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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Polygamy amplified a rare genetic disease in area near Arizona-Utah border, BBC Future reports.

Genetic ancestry testing led one woman to learn that her father and another baby boy had been switched at birth, the Washington Post reports.

Simple de-identification methods can protect information in a database from attackers, a new study suggests.

In Science this week: approach to visualize chromatin structure in nuclei, and more.