This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, a Johns Hopkins University-led team characterizes rare somatic mutations in genomic and mitochondrial DNA from normal human tissues using a massively parallel, barcoded sequencing method called the bottleneck sequencing system (BotSeqS), which involves a dilution step prior to DNA amplification.

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The Atlantic reports that genetic counselors are coping with an influx of patients seeking advice on their direct-to-consumer genetic test results.

A small study finds differences between three genomic prostate cancer tests, Medscape reports.

In Nature this week: shared genetic architecture for asthma and allergic diseases, and more.

A survey of Canadians finds them to be divided on genetically modified food, the Ottawa Citizen reports.