[黄化玉米叶片转绿过程中NADP-苹果酸脱氢酶的生物合成]
[Biosynthesis of NADP-malate dehydrogenases in greening etiolated maize leaves].
作者信息
Karpova R N, Persanov V M, Karpilov Iu S
出版信息
Biokhimiia. 1978 Sep;43(9):1636-9.
PMID:719066
Abstract
The activities of NADP-dependent malate dehydrogenases in greening etiolated maize leaves were studied. "Malic" enzyme (EC 1.1.1.40) in bundle sheath cells developed slower as compared to NADP-malate dehydrogenase synthesizing malic acid in mesophyll chloroplasts. The increase in "malic" enzyme activity in the light was suppressed by protein synthesis inhibitors--chloramphenicol and cycloheximide. Possible localization of enzyme protein synthesis is discussed.
摘要
对黄化玉米叶片转绿过程中依赖NADP的苹果酸脱氢酶的活性进行了研究。与叶肉叶绿体中合成苹果酸的NADP - 苹果酸脱氢酶相比，维管束鞘细胞中的“苹果酸”酶（EC 1.1.1.40）发育较慢。光下“苹果酸”酶活性的增加受到蛋白质合成抑制剂——氯霉素和环己酰亚胺的抑制。文中讨论了酶蛋白合成可能的定位。
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