NEW YORK (GenomeWeb News) – Expression Analysis has netted a $27 million contract from the Environmental Protection Agency to investigate toxicology-related RNA biomarkers for a set of up to 12,100 compounds in 121,100 biological samples being reviewed under EPA's ToxCast program, EA said today.

The ToxCast effort is aimed at measuring the toxicity of the chemical compounds and creating a genomic database using PCR assays, gene expression microarrays, and transcriptome sequencing.

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In Science this week: factors influencing retrotransposon integration sites, and more.

A bioethicist argues for the responsible use of germline gene editing.

Some breweries are using DNA-based testing to determine whether unwanted bacteria are affecting their beers, The Verge reports.

Standardized N-of-1 trials will be needed to test out personalized medicines, writes Nicholas Schork from the J. Craig Venter Institute at Nature.