News tagged with chromatin

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Singapore scientists describe novel method for 3-D whole genome mapping research

Medicine & Health / Genetics

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

In this week's Nature, Genome Institute of Singapore (GIS) scientists report a technological advance in the study of gene expression and regulation in the genome's three-dimensional folding and looping state through the de ...


Aurora B answers an XIST-ential question

Aurora B answers an XIST-ential question

Biology / Cell & Microbiology

created Aug 24, 2009 | popularity not rated yet | comments 0

Early in development, mammalian female cells counteract their double dose of X chromosomes by coating one of them with a large RNA named XIST. The RNA binds to the same X chromosome from which it is transcribed ...


Scientists uncover function of potential cancer-causing gene product

Medicine & Health / Research

created Aug 09, 2009 | popularity not rated yet | comments 1

The Stowers Institute's Conaway Lab has uncovered a previously unknown function of a gene product called Amplified in Liver Cancer 1 (Alc1), which may play a role in the onset of cancer. The work was published yesterday by ...


UC San Diego engineer provides insights to decades-old DNA squabble

UCSD Engineer Provides Insights to Decades-Old DNA Squabble

Chemistry / Biochemistry

created Jul 31, 2009 | popularity 3.7 / 5 (3) | comments 0

(PhysOrg.com) -- A group of nanoengineers, biologists and physicists have used innovative approaches to deduce the internal structure of chromatin, a key player in DNA regulation, to reconcile a longstanding ...


BRIT1 allows DNA repair teams access to damaged sites

Biology / Cell & Microbiology

created Jun 19, 2009 | popularity 5 / 5 (2) | comments 0

Like a mechanic popping the hood of a car to get at a faulty engine, a tumor-suppressing protein allows cellular repair mechanisms to pounce on damaged DNA by overcoming a barrier to DNA access.


Good fences make good neighbors

Good fences make good neighbors

Medicine & Health / Cancer

created May 14, 2009 | popularity 5 / 5 (1) | comments 0

Our genome is a patchwork of neighborhoods that couldn't be more different: Some areas are hustling and bustling with gene activity, while others are sparsely populated and in perpetual lock-down. Breaking ...


SUMO protein guides chromatin remodeler to suppress genes

Medicine & Health / Research

created Apr 27, 2009 | popularity not rated yet | comments 0

In an in vitro study, led by Grace Gill, PhD, Tufts University School of Medicine, researchers discovered how a protein called SUMO (Small Ubiquitin-related Modifier) guides an enzyme complex that alters the structure of ...


Protein complex shown to play pivotal role in stem cell development in 2 Stanford studies

Medicine & Health / Research

created Mar 02, 2009 | popularity not rated yet | comments 0

Scientists at the Stanford University School of Medicine have identified a protein complex important in controlling whether embryonic stem cells retain their ability to become any cell in the body — a quality called pluripotency ...


Tracking the molecular pathway to mixed-lineage leukemia

Medicine & Health / Genetics

created Dec 15, 2008 | popularity 5 / 5 (1) | comments 0

Infants and adults with the blood cancer mixed-lineage leukemia (MLL) typically have a poor prognosis, and most infants die before their first birthdays. Although there are varying causes of MLL, most cases are caused by ...