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HHMI researcher Vivian Cheung led a study that looked at gene expression differences among people in response to exposure to radiation. In performing genetic linkage and association studies to map regulators of different gene expression phenotypes, the researchers found that for more than 1,200 of these, there was linkage to a specific chromosome region and that nearly all of the regulators are trans-acting. Their work was published in early online.

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President-elect Joe Biden has nominated Eric Lander to serve as director of the Office of Science and Technology Policy, the Associated Press says.

Nature News writes that scientists are trying to figure out how to name the new strains of SARS-CoV-2 that are emerging.

The New York Times reports that researchers are studying identical twins who had COVID-19 to understand the influence of genetics on disease severity.

In PNAS this week: epistasis affecting cystic fibrosis, Tiger rattlesnake genome gives venom insight, and more.