Thursday, July 20, 2006


Study looks at RNA in plant, animal growth

A U.S. science team says its research is adding weight to the emerging idea that RNA partly determines the inherited characteristics of plants and animals.

Vicki Chandler and colleagues at the University of Arizona studied a phenomenon called paramutation - a form of non-mendelian inheritance in which one allele of a gene can heritably dampen the expression of another. They hunted gene called mop1, which is required for paramutation at the b1 locus in maize, and found it produces an enzyme that manufactures RNA.

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