Mapping of the mitochondrial 16S ribosomal RNA gene and its expression in the cytoplasmic petite mutants ofSaccharomyces cerevisiae |
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| Authors: | Gérard Faye Chantal Kujawa Hiroshi Fukuhara Murray Rabinowitz |
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| Institution: | 1. the Franklin McLean Memorial Institute, University of Chicago, Chicago, Illinois 60637, USA |
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| Abstract: | The 16S ribosomal RNA gene of yeast mitochondria was titrated in various cytoplasmic petite mutants by DNA-RNA hybridization. The gene was located close to the prolyl transfer RNA gene. The properties of the rho? strains suggest that the gene order would be: - PI - 16S - prolyl tRNA - valyl tRNA - (tRNAs) - RI - RIII -; the 23S ribosomal gene is far from the 16S one. Several petite mutants were found which have retained, in addition to many transfer RNA genes, both of the 23S and 16S ribosomal RNA genes. The two genes seem to be transcribed in these mutants. |
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