The tiny difference in the genes of bacteria

Every year, diarrhea causes around five million fatalities worldwide. Most people die due to pathogenic microorganisms, such as bacteria or viruses, which were ingested into the gastro-intestinal tract through contaminated ...

Growing biofilms actively alter host environment, study reveals

Dental plaque, gut bacteria and the slippery sheen on river rocks are all examples of biofilms, organized communities of microorganisms that colonize our bodies and the world around us. A recent study led by Penn State researchers ...

Biologists determine bacteria sense damage to relatives

Carnegie Mellon University biologists have discovered that Vibrio cholerae, the bacteria behind the cholera disease, can sense when its relatives die. Bacterial cell death is often accompanied by lysis, where the cell explodes, ...

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