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Finding a People's Origin

A recent paper in the American Journal of Human Biology looks into the origin of the Gagauzes people. They speak Turkish, live in southern Moldova and northeastern Bulgaria, and are thought to be descendants of either Turkic nomadic tribes or have a more complicated Anatolian-steppe origin. The researchers surveyed 89 Y-chromosomes samples from two Gagauz populations, compared them to those from Anatolian, Balkan, and Central Asian populations, and found the Gagauzes appear to be Balkan. However, the researchers say that the samples are not from a homogeneous group and that some microsatellite haplotypes are shared between Gagauz and Turkic populations. Razib blogs about this paper, adding a historical and anthropological perspective.


The Scan

CDC Calls Delta "Variant of Concern"

CNN reports the US Centers for Disease Control and Prevention now considers the Delta variant of SARS-CoV-2 to be a "variant of concern."

From FDA to Venture Capital

Former FDA Commissioner Stephen Hahn is taking a position at a venture capital firm, leading some ethicists to raise eyebrows, according to the Washington Post.

Consent Questions

Nature News writes that there are questions whether informed consent was obtained for some submissions to a database of Y-chromosome profiles.

Cell Studies on Multimodal Single-Cell Analysis, Coronaviruses in Bats, Urban Microbiomes

In Cell this week: approach to analyze multimodal single-cell genomic data, analysis of bat coronaviruses, and more.