Tuesday, October 25, 2011

ScienceDaily: Biotechnology News

ScienceDaily: Biotechnology News

Stem rust-resistant wheat landraces identified

Posted: 24 Oct 2011 01:47 PM PDT

U.S. Department of Agriculture scientists have identified a number of stem rust-resistant wheat varieties and are retesting them to verify their resistance.

Study offers clues as to why some patients get infections from cardiac implants

Posted: 24 Oct 2011 12:34 PM PDT

New research suggests that some patients develop a potentially deadly blood infection from their implanted cardiac devices because bacterial cells in their bodies have gene mutations that allow them to stick to the devices. Patients with implants can develop infections because of a biofilm of persistent bacterial bugs on the surfaces of their devices.

Discovery illuminates elusive proton channel gene in dinoflagellates

Posted: 24 Oct 2011 10:30 AM PDT

A 40-year search for a gene that causes some one-celled sea creatures to flash at night and is also found in others that produce deadly red tides has successfully ended.

Gallium nitride is non-toxic, biocompatible; holds promise for implants, research finds

Posted: 24 Oct 2011 08:30 AM PDT

Researchers have shown that the semiconductor material gallium nitride is non-toxic and is compatible with human cells -- opening the door to the material's use in a variety of biomedical implant technologies.

Bio-engineered protein shows promise as new hemophilia therapy

Posted: 23 Oct 2011 10:57 AM PDT

A genetically engineered clotting factor that controlled hemophilia in an animal study offers a novel potential treatment for human hemophilia and a broad range of other bleeding problems. A research team took the naturally occurring coagulation factor Xa and engineered it into a variant that safely controlled bleeding in mouse models of hemophilia.
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