News tagged with microorganisms

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

Seeking signs of life at the glacier's edge

Microbes living at the edges of Arctic ice sheets could help researchers pinpoint evidence for similar microorganisms that could have evolved on Mars, the Jovian moon Europa, or Saturn's moon Enceladus.

May 17, 2012
not rated yet 0 | with audio podcast

Plant perfumes woo beneficial bugs

Scientists funded by the Biotechnology and Biological Sciences Research Council (BBSRC) have discovered that maize crops emit chemical signals which attract growth-promoting microbes to live amongst their roots. This is the ...

Apr 24, 2012
5 / 5 (1) 0 | with audio podcast

Quality-control mechanism found in bacteria

(Phys.org) -- Like quality-control managers in factories, bacteria possess built-in machinery that track the shape and quality of proteins trying to pass through their cytoplasmic membranes, Cornell biomolecular engineers ...

Aug 03, 2012
5 / 5 (1) 0 | with audio podcast

Scientists 'hijack' bacterial immune system

The knowledge that bacteria possess adaptable immune systems that protect them from individual viruses and other foreign invaders is relatively new to science, and researchers across the globe are working to learn how these ...

Jan 05, 2012
5 / 5 (3) 0 | with audio podcast