| 高温胁迫下外源水杨酸对金线兰抗氧化酶活性的影响 |
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| 引用本文： | 王定景,司庆永,龚宁,葛浩.高温胁迫下外源水杨酸对金线兰抗氧化酶活性的影响[J].贵州农业科学,2012,40(5):39-42. |
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| 作者姓名： | 王定景 司庆永 龚宁 葛浩 |
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| 作者单位： | 贵州师范大学生命科学学院,贵州贵阳550001;贵州师范大学遗传育种研究所,贵州贵阳550001 |
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| 基金项目： | 贵州省科学技术基金资助项目，贵州省中药材现代产业技术体系建设专项 |
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| 摘 要： | 为给规模化生产金线兰提供理论依据和技术支持,探索了高温胁迫下外源水杨酸(SA)对金线兰抗氧化酶的影响。结果表明:高温条件下,0.5～1.5mmol/L外源SA均可提高金线兰的SOD、POD和CAT活性;外源SA不能诱导SOD和CAT同工酶新酶带的表达,但有新的POD酶带产生。说明,外源SA通过调节金线兰抗氧化酶系统,缓解了高温胁迫对金线兰的伤害。
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| 关 键 词： | 金线兰 水杨酸 高温胁迫 抗氧化酶 |
Effects of Salicylic Acid on Antioxidant Enzymes of Anoectochilus roxburghii under Heat Stress |
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| WANG Ding-jing
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SI Qing-yong
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GONG Ning
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GE Hao.Effects of Salicylic Acid on Antioxidant Enzymes of Anoectochilus roxburghii under Heat Stress[J].Guizhou Agricultural Sciences,2012,40(5):39-42. |
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| Authors: | WANG Ding-jing SI Qing-yong GONG Ning GE Hao |
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| Institution: | 1,2(1.College of Life Science,Guizhou Normal University,Guiyang,Guizhou 550001;2.Genetic Breeding Institute,Guizhou Normal University,Guiyang,Guizhou 550001,China) |
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| Abstract: | Effects of SA on antioxidant enzymes of A.roxburghii under heat stress were explored to provide theoretical basis and technique support for scale production of A.roxburghii.The result showed that different SA concentrations(0.5~1.5 mmol/L) could all increase activities of SOD,POD and CAT of A.roxburghii;SA did not induce new bands of CAT and SOD,but induced new bands of POD.All above indicated that pretreatment with SA may alleviate the damage of heat tolerance to A.roxburghii by enhancing the activities of antioxidant systems. |
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| Keywords: | Anoectochilus roxburghii salicylic acid heat stress antioxidant enzymes |
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