This Week in PNAS

In a study appearing in the early, online edition of the Proceedings of the National Academy of Sciences, Texas-based researchers used a combination of gene expression data, DNA methylation profiles, and methyl-CpG binding protein 2 interaction patterns to study Rett syndrome in a mouse model of the disease. Results from the analysis suggest that MeCP2 not only binds to methylated cytosine bases that neighbor guanine, but also to cytosines that are methylated in a non-CG context.

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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.