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Newly explored bacteria reveal some huge RNA surprises
Published on Monday, 7 December 2009 17:00 from ScienceDaily
Researchers have found very large RNA structures within previously unstudied bacteria that appear crucial to basic biological functions such as helping viruses infect cells or allowing genes to "jump" to different parts of the chromosome.
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Human guinea pigs wary of high-paying medical trials
Published on Monday, 7 December 2009 17:00 from ScienceDaily
New research shows that people equate large payments for participation in medical research with increased levels of risk. And when they perceive studies to be risky, they spend more time learning about the risks and nature of the study. Paper published this month in Social Science and Medicine suggests there is a "mismatch" between current research guidelines for setting compensation levels and the assumptions participants make about the levels of pay and risk.
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Stopping MRSA before it becomes dangerous is possible
Published on Monday, 7 December 2009 14:00 from ScienceDaily
Most scientists believe that staph infections are caused by many bacterial cells that signal each other to emit toxins. The signaling process is called quorum sensing because many bacteria must be present to start the process. But scientists have now determined that the very first stage of staph infection, when bacteria switch from a harmless to a virulent form, occurs in a single cell and that this individual process can be stopped by the application of a simple protein.
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Better way for computers to 'see' combines molecular biology and gaming...
Published on Monday, 7 December 2009 11:00 from ScienceDaily
Combining screening techniques from molecular biology with high-performance gaming hardware advances the building and understanding of visual systems.
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Cardiovascular risk in youth with type 1 diabetes linked primarily to insulin...
Published on Monday, 7 December 2009 11:00 from ScienceDaily
Youth with type 1 diabetes have now been found to have abnormal insulin resistance. Having abnormal insulin resistance appears to negatively affect heart, blood vessel and exercise function in this population.
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Light shed on mechanism of action of 'date rape drug'
Published on Monday, 7 December 2009 08:00 from ScienceDaily
Scientists have discovered two new metabolic pathways by which products of lipid peroxidation and some drugs of abuse, known as 4-hydroxyacids, are metabolized. The pathways were identified by a combination of metabolomics and mass isotopomer analysis. The findings shed new light on the mechanism of action of the drug of abuse gamma-hydroxybutyrate, also known as "the date rape drug."
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