This Week in PNAS

In the early edition of the Proceedings of the National Academy of Sciences, a Massachusetts General Hospital- and Broad Institute-led team take a look at autism spectrum disorder symptoms and severity in relation to inherited and de novo risk variants in affected individuals. The researchers considered 2,000 ASD cases for the study, focusing on individuals with no affected siblings.

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US News & World Report writes that genetic testing of lung tumors can help identify treatments for patients.

A team of researchers plans to sample Loch Ness for environmental DNA, according to Newsweek.

The New York Times writes about the appearance of mosaicism in healthy people.

In PNAS this week: insecticide resistance patterns Anopheles gambiae mosquito, transcriptome patterns in Pseudomonas aeruginosa during infection, and more.