Taking another step to build up its proteomics offering, Invitrogen has signed a deal to acquire BioSource International, a provider of proteins, antibodies, and reagents for cytokine and signal transduction assays, for $130 million in cash.

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The Seattle Times writes that pharmacogenomics testing can help choose medications that may work best for people with depression.

Researchers report that deleting one gene from butterflies affects their wing coloration patterns, according to the Washington Post.

In PNAS this week: genome sequencing of weevil symbionts, retinoid X receptor deletion in lung cancer metastasis, and more.

Sequencing could help combat foodborne illnesses, according to a blog post by Food and Drug Administration officials.