深淹胁迫对三峡库区狗牙根谷胱甘肽代谢途径的影响
以三峡库区自然消落带野生狗牙根为研究对象，进行自然条件下不同水位深度（0、5、10、15、20、25、30m）的深淹胁迫以及胁迫后恢复试验，对谷胱甘肽合成、循环代谢关键酶及物质含量进行分析。结果表明，深淹胁迫后，狗牙根可以通过增强谷胱甘肽合成及循环代谢关键酶：谷胱甘肽还原酶和Υ-谷氨酰半胱氨酸合成酶的活性，维持植物体内谷胱甘肽水平及氧化还原状态，从而抵御深淹造成的氧化伤害。深淹恢复生长30d后，狗牙根谷胱甘肽、总谷胱甘肽含量、谷胱甘肽还原酶、Υ-谷氨酰半胱氨酸合成酶活性恢复至未淹对照水平。从植物对深淹胁迫的生理响应上，表明狗牙根作为禾本科植物在遗传上具有一定的耐淹能力，可以作为三峡水库消落带植...
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| Published in | 广东农业科学 Vol. 39; no. 11; pp. 161 - 163 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
三峡库区可持续发展研究中心,重庆404100%重庆三峡学院生命科学与工程学院,重庆,404100
2012
重庆三峡学院生命科学与工程学院,重庆404100 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1004-874X |
| DOI | 10.3969/j.issn.1004-874X.2012.11.053 |
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| Abstract | 以三峡库区自然消落带野生狗牙根为研究对象，进行自然条件下不同水位深度（0、5、10、15、20、25、30m）的深淹胁迫以及胁迫后恢复试验，对谷胱甘肽合成、循环代谢关键酶及物质含量进行分析。结果表明，深淹胁迫后，狗牙根可以通过增强谷胱甘肽合成及循环代谢关键酶：谷胱甘肽还原酶和Υ-谷氨酰半胱氨酸合成酶的活性，维持植物体内谷胱甘肽水平及氧化还原状态，从而抵御深淹造成的氧化伤害。深淹恢复生长30d后，狗牙根谷胱甘肽、总谷胱甘肽含量、谷胱甘肽还原酶、Υ-谷氨酰半胱氨酸合成酶活性恢复至未淹对照水平。从植物对深淹胁迫的生理响应上，表明狗牙根作为禾本科植物在遗传上具有一定的耐淹能力，可以作为三峡水库消落带植被恢复的物种。 |
|---|---|
| AbstractList | 以三峡库区自然消落带野生狗牙根为研究对象，进行自然条件下不同水位深度（0、5、10、15、20、25、30m）的深淹胁迫以及胁迫后恢复试验，对谷胱甘肽合成、循环代谢关键酶及物质含量进行分析。结果表明，深淹胁迫后，狗牙根可以通过增强谷胱甘肽合成及循环代谢关键酶：谷胱甘肽还原酶和Υ-谷氨酰半胱氨酸合成酶的活性，维持植物体内谷胱甘肽水平及氧化还原状态，从而抵御深淹造成的氧化伤害。深淹恢复生长30d后，狗牙根谷胱甘肽、总谷胱甘肽含量、谷胱甘肽还原酶、Υ-谷氨酰半胱氨酸合成酶活性恢复至未淹对照水平。从植物对深淹胁迫的生理响应上，表明狗牙根作为禾本科植物在遗传上具有一定的耐淹能力，可以作为三峡水库消落带植被恢复的物种。 S543+.9%Q945.78; 以三峡库区自然消落带野生狗牙根为研究对象,进行自然条件下不同水位深度(0、5、10、15、20、25、30m)的深淹胁迫以及胁迫后恢复试验,对谷胱甘肽合成、循环代谢关键酶及物质含量进行分析:结果表明,深淹胁迫后,狗牙根可以通过增强谷胱甘肽合成及循环代谢关键酶:谷胱甘肽还原酶和γ-谷氨酰半胱氨酸合成酶的活性,维持植物体内谷胱甘肽水平及氧化还原状态,从而抵御深淹造成的氧化伤害.深淹恢复生长30 d后,狗牙根谷胱甘肽、总谷胱甘肽含量、谷胱甘肽还原酶、y-谷氨酰半胱氨酸合成酶活性恢复至未淹对照水平.从植物对深淹胁迫的生理响应上,表明狗牙根作为禾本科植物在遗传上具有一定的耐淹能力,可以作为三峡水库消落带植被恢复的物种. |
| Author | 周大祥 刘仁华 秦洪文 汪开拓 李彦杰 杨俊年 |
| AuthorAffiliation | 重庆三峡学院生命科学与工程学院,重庆404100 三峡库区可持续发展研究中心,重庆404100 |
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| Author_FL | ZHOU Da-xiang LIU Ren-hua QIN Hong-wen YANG Jun-nian LI Yan-jie WANG Kai-tuo |
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| DocumentTitleAlternate | Effects of deep submergence stress on glutathione metabolic pathways of Bermudagrass Cynodon dactylon （L.） Pers. in the Three Gorges Reservoir Area |
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| Keywords | 谷胱甘肽 谷胱甘肽还原酶 γ-谷氨酰半胱氨酸合成酶 狗牙根 深淹胁迫 |
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| Notes | 44-1267/S Cynodon dactylon（K）Pers.; deep submergence stress; glutathione; glutathione reductase; Υ-glutamyl cysteine synthetase A submergence experiment was conducted on Bermudagrasses originally distributed in the water-level-fluctuation zone of the Three Gorges Reservoir Area. The deep submergence stress and after recovery were carried out in respective submerged depth of O, 5, 10, 15, 20, 25, 30 m. The biosynthetic and recycling metabolism of glutathione were studied. The results showed that, after the deep submergence stress, levels of glutathione and their redox status were maintained under deep submergence stress by increasing activities of glutathione reductase （GR）, gamma glutamyl cysteine synthetase （Υ-ECS） involved in the metabolism of glutathione. This protected from oxidative damage induced by deep submergence stress. After deep submergence stress recovery growth 30 days, the content of glutathione, total glutathione and activity of GR, Υ-ECS were recovered to un-submerged control. From physiologica |
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| PublicationTitle | 广东农业科学 |
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| Publisher | 三峡库区可持续发展研究中心,重庆404100%重庆三峡学院生命科学与工程学院,重庆,404100 重庆三峡学院生命科学与工程学院,重庆404100 |
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| SubjectTerms | Υ-谷氨酰半胱氨酸合成酶 深淹胁迫 狗牙根 谷胱甘肽 谷胱甘肽还原酶 |
| Title | 深淹胁迫对三峡库区狗牙根谷胱甘肽代谢途径的影响 |
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