DNA Does Origami

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It can create a being as complex as you — and it can also make nanoscale smiley faces. There’s seemingly no end to the power of DNA, now seen folding into shapes and images.

Here at GT, we’re on a constant quest for the weirdly beautiful — and so far, the fields of systems biology haven’t disappointed. The latest: nanoscale shapes built using DNA. While the concept isn’t new — scientist Ned Seeman at New York University first proposed it two decades back — scientists today have a new take on it.

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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.