This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Science, Indiana University biologist Michael Lynch and his colleagues peek at the base substitution mutation rate in Paramecium tetraurelia, a freshwater ciliate. From genome sequence data from seven so-called "mutation accumulation" lines, which had been started with individual cells and grown for thousands of generations, the team saw pronounced genome stability in P. tetraurelia.

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The New York City medical examiner is overseeing an effort to identify missing persons using DNA, according to the Associated Press.

Nobel laureate Günter Blobel has died at 81, the New York Times reports.

In PNAS this week: mouse model of genetically induced emphysema, gene expression signatures of circulating melanoma cells, and more.

Technology Review reports that 2017 was the year of consumer genetic testing and that it could spur new analysis companies.