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News tagged with heat shock

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

A chaperone for the 'guardian of the genome'

The protein p53 plays an essential role in the prevention of cancer by initiating the controlled death of a cell with damaged genes which is in danger to transform into a cancerous cell. The heat shock protein Hsp90, in turn, ...

Biology / Biotechnology

created Sep 07, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

New way to fight drug-resistant fungal infections discovered

(PhysOrg.com) -- The secret to fighting often lethal drug resistant fungal infections is to knock out the bug's molecular chaperone, according to U of T researchers.

Biology / Cell & Microbiology

created Jul 31, 2009 | popularity 4 / 5 (2) | comments 0

Weightlessness weighs heavy on genes -- a fly's perspective

On Earth all biology is subjected to gravity. Some biological systems require gravity for correct orientation (geotropism: plants grow up, roots grow down). In the absence of gravity even human biology is affected: astronauts ...

Biology / Biotechnology

created Jan 31, 2012 | popularity 3.5 / 5 (2) | comments 0

New biosensor for most serious form of Listeria food poisoning bacteria

(PhysOrg.com) -- Scientists in Indiana are reporting development of a new biosensor for use in a faster, more sensitive test for detecting the deadliest strain of Listeria food poisoning bacteria. That microbe ...

Chemistry / Analytical Chemistry

created Apr 23, 2009 | popularity 5 / 5 (1) | comments 0

Protein handlers should be effective treatment target for cancer and Alzheimer's

Cancer and Alzheimer's have excess protein in common and scientists say learning more about how proteins are made and eliminated will lead to better treatment for both.

Medicine & Health / Medical research

created Aug 06, 2009 | popularity 5 / 5 (1) | comments 0

Inhibitor of Heat Shock Protein is a Potential Anticancer Drug, Study Finds

(PhysOrg.com) -- Like yoga for office drones, cells do have coping strategies for stress. Heat, lack of nutrients, oxygen radicals - all can wreak havoc on the delicate internal components of a cell, potentially ...

Medicine & Health / Cancer

created Oct 29, 2009 | popularity 5 / 5 (1) | comments 0

Stress protein Hsp12 provides a cellular survival mechanism never seen before

Despite clear evidence that Hsp12 -- a so-called heat shock or stress protein -- helps cells survive life-threatening conditions, how it works was an open question until now. The surprising answer is revealed ...

Biology / Cell & Microbiology

created Aug 26, 2010 | popularity 5 / 5 (1) | comments 0

Researchers study Terahertz radiation's impact on cellular function and gene expression

Terahertz (THz) technologies show promise for myriad medical, military, security, and research applications ranging from the detection of cancer to airport security systems to shipment inspection to spectroscopy. Relatively ...

Physics / Optics & Photonics

created Sep 13, 2011 | popularity 5 / 5 (1) | comments 0

Recent advance in detonation theory

A detonation wave is a chemical reaction wave propagating at the velocity of a shock wave along the explosive charge. There is great demand for a detonation model that can accurately simulate the detonation process, which ...

Chemistry / Other

created Nov 18, 2011 | popularity 5 / 5 (1) | comments 3

Structure of protective protein in the eye lens revealed

The human eye lens consists of a highly concentrated mix of several proteins. Protective proteins prevent these proteins from aggregating and clumping. If this protective function fails, the lens blurs and ...

Biology / Cell & Microbiology

created Jul 31, 2009 | popularity 4 / 5 (1) | comments 0

Listeria clever at finding its way into bloodstream, causing sickness

Pathogenic listeria tricks intestinal cells into helping it pass through those cells to make people ill, and, if that doesn't work, the bacteria simply goes around the cells, according to a Purdue University ...

Medicine & Health / Medical research

created Oct 25, 2010 | popularity 4 / 5 (1) | comments 0 | with audio podcast