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Comparative Study
. 1981 Aug 25;9(16):4139-48.
doi: 10.1093/nar/9.16.4139.

The nucleotide sequence of the large ribosomal RNA gene and the adjacent tRNA genes from rat mitochondria

C Saccone, P Cantatore, G Gadaleta, R Gallerani, C Lanave, G Pepe, A M Kroon
Comparative Study

The nucleotide sequence of the large ribosomal RNA gene and the adjacent tRNA genes from rat mitochondria

C Saccone et al. Nucleic Acids Res. .

Abstract

We have sequenced the Eco R(1) fragment D from rat mitochondrial DNA. It contains one third of the tRNA (Val) gene (the remaining part has been sequenced from the 3' end of the Eco R(1) fragment A) the complete gene for the large mt 16S rRNA, the tRNA (Leu) gene and the 5' end of an unidentified reading frame. The mt gene for the large rRNA from rat has been aligned with the homologous genes from mouse and human using graphic computer programs. Hypervariable regions at the center of the molecule and highly conserved regions toward the 3' end have been detected. The mt gene for tRNA Leu is of the conventional type and its primary structure is highly conserved among mammals. The mt gene for tRNA(Val) shows characteristics similar to those of other mt tRNA genes but the degree of homology is lower. Comparative studies confirm that AGA and AGG are read as stop codons in mammalian mitochondria.

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References

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