This Week in Cell

An international team led by investigators at the Scripps Research Institute this week shows that the human-specific gene duplications SRGAP2B and SRGAP2C are both partial, and that both encode a truncated F-BAR domain. "Expression of SRGAP2C phenocopies SRGAP2 deficiency," the authors write in a paper published online in advance in Cell this week.

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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.