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The Semantics of "Junk" DNA -- We're Confused, Too

Greg Laden points out a recently published paper in PNAS that gives credence to the theory that non-coding RNA has specific function. The work identified 849 ncRNAs (of 1,328 examined) that are expressed in the adult mouse brain, the majority of which they also found were associated with and expressed in specific regions, cell types, or cellular compartments. He's blasted here and here for his supposed naivety, but he maintains that the "paper is interesting and the evidence for ncRNA having some function is reasonable."

The Scan

Fertility Fraud Found

Consumer genetic testing has uncovered cases of fertility fraud that are leading to lawsuits, according to USA Today.

Ties Between Vigorous Exercise, ALS in Genetically At-Risk People

Regular strenuous exercise could contribute to motor neuron disease development among those already at genetic risk, Sky News reports.

Test Warning

The Guardian writes that the US regulators have warned against using a rapid COVID-19 test that is a key part of mass testing in the UK.

Science Papers Examine Feedback Mechanism Affecting Xist, Continuous Health Monitoring for Precision Medicine

In Science this week: analysis of cis confinement of the X-inactive specific transcript, and more.