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방사성옥소(<sup>131</sup>I)가 Guinea pig의 난소조직과 자궁조직에 미치는 영향
이흥식,이강욱,신광순,Lee, Heung Shik,Lee, Kang Wook,Shin, Kwang Soon 대한수의학회 1973 大韓獸醫學會誌 Vol.13 No.1
This experiment was performed in order to investigate the effect of radioiodine upon the uterus and the ovary of guinea pigs. The animals were injected single dose of 4. 5 mCi of radioiodine per kg of body weight. They were sacrificed on various time intervals; 1, 7, 14, 28, 42 and 56 days after the injection. The results were as follows: 1. In the ovary, the follicle cells and the ova were degenerated with lapse of time after the injection. 2. In the uterus, hyperplasia of the lamina propria of the endometrium and atrophy of the myometrium were observed in accordance with time after the injection.
한국분리산 PRV-Ba를 이용한 가토 안구지배신경의 추적 연구
박일권,김무강,신광순,이경열,송치원,이강이,현병화,장규태,정영길,Park, Il-kwon,Kim, Moo-kang,Shin, Kwang-soon,Lee, Kyung-youl,Song, Chi-won,Lee, Kang-iee,Hyun, Byung-hwa,Chang, Kyu-tae,Jeong, Young-gil 대한수의학회 2000 大韓獸醫學會誌 Vol.40 No.3
Until now peudorabies virus(PRV) has been used a neurotracer, because of it's properties of retrograde & anterograde transport. But it's anterograde transfort is not perfect, so we tested the applicability of the Bartha strain of PRV(PRV-Ba) isolated from South Korea as a neurotracer in the visual system. We performed immunohistochemical study of the rabbit brain after intravitreal injection of the PRV-Ba. After given survival time(24, 48, 72, 96, 120, 144hrs), the brain was removed and processed immunohistochemical stain for PRV-Ba. The strong PRV immunoreactivity(PRV-ir) were almost oberserved contralaterally in oculomotor neurons, fro example Edinger-Westphal nucleus, trigerminal nucleus of pons and peritrigerminal zone but locus of innervating sensitive neurons. The latter were weak positive and selective. PRV-Ba immunoreactive neurons were stained strongly in nucleus compared to cytoplasm. This study suggests that PRV-Ba isolated from South Korea is also a useful neurotracer in the motor innervated system like other PRV-strain.
박지용,김철중,신광순,김원용,강신영,박용호,한혜정,박용하,Park, Ji-yong,Kim, Chul-joong,Shin, Kwang-soon,Kim, Won-yong,Kang, Shien-young,Park, Yong-ho,Han, Hae-jung,Park, Yong-ha The Korean Society of Veterinary Science 1995 大韓獸醫學會誌 Vol.35 No.3
Coronaviridae에 속하는 transmissible gastroenteritis virus(TGEV)와 porcine epidemic diarrhea virus(PEDV)를 specific하게 detection할 수 있는 방법을 개발하고자 본 연구를 수행하였다. 두 바이러스 모두 RNA 바이러스이기 때문에 reverse transcription-polymerase chain reaction(RT-PCR)으로 nucleocapsid(N) protein gene의 cDNA를 증폭시켰다. SmaI으로 처리한 pTZ19R에 ligation시킨 후 염기서열을 밝히고자 sequencing하였다. 각각의 prototype virus와 비교하여 상동성을 밝혔다. 두 바이러스에 대한 cDNA probe를 제작하여 Southern blot hybridization을 실시하였다. TGEV의 경우 백신주인 P45와 병독주인 Miller strain을 사용하였다. cDNA를 증폭시키기 위해 N1/N1R과 N2/N2R 두 가지 primer를 이용한 결과, N1/N1R primer의 경우 586bp 크기의 PCR product를 얻을 수 있었고, N2/N2R primers로 582bp의 cDNA를 증폭시킬 수 있었다. PEDV 실험을 위하여 PED 임상 증상을 나타내는 분변을 이용하여 RT-PCR을 실시하였다. P2/P2R primer로 753bp의 PCR product를 얻을 수 있었다. TGEV의 두 가지 strain의 N protein gene을 sequencing하여 prototype인 Purdue strain과 염기서열 상동성을 조사한 결과, 97%이상의 높은 homology를 나타내었다. PED-V 역시 N protein gene을 sequencing하여 CV777과 염기서열 상동성을 조사한 결과 97%이상의 homology로 PEDV임을 알 수 있었다. TGEV와 PEDV의 염기서열을 비교한 결과 29%의 낮은 homology를 관찰할 수 있었다. 두 가지 바이러스의 N protein gene에 대한 cDNA probe를 제작하여 Southern blot hybridization을 한 결과, 각 바이러스에 매우 특이적 반응을 나타내었다.
SefA 유전자 PCR에 의한 Salmonella serogroup D1의 특이적 검출
전무형,김태중,장경수,강경임,김귀현,김기석,유상식,김현수,신광순,김철중,Jun, Moo-hyung,Kim, Tae-joong,Chang, Kyung-soo,Kang, Kyong-im,Kim, Kui-hyun,Kim, Ki-seok,Yoo, Sang-sik,Kim, Hyun-soo,Shin, Kwang-soon,Kim, Chul-joong 대한수의학회 1999 大韓獸醫學會誌 Vol.39 No.3
Sal enteritidis thin fimbriae, SEF14, were found to be restricted to the predominantly poultry-associated members of the Salmonella serogroup D1 that are considered as the important pathogens in poultry industry. SefA together with sefB and sefC encode the proteins involved in SEF14 biosynthesis. In order to develop the rapid and specific detection methods for Salmonella serogroup D1, a PCR technique for the amplification of sefA gene was established, and its specificity and sensitivity were investigated with various microorganisms. The bacterial genomic DNA was extracted by colony-picking and rapid boiled-lysate technique. In comparison of Sef I and Sef II primers used in the PCR, Sef I primer for sefA gene of 513bp showed higher specificity than that of Sef II. The established PCR was as sensitive as to detect 1pg of Sal enteritidis DNA. When 73 strains in 28 genera including the reference strains and the field isolates of various Salmonella serotypes, Bacillus subtilis, Bordetella bronchisepdca, E coli, Listeria spp., Micrococcus luteus, Rhodococcus equi, Staphylococcus spp., Streptococcus spp., Vibrio parahemolyticus, Yersinia spp. were studied, the established PCR yielded specifically positive results with only Salmonella serogroup D1. The results suggested that the PCR for sefA gene could be a potential candidate among the specific detection methods for Salmonella serogroup D1.
돼지 우리 깔집용 왕겨에서의 ochratixin A 검출
이문한(Mun Han Lee),박진봉(Jin Bong Park),박응복(Eung Bok Park),이영재(Young Jae Lee),신광순(Kang Soon Shin),박종명(Jong Myung Park),남궁선(Sun Nam gung),조준형(Joon hyoung Cho),박근식(Keun Sik Park),권택석(Tae Seok Kwon),이재구(Jae 한국예방수의학회 1992 예방수의학회지 Vol.16 No.1
A sporadic incidence of porcine nephropathy suspecting mycotoxicosis was encountered in piglets of a farm. TLC and HPLC were employed to identify, confirm and quantitate the causative mycotoxin in animal feeds and rice chaffs used as floor beddings of the pigpens. As a result, ochratoxin A was detected in the rice chaffs on floor beddings with concentrations of 22.4 ppb-1.17 ppm, and the rice chaffs stocked to be used were also contaminated with ochratoxin A at levels of 89.1-997ppb. In conclusion, the porcine nephropathy was caused by ochratoxin A contaminated in the rice chaffs used as floor beddings for the piglets.