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This Week in Nature

In Nature this week, an international research team reports their examination of the alterations in chromatin structure that coincide with pluripotency and genome activation. Using a zebrafish model, the team mapped the location of the repressive H3K27me3 and the activating H3k4me3 histone molecules. While neither were detected before the maternal-zygotic transition, more than 80 percent of the genes were marked by H3K4me3 after genome activation.

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The New York Times Magazine examines gender discrimination at the Salk Institute.

Science reports that MD Anderson Cancer Center has dismissed three researchers over foreign tie concerns.

A second death in gene therapy trial for type 1 spinal muscular atrophy is under investigation, according to Reuters.

In PLOS this week: antibiotic resistance patterns in Escherichia coli, a dozen genetic loci tied to varicose vein risk, and more.