Binding and translation of turnip-yellow-mosaic-virus ribonucleic acid by skeletal-muscle ribosomes from normal and diabetic rats
- PMID: 5451911
- PMCID: PMC1179048
- DOI: 10.1042/bj1170899
Binding and translation of turnip-yellow-mosaic-virus ribonucleic acid by skeletal-muscle ribosomes from normal and diabetic rats
Abstract
Ribosomes from skeletal muscle of diabetic rats were less active than normal ribosomes in protein synthesis directed by turnip-yellow-mosaic-virus RNA. The proportion of ribosomes from muscle of diabetic rats capable of binding turnip-yellow-mosaic-virus RNA was greater than normal, but there was no difference in the equilibrium constants for the binding reaction. The turnip-yellow-mosaic-virus RNA was bound preferentially to the small (40S) ribosomal subunit, whereas the decrease due to diabetes in its translation was associated with the large (60S) subunit. Thus the diminished capacity of ribosomes from muscle of diabetic rats to translate turnip-yellow-mosaic-virus RNA was not the result of decreased binding of the template.
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