This Week in PLoS

In PLoS Biology this week, collaborating researchers in Seattle and Japan investigate the role of PARP-1 in the repair of DNA lesions. Their study shows that PARP-1 deficiency results in a reduction in gene conversions and enhances repair of AID-induced lesions.

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The president of France's National Research Agency has resigned, according to Nature News.

A senator wants a "right-to-try" provision in the US Food and Drug Administration funding bill, but an ethicist says at Stat News that it would undermine the role of clinical trials.

In PNAS this week: red algae Porphyra umbicalis genome, deep neural network model for sequencing peptides, and more.

The Guardian's Barbara Ellen has tried out some DNA testing services to see whether they provide valuable information.