This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, University of Miami researchers discuss different co-evolutionary signatures that can occur in insect hosts and their bacterial symbionts. The team focused on holobiont signatures arising from host-symbiont collaboration, acquisition, or constraint.

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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.