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 ...
Jun 18, 2013
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An Ohio State University researcher and his collaborators have discovered a chemical that causes "kidney" failure in mosquitoes, which may pave the way to the development of new insecticides to fight deadly mosquito-transmitted ...
May 29, 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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The Ebola virus is among the deadliest viruses on the planet, killing up to 90% of those infected, and there are no approved vaccines or effective therapies. A study published by Cell Press on May 7th in ...
May 07, 2013
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Among eukaryotes with modified nuclear genetic codes, viruses are unknown. Until now it had been believed that the modifications to the genetic code effectively prevented new viral infections. However, researchers have now ...
Mar 05, 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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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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When humans have parasites, the organisms live in our bodies, co-opt our resources and cause disease. However, it turns out that parasites themselves can have their own co-habitants.
Nov 07, 2012
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Bacteria can talk to each other via molecules they themselves produce. The phenomenon is called quorum sensing, and is important when an infection propagates. Now, researchers at Linköping University in Sweden are showing ...
Nov 06, 2012
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ETH Zurich researchers demonstrate how vaccinia virus manipulates the cellular waste-disposal system and thereby cleverly tricks the cell into assisting the intruders replication. Now, the virologists have ...
Oct 19, 2012
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As restaurant patrons' diverse food preferences give rise to varied menu offerings, so plant-eating insects' preferences play an important role in maintaining and shaping the genetic variation of their host ...
Oct 04, 2012
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Scientists from The Scripps Research Institute and Sea Lane Biotechnologies have solved the co-crystal structure of a human antibody that can neutralize influenza viruses in a unique way. The antibody recognizes ...
Sep 16, 2012
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