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By comparing the salivary proteomes of younger and older women, John Yates and his colleagues find that protein expression is age-dependent. As they report in the Journal of Proteome Research, they fractionated parotid saliva from 14 women and then analyzed the samples using mass spec and MudPIT. They identified 532 proteins, but found that half were only expressed in a particular age group.

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The Washington Post reports that Herbert Tabor, who worked at the US National Institutes of Health for 77 years, has died at 101.

The World Bank is seeking approval for a $12 billion plan to provide low-income nations with funds to procure SARS-CoV-2 vaccines, according to Reuters.

Science writes that public health officials and others are debating whether cycle threshold values should be included on SARS-CoV-2 results.

In Nucleic Acids Research this week: online database of SARS-CoV-2 protein structures, atlas of the human brain, and more.