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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Helix customers can purchase apps that interpret different aspects of their genome, Technology Review reports.

The New York Times reports that a number of companies and research institutes are pursuing gene therapies.

Salmon with shorter telomeres survive to make the trip back to their river homes, New Scientist reports.

In PLOS this week: vaginal microbiome composition, population patterns of Chagas-carrying Rhodnius ecuadoriensis, and more.