大环内酯类和高表达玉米C4-PEPC基因对水稻耐旱性的影响
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宋凝曦, 李霞, 王净, 吴博晗, 曹悦, 杨杰, 谢寅峰
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Effects on drought tolerance by pladienolide B and rice with high expression of C4-PEPC
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SONG Ni-Xi, LI Xia, WANG Jin, WU Bo-Han, CAO Yue, YANG Jie, XIE Yin-Feng
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表4 不同处理对水稻叶片相对含水量、渗透调节物质、抗氧化酶活性以及PEPC酶活性的影响
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Table 4 Effects of different treatments on the content of relative water content, osmotic regulation components, antioxidant enzyme activity, and PEPC activities in rice
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生理指标
Physiological indexes | 转玉米C4-PEPC水稻 C4-PEPC rice (PC) | Kitaake (WT) | | CK | PEG | PEG+PB | CK | PEG | PEG+PB | 相对含水量
Relative water content (%) | 88.43 a
100.00% | 78.43 b 88.69% | 73.47 c 83.08% | 88.96 a
100.00% | 69.17 d 77.75% | 61.42 e 69.04% | 总的可溶性蛋白含量
Total soluble protein content (mg g-1) | 14.25 a
100.00% | 12.92 b
90.67% | 9.92 d
69.61% | 14.01 a
100.00% | 11.72 c 83.65% | 8.02 e
57.24% | 总的可溶性糖含量
Total soluble sugar content (mg g-1) | 21.23 c
100.00% | 28.33 a 133.44% | 12.41 e 58.46% | 19.02 d
100.00% | 23.04 b 121.14% | 9.59 f
50.42% | 脯氨酸含量
Proline content (mg g-1) | 63.38 c
100.00% | 75.49 a 119.11% | 41.85 d 66.03% | 64.15 c
100.00% | 68.04 b 106.06% | 38.03 e
59.28% | 超氧化物歧化酶活性
Superoxide dismutase activity (U g-1) | 56.78 b
100.00% | 84.54 a 148.89% | 33.56 d 59.11% | 51.74 c
100.00% | 56.53 b 109.26% | 29.78 e
57.56% | 过氧化物酶活性
Peroxidase activity (U g-1) | 65.46 c
100.00% | 89.44 a 136.63% | 32.73 e 50.01% | 59.07 d
100.00% | 76.64 b 129.74% | 29.53 f
49.99% | 过氧化氢酶活性
Catalase activity (U g-1) | 176.27 a
100.00% | 137.32 c 77.90% | 126.27 d 71.63% | 160.34 b
100.00% | 130.56 d
81.42% | 96.11 e
59.94% | 抗坏血酸含量
Ascorbic acid content (µg g-1) | 11.38 c
100.00% | 16.19 a
142.27% | 7.07 d
62.13% | 12.43 c
100.00% | 14.88 b
119.71% | 6.72 d
54.06% | 谷胱甘肽含量
Glutathione content (µmol L-1) | 22.31 a
100.00% | 15.52 c
69.57% | 11.09 e
49.71% | 20.31 b
100.00% | 13.21 d
65.04% | 10.52 e
51.80% | 磷酸烯醇式丙酮酸羧化酶活性
PEPC activity (U mg-1 prot) | 60.54 c
100.00% | 90.97 a 150.26% | 68.32 b 112.85% | 20.03 e
100.00% | 29.44 d 146.98% | 21.14 e 105.54% |
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