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Trying Again

The authors of a highly cited Science paper from 2004 on the synthesis of glycoproteins have retracted it, reports The Scientist. As the authors note in their retraction, "the lab notebooks are no longer available to replicate the original experimental conditions, and we are unable to introduce this amino acid into myoglobin with the information and reagents currently in hand." Senior author Peter Schultz tells The Scientist that his lab plans to continue to study the glycosylation of amino acids. "There are clearly complexities associated with suppression and cellular bioavailablity of these and other glycosylated amino acids that we did/do not understand," Schultz wrote in an email.

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.