At the Daily Transcript, Alex Palazzo gives a rundown of how DNA is organized and how that organization affects gene expression -- it's not all epigenetics and noncoding RNAs (remember promoters and enhancers?). He starts by describing the "pearl necklace" of DNA and histones, then goes into how those nucleosomes can be modified and how those modifications influence gene expression.

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The apple has traveled westward and eastward along the Silk Road, according to a new genetic analysis.

In Nature this week: GWAS data used to reposition drugs for psychiatric use, and more.

Genetic disease risk information doesn't always spur people to make healthy lifestyle changes, according to the Associated Press.

A University of California, San Diego-led team has used liquid biopsies to uncover possible treatments for patients with cancers of unknown primary.