The purified mtDNA can be used directly for mapping of mtDNA and molecular cloning of mitochondrial genes. We had successfully cloned mitochondrial cytochrome oxidase subunit I (COI) gene from grass carp and carp.

• 用这样的mtDNA,我们已克隆了草鱼和鲤鱼的细胞色素氧化酶亚基I基因(COI基因)。