Researchers from Switzerland, Norway, and Germany describe efforts to sequence, assembly, and begin analyzing the draft genome of a perennial flowering plant called Primula veris that can produce two types of flowers, a trait known as heterostyly. Using a combination of Illumina, Ion Proton, and Pacific Biosciences sequencing technologies, the team put together an almost 302 million base de novo assembly spanning roughly 63 percent of the plant's complete genome.

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The US Food and Drug Administration has new guidelines that enable some gene and cell therapies to undergo expedited review, according to the New York Times.

Using gene drives to control invasive species might be too risky, an initial advocate of the approach says.

In Science this week: intellectual property experts argue patent battles such as the one over CRISPR are wasteful, and more.

Researchers have grown tumors in 3D cell cultures to better understand cancer, the Economist reports.