How Commensal Gut Bacteria Keep Pathogens in Check
How Commensal Gut Bacteria Keep Pathogens in Check
Recent studies describe how resident microbiota appear to outcompete unwelcome visitors, either with superior weaponry or by guzzling up local resources.  
How Commensal Gut Bacteria Keep Pathogens in Check
How Commensal Gut Bacteria Keep Pathogens in Check

Recent studies describe how resident microbiota appear to outcompete unwelcome visitors, either with superior weaponry or by guzzling up local resources.  

Recent studies describe how resident microbiota appear to outcompete unwelcome visitors, either with superior weaponry or by guzzling up local resources.  

gut microbiome
Gut Microbiome May Help or Hinder Defenses Against SARS-CoV-2
Gut Microbiome May Help or Hinder Defenses Against SARS-CoV-2
Bianca Nogrady | Aug 31, 2021
The health of the microbial community is associated with COVID-19 severity, but it’s not yet clear if the relationship is causal.
Infographic: Maternal Microbiota Has Lasting Effects on Offspring
Infographic: Maternal Microbiota Has Lasting Effects on Offspring
Carolyn A. Thomson, Kathy D. McCoy | Aug 1, 2021
Work in rodents shows that the bacteria living in a mother’s gut can produce immunomodulatory metabolites and influence the production of maternal antibodies—both of which can affect her offspring’s development.
The Role of Mom’s Microbes During Pregnancy
The Role of Mom’s Microbes During Pregnancy
Carolyn A. Thomson, Kathy D. McCoy | Aug 1, 2021
Bacteria in the gut influence the production of antibodies and themselves secrete metabolites. In a pregnant woman, these compounds may influence immune development of her fetus.
Rice-based Cholera Vaccine Induces Antibodies in Small Trial
Rice-based Cholera Vaccine Induces Antibodies in Small Trial
Alejandra Manjarrez | Jul 8, 2021
Immune-response levels to the edible vaccine varied among the subjects, possibly due to differences in the gut microbiome.
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord | Jul 1, 2021
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
Gene Exchange Among Gut Bacteria Is Linked to Industrialization
Gene Exchange Among Gut Bacteria Is Linked to Industrialization
Catherine Offord | Mar 31, 2021
A study of human populations around the world detects differing rates of horizontal gene transfer in the microbiome depending on what kind of society those people live in.
Fecal Transplant Could Boost Immunotherapy to Treat Melanoma
Fecal Transplant Could Boost Immunotherapy to Treat Melanoma
Shawna Williams | Feb 12, 2021
The results from two Phase 1 trials bolster the case that the gut microbiome plays a role in response to the drugs.
Honeybee Microbes Shape the Colony’s Social Behavior
Honeybee Microbes Shape the Colony’s Social Behavior
Max Kozlov | Jan 1, 2021
Recent research shows that the insect’s microbial community is central to protecting the hive from invaders—both big and small.
Alcohol, Bowel Movements May Confound Microbiology Studies
Alcohol, Bowel Movements May Confound Microbiology Studies
Max Kozlov | Nov 6, 2020
A review offers a glimpse of previously unconsidered variables that could hinder efforts to identify true correlations between disease and gut microbiome composition.
Fecal Transfer from Moms to Babies After C-Section: Trial Results
Fecal Transfer from Moms to Babies After C-Section: Trial Results
Ruth Williams | Oct 1, 2020
Tiny doses of maternal poo mixed with breast milk and given to Cesarean-born infants makes their gut microbiota resemble those of babies born vaginally.
Contributors
Contributors
The Scientist Staff | Jun 1, 2020
Meet some of the people featured in the June 2020 issue of The Scientist.
The Infant Gut Microbiome and Probiotics that Work
The Infant Gut Microbiome and Probiotics that Work
Jennifer T. Smilowitz, Diana Hazard Taft | Jun 1, 2020
The gut microbiome is more malleable in the first two years after birth, allowing probiotics to make their mark. Can we exploit this to improve infants’ health?
Infographic: The Changing Infant Gut Microbiome
Infographic: The Changing Infant Gut Microbiome
Jennifer T. Smilowitz, Diana Hazard Taft | Jun 1, 2020
The microbial makeup of a newborn baby’s intestines has changed dramatically over the past 100 years, and we are now beginning to understand how and why this matters.
A Citizen Scientist Makes Her Mark in Microbiome Research
A Citizen Scientist Makes Her Mark in Microbiome Research
Amy Schleunes | Jun 1, 2020
The BioCollective, a company that transforms whole stool samples into microbial metadata, is developing the US’s first national microbiome reference material.
Gut Microbiome Composition Linked to Human Behavior
Gut Microbiome Composition Linked to Human Behavior
Amy Schleunes | Jun 1, 2020
A study uncovers connections between the bacteria in our guts and our social lives.
The Influence of Soil on Immune Health
The Influence of Soil on Immune Health
Jef Akst | Jan 8, 2020
Recent work in humans and mice highlights how exposure to environmental microbes helps protect against allergies and other inflammatory diseases.
Scientists Criticize Mouse Study of New Alzheimer’s Drug
Scientists Criticize Mouse Study of New Alzheimer’s Drug
Emily Makowski | Nov 13, 2019
Oligomannate, recently approved in China, is being met with some skepticism from researchers.
Human Gut Virome Is Stable and Person-Specific
Human Gut Virome Is Stable and Person-Specific
Abby Olena | Oct 10, 2019
Most of the viruses present in people’s guts are bacteriophages, but how they interact with resident bacteria is still an open question.
Gut Microbes Boost Flu Vaccine’s Success: Clinical Trial
Gut Microbes Boost Flu Vaccine’s Success: Clinical Trial
Abby Olena | Sep 5, 2019
Antibiotics disrupt the immune response to the influenza vaccine in people who haven’t recently had exposure to the virus or immunization.