News tagged with stress conditions
Using game theory to understand the physics of cancer propagation
In search of a different perspective on the physics of cancer, Princeton University and University of California, San Francisco researchers teamed up to use game theory to look for simplicity within the complexity of the ...
Mar 27, 2012 |
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Chikyu to set sail for IODP expedition: Japan trench fast drilling project
The Deep-Sea Scientific Drilling Vessel Chikyu, operated by the Japan Agency for Marine-Earth Science and Technology (JAMSTEC), will embark on Integrated Ocean Drilling Program (IODP) Expedition 343 Japan ...
Space & Earth / Earth Sciences
Mar 09, 2012 |
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A new tool for mapping water use and drought
Farmers and water managers may soon have an online tool to help them assess drought and irrigation impacts on water use and crop development, thanks to the work of two U.S. Department of Agriculture (USDA) ...
Feb 08, 2012 |
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Stress-induced genomic instability facilitates rapid cellular adaption in yeast
Cells trying to keep pace with constantly changing environmental conditions need to strike a fine balance between maintaining their genomic integrity and allowing enough genetic flexibility to adapt to inhospitable conditions. ...
Jan 29, 2012 |
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Researchers discover a compound that controls Listeria
In a year when cantaloupe tainted with the bacterium Listeria monocytogenes killed 30 people, the discovery of a compound that controls this deadly bacteria -- and possibly others -- is great news.
Jan 04, 2012 |
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Researchers discover molecular machinery for bacterial cell death
Researchers at the Hebrew University of Jerusalem and the University of Vienna have revealed for the first time a stress-induced machinery of protein synthesis that is involved in bringing about cell death in bacteria.
Nov 30, 2011 |
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Insects are scared to death of fish
The mere presence of a predator causes enough stress to kill a dragonfly, even when the predator cannot actually get at its prey to eat it, say biologists at the University of Toronto.
Oct 27, 2011 |
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New technique elucidates dynamics of plant cell metabolites
A new technique developed by researchers at RIKEN has clarified the location and dynamics of specific metabolites in a single cell of the alga Chara australis. The findings reveal that these metabolites are re ...
Sep 13, 2011 |
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A new transporter gene that regulates plant transpiration
When plants feel stress from a lack of water, they close their epidermal pores, or stomata, to prevent water loss via transpiration. Each stoma is flanked by a pair of guard cells, which change shape to close or open stomata ...
Sep 09, 2011 |
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Limited iron availability shown to exacerbate coral bleaching
(PhysOrg.com) -- It is widely held that coral bleaching occurs when temperatures and solar radiation are high, overwhelming antioxidant defenses in the algal endosymbionts and their coral hosts. Little understood ...
Aug 26, 2011 |
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Weather conditions could results in cattle heat stress
Cattle producers should be aware that forecasted weather conditions could result in significant heat stress issues in cattle. The US Meat Animal Research Center predicts danger or emergency conditions through most of South ...
Jul 19, 2011 |
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Soldiers who avoid distressing images more at risk for PTSD
(PhysOrg.com) -- When presented with images of faces depicting various emotional states, people who look briefly at fearful expressions are more vulnerable to Post Traumatic Stress Disorder (PTSD) than those who look at the ...
Medicine & Health / Psychology & Psychiatry
Apr 05, 2011 |
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Noise distracts fish from their dinner
Using underwater speakers to play noise at levels similar to those produced by recreational speedboats, the researchers found that three-spined sticklebacks exposed to even brief noise playback made more foraging mistakes ...
Feb 28, 2011 |
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Understanding diabetes at the molecular level
United States and Japanese researchers have identified a key step in metabolic pathways linked to diabetes and cancer. The study on activation of the protein complex TORC 2 was published online in the journal Current Biology Oct. 2 ...
Medicine & Health / Medical research
Nov 05, 2010 |
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Fly stem cells on diet: Scientists discovered how stem cells respond to nutrient availability
A study by researchers at the Salk Institute for Biological Studies revealed that stem cells can sense a decrease in available nutrients and respond by retaining only a small pool of active stem cells for ...
Nov 04, 2010 |
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