This Week in PNAS

In this week's PNAS Early Edition, the University of Alberta's Ling-ju Lin and Michael Schultz discuss promoter-targeted Rtt109 repression of ARG1 via "silencing a pathway of transcriptional activation that depends on ASF1." Lin and Schultz show that the intensity of ARG1 transcription "at its induced and repressed set points is controlled by different mechanisms of functional interplay between Rtt109 and Asf1."

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York University researchers find genomic evidence of inbreeding in the yellow-banded bumblebee, according to Reuters.

In its survey of US adults, the Pew Research Center finds that views on the genetic engineering of animals depend on why it's done.

The Scientist reports agricultural researchers are working on a gene-stacking tool.

In Nature this week: statistical method for overcoming case-control imbalance issues, and more.