Genetics

Mysterious DNA modification seen in stress response

With advances in genomics, scientists are discovering additional components of the DNA alphabet in animals. Do these unusual chemical modifications of DNA have a special meaning, or are they just signs that cellular machines ...

Genetics

Why bad genes don't always lead to bad diseases

That two people with the same disease-causing mutation do not get sick to the same extent has been puzzling scientists for decades. Now Professor Andy Fraser and his team have uncovered a key part of what makes every patient ...

Medical research

Sunlight continues to damage skin in the dark

Much of the damage that ultraviolet radiation (UV) does to skin occurs hours after sun exposure, a team of Yale-led researchers concluded in a study that was published online Feb. 19 by the journal Science.

Alzheimer's disease & dementia

Deciphering the DNA of Alzheimer's patients

(HealthDay)—Data that details every gene in the DNA of 410 people with Alzheimer's disease can now be studied by researchers, the U.S. National Institutes of Health announced this week.

Genetics

Will a genetic mutation cause trouble? Ask Spliceman

In a brief paper in the journal Bioinformatics, Brown University researchers describe a new, freely available Web-based program called Spliceman for predicting whether genetic mutations are likely to disrupt the splicing ...