NEW YORK (GenomeWeb) – New research has helped illuminate how physicians are using Genomic Health's Oncotype DX to guide treatment decision-making for women with early-stage breast cancer: whether they tend to order the test in the correct circumstances, and how they then act on the results.

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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.