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지렁이 중장에서 발현되는 Endo-$\beta$-1,4-glucanase의 동정 및 특성에 관한 연구
이명식,조성진,탁은식,허소영,이종애,박범준,조현주,신주옥,박순철,Lee Myung Sik,Cho Sung Jin,Tak Eun Sik,Hur So Young,Lee Jong Ae,Park Bum Joon,Cho Hyun Ju,Shin Chuog,Park Soon Cheol 한국토양동물학회 2003 한국토양동물학회지 Vol.8 No.1,2
지렁이 (Eisenia andrei)의 중장에서 내생의 endoglucanase 유전자의 전체 염기 서열을 동정하였다. ORF의 길이는 1,371 bp이며, 456개의 아미노산으로 번역된다. NCBI에 등록된 가재와 흰개미의 cellulase 및 endo-$\beta$-1, 4-glucanase와 50-51%의 유사성을 보이며, 활성 부위가 잘 보존되어 있었다. 계통수 분석에서는 다른 동물 분류군에서 밝혀진 GHF9 그룹의 cellulase와 근연관계가 없음이 확인되었다. Endogeneous endoglucanase (EC 3.2.1.4) cDNA was cloned from a representative species (Eisenia anderi) of the earthworm family Lumbricidae. Endoglucanase from the midgut of the earthworm is composed of 456 amino acids and belongs to glycosyl hydrolase family 9 (GHF9), sharing high homologies (50-51 %) with those of selected termite and crayfish. This endoglucanase consists of three consensus catalytic domains found in most microbial cellulases. A phylogenetic tree was constructed using the amino acid squence data matched through the BLASTX program and showed that GHF9 families could be divided into four groups of arthropoda, bacteria, plant and annelida.
이명식,김성엽,이준호,Myeongsik Lee,Sung-yeob Kim,Jun ho Lee 한국항공운항학회 2024 한국항공운항학회지 Vol.32 No.2
Improving transportation accessibility on islands is closely related to regional development. Currently, the government is constructing Ulleung Airport as part of the 6th Airport Mid- to Long-term Development Plan. Similar to the case of Jeju Airport in 2016, severe congestion occurs at passenger terminals upon flight resumption after cancellations at airports on islands. Therefore, considering the cancellation rate at island airports is important. This study investigates the conditions leading to increased cancellation rates at Ulleung Airport, with the research results predicting frequent cancellations during the winter season. The research methodology involved examining airport construction plans, aircraft performance, airport de-icing capabilities, and also included consideration of weather conditions. Ulleung Island is a representative snowfall area, and sufficient snow removal capacity must be secured. However, the current plan's snow removal capacity is insufficient, leading to anticipated high cancellation rates. Therefore, measures to mitigate passenger inconvenience caused by increased cancellations and methods to reduce the cancellation rate are explored. With Ulleung Airport scheduled to open in 2027, there is ample time to implement supplementary measures to reduce the cancellation rate and minimize passenger inconvenience.
이명식(Myung Sik Lee) 대구사학회 2001 대구사학 Vol.65 No.1
It might be at the age of Queen Chinseong that the present 5eongju District began to be freed from the rule of the Central Government. And then, it might be inferred, when Later Packjae attacked and occupied 10 castles or so south of II-sung Commencery at the 11th year of King Hyogong, that Seongju began to be influenced by Later Packjae. At that time, however, Later Packjae was unable to keep on holding the territory which it took from Sillla, so the present Seongju District was ruled by the lord who extended his power and called himself a General. After that, it is obvious that Seongju District was influenced againby Later Packjae from about 4th year of King Kyoungmyoung(920 A.D.), equal to the period when Koryeo and Later Packjae was in the rivals each other. But Seongju became to be under the rule of Korea, aftert Ryangmun, General of Pyuckjin Comrnendery, yielded to Koryung in the ?th year of King Kyoungmyoung(924). In the first year of King, Kyoungae(924), Koryeo and Later Packjae committed a battle for a long period at Jomoo Castle, and General Lee in Later Packjae, local gentry in Seongju District, yielded to Koryeo, which turned the battle favorable to Koryeo. After the Battle of Gongsan, offering a route of retreat to King, Wang Keon who lost in the battle, he contributed much to King, Wang Keon, On one hand, when Lee Chong-eon, General of Pyuckjin Commendery, fought against Koryeo at the Battle of Chomul Castle, his son, Lee Young joined in the battle and served greatly to gain victory for Koryeo. King, Wang Keon rewarded him far his distinguished services at the battle, and appointed him as General Boneup and as Samjungdaekwang. What Lee Neung-il had achieved, can be revealed from a lot off history books written at the middle period of Lee Dynasty, but his name, life and achievements are not written in the Samgaoksaki and Koryeosa which are the basic historical materials. Therefore, the writer concluded that Lee Neung-il might be considered as Lee Neung-mun who can be traced and identified from the basic historical documents, who yielded to Koryeo in the second year of King Kyoungae(925) and was appointed as Seangsangun and ruled Kyaungsan Commendery.
Linkage Analysis를 이용한 다발성 내분비 선종 Type 2A의 유전자 진단
이명식 ( Lee Myeong Sig ),이진오 ( Lee Jin O ),강태웅 ( Kang Tae Ung ),이제호 ( Lee Je Ho ) 대한내과학회 1992 대한내과학회지 Vol.42 No.6
Background Multiple endocrine neoplasia type 2A (MEN 2A) gene has been shown to be in linkage with genetic loci near the centromere of chromosome 10. Polymorphic DNA probes for the region are now available permitting the use of restriction fragment length polymorphism (RFLP) to identify carriers of the gene for this disease. We attemped genetic diagnosis of MEN 2A by RFLP analysis of RBP3 and D10S15 loci located near the centromere of chromosome 10. Methods: DNA was extracted from the leukocytes of family members with MEN 2A using phenol-chlorform method, digested with BgⅢ and MspI, subjected to electrophoresis and Southern blotting, and hybridized with radiolabelled IRBP3. H4 and MCK2 probes. Results: 1) A IRBP3 allele yielding 6.3 kb band when digested with BgⅢ was supposed to be in linkage with MEN 2A in this family. 2) Sister of the proband was a homozygote of 6.3 kb band and thought to have MEN 2A gene. 3) RFLP analysis of D10S15 locus after MspI digestion was not contributory to the diagnosis in this family because all family members were homozygous for a D10S15 allele yielding 2 . 4 kb when digested with MspI. Conclusion: RFLP analysis of the loci located near the centromere of chromosome 10 would make presymptomatic diagnosis of MEN 2A possible.