Whitehead Institute researchers have determined that the transcription factor Nanog, which plays a critical role in the self-renewal of embryonic stem cells, is expressed in a manner similar to other pluripotency markers. ...
Cell & Microbiology
Jul 3, 2013
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Individuals of a particular species generally differ from one another. We are clearly most adept at recognizing members of our own species, although dog and cat owners will be ready to confirm that their pets look unique. ...
Biotechnology
Jun 11, 2013
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(Phys.org) —Olfactory sensory neurons – nerve cells in the nose – directly sense molecules that convey scent, then send the signals to the brain. Biologists have long wondered how it's possible for each nerve cell to ...
Cell & Microbiology
Mar 5, 2013
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Magellanic penguins have a high level of variation in genes associated with the ability to fight infectious disease, but a recent study found that the mechanism the penguins use to ensure that diversity is far from black ...
Plants & Animals
Sep 5, 2012
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Researchers have taken a first look at the broad genetic changes that accompany reproductive declines in inbred populations. Although scientists have known for more than a century that small populations of closely related ...
Ecology
Mar 12, 2009
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