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This week in PLoS Pathogens, researchers at the University of California, Berkeley, "provide the first direct evidence that a pathogenicity island-encoded sRNA, IsrM, is important for Salmonella invasion of epithelial cells, intracellular replication inside macrophages, and virulence and colonization in mice." The team shows that Salmonella in which isrM has been deleted "is defective in bacteria invasion," and as a result, suggest "sRNAs may represent a dis

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European regulators have begun a rolling review of Russia's Sputnik V SARS-CoV-2 vaccine, Reuters reports.

Science reports that Science Foundation Ireland is seeking annual budget increases.

According to the Financial Times, a UK university group is pushing Elsevier to lower its journal fees.

In Nature this week: satellite tracking and genome sequencing combination used to examine migration patterns of peregrine falcons, and more.