Chewed to Bits

Some scientists are turning to CRISPR-Cas3 rather than the more commonly known CRISPR-Cas9 gene-editing tool to tackle antibiotic resistance, according to Gizmodo.

CRISPR-Cas9 has caught numerous researchers' imagination as it can make relatively precise cuts in the genome. But CRISPR-Cas3 is a little less precise. "If CRISPR-Cas9 is a genetic scalpel, Cas3 is a chainsaw," Gizmodo writes.

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The UK's Human Fertility and Embryology Authority calls for consumer genetic testing companies to warn customers that testing could uncover family secrets, according to the Guardian.

The New York Times reports that United Nations delegates have been discussing how to govern the genetic resources of the deep sea.

Researchers have transplanted edited cells into mice that appear to combat cocaine addiction, New Scientist reports.

In PNAS this week: analysis of proteolytic enzymes secreted by circulating tumor cells, phylogenetic study of Fv1 evolution, and more.