The Translational Microbiome Research Forum is an online resource for scientists engaged in translational microbiome research to access current, topical information and to provide a platform to exchange knowledge and ideas. We encourage you to participate by actively using the commenting system, by submitting links, resources, and your original research, and by joining our email list to receive updates when new content is posted.

  • Diets High in Salt May Increase Sensitivity to Autoimmune Disease through Microbiome Alteration


    High salt diets have previously been shown to increase severity of certain types of induced autoimmune disease in mouse models via a signaling pathway, but the impact of these diets on the gut microbiome and intestinal inflammation have not been studied. Researchers at McMaster University recently investigated this question in a paper titled “High salt […]

  • New Resource for Gnotobiotics Research


    Growth in Gnotobiotics Research in gnotobiotic rodents and other animal models is a growing field. The rise in microbiome studies is likely responsible for this increase. This gnotobiotic renaissance has fueled exponential growth in the number of institutions operating or making plans for gnotobiotic facilities and a demand for more education. Read more at: Taconic […]

  • Interagency Strategic Plan for Microbiome Research

    About this Document This plan was developed by the Microbiome Interagency Working Group (MIWG), an interagency working group under the Life Sciences Subcommittee (LSSC) of the National Science and Technology Council (NSTC) Committee on Science (CoS). The MIWG is a successor to the Fast Track Action Committee on Mapping the Microbiome (FTAC-MM). About the Fast […]

  • Commensal Microbes May Initiate and Drive Immune Responses in Lupus


    Spontaneous lupus erythematosus (SLE) is a chronic autoimmune disease with an unclear cause. Nearly all lupus patients have high levels of anti-nuclear antibodies with a relatively high proportion being pathogenic anti-Ro protein antibodies. At the end of March, researchers at Yale University published a paper entitled “Commensal orthologs of the human autoantigen Ro60 as triggers […]

  • Nutrition Track Agenda Announced for 4th Annual Translational Microbiome Conference


    MINNEAPOLIS, March 29, 2018– Arrowhead Publishers released a parallel nutrition track agenda for the 4th Annual Translational Microbiome Conference, scheduled April 18-20 in Boston. The conference is designed to bring together scientists at the forefront of microbiome research with pioneering business leaders at companies generating microbiome-based medical solutions. Sponsored by Nestlé Health Science, the nutrition […]

  • Squeaky clean mice could be ruining research


    Most lab mice are kept in pristine conditions, but a few immunologists think a dose of dirt could make them a better model of human disease. On an unseasonably warm February morning, Mark Pierson takes a 20-minute drive to one of Minneapolis’s larger pet shops. Pierson, a researcher in an immunology laboratory at the University […]

  • Gender-Dependent Impacts of Round-Up Herbicide on Microbiome


    It is heavily debated whether the use of the weedkiller glyphosate in agriculture and gardening can induce dysbiosis of the gut microbiota, negatively affecting human and animal health. Dysbiosis is an imbalance in the microbiome composition associated with conditions such as colitis, metabolic syndrome, allergies, and more. Herbicide and the Microbiome We recently highlighted new […]

  • Which experimental systems should we use for human microbiome science?


    ABSTRACT Microbiome science is revealing that the phenotype and health of animals, including humans, depend on the sustained function of their resident microorganisms. In this essay, I argue for thoughtful choice of model systems for human microbiome science. A greater variety of experimental systems, including wider use of invertebrate models, would benefit biomedical research, while […]

  • Microbiome Cycles Revealed by Low-Cost Gnotobiotic Cages


    While developing a low-cost alternative to traditional gnotobiotic isolators, a team of researchers at Case Western Reserve University (CWRU) were able to characterize cyclical changes in the microbiomes of gnotobiotic mice. Their research has implications for both the design and affordability of gnotobiotic animal model research. High Cost of Gnotobiotic Isolators Isolators are the gold […]

  • Microbial signals drive pre-leukaemic myeloproliferation in a Tet2-deficient host


    ABSTRACT Somatic mutations in tet methylcytosine dioxygenase 2 (TET2), which encodes an epigenetic modifier enzyme, drive the development of haematopoietic malignancies1,2,3,4,5,6,7. In both humans and mice, TET2 deficiency leads to increased self-renewal of haematopoietic stem cells with a net developmental bias towards the myeloid lineage1,4,8,9. However, pre-leukaemic myeloproliferation (PMP) occurs in only a fraction of […]

  • Early-Life Antibiotic-Driven Dysbiosis Leads to Dysregulated Vaccine Immune Responses in Mice

    ABSTRACT Antibody-mediated responses play a critical role in vaccine-mediated immunity. However, for reasons that are poorly understood, these responses are highly variable between individuals. Using a mouse model, we report that antibiotic-driven intestinal dysbiosis, specifically in early life, leads to significantly impaired antibody responses to five different adjuvanted and live vaccines. Restoration of the commensal […]

  • Light exposure influences the diurnal oscillation of gut microbiota in mice

    ABSTRACT The gut microbiota exhibit diurnal compositional and functional oscillations that influence the host homeostasis. However, the upstream factors that affect the microbial oscillations remain elusive. Here, we focused on the potential impact of light exposure, the main factor that affects the host circadian oscillation, on the diurnal oscillations of intestinal microflora to explore the […]

  • Prolonged restraint stressor exposure in outbred CD-1 mice impacts microbiota, colonic inflammation, and short chain fatty acids


    ABSTRACT Stressor-exposure has been shown to exacerbate inflammation and change the composition of the gastrointestinal microbiota; however stressor-induced effects on microbiota-derived metabolites and their receptors are unknown. Thus, bacterial-produced short chain fatty acids (SCFAs), as well as microbial community composition, were assessed in the colons of mice exposed to stress during infection with Citrobacter rodentium. […]

  • Gut microbiota utilize immunoglobulin A for mucosal colonization

    ABSTRACT The immune system responds vigorously to microbial infection, while permitting life-long colonization by the microbiome. Mechanisms that facilitate the establishment and stability of the gut microbiota remain poorly described. We discovered that a sensor/regulatory system in the prominent human commensal Bacteroides fragilis modulates its surface architecture to invite binding of immunoglobulin A (IgA). Specific […]

  • Nonmicrobicidal Small Molecule Inhibition of Polysaccharide Metabolism in Human Gut Microbes: A Potential Therapeutic Avenue


    ABSTRACT A new approach for the nonmicrobicidal phenotypic manipulation of prominent gastrointestinal microbes is presented. Low micromolar concentrations of a chemical probe, acarbose, can selectively inhibit the Starch Utilization System and ablate the ability of Bacteroides thetaiotaomicron and B. fragilis strains to metabolize potato starch and pullulan. This strategy has potential therapeutic relevance for the […]

  • Pumpkin polysaccharide modifies the gut microbiota during alleviation of type 2 diabetes in rats

    ABSTRACT Pumpkin polysaccharide is able to alleviate diabetes, but understanding of the underlining mechanism is still limited. In this study, we hypothesized that the alleviating effects of pumpkin polysaccharide is modulated via changes in the gut microbiota and short-chain fatty acid (SCFA) production in type 2 diabetic rats. After the type 2 diabetic model successfully […]

  • Targeting the gut microbiome to treat the osteoarthritis of obesity


    ABSTRACT Obesity is a risk factor for osteoarthritis (OA), the greatest cause of disability in the US. The impact of obesity on OA is driven by systemic inflammation, and increased systemic inflammation is now understood to be caused by gut microbiome dysbiosis. Oligofructose, a nondigestible prebiotic fiber, can restore a lean gut microbial community profile […]

  • Small Intestine Microbiota Regulate Host Digestive and Absorptive Adaptive Responses to Dietary Lipids


    ABSTRACT The gut microbiota play important roles in lipid metabolism and absorption. However, the contribution of the small bowel microbiota of mammals to these diet-microbe interactions remains unclear. We determine that germ-free (GF) mice are resistant to diet-induced obesity and malabsorb fat with specifically impaired lipid digestion and absorption within the small intestine. Small bowel […]

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    We maintain a calendar of events and meetings related to the field of Microbiome Research. Check it often for new events and conferences, or submit something for the calendar here.

  • Gut microbiota from multiple sclerosis patients enables spontaneous autoimmune encephalomyelitis in mice


    Significance Studies using experimental models have indicated that multiple sclerosis (MS)-like disease can be triggered in the gut following interactions of brain autoimmune T lymphocytes with local microbiota.

  • BOOK REVIEW: GNOTOBIOTICS


    Gnotobiotics, edited by Trenton Schoeb and Kathryn Eaton, is invaluable to those developing or managing gnotobiotic facilities.

  • Stress could be just as unhealthy as junk food


    Brigham Young University: We all know that a poor diet is unhealthy, but a new BYU study finds that stress may just as harmful to our bodies as a really bad diet.

  • Infection via mosquito bite alters Zika virus replication kinetics in rhesus macaques


    Abstract For more than three decades it has been recognized that small amounts of vector saliva can significantly alter the infectivity of vector-borne pathogens and subsequent in vivo dynamics.

  • Of Mice, Dirty Mice, and Men: Using Mice To Understand Human Immunology


    Abstract Mouse models have enabled breakthroughs in our understanding of the immune system, but it has become increasingly popular to emphasize their shortcomings when translating observations to humans.

  • Microbial Genetic Composition Tunes Host Longevity


    Highlights •Systematic analysis of longevity-promoting microbial genetic variations •Colanic acid as a pro-longevity natural compound effective in different species

  • Learning more about the gut microbiota


    The GMFH editing team recommends these book selections on the topic.

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