Complete mitochondrial genome of from wuhu, China (Rotifera, Brachionidae).

The complete mitochondrial genome of was sequenced using primers design, clone culture, DNA extraction, LONG-PCR amplification, purification and clone sequencing. We found that it is composed of two circular chromosomes, designated mtDNA I (11,398 bp) and mtDNA II (12,820 bp). The gene content of the mitochondrial genome was similar to that of the previously reported mitochondrial genome of . It contained 22 tRNA genes, 2 rRNA genes and 12 protein-coding genes (PCGs). Four of the 12 PCGs had an incomplete stop codons, TA（cob, atp6, nd3）or T(cox3). The A + T content of mitochondrial genome was apparently higher (mtDNA-I 70.2% and mtDNA II 70.4%) than that of the mitochondrial genome of (mtDNA-I 63.9% and mtDNA-II 62.9%).