The cell wall provides structural support and protection, while the capsule, found in some bacteria, plays a crucial role in resisting host immune attacks, adaptation to new niches and pathogenesis.

and he observed that these bacteria had the smooth capsules characteristic of the S strain. Based on these observations, Griffith hypothesized that a chemical component from the virulent S cells ...

While studying white blood cells, Miescher isolated ... scientists knew that some types of these bacteria (called "S type") had an outer layer called a capsule, but other types (called "R type ...

Batches of antibiotic medication are being recalled from suppliers after they were found to contain an extra tablet.

Scientists at Caltech and Princeton University have discovered that bacterial cells growing in a solution of polymers, such as mucus, form long cables that buckle and twist on each other ...

A supercapacitor made from sargassum seaweed nanofibers powers medical devices inside the body, kills bacteria, and naturally ...