(PhysOrg.com) -- A major driving force of evolution comes from mistakes made by cells and how organisms cope with the consequences, University of Arizona biologists have found. Their discoveries offer lessons for creating ...
Evolution
Jan 24, 2011
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Researchers at the University of Exeter have developed a new approach to studying potentially deadly disease-causing bacteria which could help speed up the process of finding vaccines.
Cell & Microbiology
Dec 23, 2010
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Using fruit flies as a model to study embryo formation, scientists report in Nature Cell Biology that molecular breakdown of a protein called Bicoid is vital to normal head-to-tail patterning of the insect's offspring.
Cell & Microbiology
Dec 21, 2010
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You know when you're watching a pirated film downloaded from the Internet -- there's no mistaking the fuzzy footage, or the guy in the front row getting up for popcorn. Despite the poor quality, pirated video is a serious ...
Computer Sciences
Dec 21, 2010
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(PhysOrg.com) -- When cells are exposed to life-threatening stresses, they take quick action to save themselves. Among other defenses, they start manufacturing proteins that perform critical tasks such as repairing DNA.
Cell & Microbiology
Dec 17, 2010
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An international team of scientists, which includes researchers from Virginia Tech, has cracked the genetic code of a plant pathogen that causes downy mildew disease. Downy mildews are a widespread class of destructive diseases ...
Biotechnology
Dec 9, 2010
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Scientists have observed, for the first time, an intermediate stage in the chemical process that repairs DNA methylation damage and regulates many important biological functions that impact health conditions such as obesity, ...
Biochemistry
Nov 10, 2010
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The nature-nurture debate is a "giant step" closer to being resolved after scientists studying bees documented how environmental inputs can modify our genetic hardware. The researchers uncovered extensive molecular differences ...
Plants & Animals
Nov 2, 2010
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An ordinary-looking white flower from Japan may carry something quite extraordinary within its pale petals - the longest genome ever discovered.
Biotechnology
Oct 8, 2010
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A new paper published in the International Journal of Astrobiology is providing a unique account of the origin of forms in plant and animal body plans. The model is not based on genetic code or natural selection, and could ...
Space Exploration
Sep 27, 2010
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