Though RNA dot hybridization is negative, OP J18-1400 has a conservative domain of seven base pairs DNA sequence: 5-TTCCCTC-3, which is a homologous recombination hotspot domain in atp6 gene.

• 虽然OPJ18－1400对应的RNA斑点杂交呈阴性，但其DNA序列中存在一个七碱 基5－TTCCCTC－3的保守系列，它是atp6基因中同源重组热点区，其促使线粒体基因重组形成嵌