News tagged with microorganisms

With you in the room, bacteria counts spike

A person's mere presence in a room can add 37 million bacteria to the air every hour -- material largely left behind by previous occupants and stirred up from the floor -- according to new research by Yale University engineers.

Mar 28, 2012
4.4 / 5 (5) 4 | with audio podcast

Teamwork against mutant free riders

(Phys.org)—Pathogenic salmonellae rely on a division of labour: some of them see to the common wellbeing, while others are able to stand up to free rider salmonellae better. This teamwork bears certain ...

Feb 21, 2013
not rated yet 0 | with audio podcast

New bacterium forms intracellular minerals

A new species of photosynthetic bacterium has come to light: it is able to control the formation of minerals (calcium, magnesium, barium and strontium carbonates) within its own organism. Published in Science on Apr ...

May 11, 2012
5 / 5 (3) 0 | with audio podcast

Oxygen 'sensor' may shut down DNA transcription

(Phys.org) -- A key component found in an ancient anaerobic microorganism may serve as a sensor to detect potentially fatal oxygen, a University of Arkansas researcher and his colleagues have found. This helps ...

Jun 19, 2012
4.7 / 5 (3) 0 | with audio podcast