News tagged with epigenetic changes

Nanofluidics sorts DNA for cancer research

(Phys.org) -- Cornell nanotechnology researchers have devised a new tool to study epigenetic changes in DNA that can cause cancer and other diseases: a nanoscale fluidic device that sorts and collects DNA, ...

Nanotechnology / Bio & Medicine

created May 24, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Ancient DNA holds clues to climate change adaptation

(PhysOrg.com) -- Thirty-thousand-year-old bison bones discovered in permafrost at a Canadian goldmine are helping scientists unravel the mystery about how animals adapt to rapid environmental change.

Biology / Plants & Animals

created Jan 31, 2012 | popularity not rated yet | comments 0 | with audio podcast

Epigenetic changes don't last

Jean-Baptiste Lamarck would have been delighted: geneticists no longer dismiss out of hand his belief that acquired traits can be passed on to offspring. When Darwin published his book on evolution, Lamarck's ...

Biology / Evolution

created Sep 20, 2011 | popularity 5 / 5 (4) | comments 2 | with audio podcast

Speeding up evolution: Orchid epigenetics

Organisms adapt to their dynamic environment using various strategies. Ovidiu Paun, working at the Department of Systematic and Evolutionary Botany, investigates how marsh orchids adjust to and diffuse in ...

Biology / Plants & Animals

created Jul 28, 2011 | popularity not rated yet | comments 0 | with audio podcast

Adult stem cells carry their own baggage: Epigenetics guides stem cell fate

Adult stem cells and progenitor cells may not come with a clean genetic slate after all. That's because a new report in the FASEB Journal shows that adult stem or progenitor cells have their own unique "epigenetic signat ...

Biology / Cell & Microbiology

created Jun 30, 2011 | popularity 5 / 5 (1) | comments 0

Silenced genes as a warning sign of blood cancer

In many types of cancer, parts of the genetic material of tumor cells are switched off by chemical labels called methyl groups. This kind of methyl labeling ranges among the epigenetic changes that do not change the sequence ...

Medicine & Health / Cancer

created Aug 04, 2009 | popularity not rated yet | comments 0