[The effect of the nucleotide context on induction of mutations in hypervariable segment 1 of the human mitochondrial DNA].

Abstract excerpt

The distribution of unstable nucleotide positions with a higher frequency of homoplastic mutations was analyzed in hypervariable segment 1 (HVS1) of the major noncoding region of human mtDNA. Three motifs (GTAC, ACCC, CCTC) proved to be associated with a higher rate of point substitutions at unstable positions. The motifs were often arranged in direct, including tandem, repeats. Motifs CCTC and ACCC were found in...

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