This Week in PNAS

In a paper published online in advance in PNAS this week, researchers at the Chinese Academy of Sciences and China Wildlife Conservation Association report "evidence of cellulose metabolism by the giant panda gut microbiome," which they unearthed in a metagenomic investigation.

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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.