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Sigma-Aldrich, Family Tree DNA

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Sigma-Aldrich has launched the mirPremier microRNA isolation kit for miRNA purification from diverse biological sources. The kit enables scientists to purify and enrich miRNA, along with other small RNAs, directly from cells or tissues, including mammalian cell cultures, animal tissues, microbial cultures, and plant tissues, and difficult-to-extract tissues, such as grape leaf. The kit yields “highly purified miRNA samples with no detectable large RNA," according to the company.
 

 

Family Tree DNA last week announced the launch of a comparative database for full mitochondria sequences; MyMaps, a personalized interactive genetic mapping system; and a test that allows participants to map genetic relationships through the Y chromosome.

The Scan

Tens of Millions Saved

The Associated Press writes that vaccines against COVID-19 saved an estimated 20 million lives in their first year.

Supersized Bacterium

NPR reports that researchers have found and characterized a bacterium that is visible to the naked eye.

Also Subvariants

Moderna says its bivalent SARS-CoV-2 vaccine leads to a strong immune response against Omicron subvariants, the Wall Street Journal reports.

Science Papers Present Gene-Edited Mouse Models of Liver Cancer, Hürthle Cell Carcinoma Analysis

In Science this week: a collection of mouse models of primary liver cancer, and more.