In Genome Research this week, Elzo de Wit and Sam Linsen at Hubrecht Institute-KNAW and the University Medical Center Utrecht sequenced small RNAs in the nematodes Caenorhabditis elegans, C. briggsae, C. remanei, and Pristionchus pacificus to study the evolution of miRNAs. In addition to finding more than 100 novel expressed miRNA genes, most of which were in P.

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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.