1
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Yadegar A, Bar-Yoseph H, Monaghan TM, Pakpour S, Severino A, Kuijper EJ, Smits WK, Terveer EM, Neupane S, Nabavi-Rad A, Sadeghi J, Cammarota G, Ianiro G, Nap-Hill E, Leung D, Wong K, Kao D. Fecal microbiota transplantation: current challenges and future landscapes. Clin Microbiol Rev 2024; 37:e0006022. [PMID: 38717124 DOI: 10.1128/cmr.00060-22] [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] [Indexed: 06/14/2024] Open
Abstract
SUMMARYGiven the importance of gut microbial homeostasis in maintaining health, there has been considerable interest in developing innovative therapeutic strategies for restoring gut microbiota. One such approach, fecal microbiota transplantation (FMT), is the main "whole gut microbiome replacement" strategy and has been integrated into clinical practice guidelines for treating recurrent Clostridioides difficile infection (rCDI). Furthermore, the potential application of FMT in other indications such as inflammatory bowel disease (IBD), metabolic syndrome, and solid tumor malignancies is an area of intense interest and active research. However, the complex and variable nature of FMT makes it challenging to address its precise functionality and to assess clinical efficacy and safety in different disease contexts. In this review, we outline clinical applications, efficacy, durability, and safety of FMT and provide a comprehensive assessment of its procedural and administration aspects. The clinical applications of FMT in children and cancer immunotherapy are also described. We focus on data from human studies in IBD in contrast with rCDI to delineate the putative mechanisms of this treatment in IBD as a model, including colonization resistance and functional restoration through bacterial engraftment, modulating effects of virome/phageome, gut metabolome and host interactions, and immunoregulatory actions of FMT. Furthermore, we comprehensively review omics technologies, metagenomic approaches, and bioinformatics pipelines to characterize complex microbial communities and discuss their limitations. FMT regulatory challenges, ethical considerations, and pharmacomicrobiomics are also highlighted to shed light on future development of tailored microbiome-based therapeutics.
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Affiliation(s)
- Abbas Yadegar
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Haggai Bar-Yoseph
- Department of Gastroenterology, Rambam Health Care Campus, Haifa, Israel
- Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Tanya Marie Monaghan
- National Institute for Health Research Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom
- Nottingham Digestive Diseases Centre, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Sepideh Pakpour
- School of Engineering, Faculty of Applied Sciences, UBC, Okanagan Campus, Kelowna, British Columbia, Canada
| | - Andrea Severino
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
- Department of Medical and Surgical Sciences, UOC CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, Rome, Italy
- Department of Medical and Surgical Sciences, UOC Gastroenterologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Ed J Kuijper
- Center for Microbiota Analysis and Therapeutics (CMAT), Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | - Wiep Klaas Smits
- Center for Microbiota Analysis and Therapeutics (CMAT), Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | - Elisabeth M Terveer
- Center for Microbiota Analysis and Therapeutics (CMAT), Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | - Sukanya Neupane
- Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Ali Nabavi-Rad
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Javad Sadeghi
- School of Engineering, Faculty of Applied Sciences, UBC, Okanagan Campus, Kelowna, British Columbia, Canada
| | - Giovanni Cammarota
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
- Department of Medical and Surgical Sciences, UOC CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, Rome, Italy
- Department of Medical and Surgical Sciences, UOC Gastroenterologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Gianluca Ianiro
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, Rome, Italy
- Department of Medical and Surgical Sciences, UOC CEMAD Centro Malattie dell'Apparato Digerente, Medicina Interna e Gastroenterologia, Fondazione Policlinico Universitario Gemelli IRCCS, Rome, Italy
- Department of Medical and Surgical Sciences, UOC Gastroenterologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Estello Nap-Hill
- Department of Medicine, Division of Gastroenterology, St Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
| | - Dickson Leung
- Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Karen Wong
- Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Dina Kao
- Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
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2
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Younker IT, Molnar N, Scorza K, Weed R, Light SH, Pfister CA. Bacteria on the foundational kelp in kelp forest ecosystems: Insights from culturing, whole genome sequencing and metabolic assays. ENVIRONMENTAL MICROBIOLOGY REPORTS 2024; 16:e13270. [PMID: 38778582 PMCID: PMC11112141 DOI: 10.1111/1758-2229.13270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 04/06/2024] [Indexed: 05/25/2024]
Abstract
In coastal marine ecosystems, kelp forests serve as a vital habitat for numerous species and significantly influence local nutrient cycles. Bull kelp, or Nereocystis luetkeana, is a foundational species in the iconic kelp forests of the northeast Pacific Ocean and harbours a complex microbial community with potential implications for kelp health. Here, we report the isolation and functional characterisation of 16 Nereocystis-associated bacterial species, comprising 13 Gammaproteobacteria, 2 Flavobacteriia and 1 Actinomycetia. Genome analyses of these isolates highlight metabolisms potentially beneficial to the host, such as B vitamin synthesis and nitrogen retention. Assays revealed that kelp-associated bacteria thrive on amino acids found in high concentrations in the ocean and in the kelp (glutamine and asparagine), generating ammonium that may facilitate host nitrogen acquisition. Multiple isolates have genes indicative of interactions with key elemental cycles in the ocean, including carbon, nitrogen and sulphur. We thus report a collection of kelp-associated microbial isolates that provide functional insight for the future study of kelp-microbe interactions.
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Affiliation(s)
- Isaac T. Younker
- Committee on MicrobiologyThe University of ChicagoChicagoIllinoisUSA
| | - Nichos Molnar
- The CollegeThe University of ChicagoChicagoIllinoisUSA
| | - Kaylie Scorza
- The CollegeThe University of ChicagoChicagoIllinoisUSA
| | - Roo Weed
- The Graduate Program in Biophysical SciencesThe University of ChicagoChicagoIllinoisUSA
| | - Samuel H. Light
- Department of MicrobiologyThe University of ChicagoChicagoIllinoisUSA
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3
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Kirsch JM, Hryckowian AJ, Duerkop BA. A metagenomics pipeline reveals insertion sequence-driven evolution of the microbiota. Cell Host Microbe 2024; 32:739-754.e4. [PMID: 38565143 PMCID: PMC11081829 DOI: 10.1016/j.chom.2024.03.005] [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: 10/16/2023] [Revised: 02/06/2024] [Accepted: 03/08/2024] [Indexed: 04/04/2024]
Abstract
Insertion sequence (IS) elements are mobile genetic elements in bacterial genomes that support adaptation. We developed a database of IS elements coupled to a computational pipeline that identifies IS element insertions in the microbiota. We discovered that diverse IS elements insert into the genomes of intestinal bacteria regardless of human host lifestyle. These insertions target bacterial accessory genes that aid in their adaptation to unique environmental conditions. Using IS expansion in Bacteroides, we show that IS activity leads to the insertion of "hot spots" in accessory genes. We show that IS insertions are stable and can be transferred between humans. Extreme environmental perturbations force IS elements to fall out of the microbiota, and many fail to rebound following homeostasis. Our work shows that IS elements drive bacterial genome diversification within the microbiota and establishes a framework for understanding how strain-level variation within the microbiota impacts human health.
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Affiliation(s)
- Joshua M Kirsch
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, School of Medicine, Aurora, CO 80045, USA
| | - Andrew J Hryckowian
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53706, USA; Department of Medical Microbiology & Immunology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53706, USA
| | - Breck A Duerkop
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, School of Medicine, Aurora, CO 80045, USA.
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4
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Mancuso CP, Baker JS, Qu E, Tripp AD, Balogun IO, Lieberman TD. Intraspecies warfare restricts strain coexistence in human skin microbiomes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.07.592803. [PMID: 38765968 PMCID: PMC11100718 DOI: 10.1101/2024.05.07.592803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Determining why only a fraction of encountered or applied bacterial strains engraft in a given person's microbiome is crucial for understanding and engineering these communities1. Previous work has established that metabolism can determine colonization success in vivo2-4, but relevance of bacterial warfare in preventing engraftment has been less explored. Here, we demonstrate that intraspecies warfare presents a significant barrier to strain transmission in the skin microbiome by profiling 14,884 pairwise interactions between Staphylococcus epidermidis cultured from eighteen human subjects from six families. We find that intraspecies antagonisms are abundant; these interactions are mechanistically diverse, independent of the relatedness between strains, and consistent with rapid evolution via horizontal gene transfer. Ability to antagonize more strains is associated with reaching a higher fraction of the on-person S. epidermidis community. Moreover, antagonisms are significantly depleted among strains residing on the same person relative to random assemblages. Two notable exceptions, in which bacteria evolved to become sensitive to antimicrobials found on the same host, are explained by mutations that provide phage resistance, contextualizing the importance of warfare among other lethal selective pressures. Taken together, our results emphasize that accounting for intraspecies bacterial warfare is essential to the design of long-lasting probiotic therapeutics.
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Affiliation(s)
- Christopher P. Mancuso
- Institute for Medical Engineering and Sciences, Massachusetts Institute of Technology; Cambridge, MA 02142, USA
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology; Cambridge, MA 02142, USA
| | - Jacob S. Baker
- Institute for Medical Engineering and Sciences, Massachusetts Institute of Technology; Cambridge, MA 02142, USA
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology; Cambridge, MA 02142, USA
| | - Evan Qu
- Institute for Medical Engineering and Sciences, Massachusetts Institute of Technology; Cambridge, MA 02142, USA
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology; Cambridge, MA 02142, USA
| | - A. Delphine Tripp
- Institute for Medical Engineering and Sciences, Massachusetts Institute of Technology; Cambridge, MA 02142, USA
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology; Cambridge, MA 02142, USA
- Department of Systems Biology, Harvard University; Cambridge, MA 02138, USA
| | - Ishaq O. Balogun
- Institute for Medical Engineering and Sciences, Massachusetts Institute of Technology; Cambridge, MA 02142, USA
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology; Cambridge, MA 02142, USA
| | - Tami D. Lieberman
- Institute for Medical Engineering and Sciences, Massachusetts Institute of Technology; Cambridge, MA 02142, USA
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology; Cambridge, MA 02142, USA
- Broad Institute of MIT and Harvard; Cambridge, MA 02142, USA
- Ragon Institute of MGH, MIT, and Harvard; Cambridge, MA 02142, USA
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5
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Chen Q, Wu C, Xu J, Ye C, Chen X, Tian H, Zong N, Zhang S, Li L, Gao Y, Zhao D, Lv X, Yang Q, Wang L, Cui J, Lin Z, Lu J, Yang R, Yin F, Qin N, Li N, Xu Q, Qin H. Donor-recipient intermicrobial interactions impact transfer of subspecies and fecal microbiota transplantation outcome. Cell Host Microbe 2024; 32:349-365.e4. [PMID: 38367621 DOI: 10.1016/j.chom.2024.01.013] [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: 09/19/2023] [Revised: 12/08/2023] [Accepted: 01/25/2024] [Indexed: 02/19/2024]
Abstract
Studies on fecal microbiota transplantation (FMT) have reported inconsistent connections between clinical outcomes and donor strain engraftment. Analyses of subspecies-level crosstalk and its influences on lineage transfer in metagenomic FMT datasets have proved challenging, as single-nucleotide polymorphisms (SNPs) are generally not linked and are often absent. Here, we utilized species genome bin (SGB), which employs co-abundance binning, to investigate subspecies-level microbiome dynamics in patients with autism spectrum disorder (ASD) who had gastrointestinal comorbidities and underwent encapsulated FMT (Chinese Clinical Trial: 2100043906). We found that interactions between donor and recipient microbes, which were overwhelmingly phylogenetically divergent, were important for subspecies transfer and positive clinical outcomes. Additionally, a donor-recipient SGB match was indicative of a high likelihood of strain transfer. Importantly, these ecodynamics were shared across FMT datasets encompassing multiple diseases. Collectively, these findings provide detailed insight into specific microbial interactions and dynamics that determine FMT success.
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Affiliation(s)
- Qiyi Chen
- Department of Colorectal Disease, Intestinal Microenvironment Treatment Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China; Institute of Gut Microbiota Research and Engineering Development, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Chunyan Wu
- Institute of Gut Microbiota Research and Engineering Development, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China; Realbio Genomics Institute, Shanghai 200050, China
| | - Jinfeng Xu
- Institute of Gut Microbiota Research and Engineering Development, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Chen Ye
- Department of Colorectal Disease, Intestinal Microenvironment Treatment Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Xiang Chen
- Realbio Genomics Institute, Shanghai 200050, China
| | - Hongliang Tian
- Department of Colorectal Disease, Intestinal Microenvironment Treatment Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Naixin Zong
- Institute of Gut Microbiota Research and Engineering Development, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Shaoyi Zhang
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Long Li
- Department of Colorectal Disease, Intestinal Microenvironment Treatment Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Yuan Gao
- Institute of Gut Microbiota Research and Engineering Development, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Di Zhao
- Department of Colorectal Disease, Intestinal Microenvironment Treatment Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Xiaoqiong Lv
- Department of Colorectal Disease, Intestinal Microenvironment Treatment Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Qilin Yang
- Institute of Intestinal Diseases, Department of General Surgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Le Wang
- Department of Colorectal Disease, Intestinal Microenvironment Treatment Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Jiaqu Cui
- Department of Colorectal Disease, Intestinal Microenvironment Treatment Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Zhiliang Lin
- Department of Colorectal Disease, Intestinal Microenvironment Treatment Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Jubao Lu
- Department of Colorectal Disease, Intestinal Microenvironment Treatment Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Rong Yang
- Department of Pediatrics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Fang Yin
- Institute of Gut Microbiota Research and Engineering Development, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Nan Qin
- Institute of Gut Microbiota Research and Engineering Development, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China; Realbio Genomics Institute, Shanghai 200050, China
| | - Ning Li
- Department of Colorectal Disease, Intestinal Microenvironment Treatment Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China.
| | - Qian Xu
- Institute of Gut Microbiota Research and Engineering Development, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China; Institute of Intestinal Diseases, Department of General Surgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China.
| | - Huanlong Qin
- Department of Colorectal Disease, Intestinal Microenvironment Treatment Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China; Institute of Gut Microbiota Research and Engineering Development, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China; Institute of Intestinal Diseases, Department of General Surgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China.
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6
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Kirsch JM, Hryckowian AJ, Duerkop BA. A metagenomics pipeline reveals insertion sequence-driven evolution of the microbiota. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.10.06.561241. [PMID: 37873088 PMCID: PMC10592638 DOI: 10.1101/2023.10.06.561241] [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
Insertion sequence (IS) elements are mobile genetic elements in bacterial genomes that support adaptation. We developed a database of IS elements coupled to a computational pipeline that identifies IS element insertions in the microbiota. We discovered that diverse IS elements insert into the genomes of intestinal bacteria regardless of human host lifestyle. These insertions target bacterial accessory genes that aid in their adaptation to unique environmental conditions. Using IS expansion in Bacteroides, we show that IS activity leads to insertion "hot spots" in accessory genes. We show that IS insertions are stable and can be transferred between humans. Extreme environmental perturbations force IS elements to fall out of the microbiota and many fail to rebound following homeostasis. Our work shows that IS elements drive bacterial genome diversification within the microbiota and establishes a framework for understanding how strain level variation within the microbiota impacts human health.
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Affiliation(s)
- Joshua M. Kirsch
- Department of Immunology and Microbiology, University of Colorado - Anschutz Medical Campus, School of Medicine, Aurora, Colorado, 80045, USA
| | - Andrew J. Hryckowian
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, 53706, USA
- Department of Medical Microbiology & Immunology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, 53706, USA
| | - Breck A. Duerkop
- Department of Immunology and Microbiology, University of Colorado - Anschutz Medical Campus, School of Medicine, Aurora, Colorado, 80045, USA
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7
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Elmassry MM, Sugihara K, Chankhamjon P, Camacho FR, Wang S, Sugimoto Y, Chatterjee S, Chen LA, Kamada N, Donia MS. A meta-analysis of the gut microbiome in inflammatory bowel disease patients identifies disease-associated small molecules. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.07.579278. [PMID: 38370680 PMCID: PMC10871352 DOI: 10.1101/2024.02.07.579278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Changes in the gut microbiome have been associated with several human diseases, but the molecular and functional details underlying these associations remain largely unknown. Here, we performed a multi-cohort analysis of small molecule biosynthetic gene clusters (BGCs) in 5,306 metagenomic samples of the gut microbiome from 2,033 Inflammatory Bowel Disease (IBD) patients and 833 matched healthy subjects and identified a group of Clostridia-derived BGCs that are significantly associated with IBD. Using synthetic biology, we discovered and solved the structures of six fatty acid amides as the products of the IBD-enriched BGCs. Using two mouse models of colitis, we show that the discovered small molecules disrupt gut permeability and exacerbate inflammation in chemically and genetically susceptible mice. These findings suggest that microbiome-derived small molecules may play a role in the etiology of IBD and represent a generalizable approach for discovering molecular mediators of microbiome-host interactions in the context of microbiome-associated diseases.
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Affiliation(s)
- Moamen M Elmassry
- Department of Molecular Biology, Princeton University, Princeton, New Jersey, 08544, USA
| | - Kohei Sugihara
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, 48109, USA
| | | | - Francine R Camacho
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, New Jersey, 08544, USA
| | - Shuo Wang
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey, 08544, USA
| | - Yuki Sugimoto
- Department of Molecular Biology, Princeton University, Princeton, New Jersey, 08544, USA
| | - Seema Chatterjee
- Department of Molecular Biology, Princeton University, Princeton, New Jersey, 08544, USA
| | - Lea Ann Chen
- Department of Medicine, Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey, 08901, USA
| | - Nobuhiko Kamada
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, 48109, USA
- Department of Pathology, University of Michigan, Ann Arbor, Michigan, 48109, USA
- WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Mohamed S Donia
- Department of Molecular Biology, Princeton University, Princeton, New Jersey, 08544, USA
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey, 08544, USA
- Lead Contact
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8
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Fiebig A, Schnizlein MK, Pena-Rivera S, Trigodet F, Dubey AA, Hennessy MK, Basu A, Pott S, Dalal S, Rubin D, Sogin ML, Eren AM, Chang EB, Crosson S. Bile acid fitness determinants of a Bacteroides fragilis isolate from a human pouchitis patient. mBio 2024; 15:e0283023. [PMID: 38063424 PMCID: PMC10790697 DOI: 10.1128/mbio.02830-23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 10/26/2023] [Indexed: 12/19/2023] Open
Abstract
IMPORTANCE The Gram-negative bacterium Bacteroides fragilis is a common member of the human gut microbiota that colonizes multiple host niches and can influence human physiology through a variety of mechanisms. Identification of genes that enable B. fragilis to grow across a range of host environments has been impeded in part by the relatively limited genetic tractability of this species. We have developed a high-throughput genetic resource for a B. fragilis strain isolated from a UC pouchitis patient. Bile acids limit microbial growth and are altered in abundance in UC pouches, where B. fragilis often blooms. Using this resource, we uncovered pathways and processes that impact B. fragilis fitness in bile and that may contribute to population expansions during bouts of gut inflammation.
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Affiliation(s)
- Aretha Fiebig
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Matthew K. Schnizlein
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Selymar Pena-Rivera
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Florian Trigodet
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
- Helmholtz Institute for Functional Marine Biodiversity, University of Oldenburg, Oldenburg, Germany
| | - Abhishek Anil Dubey
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Miette K. Hennessy
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Anindita Basu
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | - Sebastian Pott
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | - Sushila Dalal
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | - David Rubin
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | | | - A. Murat Eren
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
- Helmholtz Institute for Functional Marine Biodiversity, University of Oldenburg, Oldenburg, Germany
| | - Eugene B. Chang
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | - Sean Crosson
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
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9
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Newman KL, Allegretti JR. Emerging Noninfectious Indications for Live Biotherapeutic Products in Gastroenterology. Am J Gastroenterol 2024; 119:S30-S35. [PMID: 38153224 DOI: 10.14309/ajg.0000000000002584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 10/22/2023] [Indexed: 12/29/2023]
Affiliation(s)
- Kira L Newman
- Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Jessica R Allegretti
- Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
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10
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Kullberg RFJ, Rozday TJ, Haak BW. Microbial murmurs - decoding hidden conversations between bacteria. Nat Rev Microbiol 2024; 22:3. [PMID: 37932604 DOI: 10.1038/s41579-023-00991-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Affiliation(s)
- Robert F J Kullberg
- Center for Experimental and Molecular Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | | | - Bastiaan W Haak
- Center for Experimental and Molecular Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands.
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK.
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11
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Marcelino VR, Welsh C, Diener C, Gulliver EL, Rutten EL, Young RB, Giles EM, Gibbons SM, Greening C, Forster SC. Disease-specific loss of microbial cross-feeding interactions in the human gut. Nat Commun 2023; 14:6546. [PMID: 37863966 PMCID: PMC10589287 DOI: 10.1038/s41467-023-42112-w] [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: 02/14/2023] [Accepted: 09/27/2023] [Indexed: 10/22/2023] Open
Abstract
Many gut microorganisms critical to human health rely on nutrients produced by each other for survival; however, these cross-feeding interactions are still challenging to quantify and remain poorly characterized. Here, we introduce a Metabolite Exchange Score (MES) to quantify those interactions. Using metabolic models of prokaryotic metagenome-assembled genomes from over 1600 individuals, MES allows us to identify and rank metabolic interactions that are significantly affected by a loss of cross-feeding partners in 10 out of 11 diseases. When applied to a Crohn's disease case-control study, our approach identifies a lack of species with the ability to consume hydrogen sulfide as the main distinguishing microbiome feature of disease. We propose that our conceptual framework will help prioritize in-depth analyses, experiments and clinical targets, and that targeting the restoration of microbial cross-feeding interactions is a promising mechanism-informed strategy to reconstruct a healthy gut ecosystem.
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Affiliation(s)
- Vanessa R Marcelino
- Department of Molecular and Translational Sciences, Monash University, Clayton, VIC, 3168, Australia.
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC, 3168, Australia.
- Melbourne Integrative Genomics, School of BioSciences, University of Melbourne, Parkville, VIC, 3010, Australia.
- Department of Microbiology and Immunology at the Peter Doherty Institute for Infection and Immunity, University of Melbourne, Parkville, VIC, 3010, Australia.
| | - Caitlin Welsh
- Department of Microbiology, Biomedicine Discovery Institute, Clayton, VIC, 3800, Australia
| | | | - Emily L Gulliver
- Department of Molecular and Translational Sciences, Monash University, Clayton, VIC, 3168, Australia
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC, 3168, Australia
| | - Emily L Rutten
- Department of Molecular and Translational Sciences, Monash University, Clayton, VIC, 3168, Australia
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC, 3168, Australia
| | - Remy B Young
- Department of Molecular and Translational Sciences, Monash University, Clayton, VIC, 3168, Australia
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC, 3168, Australia
| | - Edward M Giles
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC, 3168, Australia
- Department of Paediatrics, Monash University, Clayton, VIC, 3168, Australia
| | - Sean M Gibbons
- Institute for Systems Biology, Seattle, WA, 98109, USA
- Department of Bioengineering, University of Washington, Seattle, WA, 98195, USA
- Department of Genome Sciences, University of Washington, Seattle, WA, 98195, USA
- eScience Institute, University of Washington, Seattle, WA, 98195, USA
| | - Chris Greening
- Department of Microbiology, Biomedicine Discovery Institute, Clayton, VIC, 3800, Australia
| | - Samuel C Forster
- Department of Molecular and Translational Sciences, Monash University, Clayton, VIC, 3168, Australia.
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC, 3168, Australia.
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12
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Rossetto Marcelino V. The value of connections. eLife 2023; 12:e92319. [PMID: 37725094 PMCID: PMC10508881 DOI: 10.7554/elife.92319] [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: 09/21/2023] Open
Abstract
High proportions of gut bacteria that produce their own food can be an indicator for poor gut health.
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Affiliation(s)
- Vanessa Rossetto Marcelino
- Melbourne Integrative Genomics, School of Biosciences and Department of Microbiology and Immunology at the Peter Doherty Institute for Infection and Immunity, University of MelbourneMelbourneAustralia
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13
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Kennedy MS, Zhang M, DeLeon O, Bissell J, Trigodet F, Lolans K, Temelkova S, Carroll KT, Fiebig A, Deutschbauer A, Sidebottom AM, Lake J, Henry C, Rice PA, Bergelson J, Chang EB. Dynamic genetic adaptation of Bacteroides thetaiotaomicron during murine gut colonization. Cell Rep 2023; 42:113009. [PMID: 37598339 PMCID: PMC10528517 DOI: 10.1016/j.celrep.2023.113009] [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: 05/08/2022] [Revised: 05/17/2023] [Accepted: 08/03/2023] [Indexed: 08/22/2023] Open
Abstract
To understand how a bacterium ultimately succeeds or fails in adapting to a new host, it is essential to assess the temporal dynamics of its fitness over the course of colonization. Here, we introduce a human-derived commensal organism, Bacteroides thetaiotaomicron (Bt), into the guts of germ-free mice to determine whether and how the genetic requirements for colonization shift over time. Combining a high-throughput functional genetics assay and transcriptomics, we find that gene usage changes drastically during the first days of colonization, shifting from high expression of amino acid biosynthesis genes to broad upregulation of diverse polysaccharide utilization loci. Within the first week, metabolism becomes centered around utilization of a predominant dietary oligosaccharide, and these changes are largely sustained through 6 weeks of colonization. Spontaneous mutations in wild-type Bt also evolve around this locus. These findings highlight the importance of considering temporal colonization dynamics in developing more effective microbiome-based therapies.
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Affiliation(s)
- Megan S Kennedy
- Medical Scientist Training Program, Pritzker School of Medicine, The University of Chicago, Chicago, IL, USA; Department of Ecology & Evolution, The University of Chicago, Chicago, IL, USA
| | - Manjing Zhang
- Committee on Microbiology, The University of Chicago, Chicago, IL, USA
| | - Orlando DeLeon
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Jacie Bissell
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Florian Trigodet
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Karen Lolans
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | - Sara Temelkova
- Department of Medicine, The University of Chicago, Chicago, IL, USA
| | | | - Aretha Fiebig
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
| | - Adam Deutschbauer
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA; Department of Plant and Microbial Biology, University of California, Berkeley, Berkeley, CA, USA
| | - Ashley M Sidebottom
- Duchossois Family Institute, Department of Biomedical Sciences, The University of Chicago, Chicago, IL, USA
| | - Joash Lake
- Committee on Immunology, The University of Chicago, Chicago, IL, USA
| | - Chris Henry
- Mathematics and Computer Science Division, Argonne National Laboratory, Lemont, IL, USA
| | - Phoebe A Rice
- Department of Biochemistry & Molecular Biology, The University of Chicago, Chicago, IL, USA
| | - Joy Bergelson
- Committee on Microbiology, The University of Chicago, Chicago, IL, USA
| | - Eugene B Chang
- Department of Medicine, The University of Chicago, Chicago, IL, USA.
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14
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Zuniga-Chaves I, Eggers S, Kates AE, Safdar N, Suen G, Malecki KMC. Neighborhood socioeconomic status is associated with low diversity gut microbiomes and multi-drug resistant microorganism colonization. NPJ Biofilms Microbiomes 2023; 9:61. [PMID: 37640705 PMCID: PMC10462741 DOI: 10.1038/s41522-023-00430-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 08/18/2023] [Indexed: 08/31/2023] Open
Abstract
Social disparities continue to limit universal access to health care, directly impacting both lifespan and quality of life. Concomitantly, the gut microbiome has been associated with downstream health outcomes including the global rise in antibiotic resistance. However, limited evidence exists examining socioeconomic status (SES) associations with gut microbiome composition. To address this, we collected information on the community-level SES, gut microbiota, and other individual cofactors including colonization by multidrug-resistant organisms (MDROs) in an adult cohort from Wisconsin, USA. We found an association between SES and microbial composition that is mediated by food insecurity. Additionally, we observed a higher prevalence of MDROs isolated from individuals with low diversity microbiomes and low neighborhood SES. Our integrated population-based study considers how the interplay of several social and economic factors combine to influence gut microbial composition while providing a framework for developing future interventions to help mitigate the SES health gap.
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Affiliation(s)
- Ibrahim Zuniga-Chaves
- Department of Bacteriology, University of Wisconsin-Madison, Madison, WI, USA
- Microbiology Doctoral Training Program, University of Wisconsin-Madison, Madison, WI, USA
| | - Shoshannah Eggers
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
- Department of Epidemiology, University of Iowa College of Public Health, Iowa City, IA, USA
| | - Ashley E Kates
- Division of Infectious Disease, Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
| | - Nasia Safdar
- Division of Infectious Disease, Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
| | - Garret Suen
- Department of Bacteriology, University of Wisconsin-Madison, Madison, WI, USA.
| | - Kristen M C Malecki
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA.
- Environmental and Occupational Health Sciences, School of Public Health, University of Chicago Illinois, IL, Chicago, USA.
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15
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Feehan B, Ran Q, Dorman V, Rumback K, Pogranichniy S, Ward K, Goodband R, Niederwerder MC, Lee STM. Novel complete methanogenic pathways in longitudinal genomic study of monogastric age-associated archaea. Anim Microbiome 2023; 5:35. [PMID: 37461084 DOI: 10.1186/s42523-023-00256-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 07/11/2023] [Indexed: 07/20/2023] Open
Abstract
BACKGROUND Archaea perform critical roles in the microbiome system, including utilizing hydrogen to allow for enhanced microbiome member growth and influencing overall host health. With the majority of microbiome research focusing on bacteria, the functions of archaea are largely still under investigation. Understanding methanogenic functions during the host lifetime will add to the limited knowledge on archaeal influence on gut and host health. In our study, we determined lifelong archaea dynamics, including detection and methanogenic functions, while assessing global, temporal and host distribution of our novel archaeal metagenome-assembled genomes (MAGs). We followed 7 monogastric swine throughout their life, from birth to adult (1-156 days of age), and collected feces at 22 time points. The samples underwent gDNA extraction, Illumina sequencing, bioinformatic quality and assembly processes, MAG taxonomic assignment and functional annotation. MAGs were utilized in downstream phylogenetic analysis for global, temporal and host distribution in addition to methanogenic functional potential determination. RESULTS We generated 1130 non-redundant MAGs, representing 588 unique taxa at the species level, with 8 classified as methanogenic archaea. The taxonomic classifications were as follows: orders Methanomassiliicoccales (5) and Methanobacteriales (3); genera UBA71 (3), Methanomethylophilus (1), MX-02 (1), and Methanobrevibacter (3). We recovered the first US swine Methanobrevibacter UBA71 sp006954425 and Methanobrevibacter gottschalkii MAGs. The Methanobacteriales MAGs were identified primarily during the young, preweaned host whereas Methanomassiliicoccales primarily in the adult host. Moreover, we identified our methanogens in metagenomic sequences from Chinese swine, US adult humans, Mexican adult humans, Swedish adult humans, and paleontological humans, indicating that methanogens span different hosts, geography and time. We determined complete metabolic pathways for all three methanogenic pathways: hydrogenotrophic, methylotrophic, and acetoclastic. This study provided the first evidence of acetoclastic methanogenesis in archaea of monogastric hosts which indicated a previously unknown capability for acetate utilization in methanogenesis for monogastric methanogens. Overall, we hypothesized that the age-associated detection patterns were due to differential substrate availability via the host diet and microbial metabolism, and that these methanogenic functions are likely crucial to methanogens across hosts. This study provided a comprehensive, genome-centric investigation of monogastric-associated methanogens which will further improve our understanding of microbiome development and functions.
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Affiliation(s)
- Brandi Feehan
- Division of Biology, College of Arts and Sciences, Kansas State University, Manhattan, KS, 66506, USA
| | - Qinghong Ran
- Division of Biology, College of Arts and Sciences, Kansas State University, Manhattan, KS, 66506, USA
| | - Victoria Dorman
- Division of Biology, College of Arts and Sciences, Kansas State University, Manhattan, KS, 66506, USA
| | - Kourtney Rumback
- Division of Biology, College of Arts and Sciences, Kansas State University, Manhattan, KS, 66506, USA
| | - Sophia Pogranichniy
- Division of Biology, College of Arts and Sciences, Kansas State University, Manhattan, KS, 66506, USA
| | - Kaitlyn Ward
- Division of Biology, College of Arts and Sciences, Kansas State University, Manhattan, KS, 66506, USA
| | - Robert Goodband
- Department of Animal Sciences and Industry, College of Agriculture, Kansas State University, Manhattan, KS, 66506, USA
| | | | - Sonny T M Lee
- Division of Biology, College of Arts and Sciences, Kansas State University, Manhattan, KS, 66506, USA.
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16
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Veseli I, Chen YT, Schechter MS, Vanni C, Fogarty EC, Watson AR, Jabri B, Blekhman R, Willis AD, Yu MK, Fernàndez-Guerra A, Füssel J, Eren AM. Microbes with higher metabolic independence are enriched in human gut microbiomes under stress. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.10.540289. [PMID: 37293035 PMCID: PMC10245760 DOI: 10.1101/2023.05.10.540289] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A wide variety of human diseases are associated with loss of microbial diversity in the human gut, inspiring a great interest in the diagnostic or therapeutic potential of the microbiota. However, the ecological forces that drive diversity reduction in disease states remain unclear, rendering it difficult to ascertain the role of the microbiota in disease emergence or severity. One hypothesis to explain this phenomenon is that microbial diversity is diminished as disease states select for microbial populations that are more fit to survive environmental stress caused by inflammation or other host factors. Here, we tested this hypothesis on a large scale, by developing a software framework to quantify the enrichment of microbial metabolisms in complex metagenomes as a function of microbial diversity. We applied this framework to over 400 gut metagenomes from individuals who are healthy or diagnosed with inflammatory bowel disease (IBD). We found that high metabolic independence (HMI) is a distinguishing characteristic of microbial communities associated with individuals diagnosed with IBD. A classifier we trained using the normalized copy numbers of 33 HMI-associated metabolic modules not only distinguished states of health versus IBD, but also tracked the recovery of the gut microbiome following antibiotic treatment, suggesting that HMI is a hallmark of microbial communities in stressed gut environments.
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Affiliation(s)
- Iva Veseli
- Biophysical Sciences Program, The University of Chicago, Chicago, IL 60637, USA
- Department of Medicine, The University of Chicago, Chicago, IL 60637, USA
| | - Yiqun T. Chen
- Data Science Institute and Department of Biomedical Data Science, Stanford University, Stanford, CA, 94305, USA
| | - Matthew S. Schechter
- Department of Medicine, The University of Chicago, Chicago, IL 60637, USA
- Committee on Microbiology, The University of Chicago, Chicago, IL 60637, USA
| | - Chiara Vanni
- MARUM Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany
| | - Emily C. Fogarty
- Department of Medicine, The University of Chicago, Chicago, IL 60637, USA
- Committee on Microbiology, The University of Chicago, Chicago, IL 60637, USA
| | - Andrea R. Watson
- Department of Medicine, The University of Chicago, Chicago, IL 60637, USA
- Committee on Microbiology, The University of Chicago, Chicago, IL 60637, USA
| | - Bana Jabri
- Department of Medicine, The University of Chicago, Chicago, IL 60637, USA
| | - Ran Blekhman
- Department of Medicine, The University of Chicago, Chicago, IL 60637, USA
| | - Amy D. Willis
- Department of Biostatistics, University of Washington, Seattle, WA, 98195, USA
| | - Michael K. Yu
- Toyota Technological Institute at Chicago, Chicago, IL 60605, USA
| | - Antonio Fernàndez-Guerra
- Lundbeck Foundation GeoGenetics Centre, GLOBE Institute, University of Copenhagen, Copenhagen, Denmark
| | - Jessika Füssel
- Department of Medicine, The University of Chicago, Chicago, IL 60637, USA
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Oldenburg, Germany
| | - A. Murat Eren
- Department of Medicine, The University of Chicago, Chicago, IL 60637, USA
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Oldenburg, Germany
- Marine ‘Omics Bridging Group, Max Planck Institute for Marine Microbiology, 28359 Bremen, Germany
- Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany
- Helmholtz Institute for Functional Marine Biodiversity, 26129, Oldenburg, Germany
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