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This Week in PLoS

In PLoS Computational Biology this week, a trio of investigators at Portugal's Instituto Gulbenkian de Ciência demonstrate that genetic redundancy is lost as a result of decreased selection for robustness in predicable environments. In interrogating "the evolutionary dynamics of genetic redundancy in extremely reduced genomes," the team found "a selective drive to keep the diversity of protein families while sacrificing paralogy."

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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.