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XNA Activity

Xeno-nucleic acids, or XNAs, can act as catalysts, report researchers led by MRC Laboratory of Molecular Biology's Philipp Holliger in Nature this week. They've dubbed these synthetic catalysts XNAzymes.

He and his colleagues reported in Science in 2012 on their development of six XNAs not found in nature that could store genetic information.

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Bloomberg reports that the DNA-for-cash deal reported in Kentucky might be a more widespread scam.

St. Jude Children's Research Hospital scientists have treated infants with X-linked severe combined immunodeficiency using gene therapy in an early phase study.

St. Louis Public Radio reports that some African Americans are turning to DNA ancestry testing to help guide genealogical searches.

In Nature this week: a genomic analysis of the snailfish Pseudoliparis swirei, ancient DNA analysis gives insight into the introduction of farming to England, and more.