This Week in PNAS

In a paper appearing in this week's PNAS Early Edition, a team led by investigators at the Salk Institute for Biological Studies in La Jolla, Calif., shows that, in response to salicylic acid exposure, transposon-associated differentially methylated regions in Arabidopsis thaliana that are accompanied by the upregulation of 21-nt siRNAs are often coupled to transcriptional changes of the transposon and/or the proximal gene.

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Five researchers are to share this year's Albany Medical Center Prize for their work on the CRISPR/Cas9 gene-editing tool, the AP reports.

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