This week, Applied Biosystems launched its line of Power SYBR green reagents for real-time PCR gene-expression applications. The launch is the first major introduction of consumable products since ABI officials started saying the firm would place greater emphasis on the sale of such products, amid slumping sales for certain DNA sequencing and mass spectrometry instrument platforms (see BioCommerce Week 4/14/2005 ).

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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.