This Week in Science

In Science this week, a team of Canadian and Mexican researchers publish a study suggesting that gene duplication may not always offer cells protection from genetic perturbations, but can sometimes make them more susceptible to such disturbances. The team examined 56 pairs of duplicated yeast proteins, mapping out their protein-protein interactions.

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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.