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. 1987 Feb 25;15(4):1377-86.
doi: 10.1093/nar/15.4.1377.

Adjustment of the tRNA population to the codon usage in chloroplasts

H Pfitzinger, P Guillemaut, J H Weil, D T Pillay
Free PMC article

Adjustment of the tRNA population to the codon usage in chloroplasts

H Pfitzinger et al. Nucleic Acids Res. .
Free PMC article

Abstract

In chloroplasts there is a correlation between the amounts of tRNAs specific for a given amino acid and the codons specifying this amino acid. Furthermore, for the amino acids coded for by more than one codon, the population of isoaccepting tRNAs is adjusted to the frequency of synonymous codons used in chloroplast protein genes. A comparison by two-dimensional gel electrophoresis of the tRNA populations extracted from chloroplasts and from chloroplast polysomes shows that all chloroplast tRNAs are involved in protein biosynthesis.

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