By a GenomeWeb staff reporter

NEW YORK (GenomeWeb News) – AdvanDx announced today that its GNR Traffic Light PNA FISH test has received 510(k) clearance from the US Food and Drug Administration.

The test is the first capable of simultaneously identifying Escherichia coli, Klebsiella pneumoniae and Pseudomonas aeruginosa directly from blood cultures containing Gram-negative rods in less than 90 minutes, the molecular diagnostics firm said.

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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.