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照光小麦叶片内同时进行着光合碳、氮代谢过程能量和还原力的竞争，因此有必要调节能量和还原力在碳水化合物和氨基酸合成之间的分配。在光合碳、氮代谢平衡的调节中，磷酸烯醇式两酮酸核化酶（PEPCasc，EC4．1．1．31）、蔗糖磷酸合成酶（SPS，EC2．4．1．14）和硝酸还原酶（NR，EC1．6．6．1）的作用非常重要。磷酸化／脱磷酸化作用是小麦叶片内三种酶短期活性调节的主要形式。
It is necessary to adjust the distribution of energy and reducing power between the synthesis of carbohydrates and amino acids in the competition of photosynthetic carbon and nitrogen metabolism process energy and reducing power in the light-emitting wheat leaves. Phosphoenolpyruvate oxidase (PEPCasc, EC 4.1.1.31), sucrose phosphate synthase (SPS, EC 2.4.1.14) and nitric acid The role of reductase (NR, EC 1.6.6.1) is very important. Phosphorylation / dephosphorylation is the major form of short-term activity regulation of three enzymes in wheat leaves.