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Young-Il Seo(서영일),Joo-Il Kim(김주일),Taeg-Yun Oh(오택윤),Sun-Kil Lee(이선길),Jong-Hwa Park(박종화),Hee-Yong Kim(김희용),Eun-Seob Cho(조은섭) 한국생명과학회 2010 생명과학회지 Vol.20 No.3
본 연구는 2008년에서 2009년 동안 속초, 월성, 거제도, 여수, 거문도, 서남해역에서 채집된 대구어미를 대상으로 유전적 집단구조를 조사했다. 시험에 사용된 28 마리 중에서 8 종류의 haplotype이 발견되었다. 상호 유전자 비교시 0.2-2.2% 범위에서 유전자 변이율을 볼 수 있었다. Ga1 haplotype은 월성, 거제도, 여수, 거문도, 서남해역에서 모두 발견된 haplotype으로 우리나라 대구의 가장 대표적인 haplotype인 것으로 추측된다. 그러나 Ga2, Ga3, Ga6, Ga7 haplotype은 속초에서만 나타났다. 또한 유전자 상호관계 분석에서도 속초에서 나타난 haplotype은 독립적인 개체군을 형성하고 있으면 다른 haplotype과의 유연 성립율은 50% 이하로 나타났다. 속초를 제외한 나머지 지역의 지역적 유전거리는 -0.0123에서 -0.0423이면 유전적 이동률은 거의 무한대로 보여 동일한 집단을 형성하고 있는 것으로 보였다. 그러나 속초와는 현저한 유전적 거리를 나타내고 있고, 속초의 유전적 다양성이 가장 낮게 나타나서 속초의 대구 개체군은 소형임과 아울러 다른 지역관의 유전적 이동이 거의 차단된 것으로 보인다. 따라서 우리나라에서 어획되는 대구 계군은 속초를 제외하고 활발한 유전적 이동으로 동일한 유전적 집단을 형성하고 있는 것으로 보인다. To assess population structure and genetic diversity among the Pacific cod (Gadus macrocephalus), we investigated mtDNA COI gene sequences of 7 populations. Samples were obtained from Sokcho, Wolsung, Geojedo, Yeosu, Geomundo and Westsouth in 2008 and 2009 (n=28). The sequence analysis of 28 individual samples showed 8 haplotypes, ranging in sequence divergence by pairwise comparisons from 0.2 to 2.2% (1 bp 11 bp). The Ga1 haplotype was found in Wolsung, Geojedo, Yeosu, Geomundo and Westsouth, and was regarded as the main haplotype of Korean Pacific cod. Ga2, Ga3, Ga6 and Ga7 haplotypes were found only in Sokcho. In the PHYLIP analysis, 8 haplotypes formed two independent groups: cladeA consisted of Ga2, Ga3, Ga6 and Ga7 haplotypes, whereas cladeB contained Ga1, Ga4, Ga5 and Ga8 haplotypes. The genetic relationship between the two groups was weakly supported by bootstrap analysis (<50%). In pairwise comparisons between 6 populations other than that from Sokcho, a very high per generation migration ratio (Nm=infinite) and a very low level of geographic distance (FST=-0.0123-(-0.0423)) were observed. The estimates of genetic distance between Sokcho and the other localities were all statistically significant (p<0.05, p<0.01, p<0.001), indicating a limited mtDNA-based gene flow between Sokcho and other regions. The finding of the lowest genetic diversity in the Sokcho population (nucleotide diversity=0.00589) may be a result of relatively small population size and interrupted gene flow to other localities. Consequently, the overall considerable migration of Pacific cod population in Korea caused a genetically homogeneous structure to form, although a distinct population was found in this study.
각망을 이용한 금오열도 주변해역 전갱이의 연안가입특성 연구
김희용 ( Hee Yong Kim ),최문성 ( Mun Seong Choi ),서영일 ( Young Il Seo ),이선길 ( Sun Kil Lee ),차형기 ( Hyung Kee Cha ) 한국어업기술학회 2011 수산해양기술연구 Vol.47 No.4
Species composition of fishes and the recruitment properties of jack mackerel, Trachurus japonicus, in the waters around the Geumo Islands in the mid-South Sea were investigated by using both sides fyke nets every month from February to December 2010. During study period, a total of 30,503 fishes (1,380.4 kg) were collected and classified into 2 classes, 16 orders, 61 families and 121 species. The dominant species was jack mackerel occupying 80.5% of total individuals and 44.4% of total biomass. The fork length range of jack mackerel was 5.5-26.8 cm and individuals about 6 cm was appeared only in the middle and southern area of the Geumo Islands in May. The new recruitment of jack mackerel appeared from May in the waters around the Geumo Islands is probably caused by the warm water intrusion associated with the development of stratification due to the extinction of seasonal coastal cold waters by the increase of solar radiation heat. Furthermore, the jack mackerels less than 6 cm recruiting in the mid-South Sea in spring were considered as mixed ones by individuals spawned in the East China Sea and in the waters around the Jeju Island considering the collected time, migration period and spawning time of them.
한국 남해안 문치가자미, Pleuronectes yokohamae (Gunther)의 연령과 성장
김희용 ( Hee Yong Kim ),허선정 ( Sun Jung Huh ),김성태 ( Sung Tae Kim ),서영일 ( Young Il Seo ) 한국수산해양기술학회 2015 수산해양기술연구 Vol.51 No.1
The age and growth of the Marbled sole, Pleuronectes yokohamae were investigated using left sagittal otoliths of 832 individuals collected in the mid-southern waters of Korea from January 2006 to April 2007. The seasonal changes in the ratio of an translucent zone to interval between annular rings revealed that the boundaries between translucent and opaque parts of the otolith were annual growth rings formed between May and June once a year. The spawning period was November to March and therefore the duration from fertilization to the complete formation of the annual growth ring became fifteen months. The parameters of von Bertalanffy growth equations estimated using the average standard length at each age are the L∞ of 48.04cm, K of 0.1406/year and t0 of -0.5116 for female and 26.14cm, 0.3056/year and -0.8202 for male, respectively. Finally, it is suggested that the growth of female is faster than that of male from age-2.
한국 남해에 서식하는 갯장어, Muraenesox cinereus (Forsskal)의 생식생태
차형기 ( Hyung Kee Cha ),서영일 ( Young Il Seo ),오택윤 ( Taeg Yun Oh ),김희용 ( Hee Yong Kim ),이선길 ( Sun Gil Lee ),최문성 ( Mun Sung Choi ) 한국어업기술학회 2012 수산해양기술연구 Vol.48 No.3
Reproductive ecology of the sharp toothed eel, Muraenesox cinereus was investigated based on the samples captured in southern Korean waters from January 2010 to December 2011. Gonadosomatic index began to increase in April, and reached maximum between July to August. After spawning it began to decrease from October. Reproductive season was estimated to April-September, with peak in July. Fecundity was proportional to the size of the female, with the clutch size varying from 56,000 eggs in the smallest female anal length, 27.0cm) to 1,400,000 eggs in the largest (anal length, 49.5cm). Size at 50% sexual maturity AL50), determined from mature females, were 21.9cm. Annual reproductive cycles of this species could be divided into four successive stages; immature stage (October-February), maturing stage (March-May), mature stage (June-August) and spent stage (August-October).
난소암 환자에서 Paclitaxel 사용 후에 유발된 피부경화증 1예
김호중 ( Ho Joong Kim ),서영일 ( Young Il Seo ),권영석 ( Young Seok Kwon ),김용민 ( Yong Min Kim ),박은주 ( Eun Ju Park ),김현아 ( Hyun Ah Kim ) 대한류마티스학회 2011 대한류마티스학회지 Vol.18 No.2
Paclitaxel takes effects as an anti-neoplastic agent by interfering with microtubules and then blocking cell growth. It has been used to treat patients with lung, ovarian, breast, head and neck cancer, and advanced forms of Kaposi`s sarcoma. Along with its reputation as an effective chemotherapeutic drug, paclitaxel has numerous adverse effects. Among them, cutaneous adverse effects of paclitaxel include pruritis, bullous fixed eruption, onycholysis, and transient erythrodysesthesia. Only several cases of scleroderma- like lesions have been reported throughout the world, and in Korea, only one case of paclitaxel induced scleroderma has been reported in 2006. We report a case of paclitaxel induced scleroderma in an 83-year old woman with ovarian cancer. After administration of paclitaxel and cisplatin, the patient presented with edema in both brachial areas, Raynaud`s phenomenon, and sclerotic skin lesions in both extremities.
여수 연안의 숭어 (Mugil cephalus) 자원평가 및 진단
박희원 ( Hee Won Park ),서영일 ( Yong Il Seo ),김희용 ( Hee Yong Kim ),장창익 ( Chang Ik Zhang ) 한국수산해양기술학회 2015 수산해양기술연구 Vol.51 No.3
This study was performed to estimate biomass and to provide management plan through population ecological characteristics, including survival rate, instantaneous coefficient of natural and fishing mortalities, and age at first capture of Flathead grey mullet, Mugil cephalus, in the coastal waters of Yeosu. Survival rate (S) of the flathead grey mullet was 3.671. The instantaneous coefficients of natural mortality (M) and fishing mortality (F) was estimated to be 0.325 /year, 0.962 /year for flathead grey mullet. Also fist capure age of flathead grey mullet was 3.61year. The current biomass of the flathead grey mullet in the study area was estimated to be 19.6 M/T and F0.1 and F40% were estimated 0.340 /year, 0.225 /year. For the stock assessment result, flathead grey mullet was not overfished but overfishing.
이선길 ( Sun Kil Lee ),서영일 ( Young Il Seo ),김주일 ( Joo Il Kim ),김희용 ( Hee Yong Kim ),최문성 ( Mun Sung Choi ) 한국어류학회 2011 韓國魚類學會誌 Vol.23 No.3
To investigate seasonal and yearly variation of fishes composition in Yeoja Bay of Korea, fisheries survey were carried out using beam trawl from 2006 to 2009. A total of 44 fish species were collected. The major dominant species were Pennahia argentatus, Thryssa adelae, Thryssa kammalensis and Cynoglossus joyneri, which were occupied over 63% total individuals, and 50% of wet weight. The diversity index (H`) was about 1.62 (1.46~1.77) by seasons, and seasons of similarity by fishes were divided into two groups, which were March with December and June with September. ANOVA test showed that there were not significant difference between individuals and catch weight (kg) per unit area (km2) by year and season, except for catch weight per unit area by season.