NEW YORK (GenomeWeb News) – Shares in Cepheid have climbed more than 8 percent today following a morning upgrade of the company's stock by an analyst with William Blair & Co.

Analyst Brian Weinstein upgraded Cepheid shares to "outperform" from "market perform," noting expected revenues from new diagnostic products and increased hospital spending in 2010.

In afternoon trading on Nasdaq, Cepheid's shares had risen 8.3 percent to $15.58 from $14.38 at close of market on Friday.

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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.