News tagged with polymerases ii

Correcting a trick of the light brings molecules into view

Conventional wisdom holds that optical microscopy can't be used to "see" something as small as an individual molecule. But as it is wont, clever science has once again overturned conventional wisdom. Secretary ...

Nanotechnology / Nanophysics

created Jul 14, 2010 | popularity 5 / 5 (20) | comments 1 | with audio podcast

Gene transcribing machine takes halting, backsliding trip along the DNA

(PhysOrg.com) -- The body's nanomachines that read our genes don't run as smoothly as previously thought, according to a new study by University of California, Berkeley, scientists.

Chemistry / Biochemistry

created Jul 30, 2009 | popularity 5 / 5 (5) | comments 1

Study uncovers how DNA unfolds for transcription

(PhysOrg.com) -- The human genome contains some 3 billion base pairs that are tightly compacted into the nucleus of each cell. If a DNA strand were the thickness of a human hair, the entire human genome would ...

Biology / Cell & Microbiology

created Jan 17, 2012 | popularity 5 / 5 (4) | comments 5 | with audio podcast

Plant polymerases IV and V are special forms of Polymerase II

(PhysOrg.com) -- It's a little like finding out that Superman is actually Clark Kent. A team of biologists at Washington University in St. Louis has discovered that two vital cellular components, nuclear RNA ...

Biology /

created Jan 06, 2009 | popularity 5 / 5 (3) | comments 0

How the wrong genes are repressed

The mechanism by which 'polycomb' proteins critical for embyronic stem cell function and fate are targeted to DNA has been identified by UCL scientists.

Biology / Cell & Microbiology

created Jun 11, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Transcriptional elongation control takes on new dimensions

Life is complicated enough, so you can forgive the pioneers of DNA biology for glossing over transcriptional elongation control by RNA polymerase II, the quick and seemingly bulletproof penultimate step in ...

Biology / Cell & Microbiology

created Dec 22, 2011 | popularity 5 / 5 (1) | comments 0