This Week in PLoS

In PLoS Biology this week, investigators at the University of Toronto report that most "dark matter" transcripts are associated with known genes in the mouse and human genomes. Using a combination of RNA-seq information and data obtained from tiling arrays experiments, the team shows that most of the seqfrags — or transcribed regions outside known exons and non-coding RNAs — are within introns, "raising the possibility that they are fragments of pre-mRNAs," they write.

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In Science this week: International Wheat Genome Sequencing Consortium publishes the bread wheat cultivar Chinese Spring reference genome, and more.

At his FDA Law Blog, Jeffrey Gibbs discusses FDA's technical assistance for the draft Diagnostic Accuracy and Innovation Act.

The New York Times reports that genetic testing has uncovered unfaithful penguins at a Utah aquarium.

Cancer researcher loses funding under new Wellcome Trust anti-bullying policies, the Guardian reports.