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  • Title: Polysome Profiling and Metabolic Labeling Methods to Measure Translation in Trypanosoma brucei.
    Author: Bajak K, Clayton C.
    Journal: Methods Mol Biol; 2020; 2116():99-108. PubMed ID: 32221916.
    Abstract:
    The amount of a protein that is made in a cell is determined not only by the corresponding mRNA level but also by the efficiency with which the mRNA is translated. Very powerful transcriptome-wide methods are available to analyze both the density of ribosomes on each mRNA and the rate at which polypeptides are elongated. However, for many research questions, simpler, less expensive methods are more suitable. Here we describe two methods to assess the general translation status of cells: polysome profiling by sucrose density gradient centrifugation and metabolic labeling using radioactive amino acids. Both methods can also be used to examine translation of individual mRNAs.
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