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This Week in Science

In Science this week, researchers from the University of Texas at Austin describe a study they conducted in humans and the yeast Saccharomyces cerevisiae indicating that orthologous genes from the two species that diverged about a billion years ago can retain their ancestral functions for just as long. The investigators replaced 414 essential S.

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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.