Brightsurf Science News & Current Events

April 16, 2006
Chronic exposure to stress hormone causes anxious behavior in mice: can lead to mood disorders
Neuroscientists at Harvard Medical School and its affiliate Mclean Hospital have shown that long-term exposure to stress hormone in mice directly results in the anxiety that often comes with depression.

In the May 1 issue of G&D, Dr. Leonard Guarente (MIT) and colleagues provide the first functional characterization of a mammalian sirtuin protein other than SIRT1.

Quorum sensing in yeast
Drs. Hao Chen and Gerald Fink (MIT) have discovered a novel quorum-sensing pathway in S. cerevisiae.

Novel nuclear function of clathrin
In an upcoming G&D paper, Dr. Yoichi Taya (National Cancer Center Research Institute, Japan) and colleagues report on a novel nuclear role for the clathrin heavy chain protein as a p53-dependent transcriptional cofactor. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to