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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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A UK study on mixing SARS-CoV-2 vaccines is expanding to include vaccines developed by additional companies, according to the Guardian.

According to Science, the US National Academy of Sciences is poised to eject two members accused of sexual harassment.

In Nucleic Acids Research this week: machine learning approach to detect DNA-bound proteins, CRISPR-based method for activating specific gene targets, and more.

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