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안동하,박미현,정재호,오미진,김상희,정종우,민기식 한국통합생물학회 2011 Animal cells and systems Vol.15 No.1
The Korean freshwater crayfish, Cambaroides similis, has recently suffered from range reduction and habitat degradation caused by environmental changes and water pollution. For the conservation and restoration of this species, it is necessary to understand the current population structures of Korean C. similis using estimation of their genetic variation. In this study, eight microsatellite loci were developed and characterized from 49 individuals collected from four locations: one population from Mt. Bukhan (BH) and three populations from Mt. Gwanak (GA)in Seoul, Korea. As a result, the number of alleles per locus ranged from 2 to 12. The observed heterozygosities and expected heterozygosities ranged from 0.000 to 0.833 and from 0.125 to 0.943, respectively, and the former values were significantly lower than the latter ones expected under the Hardy-Weinberg equilibrium. No significant linkage disequilibrium was revealed between any of the locus pairs after Bonferroni correction. From the pairwise Fst results over all samples, higher differentiation between GA-BH population pairs (mean 0.1789) was observed than between GA population pairs (mean 0.0454). This was also supported by Mantel’s test showing that the genetic distances of these crayfish populations were significantly correlated with geographic distances. This result may show the regional differentiation caused by restricted gene flow between northern (BH) and southern (GA) populations within Seoul. These microsatellite markers have the potential for use in analyses of the genetic diversity and population structure of C. similis species, with implications for its conservation and management plans.
안동하,민기식 국립생물자원관 2016 Journal of species research Vol.5 No.3
The branchiobdellidan species Holtodrilus truncatus (Liang, 1963) is reported for the first time in Korea. The genus Holtodrilus Gelder and Brinkhurst, 1990 is monotypic within the family Xironodrilidae, and the genus and family of this species are also new to the Korean fauna. The branchiobdellidan specimens were collected from the exoskeletons of the freshwater atyid shrimp, Neocaridina sp., sampled from the ‘Andeok Valley’, Jeju-do Province, South Korea. Holtodrilus truncatus is characterized by its terete body form, 7/7 dental formula (with a large medial tooth and three pairs of smaller lateral teeth), and no trunk appendages. In addition, we determined a partial sequence of the mitochondrial cytochrome c oxidase subunit 1 (CO1) gene as a DNA barcode marker for H. truncatus. The present study is the first record of the branchiobdellidan occurrence on a non-crayfish host (shrimp) in Korea. To date, seven species (four genera in three families) of branchiobdellidans have been reported in the Korean fauna.
First Record of Genus Sinorchestia (Crustacea: Amphipoda: Talitridae) from Korea
김민섭,안동하,민기식 한국동물분류학회 2010 Animal Systematics, Evolution and Diversity Vol.26 No.2
We present the first record of Sinorchestia sinensis (Chilton, 1925), the sandhopper, in Korea. This species was collected from the Baengnyeongdo Island of Korea. Descriptions of diagnostic characters of the species are provided on the text. A key to the species of Sinorchestia is provided.
Record of two soil ciliates (Ciliophora: Colpodea: Colpoda) from Korea
김강산,안동하,민기식 국립생물자원관 2016 Journal of species research Vol.5 No.3
We collected two unrecorded Colpoda species - C. cucullus Müller, 1773 and C. inflata (Stokes, 1885) Kahl, 1931 from Jeju-do Province (Sarabong Park, 33°31′N 126°32′E) in November, 2014. We described these species based on observations of live and impregnated (protargol and silver nitrate impregnation) specimens.
지수정,정종우,김사흥,안동하,김민섭,Jeounghee Lee,양희민,Geon Hyuk Lee,남은정,박태서,Anna B. Jöst,Huyen T. M. Pham,Jina Park,Chuleui Jung,민기식,박중기,Tomislav Karanovic,박주희,금서영,Ivana Karanovic 국립생물자원관 2023 Journal of species research Vol.12 No.4
This is the third series of catalogs reporting on Korean species discovered through the ‘Discovery of Korean Indigenous Species’. This catalog includes 22 species of invertebrates, excluding insects. The catalog includes the scientific name, an abridged list of synonyms, collection sites, distribution, diagnosis, and figures for each species. Additionally, we provide the newly assigned Korean name, specimen voucher, and, if available, mitochondrial CO1 or 16S gene sequences of the species listed. All species identified and documented here will be officially listed on the ‘National Species List of Korea’, a database maintained by the National Institute of Biological Resources(NIBR)