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当前位置: 首页 > 文章 > 田旋花EPSPS基因表达特征及草甘膦对其表达的影响 植物保护 2019 (4) 104-107
Position: Home > Articles > 田旋花EPSPS基因表达特征及草甘膦对其表达的影响 Plant Protection 2019 (4) 104-107

田旋花EPSPS基因表达特征及草甘膦对其表达的影响

作  者：
黄兆峰;白薇薇;周欣欣;黄红娟;姜翠兰;张朝贤;魏守辉
单  位：
农业部西北荒漠绿洲作物有害生物综合治理重点实验室/新疆农业科学院植物保护研究所;中国农业科学院植物保护研究所;农业农村部农药检定所
关键词：
田旋花;草甘膦;EPSPS;表达
摘  要：
采用实时荧光定量RT-PCR测定了田旋花不同组织、不同叶龄的EPSPS基因mRNA的相对表达量以及草甘膦对EPSPS基因相对表达量的影响.结果表明:田旋花EPSPS基因在不同组织表达量差异显著,在叶的表达量高于茎和根;该基因在9叶期的表达量最高,是3叶期的1.5倍;在草甘膦处理后,田旋花EPSPS基因的表达量先升高后降低,在处理后24 h达最大值.随草甘膦剂量增加,该基因的表达量升高.研究结果可为深入解析田旋花对草甘膦耐药性机理提供参考.
作  者：
HUANG Zhaofeng;BAI Weiwei;ZHOU Xinxin;HUANG Hongjuan;JIANG Cuilan;ZHANG Chaoxian;WEI Shouhui;Institute of Plant Protection, Chinese Academy of Agricultural Sciences;Institute of Plant Protection, Xinjiang Academy of Agricultural Sciences;Institute for the Control of Agrochemicals, Ministry of Agriculture and Rural Affairs;
单  位：
HUANG Zhaofeng%BAI Weiwei%ZHOU Xinxin%HUANG Hongjuan%JIANG Cuilan%ZHANG Chaoxian%WEI Shouhui%Institute of Plant Protection, Chinese Academy of Agricultural Sciences%Institute of Plant Protection, Xinjiang Academy of Agricultural Sciences%Institute for the Control of Agrochemicals, Ministry of Agriculture and Rural Affairs
关键词：
Convolvulus arvensis;;glyphosate;;EPSPS;;expression
摘  要：
Quantitative RT-PCR was employed to analyze the expression pattern of EPSPS gene in different tissues of the field bindweed Convolvulus arvensis at different leaf stages and the effect of glyphosate on the EPSPS gene expression. The results showed that the expression of EPSPS in leaves was higher than in roots and stems. The highest EPSPS expression level was observed at 9-leaf stage, 1.5 times as that at 3-leaf stage. After glyphosate treatment, EPSPS expression level increased first and then decreased, and the peak induction was detected at 24 h after glyphosate application. The EPSPS expression level was enhanced with increasing glyphosate dose. The results provide a reference for illuminating the mechanism of glyphosate tolerance in field bindweed.

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