Small molecules of RNA (tens to hundreds of nucleotides in length) play a key regulatory role in bacteria. Due to their small size, directly measuring the number of small RNA (sRNA) present in a single bacterium ...
23 hours ago
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(Phys.org) —Salmonella is a major cause of human diarrhoeal infections and is frequently acquired from chickens, pigs and cattle, or their products. Around 94 million such infections occur in people worldwide ...
Apr 22, 2013
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Rice University researchers have found a way to divide and modify enzymes to create what amounts to a genetic logic gate.
Mar 14, 2013
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Gene wars rage inside our cells, with invading DNA regularly threatening to subvert our human blueprint. Now, building on Nobel-Prize-winning findings, UC San Francisco researchers have discovered a molecular machine that ...
Feb 14, 2013
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An international research consortium, led by Fujian Agriculture, Forestry University (FAFU) and BGI, has completed the first genome sequence of the diamondback moth (DBM), the most destructive pest of brassica crops. This w ...
Jan 13, 2013
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Much of the DNA that makes up our genomes can be traced back to strange rogue sequences known as transposable elements, or jumping genes, which are largely idle in mammals. But Johns Hopkins researchers report they have identified ...
Jan 03, 2013
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Current thinking on how the Toxoplasma gondii parasite invades its host is incorrect, according to a study published today in Nature Methods describing a new technique to knock out genes. The findings coul ...
Dec 23, 2012
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Long ago, when life on our planet was in its infancy, a group of small single-celled algae floating in the vast prehistoric ocean swam freely by beating whip-like tails, called flagella. It's a relatively unremarkable tale, ...
Dec 11, 2012
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(Phys.org)—As the cold and flu season makes its annual visit, a team of researchers, using Argonne's Advanced Photon Source, continue to complete a detailed map of the human adenovirus—one of several ...
Oct 22, 2012
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Around 71 per cent of the Earth's surface is made up of salt-water oceans - that's 98 per cent of all water. The ecosystems that exist beneath their surface are diverse and vibrant. Their sheer scale, however, ...
Oct 15, 2012
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Scientists have discovered an unusual symbiosis between tiny single-celled algae and highly specialized bacteria. Their partnership plays an important role in marine ecosystems, fertilizing the oceans by taking nitrogen from ...
Sep 20, 2012
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(Phys.org)—Researchers Patricia A. Champion and Matthew Champion from the University of Notre Dame's Eck Institute for Global Health have developed a method to directly detect bacterial protein secretion, ...
Sep 18, 2012
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Researchers at Montana State University have found a method for creating more robust, temperature-tolerant enzymes that can be used as tools in the process of genetic manipulation.
Sep 07, 2012
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When an invading bacterium or virus starts rummaging through the contents of a cell nucleus, using proteins like tiny hands to rearrange the host's DNA strands, it can alter the host's biological course. The invading proteins ...
Aug 30, 2012
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