Howard Hughes Medical Institute

Missing DNA helps make us human

A new study demonstrates that specific traits that distinguish humans from their closest living relatives – chimpanzees, with whom we share 96 percent of our DNA – can be attributed to the loss of chunks of DNA ...

Mar 09, 2011
4.6 / 5 (18) 5 | with audio podcast

Transcription runs like clockwork

(Phys.org)—It's not just a few key genes and proteins that cycle on and off in humans in a 24-hour circadian pattern as the sun rises and falls. Thousands of genes in organs throughout the body show predictable daily fluctuations, ...

Sep 03, 2012
5 / 5 (2) 0 | with audio podcast

Axons' unexpected cytoskeleton structure

(Phys.org)—The plasma membranes that give cells their shapes are typically upheld by linear meshworks of the protein actin. In contrast, Howard Hughes Medical Institute scientists have now discovered that ...

Jan 28, 2013
5 / 5 (3) 0 | with audio podcast