• 한국양식학회:학술대회논문집
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• 한국양식학회 2003년도 추계학술발표대회 논문요약집
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• pp.39-39
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• 2003

Antioxidant enzyme genes play a key role in cell defense against the lethal effects of oxidative stresses in animals and have an essential function which has allowed the evolution of aerobic respiration starting from an ancient form of oxygen-insensitive life. Piscine antioxidant enzymes are also involved in the rapid response to various toxic chemicals as well as many biological stresses, indicating that they could be used as biomarkers for health and aquatic environment. With the purpose for developing fine molecular probing tool to assess the stresses in marine fish, we identified three major antioxidant enzyme genes (superoxide dismutase, catalase and glutathione-S-transferase) from Korean rock bream using expressed sequence tag analysis and/or high density filter screening. Here we report the molecular information on these gene transcripts including complete sequence data and expression profiles.

• Animal Systematics, Evolution and Diversity
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• 제10권1호
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• pp.61-83
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• 1994

1989년 6월부터 1992년 8월까지 울릉도의 13개 지점에서 채집된 해산 이매패류를 조사한 결과 익형아강(Pteriomorphia)에 속하는 9과 33종(아종)이 채집되었다. 이들은 모두 울릉도 미기록 종이며, 이들 중 Modiolus(Modiolus) comptus Sowerby, 1915, Gregariella coralliophaga(Gmelin, 1971), Musculus(Musculus) laevigatus(Gray, 1824), Chlamys(Coralichlamys) jousseaumei Bavay, 1904, Spondylus(Spondylus) varius Sowerby, 1829 등 5종은 한국 미기록종으로 밝혀졌기에 이들을 재기재 하였다.

• Animal Systematics, Evolution and Diversity
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• nspc3호
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• pp.15-22
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• 1992

서울의 한강과 관악산 계류에서 채집하여 실험실에서 배양한 하모섬모충류가 한국 미기록 종인 Paruroleptus lepisma Wenzel, 1953과 Euplotes aediculatus Pierson, 1943으로 밝혀져 형태 및 통계처리에 관한 연구를 실시했다. 서식처에서 채집한 표본과 실험실에서 배양한 것을 각각 생체 과찰하고 Protargol로 염색하여 섬모하부구조를 관찰하고 통계처리를 하였으면 재기재하였따.

• Animal Systematics, Evolution and Diversity
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• nspc3호
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• pp.39-44
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• 1992

1985년 8월부터 1987년 7월사이에 남한에서 채집된 Doryphoribius zappalai와 Parhexapodibius pilatoi 2종의 한국미기록 종을 보고한다. 본 Doryphoribius 속 및 Parhexapodibius 속은 그동안 한국에서 발표되지 않은 속들이다. 이 미기록종들에 대하여 상세히 기재하였다.

• Animal Systematics, Evolution and Diversity
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• nspc3호
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• pp.113-120
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• 1992

동정에 혼란이 있었던 Melita koreana Stephensen와 Melita rylovae Bulycheva를 각각 다른 종으로 기재하고 한국 미기록종인 Melita setiflagella Yamato를 기재한다.

• Animal Systematics, Evolution and Diversity
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• nspc3호
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• pp.59-66
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• 1992

경남 창녕 및 삼천포의 논에서 채집된 투구새우류 1종, Triops longicaudatus(LeConte,1846)을 재기재한다. 이것은 국내 최초의 배갑류에 대한 기록이다.

• Animal Systematics, Evolution and Diversity
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• 제33권2호
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• pp.131-135
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• 2017

Asteroid specimens of the genus Luidia were collected at a depth of 95-100 m in the Korea Strait by bottom trawling in April 2016. The specimens were identified as Luidia avicularia Fisher, 1913 (Luidiidae: Paxillosida) based on morphological characteristics and molecular phylogenetic analyses, and the species is new to the Korean fauna. A 648-bp partial nucleotide sequence of mitochondrial cytochrome c oxidase I (mt-COI) gene was obtained from Korea, and then was compared to sequences of related species stored in GenBank using molecular phylogenetic analyses. No sequence differences were detected between the L. avicularia mt-COI gene sequences from Korea and China, and the species described in this report was clearly distinct from L. maculata, which was previously reported in Korean fauna. Three Luidia species have been reported in Korea.

• 천문학회보
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• 제43권2호
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• pp.54.1-54.1
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• 2018

Recent observational studies suggest that the environmental effects can shape the evolution of galaxies in clusters. In an attempt to better understand this process, we perform idealized radiation-hydrodynamic simulations of RAM pressure stripping on star-forming galaxies using RAMSES-RT. We find that extended HI disks are easily stripped by moderate ICM winds, while there is no significant decrease in the total mass of molecular gas. RAM pressure tends to compress the molecular gas, leading to enhanced star formation especially when the gaseous disk is hit by edge-on winds. On the other hand, strong ICM winds that are expected to operate at the centre of clusters strip both HI and molecular gas from the galaxy. Interestingly, we find that the strong ICM winds can induce the formation of relatively dense (~1H/cc) HI gas clouds at a distance from the disk.

• Animal Systematics, Evolution and Diversity
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• 제28권1호
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• pp.36-41
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• 2012

The larvae of Chaoborus are widely distributed in lakes, ponds, and reservoirs. These omnivorous Chaoborus larvae are crucial predators and play a role in structuring zooplankton communities, especially for small-sized prey. Larvae of Chaoborus are commonly known to produce predator-induced polyphenism in Daphnia sp. Nevertheless, their taxonomy and molecular phylogeny are very poorly understood. As a fundamental study for understanding the role of Chaoborus in predator-prey interactions in a freshwater ecosystem, the molecular identification and phylogenetic relationship of Chaoborus were analyzed in this study. A molecular comparison based on partial mitochondrial cytochrome oxidase I (COI) between species in Chaoborus was carried out for the identification of Chaoborus larvae collected from 2 localities in Korea. According to the results, the Chaoborus species examined here was identified as C. flavicans, which is a lake-dwelling species. Furthermore, partial mitochondrial genome including COI, COII, ATP6, ATP8, COIII, and ND3 were also newly sequenced from the species and concatenated 5 gene sequences excluding ATP8 with another 9 dipteran species were compared to examine phylogenetic relationships of C. flavicans. The results suggested that Chaoborus was more related to the Ceratopogonidae than to the Culicidae. Further analysis based on complete mitochondrial DNA sequences and nuclear gene sequences will provide a more robust validation of the phylogenetic relationships of Chaoborus within dipteran lineages.

• 천문학회보
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• 제41권2호
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• pp.39.2-40
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• 2016

The molecular gas surrounding an H II region is thought to be a place where star formation can be induced. Such triggered star formation can arise form the overpressurization of existing density enhancements or thought the collapse of a swept up layers of material. In this talk, We will discuss the results of a study of star-formation activity associated with the outer Galaxy ring-shaped H II regions KR 7, KR 81, KR 120 and KR 140 using archival Spitzer and WISE data along with the JHK observations. We used CO data cubes from the FCRAO and TRAO in order to define extent of the molecular cloud associated each HII region. Using the infrared data sets, We identified and classified YSO populations within each molecular cloud using measures such as the class I/II ratio and YSO spatial density. Along with this, one of the main question in the study of star formation is how protostar accrete material from their parent molecular clouds and observations of infall motions are needed to provide direct evidence for accretion. Combining our observation of the YSO population distribution with time scales associated with YSO evolution and HII expansion, we investigated the possible significance of triggered star formation in the molecular cloud surrounding each region.