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최강국,윤숙경,김희식,안치용,오희목 한국환경생물학회 2012 환경생물 : 환경생물학회지 Vol.30 No.1
This study characterizes three Anabaena strains and 5 Trichormus strains isolated from Korean waters and 3 Anabaena flos-aquae strains procured from the UTEX based on morphological features and molecular analyses. The Anabaena and Trichormus isolates were morphologically assigned to A. variabilis Kützing and T. variabilis (Kützing ex Bornet et Flahault) Komárek et Anagnostidis, respectively. The Anabaena and Trichormus strains differed significantly in the mean length of their vegetative cells. The 16S rRNA genes from the Anabaena strains showed a 100% identity to that from A. variabilis ATCC 29413, while the 16S rRNA genes from the Trichormus strains showed a 99.9% identity to that from T. variabilis GREIFSWALD. The overall topology was in agreement for the 16S rRNA gene and cpcBA-IGS trees in the both tree-constructing methods. In a neighbor-joining tree based on the 16S rRNA gene, the 3 Anabaena strains were asso-ciated with A. variabilis, the 5 Trichormus strains with T. variabilis, and the 3 Anabaena (UTEX) strains were with Nostoc. To date, this is the first report on A. variabilis and T. variabilis strains originating from Korea.
cpcBA-Intergenic Spacer Region을 이용한 Cyanobacteria의 다양성 분석
최강국,박용하,안치용,배명숙,오희목,Choi Gang-Guk,Park Yong-Ha,Ahn Chi-Yong,Bae Myoung-Sook,Oh Hee-Mock 한국미생물학회 2005 미생물학회지 Vol.41 No.4
The cyanobacterial diversity was analyzed by restriction fragment length polymorphism (RFLP) of PCR-amplified rpcBA-Intergenic Spacer (IGS) genes and cpcBA-IGS gene sequencing with a sample collected at Chuso-ri in Daechung Reservoir on March 15, 2005, The Shannon-Weiner diversity index was 0.65, indicating that the cyanobacterial community structure was simple. PCR-RFLP profiles obtained were Phormidium spp. (58 clones), Anabaena spp. (14 clones), Microcystis spp. (4 clones), Spirulina sp. (1 clone) and uncultured cyanobacteria (2 clones). The PCR-RFLP of cpcBA-IGS revealed that Phormidium spp. and Anabaena spp. dominated in the invested sample. As a consequence, it seems that the analysis of functional genes such as cpcBA-IGS can be used for the species identification and community analysis of cyanobacteria. 대청호에서 수화 발생이 빈번한 추소리 수역에서 2005년 3월 15일에 채취한 시료를 대상으로 유전자 분식에 의한 cyanobacteria의 다양성을 조사하였다. rpcBA-Intergenic Spacer (IGS)는 cyanobacteria에 특징적 색소인 phycocyanin을 합성하는 유전자와 유전자 사이의 부분으로, 환경시료에서 cyanobacteria의 다양성을 조사하기에 매우 유용한 기능 유전자이다. cpcBA-IGS를 이용하여 restriction fragment length polymorphism (RELP)으로 cyanobacteria의 다양성을 분석한 결과 Phomidium 속은 58 clones, Anabaena 속은 14 clones, Microcyxtis 속은 4 clones, Spirulina 속은 1 clone 그리고 uncultured cyanobacteria 2 clones가 존재하였다. 전반적으로 Phormidium 속이 우점하였으며, 여름철에 수화를 일으키는 Anabaena 속과 Microcystis 속도 많이 분포하였다. 따라서 cyanobacteria는 cpcBA-IGS와 같은 기능 유전자에 의한 종 동정 및 군집분석이 가능함을 보였다.
최강국,Cho Jayun,이민아,Eun Soo Min,Jeon Yang Bin 대한외상학회 2022 大韓外傷學會誌 Vol.35 No.-
Penetrating neck injuries are a surgical challenge. In particular, penetrating neck injuries associated with carotid artery injuries have a high mortality rate. Overt external hemorrhage is unanimously considered as an indication for surgical exploration. The authors present a case of successful surgical management for a penetrating common carotid artery injury using a Pruitt-F3 Carotid Shunt (LeMaitre Vascular Inc., Burlington, MA, USA) in a 60-year-old male patient who was transferred to the level 1 trauma center due to a metal fragment piercing his neck while working. Active pulsatile bleeding was observed from the 3-cm-long external wound on the anterior neck in zone II. Emergent neck exploration showed near-total transection of the left common carotid artery just below the carotid bifurcation. After a Pruitt-F3 Carotid Shunt was applied to the injured carotid artery as a temporary vascular shunt, artificial graft interposition was performed for the injured common carotid artery. The patient experienced cerebral infarction as a complication caused by ischemia-reperfusion of the common carotid artery but was discharged in a suitable state for rehabilitation therapy.
복부 전산화 단층촬영으로 진단된 충수돌기 출혈 1예:증례와 문헌 고찰
최강국,박재균,정진호,이종인,문현종,이종훈,신혁재,안형준,박기일,조현근,이상엽,박갑만 대한대장항문학회 2007 Annals of Coloproctolgy Vol.23 No.6
Appendiceal bleeding is a kind of lower gastrointestinal bleeding. For treatment, it is essential to identify the location of the lower gastrointestinal tract bleeding. Appendiceal bleeding has some diagnostic difficultie. It is a very rare condition, and colonoscopy shows only the appendiceal orfice. Recently, multidetector computed tomography has increasingly been used in the diagnostic evaluation of most vascular diseases. Herein, we report the case of an appendiceal bleeding diagnosed by using abdominal multidetector computed tomography, and we present a the literature.