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Person taking antibiotic pill
What Happens to the Gut Microbiome After Taking Antibiotics?
Studies are finding that a single course of antibiotics alters the gut microbiomes of healthy volunteers—and that it can take months or even years to recover the original species composition.
What Happens to the Gut Microbiome After Taking Antibiotics?
What Happens to the Gut Microbiome After Taking Antibiotics?

Studies are finding that a single course of antibiotics alters the gut microbiomes of healthy volunteers—and that it can take months or even years to recover the original species composition.

Studies are finding that a single course of antibiotics alters the gut microbiomes of healthy volunteers—and that it can take months or even years to recover the original species composition.

antibiotic resistance
illustration showing a microscopic view of C. auris, with clusters of round balls connected by filaments
CDC Warns of Person-to-Person Transmission of Resistant Fungus
Shawna Williams | Jul 26, 2021 | 3 min read
In a first, patients who hadn’t been treated with antifungals were found to carry Candida auris impervious to all three available classes of the drugs.
A person wearing a purple glove holds out a blue pill
Fecal Microbiota Transplantation Is Poised for a Makeover
Shawna Williams | Jun 1, 2021 | 9 min read
With multiple microbiota therapeutics in the pipeline for recurrent Clostridium difficile infection, clinicians foresee a shift in treatment options for the condition.
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The Scientist Speaks - Rising From the Dead: How Antibiotic Resistance Genes Travel Between Current and Past Bacteria
Nele Haelterman, PhD | 1 min read
Heather Kittredge and Sarah Evans discuss the environmental conditions that facilitate natural transformation in bacteria’s native habitat.  
Are Phages Overlooked Mediators of Health and Disease?
Catherine Offord | Feb 1, 2021 | 10+ min read
Bacteria-infecting viruses affect the composition and behavior of microbes in the mammalian gut—and perhaps influence human biology.
Infographic: Trans-kingdom Interactions in the Gut
Catherine Offord | Feb 1, 2021 | 1 min read
Phages interact with bacteria and eukaryotic cells in ways that researchers suspect influence mammalian health.
Staphylococcus aureus bacteria on the skin
The Scientist Speaks - Virulence Meets Metabolism: The Unique Evolution of Staphylococcus aureus
Niki Spahich, PhD | 1 min read
Anthony Richardson discusses what makes Staph especially dangerous for people with diabetes.
Artificial Intelligence Discovers Potent Antibiotic
Amy Schleunes | Feb 22, 2020 | 2 min read
Researchers used a machine-learning platform to test more than 100 million molecules for antibacterial activity.
Those We Lost in 2019
Ashley Yeager | Dec 30, 2019 | 6 min read
The scientific community said goodbye to Sydney Brenner, Paul Greengard, Patricia Bath, and a number of other leading researchers this year.
Salmonella living within macrophages can survive antibiotic treatment and potentially give rise to resistance by two different mechanisms that slow or arrest their growth.
Bacteria Go Dormant to Survive Antibiotics and Restart Infections
Niki Spahich, PhD | 3 min read
In Salmonella, two seemingly similar antibiotic survival strategies result from very different molecular mechanisms.
antibiotics antibiotics resistance persister bacteria bacteriophage
Opinion: We Need More than New Antibiotics to Fight Resistance
Neil S. Greenspan and Arturo Casadevall | Nov 1, 2019 | 3 min read
Metabolic disrupters, phages, and other approaches are going to be needed to treat the broadest possible range of patients infected by bacterial pathogens resistant to multiple drugs.
Trump Administration Drops Two Advisory Boards on Environment
Emily Makowski | Oct 2, 2019 | 2 min read
Two panels devoted to reviewing/recommending policy on marine protected areas and invasive species were eliminated.
Researchers use bacterial whole genome sequencing to compare the phylogenetic relationship between environmental and clinical samples.
Aquatic Bacteria Reveal a Common Genetic Link to a Deadly Human Pathogen
Iris Kulbatski, PhD | 5 min read
Researchers use genetic clues to track the spread of antibiotic resistant bacteria from the environment to patients.
Image of the Day: Mother Machine
Emily Makowski | Sep 20, 2019 | 1 min read
Bacteria grow and divide in microfluidic channels.
researcher stuart levy scientist physician tufts antibiotic resistance
Stuart Levy, Antibiotic Resistance Researcher, Dies
Emily Makowski | Sep 11, 2019 | 2 min read
The Tufts University biologist and physician sounded the alarm on the effects of antibiotic use in animals.
Researchers target E. coli in the mouse gut
Modifying the Microbiome In Vivo, One Species or Gene at a Time
Niki Spahich, PhD | 4 min read
To manipulate the microbiome, researchers engineered a CRISPR delivery system that precisely targets bacteria in the mouse gut.
Trial in Africa Probes Antibiotic’s Effects on Child Mortality
Abby Olena | Aug 14, 2019 | 3 min read
In Niger, fewer kids die when health workers administer azithromycin routinely, perhaps because of a shift in the composition of gut microbes.
fecal matter transplant FDA suspend halt clinical trials patient dies died antibiotic resistance drug resistant
FDA Suspends Clinical Trials Involving Fecal Transplants
Chia-Yi Hou | Jun 14, 2019 | 1 min read
The agency issued a safety warning after two patients contracted antibiotic-resistant infections and one of the patients died.
Learn About the Latest Innovations That Support Microbiology Research
Illuminating Hidden Microbial Mysteries
The Scientist Creative Services Team and Tecan | 1 min read
Accelerating innovation one wavelength at a time
e coli tetracycline TetA antibiotic resistance efflux pump
How Bacteria Become Drug-Resistant While Exposed to Antibiotics
Katarina Zimmer | May 23, 2019 | 4 min read
A membrane pump found in most bacteria helps E. coli acquire drug resistance from neighboring cells even while they’re exposed to antibiotics, a new study shows.
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