Specialised ribosomes as versatile regulators of gene expression
RNA BIOLOGY(2022)
Abstract
The ribosome has long been thought to be a homogeneous cellular machine that constitutively and globally synthesises proteins from mRNA. However, recent studies have revealed that ribosomes are highly heterogeneous, dynamic macromolecular complexes with specialised roles in translational regulation in many organisms across the kingdoms. In this review, we summarise the current understanding of ribosome heterogeneity and the specialised functions of heterogeneous ribosomes. We also discuss specialised translation systems that utilise orthogonal ribosomes.
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Key words
Specialised ribosome, ribosome heterogeneity, divergent rRNA, ribosomal protein, post-translational modification, orthogonal ribosome
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