This Week in PNAS

In PNAS this week, investigators in Germany and the UK show that translation of the proto-oncogene c-Myc is repressed by miR-24c following etoposide-induced DNA damage. "While miR-34c is induced by p53 following DNA damage, we show that in cells lacking p53 this is achieved by an alternative pathway which involves p38 MAPK signaling to MK2," they write, adding that their data reveal c-Myc as a major target of miR-34c.

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American scientists find themselves once again warning the Trump administration not to dismiss science, the New Yorker report.

A new study suggests CRISPR could be used to save coral reefs from dying off, Forbes reports.

Researchers have found that the i-motif shape of DNA previously observed in the lab also exists in human cells, and that it may serve a purpose.

In PNAS this week: a genomic, transcriptomic, and metabolomic analysis of the tea plant, Arabidopsis thaliana's adaptations to specific local environments, and more.