This Week in Nature

In an advance, online publication of Nature this week, researchers at the University of Wisconsin-Madison report that "small regulatory RNAs inhibit RNA polymerase II during the elongation phase of transcription." They show that "gene nuclear RNAi defective-2 (nrde-2) encodes an evolutionarily conserved protein that is required for siRNA-mediated silencing in nuclei." The team suggests that their results "demonstrate that metazoan siRNAs can silence nuclear-localized RNAs co-trans

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Science speaks with the University of Michigan's Jedidiah Carlson, who has tracked population genetic discussions at white nationalist sites.

Gene therapies could qualify for a faster US Food and Drug Administration approval process, according to Stat News.

NPR reports that the US House of Representatives has passed a bill to enable terminally ill patients access to experimental drugs.

In Genome Research this week: inversion variants mapped in human, non-human primate genomes; transcriptome profiling of maize, sorghum; and more.