NEW YORK (GenomeWeb News) – A pair of new PLoS ONE studies suggests specific gene expression signatures in host blood samples correspond with symptomatic viral and bacterial infections — information that may ultimately lead to more effective ways of detecting, tracking, and treating such diseases.

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

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

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.