This Week in Cell

In a paper recently published online in advance in Cell, a team led by investigators at the Fox Chase Cancer Center in Philadelphia discuss "how unmethylated regions in mammalian genomes are protected from de novo methylation and whether an active demethylating activity is involved," and show that, in mice, "either knockout or catalytic inactivation of the DNA repair enzyme thymine DNA glycosylase leads to embryonic lethality." Overall, team reports that thymine DNA glycosylase, or TDG, "keeps C

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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.