To Know or Not?

Individuals harboring ostensibly pathogenic variants in two genes linked to cardiac arrhythmias don't always show signs of the condition, researchers led by Vanderbilt University Medical Center's Dan Roden and Sara Van Driest report in the Journal of the American Medical Association this week.

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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.