NEW YORK, Dec. 12 (GenomeWeb News) - A $2.2 million gene expression mapping effort - part of the National Science Foundation-funded "Arabidopsis 2010" program - resulted in a Science paper published today that shows where and when 22,000 of the plant's 28,000 genes are activated within growing root tissue.

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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.