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RISS 인기검색어
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- 저자 : 이영녹(Young Nok Lee) (검색결과 3 건)
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시금치에서 분리한 엽록체의 인산 (燐酸) 대사에 관한 연구
이종삼(Chong Sam Lee),이영녹(Young Nok Lee) 한국식물학회 1976 Journal of Plant Biology Vol.19 No.3
In order to observe the phosphate metabolism in chloroplast, the contents of inorganic phosphate and various compounds in chloroplast from spinach leaf tissues were investigated during the reaction in the light and dark in the reaction mixture and the turnover of phosphate in chloroplast was compared with that of whole cell system: 1. The phosphorus of DNA in chloroplast appears to be transferred from inorganic phosphate, while in whole cell system from phosphate pool. 2. ^32P-phosphate content of acid soluble fraction in chloroplast as well as in whole cell system was more increased in the light than dark during the reaction. It was noted to be caused by the stimulation of sugar phosphate synthesis in the light. 3. It was confirmed that polyphosphate exists in chloroplast as well as whole cell. Acid insoluble polyphosphate content in whole cell system was significantly decreased during the reaction and the similar tendency was also observed in chloroplast. It is, therefore, considered that acid insoluble polyphosphate also play an most important role as a phosphate pool respectively in chloroplast and in cytoplasm. 4. Protein and lipid phosphorus in chloroplast as well as whole cell system were transferred from acid insoluble polyphosphate.
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조성식,이영녹 한국균학회 1980 韓國菌學會誌 Vol.8 No.3
Two hundred and forty specimens of lichens were collected in Mt. Dcokyoo located in Moojoo-Gun, Jeonlabuk-Do during the period of May 1 to September 30, 1979. Among them, 20 species of genus Parmelia are identified by utilizing Yoshimura's key. The following seventeen species of genus Parmelia are newly added to Korean flora: P. piedomoratensis, P. subtamigera, P. mexicana, P. taractica, P. relicina, P. borreri, P. cochleata, P. marmarizia, P. reticulata, P. denegans, P. subaurulenta, P. homogenes, P. subcrinata, P. austrosinensis, P. praesorediosa, P. perlata and P. caperata.
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Cloning and Characterization of Two catA Genes in Acinetobacter lwoffii K24
CHUNG, YOUNG HO,HA, KWON-SOO,LEE, YUNG NOK,KIM, SEUNG IL,PARK, YOUNG-MOK,KIM, SOOHYUN,CHOI, JONG SOON,LEEM, SUN HEE,PARK, YONG KEUN 東亞大學校附設遺傳工學硏究所 1997 遺傳工學硏究 Vol.- No.6
Two novel type I catechol 1,2-dioxygenases inducible on aniline media were isolated from Acinetobacter lwoffii K24. Although the two purified enzymes, CDI₁and CDI₂, had similar intradiol cleavage activities, they showed different substrate specificities for catechol analogs, physicochemical properties, and amino acid sequences. Two catA genes, catA₁and catA₂, encoding by CDI₁ and CD I₂, respectively, were isolated from the A. lwoffii K24 genomic library by using colony hybridization and PCR. Two DNA fragments containing the catA1 and catA₂ genes were located on separate regions of the chromosome. They contained open reading frames encoding 33.4-and 30.4-kDa proteins. The amino acid sequences of the two proteins matched well with previously determined sequences. Interestingly, further analysis of the two DNA fragments revealed the locations of the catB and catC genes as well. Moreover, the DNA fragment containing catA₁ had a cluster of genes in the order catB₁-catC₁-catA₁ while the catB₂-catA₂-catC₂ arrangement was found in the catA₂ DNA fragment. These results may provide an explanation of the different substrate specificities and physicochemical properties of CDI₁ and CDI₂.
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