Biologists mapping the human microbiome expected to find new bacteria and viruses, not entities that slip through every familiar category of life. Yet that is what several research teams now say they ...

New research has uncovered an extraordinary mechanism of cell division in Corynebacterium matruchotii, one of the most common bacteria living in dental plaque. The filamentous bacterium doesn't just ...

Researchers studying mouth bacteria say blocking the chemical signals microbes use to “communicate” could help prevent gum disease while preserving the healthy bacteria the body needs.

Microorganisms seem to have found a home nearly everywhere on the planet, including the insides of animals. The skin, gastrointestinal tracts, lungs, and mouths of humans have been colonized by ...