Pathogenic Salmonella injects effector proteins into the cells of the gastrointestinal tract to penetrate and multiply within ...

A chemical radar allows bacteria to sense and eliminate predators. Investigating how microorganisms communicate deepens our ...

Scientists have discovered how a diarrhea-causing strain of bacteria uses 'molecular scissors' to cut open and destroy gut cells, leading to severe illness and sometimes death.

Inspired by sea sponges, researchers created living micro-lenses from bacteria that may improve medical and industrial ...

Drug-resistant bacteria are one of the most urgent threats in modern medicine. But scientists are looking to oysters for help ...

When subjected to physical pressure, archaea - ancient single-celled organisms - form multicellular structures.

Archaea—one of the three primary domains of life alongside bacteria and eukaryotes—are often overlooked and sometimes ...

Scientists have solved the 3D structure of EspC, a powerful toxin produced by EPEC, a diarrheal E. coli strain that kills ...

Researchers at Penn recently discovered antibiotics derived from the secretions of frogs that can effectively kill bacteria ...

Tiny magnetic bacteria that live in tightly bound groups are showing scientists how life might have evolved complex, multicellular forms. These rare bacteria can’t survive alone – they depend on one ...

Our bodies are replete with bacteria and other microorganisms that coexist without harming us, but we do occasionally suffer ...