白菜型冬油菜RuBisCo蛋白亚基基因rbcL和rbcS的克隆及其在干旱胁迫下的表达

米超,赵艳宁,刘自刚,陈其鲜,孙万仓,方彦,李学才,武军艳

Cloning of RuBisCo Subunits Genes rbcL and rbcS from Winter Rapeseed (Brassica rapa) and Their Expression under Drought Stress

Chao MI,Yan-Ning ZHAO,Zi-Gang LIU,Qi-Xian CHEN,Wan-Cang SUN,Yan FANG,Xue-Cai LI,Jun-Yan WU

表2 干旱胁迫对白菜型冬油菜‘陇油7号’光合气体交换参数及RuBPcase活性的影响

Table 2 Photosynthetic gas exchange parameters and RuBPcase activity of winter rapeseed ‘Longyou 7’ under drought stress

处理 Treatment 气孔导度 Gs (mol H2O m-2 s-1) 胞间CO2浓度 Ci (μmol mol-1) 蒸腾速率 Tr (mmol H2O m-2 s-1) 净光合速率 Pn (μmol CO2 m-2 s-1) RuBPCase activity (μmol m-2 s-1) CK 0.29±0.01 a 330.4±6.65 b 6.63±0.18 a 0.90±0.04 a 35.05±0.91 a MR 0.15±0.01 b 395.7±3.33 a 2.96±0.23 b 0.47±0.11 b 18.43±0.56 b