In a paper published online in advance in Nucleic Acids Research this week, Jiri Vohradsky from the Czech Republic Academy of Sciences' Institute of Microbiology presents a procedure for the stochastic simulation of gene expression, which he used to investigate the expression dynamics of yeast cyclins and cyclin-dependent kinases. In his simulations, Vohradsky found that the "level of influence of individual regulators in control of the regulated genes is defined," he writes.

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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.