This Week in PNAS

In this week's PNAS Early Edition, an international research team reports its sequencing of two rust fungi, Melampsora larici-populina — the causal agent of poplar leaf rust — and Puccinia graminis f. sp. Tritici — the causal agent of wheat and barley stem rust.

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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.