NEW YORK, July 23  - In a field where IP position is often more important than underlying technology, Ambion has made another inroad, licensing an invention where PCR is used to create siRNA expression cassettes.

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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.