stuivenberg
- Department of Microbiology & Immunology, Western University, London, Ontario, Canada
- Canadian Centre for Human Microbiome and Probiotic Research, London, Ontario, Canada
| | - Kait F Al
- Department of Microbiology & Immunology, Western University, London, Ontario, Canada
- Canadian Centre for Human Microbiome and Probiotic Research, London, Ontario, Canada
| | - Polycronis P Akouris
- Department of Microbiology & Immunology, Western University, London, Ontario, Canada
- Canadian Centre for Human Microbiome and Probiotic Research, London, Ontario, Canada
| | - Hassan Razvi
- Division of Urology, Department of Surgery, Western University, London, Ontario, Canada
| | - Jeremy P Burton
- Department of Microbiology & Immunology, Western University, London, Ontario, Canada
- Canadian Centre for Human Microbiome and Probiotic Research, London, Ontario, Canada
- Division of Urology, Department of Surgery, Western University, London, Ontario, Canada
| | - Jennifer Bjazevic
- Division of Urology, Department of Surgery, Western University, London, Ontario, Canada.
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27
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Zhang Z, Wu Y, Zhou S, Fu P, Yan H. Effects of Music and White Noise Exposure on the Gut Microbiota, Oxidative Stress, and Immune-Related Gene Expression of Mice. Microorganisms 2023; 11:2272. [PMID: 37764116 PMCID: PMC10536120 DOI: 10.3390/microorganisms11092272] [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: 08/14/2023] [Revised: 09/07/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
The microbiota in gastrointestinal tracts is recognized to play a pivotal role in the health of their hosts. Music and noise are prevalent environmental factors in human society and animal production and are reported to impact their welfare and physiological conditions; however, the information on the relationship between the microbiota, physiological status, and sound is limited. This study investigated the impact of music and white noise exposure in mice through 16s rRNA gene sequencing, enzyme assay, and qPCR. The results demonstrate that white noise induced oxidative stress in animals by decreasing serum SOD and GSH-PX activity while increasing LDH activity and MDA levels (p < 0.05). Conversely, no oxidative stress was observed in the music treatment group. The relative gene expression of IFN-γ and IL-1β decreased in the white noise group compared to the music and control groups. The 16s rRNA gene amplicon sequencing revealed that Bacteroidetes, Firmicutes, Verrucomicrobia, and Proteobacteria were dominant among all the groups. Furthermore, the proportion of Firmicutes increased in the music treatment group but decreased in the white noise treatment group compared to the control group. In conclusion, white noise has detrimental impacts on the gut microbiota, antioxidant activity, and immunity of mice, while music is potentially beneficial.
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Affiliation(s)
| | | | | | - Pengcheng Fu
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
| | - Hong Yan
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
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28
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Zhou YF, Nie J, Shi C, Zheng WW, Ning K, Kang J, Sun JX, Cong X, Xie Q, Xiang H. Lysimachia christinae polysaccharide attenuates diet-induced hyperlipidemia via modulating gut microbes-mediated FXR-FGF15 signaling pathway. Int J Biol Macromol 2023; 248:125725. [PMID: 37419267 DOI: 10.1016/j.ijbiomac.2023.125725] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 07/09/2023]
Abstract
Polysaccharides are one of the most abundant and active components of Lysimachia christinae (L. christinae), which is widely adopted for attenuating abnormal cholesterol metabolism; however, its mechanism of action remains unclear. Therefore, we fed a natural polysaccharide (NP) purified from L. christinae to high-fat diet mice. These mice showed an altered gut microbiota and bile acid pool, which was characterized by significantly increased Lactobacillus murinus and unconjugated bile acids in the ileum. Oral administration of the NP reduced cholesterol and triglyceride levels and enhanced bile acid synthesis via cholesterol 7α-hydroxylase. Additionally, the effects of NP are microbiota-dependent, which was reconfirmed by fecal microbiota transplantation (FMT). Altered gut microbiota reshaped bile acid metabolism by modulating bile salt hydrolase (BSH) activity. Therefore, bsh genes were genetically engineered into Brevibacillus choshinensis, which was gavaged into mice to verify BSH function in vivo. Finally, adeno-associated-virus-2-mediated overexpression or inhibition of fibroblast growth factor 15 (FGF15) was used to explore the farnesoid X receptor-fibroblast growth factor 15 pathway in hyperlipidemic mice. We identified that the NP relieves hyperlipidemia by altering the gut microbiota, which is accompanied by the active conversion of cholesterol to bile acids.
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Affiliation(s)
- Yong-Fei Zhou
- National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China
| | - Jiaojiao Nie
- National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China
| | - Chao Shi
- National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China
| | - Wei-Wei Zheng
- National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China
| | - Ke Ning
- National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China
| | - Jing Kang
- Department of Endocrinology, The Second Hospital of Jilin University, Changchun, Jilin 130012, PR China
| | - Ji-Xiang Sun
- National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China
| | - Xiaoqiang Cong
- The Cardiovascular Department, The First Hospital of Jilin University, Changchun, Jilin 130012, PR China; Institute of Changbai Mountain Resource and Health, Jilin University, Fusong, Jilin 134504, PR China.
| | - Qiuhong Xie
- National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China; Institute of Changbai Mountain Resource and Health, Jilin University, Fusong, Jilin 134504, PR China.
| | - Hongyu Xiang
- National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, Jilin 130012, PR China; Institute of Changbai Mountain Resource and Health, Jilin University, Fusong, Jilin 134504, PR China.
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29
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Xu S, Liu W, Gong L, Li X, Chu W, Han M, Shi S, Zhou D. Association of ADRB2 gene polymorphisms and intestinal microbiota in Chinese Han adolescents. Open Life Sci 2023; 18:20220646. [PMID: 37554965 PMCID: PMC10404897 DOI: 10.1515/biol-2022-0646] [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: 02/14/2023] [Revised: 05/17/2023] [Accepted: 05/31/2023] [Indexed: 08/10/2023] Open
Abstract
Gut microbiota are closely related to health, and the β2-adrenergic receptor (ADRB2) gene is associated with gastrointestinal diseases. However, little is known about the relationship between ADRB2 gene polymorphisms and intestinal microbiota. In the present study, we aimed to explore the relationship between ADRB2 gene polymorphisms and gut microbiota in Chinese Han adolescents. Data analysis showed that the relative abundance, PICRUSt function prediction, and Chao1 and ACE indices of gut microbiota were significantly different between males and females (P < 0.05). The rs1042711 was positively associated with the relative abundance of Actinobacteria, Coriobacteriia, Bifidobacteriales, Erysipelotrichi, and Erysipelotrichales. The rs12654778 was negatively associated with Bacilli, Lactobacillales, Bacteroidaceae, and Bacteroides. rs1042713 was positively associated with Lactobacillales and Bifidobacteriales. The rs1042717 was positively associated with Bifidobacteriales and negatively associated with Veillonellaceae. The rs1042719 was negatively associated with Erysipelotrichi and Erysipelotrichales and positively associated with Erysipelotrichi, Erysipelotrichales, Bifidobacteriales, and Ruminococcaceae in females. The rs1801704 was positively associated with Erysipelotrichi, Erysipelotrichales, Bifidobacteriales, Actinobacteria, Coriobacteriia, and Bifidobacteriales. The rs2053044 was positively associated with Ruminococcaceae, Dialister, Firmicutes, Clostridia, Clostridiales, Bifidobacteriales, and Faecalibacterium and negatively associated with Bacilli, Lactobacillales, Lachnospiraceae, and Porphyromonadaceae (P < 0.05). These results suggested that the relative abundance, diversity, and PICRUSt function predictions of male and female gut microbiomes differ significantly and that ADRB2 gene polymorphisms were associated with gut microbiome abundance in Chinese Han adolescents.
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Affiliation(s)
- Shanrong Xu
- College of Life Science, Anqing Normal University, Anqing, 246133, P. R. China
- Department of Clinical Laboratory, Chongqing General Hospital, Chongqing, 400014, P. R. China
| | - Wenqi Liu
- College of Life Science, Anqing Normal University, Anqing, 246133, P. R. China
| | - Li Gong
- College of Life Science, Anqing Normal University, Anqing, 246133, P. R. China
| | - Xinyang Li
- Chongqing Traditional Chinese Medicine Hospital, Chongqing, 400021, P. R. China
| | - Wenwen Chu
- College of Life Science, Anqing Normal University, Anqing, 246133, P. R. China
| | - Meng Han
- College of Life Science, Anqing Normal University, Anqing, 246133, P. R. China
| | - Shuiqin Shi
- College of Life Science, Anqing Normal University, 1318 North Jixian Road, Anqing, 246133, P. R. China
| | - Duoqi Zhou
- College of Life Science, Anqing Normal University, 1318 North Jixian Road, Anqing, 246133, P. R. China
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Vich Vila A, Hu S, Andreu-Sánchez S, Collij V, Jansen BH, Augustijn HE, Bolte LA, Ruigrok RAAA, Abu-Ali G, Giallourakis C, Schneider J, Parkinson J, Al-Garawi A, Zhernakova A, Gacesa R, Fu J, Weersma RK. Faecal metabolome and its determinants in inflammatory bowel disease. Gut 2023; 72:1472-1485. [PMID: 36958817 PMCID: PMC10359577 DOI: 10.1136/gutjnl-2022-328048] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 03/05/2023] [Indexed: 03/25/2023]
Abstract
OBJECTIVE Inflammatory bowel disease (IBD) is a multifactorial immune-mediated inflammatory disease of the intestine, comprising Crohn's disease and ulcerative colitis. By characterising metabolites in faeces, combined with faecal metagenomics, host genetics and clinical characteristics, we aimed to unravel metabolic alterations in IBD. DESIGN We measured 1684 different faecal metabolites and 8 short-chain and branched-chain fatty acids in stool samples of 424 patients with IBD and 255 non-IBD controls. Regression analyses were used to compare concentrations of metabolites between cases and controls and determine the relationship between metabolites and each participant's lifestyle, clinical characteristics and gut microbiota composition. Moreover, genome-wide association analysis was conducted on faecal metabolite levels. RESULTS We identified over 300 molecules that were differentially abundant in the faeces of patients with IBD. The ratio between a sphingolipid and L-urobilin could discriminate between IBD and non-IBD samples (AUC=0.85). We found changes in the bile acid pool in patients with dysbiotic microbial communities and a strong association between faecal metabolome and gut microbiota. For example, the abundance of Ruminococcus gnavus was positively associated with tryptamine levels. In addition, we found 158 associations between metabolites and dietary patterns, and polymorphisms near NAT2 strongly associated with coffee metabolism. CONCLUSION In this large-scale analysis, we identified alterations in the metabolome of patients with IBD that are independent of commonly overlooked confounders such as diet and surgical history. Considering the influence of the microbiome on faecal metabolites, our results pave the way for future interventions targeting intestinal inflammation.
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Affiliation(s)
- Arnau Vich Vila
- Department of Genetics, University Medical Centre, Groningen, The Netherlands
- Department of Pediatrics, University Medical Centre, Groningen, The Netherlands
| | - Shixian Hu
- Department of Genetics, University Medical Centre, Groningen, The Netherlands
- Department of Pediatrics, University Medical Centre, Groningen, The Netherlands
| | - Sergio Andreu-Sánchez
- Department of Pediatrics, University Medical Centre, Groningen, The Netherlands
- Department of Gastroenterology and Hepatology, University Medical Centre, Groningen, The Netherlands
| | - Valerie Collij
- Department of Genetics, University Medical Centre, Groningen, The Netherlands
- Department of Pediatrics, University Medical Centre, Groningen, The Netherlands
| | - Bernadien H Jansen
- Department of Genetics, University Medical Centre, Groningen, The Netherlands
| | - Hannah E Augustijn
- Department of Pediatrics, University Medical Centre, Groningen, The Netherlands
| | - Laura A Bolte
- Department of Genetics, University Medical Centre, Groningen, The Netherlands
| | - Renate A A A Ruigrok
- Department of Genetics, University Medical Centre, Groningen, The Netherlands
- Department of Pediatrics, University Medical Centre, Groningen, The Netherlands
| | - Galeb Abu-Ali
- Gastroenterology Drug Discovery Unit, Takeda Pharmaceutical, Cambridge, Massachusetts, USA
| | - Cosmas Giallourakis
- Gastroenterology Drug Discovery Unit, Takeda Pharmaceutical, Cambridge, Massachusetts, USA
| | - Jessica Schneider
- Gastroenterology Drug Discovery Unit, Takeda Pharmaceutical, Cambridge, Massachusetts, USA
| | - John Parkinson
- Gastroenterology Drug Discovery Unit, Takeda Pharmaceutical, Cambridge, Massachusetts, USA
| | - Amal Al-Garawi
- Gastroenterology Drug Discovery Unit, Takeda Pharmaceutical, Cambridge, Massachusetts, USA
| | | | - Ranko Gacesa
- Department of Genetics, University Medical Centre, Groningen, The Netherlands
- Department of Pediatrics, University Medical Centre, Groningen, The Netherlands
| | - Jingyuan Fu
- Department of Pediatrics, University Medical Centre, Groningen, The Netherlands
- Department of Gastroenterology and Hepatology, University Medical Centre, Groningen, The Netherlands
| | - Rinse K Weersma
- Department of Genetics, University Medical Centre, Groningen, The Netherlands
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Botin T, Ramirez-Chamorro L, Vidic J, Langella P, Martin-Verstraete I, Chatel JM, Auger S. The Tolerance of Gut Commensal Faecalibacterium to Oxidative Stress Is Strain Dependent and Relies on Detoxifying Enzymes. Appl Environ Microbiol 2023; 89:e0060623. [PMID: 37382539 PMCID: PMC10370306 DOI: 10.1128/aem.00606-23] [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: 04/12/2023] [Accepted: 06/12/2023] [Indexed: 06/30/2023] Open
Abstract
Obligate anaerobic bacteria in genus Faecalibacterium are among the most dominant taxa in the colon of healthy individuals and contribute to intestinal homeostasis. A decline in the abundance of this genus is associated with the occurrence of various gastrointestinal disorders, including inflammatory bowel diseases. In the colon, these diseases are accompanied by an imbalance between the generation and elimination of reactive oxygen species (ROS), and oxidative stress is closely linked to disruptions in anaerobiosis. In this work, we explored the impact of oxidative stress on several strains of faecalibacteria. An in silico analysis of complete genomes of faecalibacteria revealed the presence of genes encoding O2- and/or ROS-detoxifying enzymes, including flavodiiron proteins, rubrerythrins, reverse rubrerythrins, superoxide reductases, and alkyl peroxidase. However, the presence and the number of these detoxification systems varied greatly among faecalibacteria. These results were confirmed by O2 stress survival tests, in which we found that strains differed widely in their sensitivity. We showed the protective role of cysteine, which limited the production of extracellular O2•- and improved the survival of Faecalibacterium longum L2-6 under high O2 tension. In the strain F. longum L2-6, we observed that the expression of genes encoding detoxifying enzymes was upregulated in the response to O2 or H2O2 stress but with different patterns of regulation. Based on these results, we propose a first model of the gene regulatory network involved in the response to oxidative stress in F. longum L2-6. IMPORTANCE Commensal bacteria in the genus Faecalibacterium have been proposed for use as next-generation probiotics, but efforts to cultivate and exploit the potential of these strains have been limited by their sensitivity to O2. More broadly, little is known about how commensal and health-associated bacterial species in the human microbiome respond to the oxidative stress that occurs as a result of inflammation in the colon. In this work, we provide insights regarding the genes that encode potential mechanisms of protection against O2 or ROS stress in faecalibacteria, which may facilitate future advances in work with these important bacteria.
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Affiliation(s)
- Tatiana Botin
- Université Paris Saclay, INRAE, AgroParisTech, UMR1319, MICALIS, Jouy-en-Josas, France
| | - Luis Ramirez-Chamorro
- Université Paris Saclay, INRAE, AgroParisTech, UMR1319, MICALIS, Jouy-en-Josas, France
| | - Jasmina Vidic
- Université Paris Saclay, INRAE, AgroParisTech, UMR1319, MICALIS, Jouy-en-Josas, France
| | - Philippe Langella
- Université Paris Saclay, INRAE, AgroParisTech, UMR1319, MICALIS, Jouy-en-Josas, France
| | - Isabelle Martin-Verstraete
- Institut Pasteur, Université Paris Cité, UMR CNRS 6047, Laboratoire Pathogénèse des Bactéries Anaérobies, Paris, France
- Institut Universitaire de France, Paris, France
| | - Jean-Marc Chatel
- Université Paris Saclay, INRAE, AgroParisTech, UMR1319, MICALIS, Jouy-en-Josas, France
| | - Sandrine Auger
- Université Paris Saclay, INRAE, AgroParisTech, UMR1319, MICALIS, Jouy-en-Josas, France
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Martín R, Rios-Covian D, Huillet E, Auger S, Khazaal S, Bermúdez-Humarán LG, Sokol H, Chatel JM, Langella P. Faecalibacterium: a bacterial genus with promising human health applications. FEMS Microbiol Rev 2023; 47:fuad039. [PMID: 37451743 PMCID: PMC10410495 DOI: 10.1093/femsre/fuad039] [Citation(s) in RCA: 55] [Impact Index Per Article: 55.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 06/08/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023] Open
Abstract
In humans, many diseases are associated with alterations in gut microbiota, namely increases or decreases in the abundance of specific bacterial groups. One example is the genus Faecalibacterium. Numerous studies have underscored that low levels of Faecalibacterium are correlated with inflammatory conditions, with inflammatory bowel disease (IBD) in the forefront. Its representation is also diminished in the case of several diseases, including colorectal cancer (CRC), dermatitis, and depression. Additionally, the relative presence of this genus is considered to reflect, at least in part, intestinal health status because Faecalibacterium is frequently present at reduced levels in individuals with gastrointestinal diseases or disorders. In this review, we first thoroughly describe updates to the taxonomy of Faecalibacterium, which has transformed a single-species taxon to a multispecies taxon over the last decade. We then explore the links discovered between Faecalibacterium abundance and various diseases since the first IBD-focused studies were published. Next, we examine current available strategies for modulating Faecalibacterium levels in the gut. Finally, we summarize the mechanisms underlying the beneficial effects that have been attributed to this genus. Together, epidemiological and experimental data strongly support the use of Faecalibacterium as a next-generation probiotic (NGP) or live biotherapeutic product (LBP).
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Affiliation(s)
- Rebeca Martín
- Paris-Saclay University, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
| | - David Rios-Covian
- Paris-Saclay University, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
| | - Eugénie Huillet
- Paris-Saclay University, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
| | - Sandrine Auger
- Paris-Saclay University, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
| | - Sarah Khazaal
- Paris-Saclay University, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
| | - Luis G Bermúdez-Humarán
- Paris-Saclay University, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
| | - Harry Sokol
- Paris-Saclay University, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, CRSA, AP-HP, Saint Antoine Hospital, Gastroenterology Department, F-75012 Paris, France
- Paris Centre for Microbiome Medicine (PaCeMM) FHU, F-75012, Paris, France
| | - Jean-Marc Chatel
- Paris-Saclay University, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
| | - Philippe Langella
- Paris-Saclay University, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
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Gu F, Larsen N, Pascale N, Petersen SA, Khakimov B, Respondek F, Jespersen L. Age-related effects on the modulation of gut microbiota by pectins and their derivatives: an in vitro study. Front Microbiol 2023; 14:1207837. [PMID: 37476669 PMCID: PMC10354267 DOI: 10.3389/fmicb.2023.1207837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 06/13/2023] [Indexed: 07/22/2023] Open
Abstract
Introduction The present study investigates whether supplementation with pectin-type polysaccharides has potential to improve aging-associated dysbiosis of the gut microbiota. The influence of different types of pectins on the gut microbiota composition and short-chain fatty acids (SCFAs) profiles of elderly was compared to younger adults. Methods Pectins studied included a pectin polysaccharide (PEC), a partially hydrolyzed pectin (PPH), and a pectin oligosaccharide (POS). Additionally, inulin was used as a reference prebiotic substrate. Individual fecal samples were collected from healthy elderly volunteers (70-75 years) and younger adults (30-35 years). In vitro fermentations were performed using the CoMiniGut model with controlled temperature and pH. Samples were withdrawn at baseline and after 24 h fermentation for measurement of SCFAs production and microbiota composition by 16S rRNA gene sequencing. Results and Discussion The results showed that fermentations with PEC and PPH resulted in a specific stimulation of Faecalibacterium prausnitzii regardless of the age groups. Collinsella aerofaciens became a dominating species in the young adult group with fermentations of all three pectins, which was not observed in the elderly group. No significant differences in SCFAs production were found among the pectins, indicating a high level of functional redundancy. Pectins boosted various bacterial groups differently from the reference prebiotic substrate (inulin). We also found inulin had reduced butyrogenic and bifidogenic effects in the elderly group compared to the younger adult group. In conclusion, the in vitro modulating effects of pectins on elderly gut microbiota showed potential of using pectins to improve age-related dysbiosis.
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Affiliation(s)
- Fangjie Gu
- Department of Food Science, Faculty of Science, University of Copenhagen, Frederiksberg, Denmark
- CP Kelco ApS, Lille Skensved, Denmark
| | - Nadja Larsen
- Department of Food Science, Faculty of Science, University of Copenhagen, Frederiksberg, Denmark
| | | | | | - Bekzod Khakimov
- Department of Food Science, Faculty of Science, University of Copenhagen, Frederiksberg, Denmark
| | | | - Lene Jespersen
- Department of Food Science, Faculty of Science, University of Copenhagen, Frederiksberg, Denmark
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Fakih I, Got J, Robles-Rodriguez CE, Siegel A, Forano E, Muñoz-Tamayo R. Dynamic genome-based metabolic modeling of the predominant cellulolytic rumen bacterium Fibrobacter succinogenes S85. mSystems 2023; 8:e0102722. [PMID: 37289026 PMCID: PMC10308913 DOI: 10.1128/msystems.01027-22] [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: 10/24/2022] [Accepted: 03/14/2023] [Indexed: 06/09/2023] Open
Abstract
Fibrobacter succinogenes is a cellulolytic bacterium that plays an essential role in the degradation of plant fibers in the rumen ecosystem. It converts cellulose polymers into intracellular glycogen and the fermentation metabolites succinate, acetate, and formate. We developed dynamic models of F. succinogenes S85 metabolism on glucose, cellobiose, and cellulose on the basis of a network reconstruction done with the automatic reconstruction of metabolic model workspace. The reconstruction was based on genome annotation, five template-based orthology methods, gap filling, and manual curation. The metabolic network of F. succinogenes S85 comprises 1,565 reactions with 77% linked to 1,317 genes, 1,586 unique metabolites, and 931 pathways. The network was reduced using the NetRed algorithm and analyzed for the computation of elementary flux modes. A yield analysis was further performed to select a minimal set of macroscopic reactions for each substrate. The accuracy of the models was acceptable in simulating F. succinogenes carbohydrate metabolism with an average coefficient of variation of the root mean squared error of 19%. The resulting models are useful resources for investigating the metabolic capabilities of F. succinogenes S85, including the dynamics of metabolite production. Such an approach is a key step toward the integration of omics microbial information into predictive models of rumen metabolism. IMPORTANCE F. succinogenes S85 is a cellulose-degrading and succinate-producing bacterium. Such functions are central for the rumen ecosystem and are of special interest for several industrial applications. This work illustrates how information of the genome of F. succinogenes can be translated to develop predictive dynamic models of rumen fermentation processes. We expect this approach can be applied to other rumen microbes for producing a model of rumen microbiome that can be used for studying microbial manipulation strategies aimed at enhancing feed utilization and mitigating enteric emissions.
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Affiliation(s)
- Ibrahim Fakih
- Université Clermont Auvergne, INRAE, UMR454 Microbiologie Environnement Digestif et Santé, 63000 Clermont-Ferrand, France
- Université Paris-Saclay, INRAE, AgroParisTech, UMR Modélisation Systémique Appliquée aux Ruminants, 91120 Palaiseau, France
| | - Jeanne Got
- Université Rennes, Inria, CNRS, IRISA, Dyliss team, 35042 Rennes, France
| | | | - Anne Siegel
- Université Rennes, Inria, CNRS, IRISA, Dyliss team, 35042 Rennes, France
| | - Evelyne Forano
- Université Clermont Auvergne, INRAE, UMR454 Microbiologie Environnement Digestif et Santé, 63000 Clermont-Ferrand, France
| | - Rafael Muñoz-Tamayo
- Université Paris-Saclay, INRAE, AgroParisTech, UMR Modélisation Systémique Appliquée aux Ruminants, 91120 Palaiseau, France
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Gao X, Ye T, Lei Y, Zhang Q, Luo Y, Yang H, Zeng X, Zhou W, Wen Q, Liu J, Xiong H, Wan R. Dendrobium officinale aqueous extract influences the immune response following vaccination against SARS-CoV-2. Biomed Pharmacother 2023; 162:114702. [PMID: 37062221 PMCID: PMC10099150 DOI: 10.1016/j.biopha.2023.114702] [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: 02/08/2023] [Revised: 04/02/2023] [Accepted: 04/11/2023] [Indexed: 04/18/2023] Open
Abstract
BACKGROUND Vaccination is the most effective way to prevent coronavirus disease 2019 (COVID-19). However, it is often less protective and does not significantly increase antibody levels, especially in individuals with impaired immune systems. Nevertheless, the immunocompetence can be enhanced using a natural immunomodulator, such as Dendrobium officinale aqueous extract (DoAE). METHODS To determine whether DoAE promotes antibody production, we treated healthy volunteers with DoAE during COVID-19 vaccination. Meanwhile, the control volunteers were given a placebo (cornstarch) during the vaccination. Antibody levels were measured at three-week intervals in the DoAE and control groups. RESULTS DoAE enhanced immunity and preserved immune cell homeostasis. However, the neutralizing antibody (nAb) levels in the DoAE group were lower than those in the control group. Analysis of the gut microbiota revealed that the abundance of anti-inflammatory flora was increased, while the pro-inflammatory flora was reduced in the DoAE group. CONCLUSION DoAE has immunomodulatory and anti-inflammatory properties. Therefore, DoAE has the potential for COVID-19 prophylaxis, treatment, and recovery from the adverse effects of COVID-19. However, its anti-inflammatory activity affects the production of nAbs. Thus, DoAE may not be recommended for consumption during COVID-19 vaccination.
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Affiliation(s)
- Xiaoping Gao
- Department of Oncology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China; Key Laboratory of Medical Electrophysiology of Ministry of Education, Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Ting Ye
- Medical Laboratory Department, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Yu Lei
- Department of Oncology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Qi Zhang
- Hejiang County Hospital of Traditional Chinese Medicine, Luzhou, Sichuan 646000, China
| | - Yuanning Luo
- Department of Oncology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Haiyan Yang
- Department of Respiratory and Critical Care Medicine, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Xiaochun Zeng
- Department of Respiratory and Critical Care Medicine, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Wen Zhou
- Key Laboratory of Medical Electrophysiology of Ministry of Education, Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Qinglian Wen
- Department of Oncology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Jingbo Liu
- Medical Laboratory Department, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China.
| | - Hong Xiong
- Department of Respiratory and Critical Care Medicine, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China.
| | - Runlan Wan
- Department of Oncology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China; Key Laboratory of Medical Electrophysiology of Ministry of Education, Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, Sichuan 646000, China.
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Zhao N, Liu C, Li N, Zhou S, Guo Y, Yang S, Liu H. Role of Interleukin-22 in ulcerative colitis. Biomed Pharmacother 2023; 159:114273. [PMID: 36696801 DOI: 10.1016/j.biopha.2023.114273] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 01/16/2023] [Accepted: 01/17/2023] [Indexed: 01/25/2023] Open
Abstract
Ulcerative Colitis (UC) is a chronic disease, in the progression of which an immune overreaction may play an important role. IL-22 is a member of the IL-10 superfamily of cytokines and is pleiotropic in immune regulation and inflammatory responses. IL-22 can produce protective effects, promote wound healing and tissue regeneration, while it can also induce inflammatory reactions when it is chronically overexpressed. Extensive literatures reported that IL-22 played an essential role in the pathogenic development of UC. IL-22 participates in the whole disease process of UC involving signaling pathways, gene expression regulation, and intestinal flora imbalance, making IL-22 a possible candidate for the treatment of UC. In this paper, the latest knowledge to further elucidate the role of IL-22 in UC was summarized and analyzed.
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Affiliation(s)
- Nan Zhao
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, PR China.
| | - Chuanguo Liu
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan 250355, PR China.
| | - Ning Li
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, PR China.
| | - Shuang Zhou
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, PR China.
| | - Yuting Guo
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, PR China.
| | - Shihua Yang
- Department of Oncology, The Fifth People's Hospital of Jinan, Jinan 250022, PR China.
| | - Huimin Liu
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, PR China.
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Lin D, Sun Q, Liu Z, Pan J, Zhu J, Wang S, Jia S, Zheng M, Li X, Gong F. Gut microbiota and bile acids partially mediate the improvement of fibroblast growth factor 21 on methionine-choline-deficient diet-induced non-alcoholic fatty liver disease mice. Free Radic Biol Med 2023; 195:199-218. [PMID: 36586452 DOI: 10.1016/j.freeradbiomed.2022.12.087] [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: 11/22/2022] [Revised: 12/18/2022] [Accepted: 12/21/2022] [Indexed: 12/29/2022]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is characterized by hepatic steatosis, inflammation, and fibrosis, as well as gut dysbiosis. Fibroblast growth factor 21 (FGF21), which regulates glucose and lipid metabolism, has been proven to have a good effect on NAFLD. However, the modulating process between FGF21 and gut microbiota remains unclear in treating NAFLD. Here, the fecal microbiota composition of 30 patients with NAFLD who had undergone liver biopsy and 29 matched healthy participants were studied, together with the fecal bile acid (BA) profile. Treatment with FGF21 was given in methionine-choline-deficient (MCD) diet-induced NAFLD model C57BL/6 mice. An antibiotic cocktail and fecal microbiota transplantation were used to further confirm the benefits of FGF21 that were partially attributable to the change in gut microbiota. Patients with NAFLD had higher serum FGF21 levels and dysregulated fecal microbiota compositions and fecal BA profiles. In NAFLD mice, FGF21 significantly reduced steatohepatitis and collagen deposition in vivo and restored intestinal structure. FGF21 treatment also changed gut microbiota composition and regulated dysbiosis in BA metabolism. After treatment with an antibiotic cocktail, FGF21 partially alleviated hepatic and intestinal damage in NAFLD mice. Furthermore, fecal microbiota transplantation from FGF21-treated mice showed benefits similar to FGF21 therapy. The improvement using FGF21 in MCD diet-induced NAFLD mice is partially mediated via gut microbiota and BA. Gut microbiota-regulated BA metabolism may be a potential target of FGF21 in improving NAFLD.
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Affiliation(s)
- Danfeng Lin
- Department of Ultrasonography, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China; School of Pharmacy, Wenzhou Medical University, Wenzhou, 325035, China
| | - Qiyan Sun
- School of Pharmacy, Wenzhou Medical University, Wenzhou, 325035, China
| | - Zhaoyang Liu
- School of Pharmacy, Wenzhou Medical University, Wenzhou, 325035, China
| | - Jiaxuan Pan
- School of Pharmacy, Wenzhou Medical University, Wenzhou, 325035, China
| | - Jing Zhu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Shangwen Wang
- School of Pharmacy, Wenzhou Medical University, Wenzhou, 325035, China
| | - Sining Jia
- School of Pharmacy, Wenzhou Medical University, Wenzhou, 325035, China
| | - Minghua Zheng
- Department of Hepatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
| | - Xiaokun Li
- School of Pharmacy, Wenzhou Medical University, Wenzhou, 325035, China.
| | - Fanghua Gong
- School of Pharmacy, Wenzhou Medical University, Wenzhou, 325035, China.
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Lapatto HA, Kuusela M, Heikkinen A, Muniandy M, van der Kolk BW, Gopalakrishnan S, Pöllänen N, Sandvik M, Schmidt MS, Heinonen S, Saari S, Kuula J, Hakkarainen A, Tampio J, Saarinen T, Taskinen MR, Lundbom N, Groop PH, Tiirola M, Katajisto P, Lehtonen M, Brenner C, Kaprio J, Pekkala S, Ollikainen M, Pietiläinen KH, Pirinen E. Nicotinamide riboside improves muscle mitochondrial biogenesis, satellite cell differentiation, and gut microbiota in a twin study. SCIENCE ADVANCES 2023; 9:eadd5163. [PMID: 36638183 PMCID: PMC9839336 DOI: 10.1126/sciadv.add5163] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 12/09/2022] [Indexed: 06/17/2023]
Abstract
Nicotinamide adenine dinucleotide (NAD+) precursor nicotinamide riboside (NR) has emerged as a promising compound to improve obesity-associated mitochondrial dysfunction and metabolic syndrome in mice. However, most short-term clinical trials conducted so far have not reported positive outcomes. Therefore, we aimed to determine whether long-term NR supplementation boosts mitochondrial biogenesis and metabolic health in humans. Twenty body mass index (BMI)-discordant monozygotic twin pairs were supplemented with an escalating dose of NR (250 to 1000 mg/day) for 5 months. NR improved systemic NAD+ metabolism, muscle mitochondrial number, myoblast differentiation, and gut microbiota composition in both cotwins. NR also showed a capacity to modulate epigenetic control of gene expression in muscle and adipose tissue in both cotwins. However, NR did not ameliorate adiposity or metabolic health. Overall, our results suggest that NR acts as a potent modifier of NAD+ metabolism, muscle mitochondrial biogenesis and stem cell function, gut microbiota, and DNA methylation in humans irrespective of BMI.
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Affiliation(s)
- Helena A. K. Lapatto
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
| | - Minna Kuusela
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
| | - Aino Heikkinen
- Institute for Molecular Medicine Finland (FIMM), HiLIFE, University of Helsinki, Helsinki, Finland
| | - Maheswary Muniandy
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
| | - Birgitta W. van der Kolk
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
| | | | - Noora Pöllänen
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
| | - Martin Sandvik
- Institute of Biotechnology, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Mark S. Schmidt
- Department of Biochemistry, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Sini Heinonen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
| | - Sina Saari
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
| | - Juho Kuula
- Department of Radiology, Medical Imaging Center, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
- Population Health Unit, Finnish Institute for Health and Welfare, Helsinki, Finland
- Population Health Unit, Finnish Institute for Health and Welfare, Oulu, Finland
| | - Antti Hakkarainen
- Department of Radiology, Medical Imaging Center, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Janne Tampio
- School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Tuure Saarinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
- Abdominal Center, Department of Gastrointestinal Surgery, Helsinki University Hospital, Helsinki, Finland
| | - Marja-Riitta Taskinen
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
| | - Nina Lundbom
- Department of Radiology, Medical Imaging Center, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Per-Henrik Groop
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
- Folkhälsan Institute of Genetics, Folkhälsan Research Center, Helsinki, Finland
- Abdominal Center, Nephrology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, Australia
| | - Marja Tiirola
- Department of Environmental and Biological Sciences, University of Jyväskylä, FI-40014 Jyväskylä, Finland
| | - Pekka Katajisto
- Institute of Biotechnology, HiLIFE, University of Helsinki, Helsinki, Finland
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | - Marko Lehtonen
- School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Charles Brenner
- Department of Diabetes and Cancer Metabolism, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Jaakko Kaprio
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
| | - Satu Pekkala
- Faculty of Sport and Health Sciences, University of Jyväskylä, FI-40014 Jyväskylä, Finland
| | - Miina Ollikainen
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
- Minerva Foundation Institute for Medical Research, Helsinki, Finland
| | - Kirsi H. Pietiläinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
- Abdominal Center, Healthy Weight Hub, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Eija Pirinen
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, FIN-00014 Helsinki, Finland
- Research Unit of Biomedicine and Internal Medicine, Faculty of Medicine, University of Oulu, FIN-90220 Oulu, Finland
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Kong CY, Yang YQ, Han B, Chen HL, Mao YQ, Huang JT, Wang LS, Li ZM. Fecal microbiome transplant from patients with lactation mastitis promotes mastitis in conventional lactating mice. Front Microbiol 2023; 14:1123444. [PMID: 37125159 PMCID: PMC10140588 DOI: 10.3389/fmicb.2023.1123444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/23/2023] [Indexed: 05/02/2023] Open
Abstract
Introduction Lactation mastitis seriously severely affects the health of lactating females and their infants, yet the underlying causes of clinical lactation mastitis remain unclear. Methods In this study, we used microbiota-humanized mice as a model to investigate the role of gut microbiota in lactation mastitis. We compared the fecal microbiota of lactation mastitis patients and healthy individuals and conducted fecal microbiota transplantation (FMT) experiments in an antibiotic-pretreated mouse model to test whether gut microbes contribute to human lactation mastitis. Results Our results showed that gut microbiota diversity was reduced and dysbiosis was present in lactating mastitis patients. FMT from lactation mastitis patients (M-FMT), but not from healthy individuals (H-FMT), to antibiotic-treated mice resulted in lactation mastitis. The inflammation in mice caused by gut microbiota from lactating mastitis patients appears to be pervasive, as hepatocytes from mice that received feces from lactating mastitis patients showed marked swelling. In addition, serum pro-inflammatory factors, including IL-4, IL-17, MPO, IL-6, IL-1β, and TNF-α, were significantly increased in the M-FMT group. The Firmicutes/Bacteroidetes ratio (F/B), a biomarker of gut dysbiosis, was significantly increased in the M-FMT group. At the phylum level, Actinobacteria were significantly increased, and Verrucomicrobia were significantly decreased in the M-FMT group. At the genus level, Ruminococcus and Faecalibacterium were significantly reduced, while Parabacteroides were significantly increased in the feces of both patients with lactation mastitis and M-FMT mice. Moreover, our study revealed an "amplification effect" on microbiota differences and mastitis disease following human-to-mouse FMT. Conclusion Collectively, our findings demonstrate that the gut microbiota in lactating mastitis patients is dysbiotic and contributes to the pathogenesis of mastitis.
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Affiliation(s)
- Chao-Yue Kong
- Center for Traditional Chinese Medicine and Gut Microbiota, Minhang Hospital, Fudan University, Shanghai, China
- Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Yi-Qin Yang
- Traditional Chinese Medicine Department, Minhang Hospital, Fudan University, Shanghai, China
| | - Bing Han
- Center for Traditional Chinese Medicine and Gut Microbiota, Minhang Hospital, Fudan University, Shanghai, China
- Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Hui-Ling Chen
- Center for Traditional Chinese Medicine and Gut Microbiota, Minhang Hospital, Fudan University, Shanghai, China
- Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Yu-Qin Mao
- Center for Traditional Chinese Medicine and Gut Microbiota, Minhang Hospital, Fudan University, Shanghai, China
- Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Jia-Ting Huang
- Center for Traditional Chinese Medicine and Gut Microbiota, Minhang Hospital, Fudan University, Shanghai, China
- Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Li-Shun Wang
- Center for Traditional Chinese Medicine and Gut Microbiota, Minhang Hospital, Fudan University, Shanghai, China
- Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Zhan-Ming Li
- Center for Traditional Chinese Medicine and Gut Microbiota, Minhang Hospital, Fudan University, Shanghai, China
- Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
- *Correspondence: Zhan-Ming Li,
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Butucel E, Balta I, McCleery D, Marcu A, Stef D, Pet I, Callaway T, Stef L, Corcionivoschi N. The Prebiotic Effect of an Organic Acid Mixture on Faecalibacterium prausnitzii Metabolism and Its Anti-Pathogenic Role against Vibrio parahaemolyticus in Shrimp. BIOLOGY 2022; 12:biology12010057. [PMID: 36671749 PMCID: PMC9855566 DOI: 10.3390/biology12010057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 12/20/2022] [Accepted: 12/27/2022] [Indexed: 12/31/2022]
Abstract
Increasing the abundance of probiotic bacteria in the gut requires either direct dietary supplementation or the inclusion of feed additives able to support the growth of beneficial commensal bacteria. In crustaceans, the increased presence of probiotic-like bacteria in the gut, including of Faecalibacterium prausnitzii (F. prausnitzii), will guarantee a positive health status and a gut environment that will ensure enhanced performance. The aim of this study was to investigate if a mixture of organic acids, AuraAqua (Aq) can stimulate the growth and the anti-pathogenic efficacy of F. prausnitzii through a combination of in vitro and ex vivo models. The results showed that 0.5% Aq was able to improve the growth rate of F. prausnitzii in vitro and in an ex vivo shrimp gut model. Moreover, we were able to demonstrate that Aq increases butyrate production and cellulose degradation in culture or in the shrimp gut model. The growth-stimulating effect of Aq also led to an improved and anti-pathogenic effect against Vibrio parahaemolyticus in a co-culture experiment with shrimp gut primary epithelial cells (SGP). In conclusion, our work demonstrates that Aq can stimulate the growth of F. prausnitzii, increase the production of short-chain fatty acid (SCFA) butyrate, improve substrate digestion, and prevent V. parahaemolyticus invasion of SGP cells.
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Affiliation(s)
- Eugenia Butucel
- Bacteriology Branch, Veterinary Sciences Division, Agri-Food and Biosciences Institute, Belfast BT4 3SD, Northern Ireland, UK
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, 300645 Timisoara, Romania
| | - Igori Balta
- Bacteriology Branch, Veterinary Sciences Division, Agri-Food and Biosciences Institute, Belfast BT4 3SD, Northern Ireland, UK
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, 300645 Timisoara, Romania
| | - David McCleery
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, 300645 Timisoara, Romania
| | - Adela Marcu
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, 300645 Timisoara, Romania
| | - Ducu Stef
- Faculty of Food Engineering, University of Life Sciences King Mihai I from Timisoara, 300645 Timisoara, Romania
| | - Ioan Pet
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, 300645 Timisoara, Romania
| | - Todd Callaway
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602, USA
| | - Lavinia Stef
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, 300645 Timisoara, Romania
- Correspondence: (L.S.); (N.C.)
| | - Nicolae Corcionivoschi
- Bacteriology Branch, Veterinary Sciences Division, Agri-Food and Biosciences Institute, Belfast BT4 3SD, Northern Ireland, UK
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, 300645 Timisoara, Romania
- Correspondence: (L.S.); (N.C.)
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Liu J, Qin X, Lin B, Cui J, Liao J, Zhang F, Lin Q. Analysis of gut microbiota diversity in Hashimoto's thyroiditis patients. BMC Microbiol 2022; 22:318. [PMID: 36564707 PMCID: PMC9789560 DOI: 10.1186/s12866-022-02739-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 12/14/2022] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Hashimoto's thyroiditis (HT) is an autoimmune disease. Recent studies have found that the gut microbiota may play an important role in inducing HT, but there are no systematic studies on the changes in the gut microbiota during the development of HT. METHODS In this study, 16S rDNA high-throughput sequencing technology in combination with the Kruskal-Wallis test, CCA/RDA analysis, Spearman correlation analysis, and other statistical methods were used to analyze the effects of age, gender, hormones, and other environmental factors on gut microbiota by comparing the differences in the microbiota at different stages of HT development. RESULTS The results showed that there were differences in the gut microbiota composition between healthy people (HCA) and in patients with HT. Lachnoclostridium, Bilophila, and Klebsiella were enriched in the HCA group, while Akkermansia, Lachnospiraceae, Bifidobacterium, Shuttleia, and Clostriworthdia were enriched in the HT group. Environmental factors analysis revealed that the Bifidobacterium and Klebsiella were two groups of bacteria that have undergone dramatic changes in HCA and HT, and mainly affected by gender. Romboutsia and Haemophilus regulated by the hormone of free triiodothyronine (FT3) may promote the development of HT, while Faecalibacterium and Lachnospiraceae regulated by free thyroxine (FT4) may protect the host. CONCLUSIONS Comprehensive studies have shown that gender is an important factor affecting gut microbial composition, but with the development of HT, hormones, age, and TSH begin to become dominant factors.
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Affiliation(s)
- Jilai Liu
- grid.411504.50000 0004 1790 1622Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
| | - Xuejun Qin
- grid.411504.50000 0004 1790 1622Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
| | - Boxi Lin
- grid.411504.50000 0004 1790 1622Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
| | - Jing Cui
- grid.411504.50000 0004 1790 1622Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
| | - Juan Liao
- grid.411504.50000 0004 1790 1622Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
| | - Fu Zhang
- grid.411504.50000 0004 1790 1622Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
| | - Qing Lin
- grid.411504.50000 0004 1790 1622Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
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Zhan Q, Wang R, Thakur K, Feng JY, Zhu YY, Zhang JG, Wei ZJ. Unveiling of dietary and gut-microbiota derived B vitamins: Metabolism patterns and their synergistic functions in gut-brain homeostasis. Crit Rev Food Sci Nutr 2022; 64:4046-4058. [PMID: 36271691 DOI: 10.1080/10408398.2022.2138263] [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: 11/03/2022]
Abstract
Nutrition-gut cross-talk holds a vital position in sustaining intestinal function, and micronutrient metabolism has emerged as the foremost metabolic pathway to preserve gut homeostasis. Among micronutrients, B vitamins have evolved prior to DNA/RNA and are known for their vital roles for major evolutionary transitions in extant organisms. Despite their universal requirement and critical role, not all the three domains of life are endowed with a natural ability for de novo B vitamins synthesis. The human gut microbiome constitutes prototrophs and auxotroph which are entirely dependent on dietary intake and gut microbial production of B vitamins. The syntrophic metabolism involving cross-feeding of B vitamins and community-wide exchange between commensal bacteria elicit important changes in the diversity and composition of the human gut microbiome. Hereto, we discuss the B-vitamins sharing among prototrophic and auxotrophic gut bacteria, their absorption in small intestine and transport in distal gut, functional role in relation to the gut homeostasis and symptoms linked to their deficiency. We also briefly explore their potential involvement as psychobiotics in brain energetic metabolism (kynurenines/tryptophan pathway) for neurological functions and highlight their deficiency related malfunctioning.
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Affiliation(s)
- Qi Zhan
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, People's Republic of China
| | - Rui Wang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, People's Republic of China
| | - Kiran Thakur
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, People's Republic of China
- Ningxia Key Laboratory for the Development and Application of Microbial Resources in Extreme Environments, School of Biological Science and Engineering, North Minzu University, Yinchuan, People's Republic of China
| | - Jing-Yu Feng
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, People's Republic of China
| | - Yun-Yang Zhu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, People's Republic of China
| | - Jian-Guo Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, People's Republic of China
- Ningxia Key Laboratory for the Development and Application of Microbial Resources in Extreme Environments, School of Biological Science and Engineering, North Minzu University, Yinchuan, People's Republic of China
| | - Zhao-Jun Wei
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, People's Republic of China
- Ningxia Key Laboratory for the Development and Application of Microbial Resources in Extreme Environments, School of Biological Science and Engineering, North Minzu University, Yinchuan, People's Republic of China
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Yang X, Tai Y, Ma Y, Xu Z, Hao J, Han D, Li J, Deng X. Cecum microbiome and metabolism characteristics of Silky Fowl and White Leghorn chicken in late laying stages. Front Microbiol 2022; 13:984654. [PMID: 36338096 PMCID: PMC9633115 DOI: 10.3389/fmicb.2022.984654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 09/05/2022] [Indexed: 01/08/2023] Open
Abstract
Cecal microflora plays a key role in the production performance and immune function of chickens. White Leghorn (WL) is a well-known commercial layer line chicken with high egg production rate. In contrast, Silky Fowl (SF), a Chinese native chicken variety, has a low egg production rate, but good immune performance. This study analyzed the composition of cecal microbiota, metabolism, and gene expression in intestinal tissue of these varieties and the correlations among them. Significant differences were observed in the cecal microbes: Bacteroides was significantly enriched in WL, whereas Veillonellaceae and Parabacteroides were significantly enriched in SF. Carbohydrate biosynthesis and metabolism pathways were significantly upregulated in WL cecum, which might provide more energy to the host, leading to persistently high levels of egg production. The higher Parabacteroides abundance in SF increased volicitin content, enhanced α-linolenic acid metabolism, and significantly negatively correlated with metabolites of propanoate metabolism and carbohydrate metabolism. Genes related to lipid metabolism, immunity, and melanogenesis were significantly upregulated in the SF cecum, regulating lipid metabolism, and participating in the immune response, while genes related to glucose metabolism and bile acid metabolism were expressed at higher levels in WL, benefiting energy support. This study provided a mechanism for intestinal microorganisms and metabolic pathways to regulate chicken egg-laying performance and immunity.
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Affiliation(s)
- Xue Yang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yurong Tai
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yuhao Ma
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Zihan Xu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Jiaqi Hao
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Deping Han
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Junying Li
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Xuemei Deng
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing, China
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Exploring Bacterial Attributes That Underpin Symbiont Life in the Monogastric Gut. Appl Environ Microbiol 2022; 88:e0112822. [PMID: 36036591 PMCID: PMC9499014 DOI: 10.1128/aem.01128-22] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The large bowel of monogastric animals, such as that of humans, is home to a microbial community (microbiota) composed of a diversity of mostly bacterial species. Interrelationships between the microbiota as an entity and the host are complex and lifelong and are characteristic of a symbiosis. The relationships may be disrupted in association with disease, resulting in dysbiosis. Modifications to the microbiota to correct dysbiosis require knowledge of the fundamental mechanisms by which symbionts inhabit the gut. This review aims to summarize aspects of niche fitness of bacterial species that inhabit the monogastric gut, especially of humans, and to indicate the research path by which progress can be made in exploring bacterial attributes that underpin symbiont life in the gut.
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Pascale N, Gu F, Larsen N, Jespersen L, Respondek F. The Potential of Pectins to Modulate the Human Gut Microbiota Evaluated by In Vitro Fermentation: A Systematic Review. Nutrients 2022; 14:nu14173629. [PMID: 36079886 PMCID: PMC9460662 DOI: 10.3390/nu14173629] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 08/25/2022] [Indexed: 12/02/2022] Open
Abstract
Pectin is a dietary fiber, and its health effects have been described extensively. Although there are limited clinical studies, there is a growing body of evidence from in vitro studies investigating the effect of pectin on human gut microbiota. This comprehensive review summarizes the findings of gut microbiota modulation in vitro as assessed by 16S rRNA gene-based technologies and elucidates the potential structure-activity relationships. Generally, pectic substrates are slowly but completely fermented, with a greater production of acetate compared with other fibers. Their fermentation, either directly or by cross-feeding interactions, results in the increased abundances of gut bacterial communities such as the family of Ruminococcaceae, the Bacteroides and Lachnospira genera, and species such as Lachnospira eligens and Faecalibacterium prausnitzii, where the specific stimulation of Lachnospira and L. eligens is unique to pectic substrates. Furthermore, the degree of methyl esterification, the homogalacturonan-to-rhamnogalacturonan ratio, and the molecular weight are the most influential structural factors on the gut microbiota. The latter particularly influences the growth of Bifidobacterium spp. The prebiotic potential of pectin targeting specific gut bacteria beneficial for human health and well-being still needs to be confirmed in humans, including the relationship between its structural features and activity.
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Affiliation(s)
- Nélida Pascale
- CP Kelco, Cumberland Center II, 3100 Cumberland Boulevard, Suite 600, Atlanta, GA 30339, USA
| | - Fangjie Gu
- CP Kelco, Cumberland Center II, 3100 Cumberland Boulevard, Suite 600, Atlanta, GA 30339, USA
- Department of Food Science, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg, Denmark
| | - Nadja Larsen
- Department of Food Science, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg, Denmark
| | - Lene Jespersen
- Department of Food Science, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg, Denmark
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Sato T, Honda S, Tominaga Y, Miyakoshi Y, Ueda T, Sawashita J. A probiotic blend improves defecation, mental health, and productivity in healthy Japanese volunteers under stressful situations. Heliyon 2022; 8:e10614. [PMID: 36185155 PMCID: PMC9520207 DOI: 10.1016/j.heliyon.2022.e10614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/31/2022] [Accepted: 09/07/2022] [Indexed: 11/18/2022] Open
Abstract
We investigated whether a blend of probiotics (KABP-021, KABP-022, and KABP-023) improved diarrhea-related problems in healthy Japanese adults who routinely lived under stressful conditions. Twenty-six females and 34 males were divided randomly into the probiotic and placebo groups in this double-blind, placebo-controlled, parallel-group comparison study. All participants ingested 1 capsule of probiotics or placebo per day for 4 weeks. Intervention with probiotics significantly reduced diarrhea-related problems assessed by the Izumo scale compared with placebo treatment (P < 0.001). In the Short Form-8 questionnaire, probiotic intervention improved mental component scores (P = 0.002), role emotional scores (P = 0.002), and mental health scores (P < 0.001). Treatment with probiotics also reduced the effects of diarrhea on daily activities (P < 0.001) and overall working habits (P = 0.010), including missing work (absenteeism) and impaired productivity (presenteeism), as assessed by the Work Productivity and Activity Impairment Questionnaire: General Health. Furthermore, there was a correlation between improved scores for diarrhea on the Izumo scale and increased abundance of Faecalibacterium, a butyric acid-producing bacterium, in the gut in the probiotic group (P = 0.047), whereas no such a correlation or trend was found in the placebo group. Our strategy of supplementation for 4 weeks with a specific blend of probiotics reduced diarrhea-related symptoms and may improve the mental health and daily activities of healthy individuals under stress.
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Affiliation(s)
- Takumi Sato
- Probiotics Project Team, Supplement Strategic Unit, Pharma & Supplemental Nutrition Solutions Vehicle, Kaneka Corporation, 1-12-32 Akasaka, Minato-ku, Tokyo 107-6028, Japan
| | - Shinichi Honda
- Bioproducts Research Group, Biotechnology Research Laboratories, Pharma & Supplemental Nutrition Solutions Vehicle, Kaneka Corporation, 1-8 Miyamae-cho, Takasago-cho, Takasago-shi, Hyogo 676-8688, Japan
| | - Yuji Tominaga
- Bioproducts Research Group, Biotechnology Research Laboratories, Pharma & Supplemental Nutrition Solutions Vehicle, Kaneka Corporation, 1-8 Miyamae-cho, Takasago-cho, Takasago-shi, Hyogo 676-8688, Japan
| | - Yo Miyakoshi
- Probiotics Project Team, Supplement Strategic Unit, Pharma & Supplemental Nutrition Solutions Vehicle, Kaneka Corporation, 1-12-32 Akasaka, Minato-ku, Tokyo 107-6028, Japan
| | - Takahiro Ueda
- Probiotics Project Team, Supplement Strategic Unit, Pharma & Supplemental Nutrition Solutions Vehicle, Kaneka Corporation, 1-12-32 Akasaka, Minato-ku, Tokyo 107-6028, Japan
| | - Jinko Sawashita
- Products Technology Team, Supplement Strategic Unit, Pharma & Supplemental Nutrition Solutions Vehicle, Kaneka Corporation, 2-3-18 Nakanoshima, Kita-ku, Osaka 530-8288, Japan
- Corresponding author.
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Machida K, Tahara SM. Immunotherapy and Microbiota for Targeting of Liver Tumor-Initiating Stem-like Cells. Cancers (Basel) 2022; 14:2381. [PMID: 35625986 PMCID: PMC9139909 DOI: 10.3390/cancers14102381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/04/2022] [Accepted: 05/06/2022] [Indexed: 02/08/2023] Open
Abstract
Cancer contains tumor-initiating stem-like cells (TICs) that are resistant to therapies. Hepatocellular carcinoma (HCC) incidence has increased twice over the past few decades, while the incidence of other cancer types has trended downward globally. Therefore, an understanding of HCC development and therapy resistance mechanisms is needed for this incurable malignancy. This review article describes links between immunotherapies and microbiota in tumor-initiating stem-like cells (TICs), which have stem cell characteristics with self-renewal ability and express pluripotency transcription factors such as NANOG, SOX2, and OCT4. This review discusses (1) how immunotherapies fail and (2) how gut dysbiosis inhibits immunotherapy efficacy. Gut dysbiosis promotes resistance to immunotherapies by breaking gut immune tolerance and activating suppressor immune cells. Unfortunately, this leads to incurable recurrence/metastasis development. Personalized medicine approaches targeting these mechanisms of TIC/metastasis-initiating cells are emerging targets for HCC immunotherapy and microbiota modulation therapy.
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Affiliation(s)
- Keigo Machida
- Southern California Research Center for ALPD and Cirrhosis, Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, 2011 Zonal Ave., 503C-HMR, Los Angeles, CA 90033, USA;
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Schmidt S. Navigating a Two-Way Street: Metal Toxicity and the Human Gut Microbiome. ENVIRONMENTAL HEALTH PERSPECTIVES 2022; 130:32001. [PMID: 35302387 PMCID: PMC8932408 DOI: 10.1289/ehp9731] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 09/07/2021] [Indexed: 05/21/2023]
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Guetterman HM, Huey SL, Knight R, Fox AM, Mehta S, Finkelstein JL. Vitamin B-12 and the Gastrointestinal Microbiome: A Systematic Review. Adv Nutr 2021; 13:S2161-8313(22)00075-8. [PMID: 34612492 PMCID: PMC8970816 DOI: 10.1093/advances/nmab123] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Vitamin B-12 deficiency is a major public health problem affecting individuals across the lifespan, with known hematological, neurological, and obstetric consequences. Emerging evidence suggests that vitamin B-12 may have an important role in other aspects of human health, including the composition and function of the gastrointestinal (gut) microbiome. Vitamin B-12 is synthesized and utilized by bacteria in the human gut microbiome and is required for over a dozen enzymes in bacteria, compared to only two in humans. However, the impact of vitamin B-12 on the gut microbiome has not been established. This systematic review was conducted to examine the evidence that links vitamin B-12 and the gut microbiome. A structured search strategy was used to identify in vitro, animal, and human studies that assessed vitamin B-12 status, dietary intake, or supplementation, and the gut microbiome using culture-independent techniques. A total of 22 studies (3 in vitro, 8 animal, 11 human observational studies) were included. Nineteen studies reported vitamin B-12 intake, status, or supplementation was associated with gut microbiome outcomes, including beta-diversity, alpha-diversity, relative abundance of bacteria, functional capacity, or short chain fatty acid production. Evidence suggests vitamin B-12 may be associated with changes in bacterial abundance. While results from in vitro studies suggest vitamin B-12 may increase alpha-diversity and shift gut microbiome composition (beta-diversity), findings from animal studies and observational human studies were heterogeneous. Based on evidence from in vitro and animal studies, microbiome outcomes may differ by cobalamin form and co-intervention. To date, few prospective observational studies and no randomized trials have been conducted to examine the effects of vitamin B-12 on the human gut microbiome. The impact of vitamin B-12 on the gut microbiome needs to be elucidated to inform screening and public health interventions. Statement of significance: Vitamin B-12 is synthesized and utilized by bacteria in the human gut microbiome and is required by over a dozen enzymes in bacteria. However, to date, no systematic reviews have been conducted to evaluate the impact of vitamin B-12 on the gut microbiome, or its implications for human health.
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Affiliation(s)
| | - Samantha L Huey
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, USA
| | - Rob Knight
- Department of Pediatrics, University of California San Diego, La Jolla, CA, USA,Department of Computer Science and Engineering, University of California San Diego, La Jolla, CA, USA,Department of Bioengineering, University of California San Diego, La Jolla, CA, USA,Center for Microbiome Innovation, University of California San Diego, La Jolla, CA, USA
| | - Allison M Fox
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, USA
| | - Saurabh Mehta
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, USA,Division of Epidemiology, Department of Population Health Sciences, Weill Cornell Medical College, New York, NY, USA,Institute for Nutritional Sciences, Global Health, and Technology, Cornell University, Ithaca, NY, USA
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Kumari M, Singh P, Nataraj BH, Kokkiligadda A, Naithani H, Azmal Ali S, Behare PV, Nagpal R. Fostering next-generation probiotics in human gut by targeted dietary modulation: An emerging perspective. Food Res Int 2021; 150:110716. [PMID: 34865747 DOI: 10.1016/j.foodres.2021.110716] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 08/07/2021] [Accepted: 09/15/2021] [Indexed: 12/16/2022]
Abstract
Emerging evidence and an in-depth understanding of the microbiome have helped in identifying beneficial commensals and their therapeutic potentials. Specific commensal taxa/ strains of the human gut microbiome have been positively associated with human health and recently termed as next-generation probiotics (NGPs). Of these, Akkermansia muciniphila, Ruminococcus bromii, Faecalibacterium prausnitzii, Anaerobutyricum hallii, and Roseburia intestinalis are the five most relevant gut-derived NGPs that have demonstrated therapeutic potential in managing metabolic diseases. Specific and natural dietary interventions can modulate the abundance and activity of these beneficial bacteria in the gut. Hence, the understanding of targeted stimulation of specific NGP by specific probiotic-targeted diets (PTD) is indispensable for the rational application of their combination. The supplementation of NGP with its specific PTD will help the strain(s) to compete with harmful microbes and acquire its niche. This combination would enhance the effectiveness of NGPs to be used as "live biotherapeutic products" or food nutraceuticals. Under the current milieu, we review various PTDs that influence the abundance of specific potential NGPs, and contemplates potential interactions between diet, microbes, and their effects on host health. Taking into account the study mentioned, we propose that combining NGPs will provide an alternate solution for developing the new diet in conjunction with PTD.
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Affiliation(s)
- Manorama Kumari
- Technofunctional Starters Lab, National Collection of Dairy Cultures, Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal 132001, Haryana, India
| | - Parul Singh
- Proteomics and Cell Biology Lab, Animal Biotechnology Center, National Dairy Research Institute, Karnal 132001, Haryana, India
| | - Basavaprabhu H Nataraj
- Technofunctional Starters Lab, National Collection of Dairy Cultures, Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal 132001, Haryana, India
| | - Anusha Kokkiligadda
- Technofunctional Starters Lab, National Collection of Dairy Cultures, Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal 132001, Haryana, India
| | - Harshita Naithani
- Technofunctional Starters Lab, National Collection of Dairy Cultures, Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal 132001, Haryana, India
| | - Syed Azmal Ali
- Proteomics and Cell Biology Lab, Animal Biotechnology Center, National Dairy Research Institute, Karnal 132001, Haryana, India
| | - Pradip V Behare
- Technofunctional Starters Lab, National Collection of Dairy Cultures, Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal 132001, Haryana, India.
| | - Ravinder Nagpal
- Department of Nutrition and Integrative Physiology, Florida State University, Tallahassee, FL 32306, USA.
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