Park, Taeseo. (2021). DNA barcoding of benthic ragworms of the genus Nectoneanthes (Polychaeta: Nereididae) collected in Korean waters. Animal Systematics, Evolution and Diversity. 37(3): 235-241.

567573

10.5635/ASED.2021.37.3.020 [view]

Park, Taeseo

2021

37(3): 235-241

Publication

https://doi.org/10.5635/ASED.2021.37.3.020

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To provide better taxonomic information of the genus Nectoneanthes, the two DNA barcode regions of mitochondrial cytochrome c oxidase subunit I (COI) and 16S ribosomal DNA (rDNA) sequences of Nectoneanthes oxypoda and N. uchiwa were determined. In addition, the respective sequences of four nereidid species closely related to Nectoneanthes were retrieved from GenBank for comparison and to estimate intra- and inter-specific genetic distances. The aligned sequence lengths of COI and 16S rDNA were 570 bp and 419 bp long, respectively. The mean intraspecific variation in both markers was less than 1% in all species except for that in COI of H. diadroma (1.87%). The mean interspecific variation between N. oxypoda and N. uchiwa was 12.02% regarding COI and 1.85% regarding 16S rDNA. In contrast, the mean interspecific variation between species of other genera was comparably higher (i.e., genus Perinereis: 20.5% in COI and 8.3% in 16S rDNA; genus Hediste: 13.18% in COI and 2.64% in 16S rDNA), compared with that between the two Nectoneanthes species. This result indicated that these Nectoneanthes species are genetically more closely related than other congeneric species of different genera. The DNA barcoding information on Nectoneanthes species generated in this study provides valuable insights for further biodiversity studies on nereidid species.

East China Sea
Korean Peninsula
Yellow Sea

DNA
Molecular systematics, Molecular biology
Systematics, Taxonomy

Annelida
Polychaeta

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