NEW YORK (GenomeWeb News) - Alnylam Pharmaceuticals this week announced that the European Patent Office has overturned the claims of one of its patents covering compositions, methods, and uses of siRNAs between 15 and 49 nucleotides long.

The patent in question, EP 1214945, is part of Alnylam's so-called Kreutzer-Limmer patent estate, which the company acquired when it bought German RNAi shop Ribopharma in 2003.

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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.