Scientists have long known that bacteria come in many shapes and sizes, but understanding what those differences mean has remained a major challenge, especially for species that can't be grown in the ...

New study shows how bacteria adapted a virus-derived injection system to recognize and attach to many different types of ...

Weill Cornell Medicine investigators discovered that unique bacteria colonize the gut shortly after birth and make the neurotransmitter serotonin to educate gut immune cells. This prevents allergic ...