Complete mitochondrial genome of haplorchis taichui and comparative analysis with other trematodes

Dongmin Lee, Seongjun Choe, Hansol Park, Hyeong Kyu Jeon, Jong Yil Chai, Woon Mok Sohn, Tai Soon Yong, Duk Young Min, Han Jong Rim, Keeseon S. Eom

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)


Mitochondrial genomes have been extensively studied for phylogenetic purposes and to investigate intra- and interspecific genetic variations. In recent years, numerous groups have undertaken sequencing of platyhelminth mitochondrial genomes. Haplorchis taichui (family Heterophyidae) is a trematode that infects humans and animals mainly in Asia, including the Mekong River basin. We sequenced and determined the organization of the complete mitochondrial genome of H. taichui. The mitochondrial genome is 15,130 bp long, containing 12 protein-coding genes, 2 ribosomal RNAs (rRNAs, a small and a large subunit), and 22 transfer RNAs (tRNAs). Like other trematodes, it does not encode the atp8 gene. All genes are transcribed from the same strand. The ATG initiation codon is used for 9 protein-coding genes, and GTG for the remaining 3 (nad1, nad4, and nad5). The mitochondrial genome of H. taichui has a single long non-coding region between trnE and trnG. H. taichui has evolved as being more closely related to Opisthorchiidae than other trematode groups with maximal support in the phylogenetic analysis. Our results could provide a resource for the comparative mitochondrial genome analysis of trematodes, and may yield genetic markers for molecular epidemiological investigations into intestinal flukes.

Original languageEnglish
Pages (from-to)719-726
Number of pages8
JournalKorean Journal of Parasitology
Issue number6
Publication statusPublished - 2013 Dec

All Science Journal Classification (ASJC) codes

  • Parasitology
  • Infectious Diseases


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