C-4 pathway enzymes in soybean leaves
文献类型: 外文期刊
第一作者: Li, WH
作者: Li, WH;Lu, QT;Hao, NB;Ge, QY;Zhang, QD;Du, WG;Kuang, TY
作者机构:
关键词: soybean;PEPCase/RuBPCase;C-4 pathway enzymes;yielding potential
期刊名称:ACTA BOTANICA SINICA ( 影响因子:0.599; )
ISSN: 0577-7496
年卷期: 2001 年 43 卷 8 期
页码:
收录情况: SCI
摘要: High-yielding soybean (Glycine max (L.) Merr.) variety, "Heinong 40", and one control variety, "Heinong 37", were used as experimental materials. The activities Of C-4 pathway enzymes, i.e. PEPCase (phosphoenolpyruvate carboxylase), NADP-ME (NADP-malic enzyme), NADP-MDH (NADP-malate dehydrogenase), PPDK (pyruvate phosphate dikinase) and RuBPCase (ribulose-1.5-bisphosphate carbozylase) were assayed at seedling, blooming, pod-bearing and pod-filling stage. The results indicated that C4 pathway enzymes were expressed differently at different developing stages in both varieties of soybean, but the ratio of PEPCase and RuBPCase showed that the expression of C4 pathway enzymes of "Heinong 40" was higher than those of "Heinong 37" at each stage. The results showed that C4 pathway enzymes were closely related to the crop yielding potential. Therefore, it is possible to select potentially high-yielding soybean variety by the expression Of C4 pathway enzymes.
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