Virome Mystery

Not only is the human body covered inside and out with bacteria, it is also home to a large number of viruses. "But, truth be told, a lot of viruses we harbor don't make us sick. They may even make us healthy. You'd think they'd be worth getting to know. But they're mostly a mystery to us," writes Carl Zimmer at The Loom. He notes, though, that researchers are beginning to try to solve that mystery.

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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.