This Week in PNAS

An international team led by investigators in France outlines efforts to sequence and characterize the genome of the red algal species Chondrus crispus, commonly called Irish moss — a member of a lineage descended from the first photosynthetic eukaryotes formed through endosymbiosis. After using Sanger sequencing to tackle a C. crispus sample grown from material collected in Peggy's Cove, Nova Scotia, in the 1980s, the researchers delved into the 105 million-base-pair genome sequence, identifying 9,600 or so predicted protein-coding genes.

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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.