Article
Mutation and selection on the anticodon of tRNA genes in vertebrate mitochondrial genomes.
Gene - 17 Jan 2005
Xia Xuhua
Abstract excerpt
The H-strand of vertebrate mitochondrial DNA is left single-stranded for hours during the slow DNA replication. This facilitates C-->U mutations on the H-strand (and consequently G-->A mutations on the L-strand) via spontaneous deamination which occurs much more frequently on single-stranded than on double-stranded DNA. For the 12 coding sequences (CDS) collinear with the L-strand, NNY synonymous codon families...
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