Molecular characterization of a cloned dolphin mitochondrial genome.
DNA clones have been isolated that span the complete mitochondrial (mt) genome of the dolphin, Cephalorhynchus commersonii. Hybridization experiments with purified primate mtDNA probes have established that there is close resemblance in the general organization of the dolphin mt genome and the terrestrial mammalian mt genomes. Sequences covering 2381 bp of the dolphin mt genome from the major noncoding region, three tRNA genes, and parts of the genes encoding cytochrome b, NADH dehydrogenase subunit 3 (ND3), and 16S rRNA have been compared with corresponding regions from other mammalian genomes. There is a general tendency throughout the sequenced regions for greater similarity between dolphin and bovine mt genomes than between dolphin and rodent or human mt genomes.
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Scripps Institution of Oceanography, Marine Biology Research Division, University of California, San Diego, La Jolla 92093.
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Dizon
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D000818:Animals; D001483:Base Sequence; D002417:Cattle / Q000235:genetics; D004272:DNA, Mitochondrial / Q000235:genetics*; D004274:DNA, Recombinant; D004278:DNA, Superhelical / Q000235:genetics; D004289:Dolphins / Q000235:genetics*; D005822:Genetic Vectors; D006801:Humans; D051379:Mice / Q000235:genetics; D008969:Molecular Sequence Data; D010802:Phylogeny; D012343:RNA, Transfer / Q000235:genetics; D012689:Sequence Homology, Nucleic Acid; D013045:Species Specificity
D004272:DNA, Mitochondrial; D004274:DNA, Recombinant; D004278:DNA, Superhelical; D012343:RNA, Transfer