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  • World Microbiome Day 2019

    World Microbiome Day is on June 27th this year. World Microbiome Day began in 2018 to demonstrate its emergence as a subject with global impact. That impact is being felt across a variety of disciplines including science, medicine, and nutrition. This year’s theme is “Bacterial Resistance to Antibiotics” highlighting the need to better understand microbes. […]

  • Gut Microbe Takes a Share of Our Brain Meds

    Swallowing a drug can tilt the gut-brain axis, alleviating the symptoms of neurodegenerative diseases such as Parkinson’s. Yet the axis can resist tilting as though its orientation were maintained by hidden sources of inertia. Suspected inertial dampeners include gut microbes. Although gut microbes have been thought to metabolize and lessen the efficacy of levodopa, the […]

  • Language, numeracy and logic in microbiome science

    To deliver precision therapeutics, microbiome-based medicine will require precision of language, logic and numerical accuracy. Epidemiological lessons of the past suggest that attempts to link almost everything in modern life with the microbiome as a risk factor for disease, without rapprochement with plausible mechanisms, will generate controversy rather than consensus. Read more at Nature Reviews: […]

  • USF Health convenes first Microbiome Joint Workshop with University of Florida

    The University of South Florida and the University of Florida convened a Microbiome Joint Workshop at USF Health on May 28, with research presentations by basic scientists and clinician scientists from both universities. It was an important first step in working together to unravel how different microorganisms living in our guts, on our skin, and […]

  • EU biotech firms unite in pushing for ‘harmonised’ microbiome therapeutics regulation

    The Intestinal Microbiome-based Medicines European Task Group (IMM-ETG) involves Caelus Health, EnteroBiotix, Ferring Pharmaceuticals and Maat Pharma along with Pharmabiotic Research Institute (PRI). “The IMM-ETG has been established to contribute to a harmonised regulatory framework in Europe for the intestinal microbiome products based on the whole ecosystem,” said Dr. Luc Sterkman, CEO of Caelus Health. […]

  • Priorities for the next 10 years of human microbiome research

    Over the past decade, more than US$1.7 billion has been spent on human microbiome research. Major projects are under way in the United States, the European Union, China, Canada, Ireland, South Korea and Japan. This investment has confirmed the importance of the microbiome to human health and development. It is now known, for instance, that […]

  • The Human Microbiome Project expands the toolbox for studying host and microbiome interactions

    Results from three long-term studies following host and microbiome characteristics during pregnancy and preterm birth, inflammatory bowel disease, and prediabetes have expanded our understanding of how humans and microbes interact and the resulting consequences for our health. The studies were funded as part of a second phase of the National Institutes of Health’s Human Microbiome […]

  • Transportation Affects Gut Microbiome of Laboratory Mice

    Experimental controls are at the center of every quality experiment, and understanding the causes of microbiome variability is key to controlling for microbiome-related effects. Researchers that utilize murine models attempt to control for possible microbiome variability by ordering mice from the same vendor, using littermate controls, and employing co-housing strategies1. Given the ongoing research reproducibility […]

  • Cell Press: Cell Host & Microbe

    The Human Microbiome has been a recent area of intense research, rapid progress, and exciting advances. Cell Host & Microbe has published a diverse array of exciting articles related to The Human Microbiome. In this Collection, we present a selection of recent research and review articles on the topic. Read more at Cell Press: Cell […]

  • Pomegranate peel extract alters the microbiome in mice and dysbiosis caused by Citrobacter rodentium infection

    ABSTRACT Treatment of mice with a pomegranate peel extract (PPX) decreased the pathogenicity of Citrobacter rodentium (Cr) infections. Here, we investigate the effects of PPX on the microbiome of uninfected or Cr‐infected C3H/HeNCr mice by 16S rRNA gene sequencing. Mice were treated with water or PPX for 14 days, feces were collected, and then, the […]

  • Vendor‐Specific Microbiome Controls both Acute and Chronic Murine Lung Allograft Rejection by Altering CD4+Foxp3+ Regulatory T Cell Levels

    ABSTRACT Despite standardized post‐operative care some lung transplant patients suffer multiple episodes of acute and chronic rejection while others avoid graft problems for reasons that are poorly understood. Using an established model of C57BL/10 to C57BL/6 minor antigen mismatched single lung transplantation we now demonstrate that the recipient microbiota contributes to variability in the alloimmune […]

  • Programmable bacteria induce durable tumor regression and systemic antitumor immunity

    ABSTRACT Synthetic biology is driving a new era of medicine through the genetic programming of living cells1,2. This transformative approach allows for the creation of engineered systems that intelligently sense and respond to diverse environments, ultimately adding specificity and efficacy that extends beyond the capabilities of molecular-based therapeutics3,4,5,6. One particular area of focus has been […]

  • Enrichment of intestinal Lactobacillus by enhanced secretory IgA coating alters glucose homeostasis in P2rx7−/− mice

    ABSTRACT Safety concerns arising from the consumption of foods derived from genetically modified (GM) crops remains a controversial subject. We report here a faecal microbiota compositional analysis in Wistar rats from the GMO90 + study, which fed glyphosate-tolerant NK603 (+/− Roundup application) and Bt toxin MON810 GM maize for 6 months in comparison to their […]

  • Dietary fructose-induced gut dysbiosis promotes mouse hippocampal neuroinflammation: a benefit of short-chain fatty acids

    ABSTRACT BACKGROUND Western-style diets arouse neuroinflammation and impair emotional and cognitive behavior in humans and animals. Our previous study showed that a high-fructose diet caused the hippocampal neuroinflammatory response and neuronal loss in animals, but the underlying mechanisms remained elusive. Here, alterations in the gut microbiota and intestinal epithelial barrier were investigated as the causes […]

  • Hypergravity disrupts murine intestinal microbiota

    ABSTRACT During spaceflight, organisms are subjected to various physical stressors including modification of gravity (G) that, associated with lifestyle, could lead to impaired immunity, intestinal dysbiosis and thus potentially predispose astronauts to illness. Whether space travel affects microbiota homeostasis has not been thoroughly investigated. The aim of this study was to evaluate changes in intestinal […]

  • Environmental microcystin targets the microbiome and increases the risk of intestinal inflammatory pathology via NOX2 in underlying murine model of Nonalcoholic Fatty Liver Disease

    ABSTRACT With increased climate change pressures likely to influence harmful algal blooms, exposure to microcystin, a known hepatotoxin and a byproduct of cyanobacterial blooms can be a risk factor for NAFLD associated comorbidities. Using both in vivo and in vitro experiments we show that microcystin exposure in NAFLD mice cause rapid alteration of gut microbiome, […]

  • Neuroinflammation in Murine Cirrhosis is Dependent on the Gut Microbiome and is Attenuated by Fecal Transplant

    ABSTRACT Cirrhosis and hepatic encephalopathy (HE) is associated with an altered gut‐liver‐brain axis. Fecal microbial transplant (FMT) after antibiotics improves outcomes in HE, but the impact on brain function is unclear. The aim of this study is to determine the effect of colonization using human donors in germ‐free (GF) mice on the gut‐liver‐brain axis. GF […]

  • Misoprostol protects mice against severe Clostridium difficile infection and promotes recovery of the gut microbiota after antibiotic perturbation

    ABSTRACT Clostridium difficile infection (CDI) is one of the most common nosocomial infections worldwide and an urgent public health threat. Epidemiological and experimental studies have demonstrated an association between nonsteroidal anti-inflammatory drug (NSAID) exposure and enhanced susceptibility to, and severity of, CDI. NSAIDs target cyclooxygenase enzymes and inhibit the production of prostaglandins (PGs), but the […]

  • Events
    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.


    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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