In the gonads of animals, genome parasites such as transposons pose a serious threat to evolutionary fitness. With their ability to bounce around in the genome, they often cause dangerous mutations. To protect ...
Jun 04, 2013
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How does the bacterium Shigella—the cause of a deadly diarrheal disease—detect that it's in a human host? Ohio University scientists have found that a biological "RNA thermometer" monitors whether the environment is rig ...
May 21, 2013
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Even bacteria have a kind of "immune system" they use to defend themselves against unwanted intruders – in their case, viruses. Scientists at the Helmholtz Center for Infection Research (HZI) in Braunschweig, ...
Apr 30, 2013
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(Phys.org) —For the first time, an elusive step in the process of human DNA replication has been demystified by scientists at Penn State University. According to senior author Stephen J. Benkovic, an Evan ...
Apr 01, 2013
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Scientists at Mainz University develop a novel screening procedure for accurately determining the amount of animal, plant, and microbial substances in foods
Mar 27, 2013
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The genes activated for human speech are similar to the ones used by singing songbirds, new experiments suggest.
Feb 14, 2013
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(Phys.org)—A simple, precise and inexpensive method for cutting DNA to insert genes into human cells could transform genetic medicine, making routine what now are expensive, complicated and rare procedures ...
Jan 08, 2013
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For much of her professional life, Dr. Susan Rosenberg has studied the puzzling response of bacteria to stress and the mutations that result. In the current issue of the journal Science, she puts together the pieces of tha ...
Dec 06, 2012
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Are juicier, sweeter, more disease-resistant watermelons on the way? An international consortium of more than 60 scientists from the United States, China, and Europe has published the genome sequence of watermelon (Citrullus la ...
Nov 26, 2012
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Scientists have taken a step forward in helping to solve one of life's greatest mysteries – what makes us human?
Nov 14, 2012
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Scientists studying the genes and proteins of human cells infected with a common cold virus have identified a new gene identification technique that could increase the genetic information we hold on animals by around 70 to ...
Nov 11, 2012
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Biochemists at The Scripps Research Institute (TSRI) have discovered a genetic sequence that can alter its host gene's activity in response to cellular energy levels. The scientists have found this particular energy-sensing ...
Oct 21, 2012
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(Phys.org)—Iowa State University researchers are helping to advance new techniques that allow scientists to site-specifically mutate and edit the genes of living organisms.
Oct 01, 2012
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Johns Hopkins scientists report what is believed to be the first evidence that complex, reversible behavioral patterns in bees – and presumably other animals – are linked to reversible chemical tags on ...
Sep 16, 2012
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A number of environmental toxins pose considerable health threats to humans, and the heavy metal cadmium (Cd) ranks high on the list. Most of us are exposed to it through plant-derived foods such as grains and vegetables. ...
Sep 12, 2012
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