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Dunaliella tertiolecta의 葡萄糖酸化와 酸化酵素系(Ⅱ)

Glucose Oxidation and It´s Oxidative Enzyme Systems in Dunaliella tertiolecta(Ⅱ)

한국식물학회지 1969년 12권 2호 p.15 ~ 22
권영명,
소속 상세정보
권영명 (  ) - 서울대학교 생약연구소

Abstract

Dunaliella tertiolecta와 Chlorella pyrenoidosa의 cell-free extracts를 使用한 實驗에서; Hexokinase,
Glucose-6-phosphate dehydrogenase, 6-phosphogluconate dehydrogenase, Transketolase, Phosphogluco isomerase, Phosphoglucomutase, Phosphofructokinase, Fructosediphosphate aldolase, Triosephosphate dehydrogenase의 存在를 確認하고, Ribosephosphate isomerase와 Ribulosephosphate 3-epimerase의 存在를 認定할 수 있었다.
兩材料에서 各酵素의 活性을 比較할 때 重要한 差異는 없었고, NADP가 存在하는 cell-free system에서는 pentose phosphate pathway가 glycolytic pathway보다 높은 活性을 갖고 長時間 反應이 계속 될 수 있음을 알 수 있었다.

By spectrophotometric assay method, the following enzymes could be detected in Dunaliella tertiolecta and Chlorella pyrenoidosa cell-free extracts: Hexokinase; Glucose-6-phosphate, 6-Phosphogluconate and Triosephosphate dehydrogenase; Transketolase; Phosphogluco and Ribosephosphate isomerase; Phosphoglucomutase; Phosphofructokinase; Fructosediphosphate aldorase and Ribulosephosphate 3-epimerase. Such enzymes are in accordance with the proposed pathway of glucose catabolism by D. tertiolecta as well as C. pyrenoidosa. Also, it could be estimated, under the presence of NADP, that pentose phosphate pathway were more active than glycolytic pathway in D. tertiolecta cell-free systems.

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