POPULATION GENETIC STRUCTURE AND PHYLOGENETIC ORIGIN OF TRIOPS LONGICAUDATUS (BRANCHIOPODA: NOTOSTRACA) ON THE KOREAN PENINSULA

Title
POPULATION GENETIC STRUCTURE AND PHYLOGENETIC ORIGIN OF TRIOPS LONGICAUDATUS (BRANCHIOPODA: NOTOSTRACA) ON THE KOREAN PENINSULA
Author(s)
석호영백수연[백수연]김상기[김상기]황의욱[황의욱]류시현[류시현]장금희[장금희]최은화[최은화]곽명해[곽명해]전주민[전주민]김순옥[김순옥]
Keywords
CRUSTACEA; SOFTWARE; INVASION; INVERTEBRATES; MITOCHONDRIAL; DIVERSITY; SUCCESS; BIOLOGY; TREES; WATER
Issue Date
201304
Publisher
CRUSTACEAN SOC
Citation
JOURNAL OF CRUSTACEAN BIOLOGY, v.33, no.3, pp.382 - 391
Abstract
The small notostracan crustacean Triops longicaudatus (LeConte, 1846) is considered a living fossil, with a geological record that reaches back to the Carboniferous Period, and is widespread in North America. This species has been found since 1986 on the Korean Peninsula and was officially designated by the Korean government as an endangered species. No taxonomic survey has yet been performed for the samples of Triops found in Korea. Here, we examined the population genetic structure from 79 individuals of T. longicaudatus throughout the species' geographical range in Korea and to elucidate the phylogenetic relationships among T longicaudatus-long, T logicaudatus-short, and T newberryi, using the nucleotide sequences of COI (643 bp) and ND1 (444 bp). A total of eight haplotypes in COI and nine haplotypes in ND1 were found, and 15 haplotypes (H1-H15) from the combined data of the two genes were also observed. The nested clade analysis and phylogenetic analyses unambiguously corroborate that the Korean populations are subdivided into three distinct genetic lineages. It is highly likely that the Korean populations of T. longicaudatus belong to T longicaudatus-short. Additionally, T longicaudatus-long and T longicaudatus-short may be different, independent species, based on the present phylogeny, the number of legless abdominal rings (LAR), posterior marginal carapace teeth (PMCT), sexual mode, and egg colour. This work is the first comprehensive population genetic and phylogenetic approach for studying T. longicaudatus from East Asia.
URI
http://hdl.handle.net/YU.REPOSITORY/26082http://dx.doi.org/10.1163/1937240X-00002142
ISSN
0278-0372
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이과대학 > 생명과학과 > Articles
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