This Week in Science

This week in Science, scientists from the Institut National de Recherche Agronomique in France publish the genome sequence of Brassica napus, the plant from which canola oil is derived. B. napus is an allopolyploid, with chromosomes from Asian cabbage and Mediterranean cabbage that were found to continuously exchange corresponding genetic material. Such gene conversion events, the researchers say, appear to have been selected by humans as part of crop improvement.

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A research duo estimates in PLOS One the number of papers that have used misidentified cell lines.

UK's National Institute for Health and Care Excellence approves GlaxoSmithKline's SCID gene therapy despite cost.

Science reports that Brazilian researchers are petitioning for the reversal of budget cuts.

In PLOS this week: gene flow patterns in common ash, guidelines for using morpholinos in zebrafish, and more.