인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
개인구독
소속 기관이 없으신 경우, 개인 정기구독을 하시면 저렴하게
논문을 무제한 열람 이용할 수 있어요.
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 1996.6
- 수록면
- 270 - 275 (6page)
이용수
초록· 키워드
Heterologous expression of glucose oxidase gene using recombinant yeast has been carried out. Polymerase chain reaction was conducted to obtain the gene encoding glucose oxidase from Aspergillus niger and sequence comparison indicated the cloned 1.9kb DNA fragment appeared to be the glucose oxidase structural gene containing a signal sequence for extracellular location. Transforming shuttle vector was constructed with YEp352 to express the cloned glucose oxidase gene under the control of either GAL1 or GAL10 promoter. Plate assay of recombinant yeasts has shown that GAL1 promoter was more effective in yielding glucose oxidase than GAL10 promoter. Among the five different concentrations of galactose tried, 1% galactose showed the highest induction of glucose oxidase. Cellular localization experiment of recombinant enzyme using spheroplast revealed that most of enzymes(80%) were secreted into culture media in contrast to A. niger. There is no difference in heat-stability of recombinant enzyme up to 50°C compared to the glucose oxidase from A. niger. However, a dramatic reduction of enzyme activity was observed in both enzymes at 60°C.
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목차
- ABSTRACT
- 서론
- 재료 및 방법
- 결과 및 고찰
- 요약
- 참고문헌
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UCI(KEPA) : I410-ECN-0101-2014-400-002850212