水分与氮素及其互作调控小麦产量和水氮利用效率研究进展

刘颖, 顾昀怿, 张伟杨, 杨建昌

Research Advances in the Effects of Water and Nitrogen and Their Interaction on the Grain Yield, Water and Nitrogen Use Efficiencies of Wheat

Liu Ying, Gu Yunyi, Zhang Weiyang, Yang Jianchang

图1 小麦光合作用与氮素吸收利用模式图 (a) ATP：腺嘌呤核苷三磷酸；ADP：腺苷二磷酸；Pi：磷酸根；[H]：还原氢；NADP+：烟酰胺腺嘌呤二核苷磷酸（氧化态）；NADPH：还原型烟酰胺腺嘌呤二核苷酸磷酸；Rubisco：核酮糖-1，5-二磷酸羧化酶/加氧酶；RUBP：1，5-二磷酸核酮糖；PGA：3-磷酸甘油酸；PGP：磷酸甘油磷酸酶；GOX：乙醇酸氧化酶；AGT：丙氨酸乙醛酸转氨酶；GGT：乙醛酸氨基酸转移酶；GDC：甘氨酸脱羧酶；HPR1：过氧体羟基丙酮酸还原酶；NADH：烟酰胺腺嘌呤二核苷酸（还原态）；GLYK：甘油酸3-激酶。(b) NR：硝酸还原酶；NiR：亚硝酸还原酶；GOGAT：谷氨酸合成酶；GS：谷氨酰胺合成酶；AS：天冬酰胺合成酶。图1根据文献[82]绘制

Fig.1 Model of photosynthesis and nitrogen uptake and utilization in wheat (a) ATP: adenosine triphosphate; ADP: adenosine diphosphate; Pi: phosphate; [H]: reduced hydrogen; NADP+: nicotinamide adenine dinucleotide phosphate (oxidized); NADPH: reduced nicotinamide adenine dinucleotide phosphate; Rubisco: ribulose-1,5-bisphosphate carboxylase/oxygenase; RUBP: ribulose- 1,5-diphosphate; PGA: 3-phosphoglycerate; PGP: phosphoglycerate phosphatase; GOX: glycolate oxidase; AGT: alanine glyoxylate transaminase; GGT: glyoxylate amino acid transferase; GDC: glycine decarboxylase; HPR1: peroxisome hydroxypyruvate reductase; NADH: nicotinamide adenine dinucleotide (reduced state); GLYK: glyceric acid 3-kinase. (b) NR: nitrate reductase; NiR: nitrite reductase; GOGAT: glutamate synthase; GS: glutamine synthetase; AS: asparaginase. Figure 1 was plotted according to reference [82]