高温胁迫终止后Bt棉蕾杀虫蛋白的恢复特征及相关生理机制
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刘震宇,王桂霞,李丽楠,蔡泽洲,梁潘潘,吴莘玲,张祥,陈德华
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Recovery characteristics of Bt insecticidal protein and relative physiological mechanisms after high temperature stress termination in square of Bt cotton
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Zhen-Yu LIU,Gui-Xia WANG,Li-Nan LI,Ze-Zhou CAI,Pan-Pan LIANG,Xin-Ling WU,Xiang ZHANG,De-Hua CHEN
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表3 高温持续胁迫终止后蕾中蛋白酶与肽酶活性变化
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Table 3 Changes of square protease and peptidase activities with time after high temperature stress termination
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测定指标 Tested index | 品种 Variety | 处理 Treatment | 恢复时间 Recovery time | 0 h | 12 h | 24 h | 48 h | 72 h | 96 h | 蛋白酶活性 Protease activity (μg g-1 h-1) | SK-1 | CK | 34.62 a | 34.08 a | 34.88 a | 33.86 a | 35.07 a | 34.58 a | 38℃-72 h | 125.79 a | 114.46 b | 100.05 c | 73.23 d | 35.43 d | 34.88 d | 38℃-96 h | 153.95 a | 145.35 b | 131.47 c | 106.43 d | 76.00 e | 35.35 e | SK-3 | CK | 39.84 a | 40.76 a | 40.98 a | 40.67 a | 39.74 a | 40.19 a | 38℃-72 h | 114.88 a | 99.46 b | 83.75 c | 39.08 d | 41.16 d | 39.94 d | 38℃-96 h | 141.91 a | 122.30 b | 105.78 c | 62.09 d | 43.01 e | 41.49 e | 肽酶活性 Peptidase activity (μmol g-1 h-1) | SK-1 | CK | 1.28 a | 1.28 a | 1.29 a | 1.27 a | 1.28 a | 1.27 a | 38℃-72 h | 3.43 a | 3.24 a | 3.06 ab | 2.46 b | 1.26 d | 1.27 d | 38℃-96 h | 4.07 a | 3.91 b | 3.72 c | 3.15 d | 2.50 e | 1.30 f | SK-3 | CK | 1.64 a | 1.61 a | 1.62 a | 1.62 a | 1.61 a | 1.60 a | 38℃-72 h | 3.20 a | 2.77 b | 2.32 c | 1.56 d | 1.62 d | 1.59 d | 38℃-96 h | 3.79 a | 3.48 b | 3.11 c | 2.07 d | 1.59 e | 1.59 e |
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