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Maybe It Was Just Cold

In a paper published recently in PLoS Genetics, lead author Guillaume Blanc and his team present findings on the genome downsizing process, which they studied in seven Rickettsia genomes. The team was able to reconstruct an ancestral genome and then study the gene shedding process that ensued.

 

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.