This Week in PNAS

In the PNAS Early Edition this week, researchers at the University of North Carolina, Chapel Hill, and the National Cancer Institute describe how, through their investigation of the structure of murine leukemia virus RNA, they identified a "high-affinity Gag recognition structure" that mediates the packaging of the retroviral genome.

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A new report highlights the potential threats posed by advances in synthetic biology, NPR reports.

A Bloomberg reporter tried to get her genetic data deleted, but found it's not so simple to do.

Johns Hopkins University's Steven Salzberg and his colleagues have come up with a new estimate for the number of human genes, Nature News reports.

In Genome Research this week: study of intra-tumor heterogeneity, workflow resources for EPIGEN-Brazil, and more.