LIGHT-INDUCED CIRCADIAN-RHYTHMS IN NADP+-GLYCERALDEHYDE-3-PHOSPHATE DEHYDROGENASE MESSENGER-RNA IN CORN SEEDLINGS

被引：8

作者：

LILLO, C

机构：

来源：

JOURNAL OF INTERDISCIPLINARY CYCLE RESEARCH | 1993年 / 24卷 / 01期

关键词：

CIRCADIAN RHYTHMS; DIURNAL VARIATIONS; MESSENGER RNA; NADP+-GLYCERALDEHYDE-3-PHOSPHATE DEHYDROGENASE; ZEA-MAYS;

D O I：

10.1080/09291019309360196

中图分类号：

R-3 [医学研究方法]; R3 [基础医学];

学科分类号：

1001 ;

摘要：

Chloroplast GAPDH (NADP+-glyceraldehyde-3-phosphate dehydrogenase) (EC 1.2.1.13) is one of the photosynthetic enzymes which make up the set of reactions responsible for carbon fixation in plants. We here report that fully expanded green corn leaves showed diurnal variations in GAPDH mRNA level as well as enzyme activity in response to light:dark cycles. In continuous bright light the mRNA, but not the enzyme activity rhythm persisted. This is the first time a circadian rhythm in GAPDH mRNA level is reported; the existence of light-driven rhythms in higher plants is thus further established.

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页码：65 / 71

页数：7

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