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This Week in PNAS

The cholera-causing bacterial species Vibrio cholerae can gain drug resistance via a range of mobile genetic elements, according to researchers in India and the UK. The team assessed resistance or susceptibility to 22 antibiotics in more than 400 V. cholerae clinical isolates, obtained from stool samples for individuals treated for diarrhea in Kolkata or Delhi between 2008 and 2015.

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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.