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Published online in Genome Research this week, investigators at the University of Connecticut and the University of Michigan report their elucidation of the regulatory divergence in two closely related Drosophila species using deep mRNA sequencing. Between D. melanogaster and D. sechellia, 78 percent of expressed genes have divergent expression, the researchers write. They also found that cis-regulatory differences contributed to more expression divergence and showed more additive inheritance.

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Researchers trace DNA on a clay pipe found at a former slave site to a population that lives in what is now Sierra Leone, the Washington Post reports.

Two researchers report on their genetic analysis of samples from a shawl thought to belong to a victim of Jack the Ripper, ScienceInsider reports.

Japan is to release rules governing some gene-edited food, according to NHK World.

In PLOS this week: computational strategy for improving gene set analysis testing, miRNAs linked to sleep apnea, and more.