This Week in Cell

University of Massachusetts researcher Albertha Walhout and colleagues describe diet-related gene expression networks delineated multiple genetic screening methods. The group used a mutagenesis screen, RNA interference, and other approaches to track down a gene network involved in dietary response when Caenorhabditis elegans worms munch on Comamonas bacteria rather than their standard Escherichia coli fare.

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With the launch of Scott Kelly into space today, the study of him and his earthbound brother to disentangle the effects of life in space from the effects of genetics kicks off.

In Science this week: self-assembly of DNA components in solution, and more.

Genetics and Molecular Research retracts two gastric cancer papers for being "substantially equal" to other papers, according to Retraction Watch.

A new analysis indicates that the Ebola virus behind the current West African outbreak is mutating at about the same rate as other Ebola viruses.