Plasmids and the spread of antibiotic resistance genes

Though the harnessing of antibiotics is one of the most significant human innovations, their efficacy is continuously eroded by the craftiness of their microbial targets. Once a single bacterium mutates to become resistant ...

Lemur gut isn't one ecosystem, it's many

A jungle. A rainforest. A wetland. A wilderness. Researchers have used various metaphors to describe the complex, interconnected community of microbes (most of them bacteria) living inside your body, and all over it too.

Study identifies gut bacteria that regulate cholesterol

Certain species of bacteria in the gut interact with and help balance levels of dietary cholesterol by using it to create a molecule that plays important roles in human health, according to a study published August 18 in ...