ArticleMethods in molecular biology (Clifton, N.J.)2021
Genome-Wide Analysis of Translation in Replicatively Aged Yeast.
Article in Methods in molecular biology (Clifton, N.J.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors at 1 institution in 1 country.
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Abstract
Protein synthesis is an essential process that affects major cellular functions including growth, energy production, cell signaling, and enzymatic reactions. However, how it is impacted by aging and how the translation of specific proteins is changed during the aging process remain understudied. Although yeast is a widely used model for studying eukaryotic aging, analysis of age-related translational changes using ribosome profiling in this organism has been challenging due to the need for isolating large quantities of old cells. Here, we provide a detailed protocol for genome-wide analysis of protein synthesis using ribosome profiling in replicatively aged yeast. By combining genetic enrichment of old cells with the biotin affinity purification step, this method allows large-scale isolation of aged cells sufficient for generating ribosome profiling libraries. We also describe a strategy for normalization of samples using a spike-in with worm lysates that permits quantitative comparison of absolute translation levels between young and old cells.
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