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The microbiologist was known for his work on bacterial antibiotic resistance and infectious disease.

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Researchers are beginning to uncover a link between activity level and the microbial makeup of one’s gut.

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Recolonizing middle-aged animals with bacteria from younger ones kept killifish alive longer than usual, researchers report.

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image: Human Gut Microbe Transplant Alters Mouse Behavior

Human Gut Microbe Transplant Alters Mouse Behavior

By Anna Azvolinsky | March 1, 2017

Fecal transplants from humans with irritable bowel syndrome and anxiety into mice lead to similar symptoms and anxiety-like behavior in the rodents, researchers report.  

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image: Fecal Transplant Pill Fails Trial

Fecal Transplant Pill Fails Trial

By Jef Akst | August 1, 2016

Seres Therapeutics’s microbiome-targeting therapy for recurrent Clostridium difficile infection fails a Phase 2 clinical trial.

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image: Stroke Alters Gut Microbiome, Impacting Recovery

Stroke Alters Gut Microbiome, Impacting Recovery

By Tanya Lewis | July 15, 2016

A bidirectional link between the brain and the gut can improve or worsen brain injury in mice, researchers report.

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image: Transplanted Fecal Microbes Stick Around

Transplanted Fecal Microbes Stick Around

By Tanya Lewis | April 28, 2016

Donor bacteria coexist with a recipient’s own for three months after a fecal transplant.

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image: Fecal Transplants Transmit Viruses, Too

Fecal Transplants Transmit Viruses, Too

By Catherine Offord | March 29, 2016

Fecal matter transplants may transfer nonpathogenic viruses along with beneficial bacteria, scientists show.

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image: Gut Microbiome After Weight-Loss Surgery

Gut Microbiome After Weight-Loss Surgery

By Amanda B. Keener | August 5, 2015

Gastric bypass surgery can have long-term effects on the composition of the gut microbiome, a small study shows.

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image: Microbes Fight Chronic Infection

Microbes Fight Chronic Infection

By Chris Palmer | October 22, 2014

Gut microbiome analysis reveals protective bacteria that enhance resistance to persistent Clostridium difficile infections.

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