We often hear about bacteria, but what exactly are they? A bacterium is a living organism that consists of a single cell (unicellular). It has ...

The filamentous bacterium Corynebacterium matruchotii splitting into multiple cells at once, a rare kind of cell division called multiple fission. C. matruchotii is one of the most common bacteria ...

Doctors have long been warned to go easy on antibiotics and sulfa drugs. When used with routine frequency, such germ killers may defeat their own purpose by leading to ever more resistant germs. Now ...

New research examines how the bacteria Escherichia coli, or E. coli -- responsible for most UTIs -- is able to use host nutrients to reproduce at an extraordinarily rapid pace during infection despite ...

Endosymbiotic relationships—in which one organism lives within another—are striking examples of mutualism, and can often significantly shape the biology of the participant species. In new findings ...