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BacterioFiles 239 - Familial Pheromones Fight faecalis

This episode: Gut bacteria kill their drug-resistant pathogenic cousins of the same species via pheromone signaling!

Just to let you know, I'm trying to finish up my dissertation and graduate in the next few months, so after episode 240, I will be putting the show on hold, at least for... Read More

TWiV 364: It's not SARS 2.0

Hosts: Vincent Racaniello Read More

Vitamin D deficiency may limit immune recovery in HIV-positive adults

Athens, Ga. - A University of Georgia researcher has found that low levels of vitamin D may limit the effectiveness of HIV treatment in adults. Read More

MWV 101 - Profiling the Poglianos (TWiM 115)

Host: Vincent Racaniello

Special guests: Kit Pogliano and Joe Pogliano

Vincent take This Week in Microbiology to th... Read More

Tardigrade genome sequencing reveals unprecedented horizontal gene transfer

Tardigrades are small animals (~1.5 mm in length) renowned for their ability to survive in many extreme environments. From wikipedia "...they can withstand temperatures from just above absolute zero to well above the boiling point of water (100 °C), pressures about six times greater than those ... Read More

U of T research sheds new light on mysterious fungus that has major health consequences

Researchers at the University of Toronto examined fungi in the mucus of patients with cystic fibrosis and discovered how one particularly cunning fungal species has evolved to defend itself against neighbouring bacteria. Read More

NIH-sponsored clinical trial of chikungunya vaccine opens

An experimental vaccine to protect against the mosquito-borne illness chikungunya is being tested in a Phase 2 trial sponsored by the National Institutes of Health. Results from an initial trial of the vaccine, which was developed by scientists at the NIH National Institute of Allergy and Infect... Read More


A gene that lets bacteria resist polymyxins—the last line of antibiotic defense we have left—has shown up in widespread bacteria samples from pigs and patients in south China, including strains with epidemic potential. Read More

Your Gut Bacteria May Be Controlling Your Appetite

Hear that little voice in your head telling you to skip a second slice of pumpkin pie? It might be coming not from your conscience, but from the masses of bacteria in your stomach.

Experiments in mice and rats suggest that certain microbes living in your body as part of the gut microbiome hav... Read More

Hepatitis C screening of prison inmates would benefit wider community, be cost-effective

The benefits of screening prison inmates for infection with the hepatitis C virus (HCV) and treating those who test positive for the infection would extend far beyond the prison population, according to projections made by investigators from Massachusetts General Hospital (MGH) and the Universit... Read More

Fungus causes emerging snake disease found in Eastern US

Washington, D.C.--November 17, 2015--Researchers working for the U.S. Geological Survey have identified the fungal culprit behind an often deadly skin infection in snakes in the eastern U.S. Published this week in mBio, an online open-access journal of the American Society for Microbiology, the ... Read More

Online definitions of

People increasingly get medical information online, so it's important for physicians to understand how antibiotic drugs are presented to the curious public. I've collected several definitions of "antibiotic" and "microorganism" to demonstrate how people might easily think colds and flu are treat... Read More

Pot of Gold found on an Agar Plate

My lucky day when I found a pot of gold while counting colonies. Found this gem while conducting biofilm research on environmental biofilms. The biofilm was taken from a rock in the nearby river. Read More

Finessing cocoa fermentation

Food microbiology, the most delicious of all microbiology fields, encompasses many subfields, one of which is fermentation processes. Lots of foodstuffs require microbial metabolic processing to change the chemical composition of food or drink – from fermenting ethanol in alcoholic beverages to ... Read More

Antibiotics Vs Human

The World Health Organization launched the first World Antibiotic Awareness week, and from November 16-22 2015 discussion centered on the emerging threat of antibiotic resistance. In this post, I will review the science behind antibiotic resistant-bacteria and how this phenomena is poised to imp... Read More
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