This Week in Nature

In early online, UCSD's Bing Ren used chIP-chip to locate promoters, enhancers, and insulators across the human genome in multiple cell types. They found over 55,000 potential transcriptional enhancers, and that while the chromatin state at promoters and CTCF-binding at insulators doesn't change much across cell types, enhancers show highly cell-type-specific histone modification patterns and genome-wide, cell-type-specific gene expression programs.

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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.