Reference: Aufschnaiter A, et al. (2023) Yeast Mitoribosome Purification and Analyses by Sucrose Density Centrifugation and Immunoprecipitation. Methods Mol Biol 2661:119-132

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Abstract


Mitochondrial protein biosynthesis is maintained by an interplay between the mitochondrial ribosome (mitoribosome) and a large set of protein interaction partners. This interactome regulates a diverse set of functions, including mitochondrial gene expression, translation, protein quality control, and respiratory chain assembly. Hence, robust methods to biochemically and structurally analyze this molecular machinery are required to understand the sophisticated regulation of mitochondrial protein biosynthesis. In this chapter, we present detailed protocols for immunoprecipitation, sucrose cushions, and linear sucrose gradients to purify and analyze mitoribosomes and their interaction partners.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Aufschnaiter A, Carlström A, Ott M
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