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This Week in PLoS

In PLoS Genetics this week, researchers at the Gregor Mendel Institute of Molecular Plant Biology and their colleagues report their "analysis of chromatin structure and RNA transcription at chromosome termini in Arabidopsis." They found telomeric repeat-containing transcripts, some of which "are processed into small interfering RNAs." Telomeric siRNAs promote methylation of asymmetric cytosines in telomeric repeats, contributing to telomeric chromatin maintenance,

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Australia will not be regulating gene editing of plants, animals, and human cell lines as long as no new genetic material is incorporated, reports Nature News.

The Washington Post reports that the US Department of Agriculture told its researchers to label peer-reviewed articles as "preliminary" work.

Researchers have sequenced the genomes of both the coast redwood and the giant sequoia, according to the San Francisco Chronicle.

In PNAS this week: study of epigenetic patterns in mammalian eggs, clonal expansion patterns in CD8+ T cells, and more.