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Latest Irina Artsimovitch Stories

2012-07-20 01:50:16

New research has shown that a protein does something that scientists once thought impossible: It unfolds itself and refolds into a completely new shape. This protein, called RfaH, activates genes that allow bacterial cells to launch a successful attack on their host, causing disease. The researchers determined that RfaH starts out in its alpha form, composed of two spiral shapes. Later, in its beta form, it resembles spokes on a wheel and is called a barrel. When RfaH refolds, it...

2005-08-11 19:40:00

COLUMBUS, Ohio "“ Researchers have uncovered how members of one family of antibiotics kill bacteria that make people sick. This new knowledge may help drug developers make slight changes to these antibiotics to make them more effective against drug-resistant strains of bacteria, said Irina Artsimovitch, a study co-author and an assistant professor of microbiology at Ohio State University. The antibiotics studied belong to the rifamycin family. Until now, researchers believed that these...


Word of the Day
caparison
  • A cloth or covering, more or less ornamented, laid over the saddle or furniture of a horse, especially of a sumpter-horse or horse of state.
  • Clothing, especially sumptuous clothing; equipment; outfit.
  • To cover with a caparison, as a horse.
  • To dress sumptuously; adorn with rich dress.
This word ultimately comes from the Medieval Latin 'cappa,' cloak.
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