This Week in Nature

In the current issue of Nature, scientists at the Broad Institute, among others, looked at the evolution of pathogenicity in six Candida species and compared these and related pathogens and non-pathogens. They found that large genomic tracts are homozygous in three diploid species and, surprisingly, key components of the mating and meiosis pathways are missing from several species, they write.

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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.