This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, researchers from Italy, the US, and Switzerland describe a microRNA contributing to progression and treatment response in forms of melanoma marked by activating BRAF mutations. Using available data, the team attempted to find miRNAs related to progression in these melanomas.

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Technology Review reports that researchers in the US have used CRISPR to modify a number of human embryos.

By introducing genes from butterfly peas and Canterbury bells, researchers in Japan have developed a blue chrysanthemum, according to NPR.

Plant researchers plan to sequence some 10,000 samples that represent the major plant clades, ScienceInsider reports.

In Nature this week: a Danish reference genome, and more.