This Week in PNAS

In PNAS this week, researchers at Stanford's School of Medicine elucidate the roles of Gqα signaling in C. elegans' regulation of immunity, oxidative stress, and longevity. A signaling module formed by Gqα and its downstream signal transducer phospholipase C β can affect these processes, the authors say. As a result of losing its Gqα and PLCβ functions, C. elegans becomes increasingly sensitive to pathogens and oxidative stress.

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Magdalena Skipper, the incoming editor-in-chief of Nature, speaks with NPR's Weekend Edition Sunday.

Genetic genealogy has led to an arrest in another cold case, dating back to 1987.

In PLOS this week: mutation in second gene widens clinical symptoms of people with ADD3 mutations, comparative genomic analysis of Pseudovibrio, and more.

Wired reports that 23andMe is trying to bolster its outside collaborations.