News tagged with rna viruses

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Scientists resurrect 700-year-old viruses

(Phys.org) —Eric Delwart of the Blood Systems Research Institute in San Francisco and colleagues have found two 700-year-old viral sequences in frozen caribou dung in an arctic ice patch. The researchers ...

Oct 28, 2014 report
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Viral switches share a shape

A hinge in the RNA genome of the virus that causes hepatitis C works like a switch that can be flipped to prevent it from replicating in infected cells. Scientists have discovered that this shape is shared by several other ...

Oct 27, 2014
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Plants can 'switch off' virus DNA

A team of virologists and plant geneticists at Wageningen UR has demonstrated that when tomato plants contain Ty-1 resistance to the important Tomato yellow leaf curl virus (TYLCV), parts of the virus DNA ...

Aug 22, 2014
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Virus rounds up enzymes, disarms plant

University of Tokyo researchers have described how a plant-virus protein suppresses an important plant defense mechanism that remembers viral genetic information, providing a new target for developing the ...

Jun 02, 2014
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Pathogenic plant virus jumps to honeybees

A viral pathogen that typically infects plants has been found in honeybees and could help explain their decline. Researchers working in the U.S. and Beijing, China report their findings in mBio, the online ...

Jan 21, 2014
4.9 / 5 (16) 0 | with audio podcast