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MicroRNAs have shaped the evolution of the majority of mammalian genes

hes Medical Institute investigator and MIT professor of biology. "They appear to be helping cells achieve optimal levels of proteins."

"MicroRNAs are leaving an evolutionary footprint on the majority of the mammalian genome," says Grimson. "Some genes are trying to preserve beneficial microRNA sites and others are evolving in order to avoid developing harmful ones."


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Source:Whitehead Institute for Biomedical Research


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