| 玉米茎腐病菌致病因子对玉米超微结构的影响 |
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| 引用本文： | 高洪敏; 宁家林; 于兵; 曹祖波; 刘君; 吕春波,陈捷.玉米茎腐病菌致病因子对玉米超微结构的影响[J].玉米科学,2006,14(2):147-149. |
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| 作者姓名： | 高洪敏; 宁家林; 于兵; 曹祖波; 刘君; 吕春波 陈捷 |
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| 作者单位： | 1. 丹东农业科学院,辽宁,凤城,118109
2. 沈阳农业大学,沈阳,110161 |
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| 摘 要： | 玉米茎腐病菌(Fusariumgramimearum和Pythumaphanidermatum)在玉米活体内和活体外均能产生一系列具有明显致病作用的细胞壁降解酶和毒素。通过电子显微镜对分离出的细胞壁降解酶和毒素进行致病性观察。结果表明,细胞壁降解酶能降解玉米根细胞壁,毒素能损伤玉米胚根细胞膜及亚细胞器的结构。
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| 关 键 词： | 玉米茎腐病菌 细胞壁降解酶 毒素 超微结构 致病性 |
| 文章编号： | 1005-0906（2006）02-0147-03 |
| 收稿时间： | 6/6/2005 12:00:00 AM |
| 修稿时间： | 2005年6月6日 |
The Influence of the Pathogenic Factors of Corn Stalk Rot Pathogens to the Ultrastructure of Maize |
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| GAO Hong-min,NING Jia-lin,YU Bing,CAO Zu-bo,LIU Jun,LV Chun-bo and CHEN Jie.The Influence of the Pathogenic Factors of Corn Stalk Rot Pathogens to the Ultrastructure of Maize[J].Journal of Maize Sciences,2006,14(2):147-149. |
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| Authors: | GAO Hong-min NING Jia-lin YU Bing CAO Zu-bo LIU Jun LV Chun-bo and CHEN Jie |
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| Institution: | Dandong Academy of A gricultural Sciences, Fengcheng 118109, China |
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| Abstract: | The pathogens of corn stalk rot(Fusarium gramimearum and Pythum aphanidermatum) can produce a series of cell wall degrading enzymes(CWDE) and toxins both in vivo and in vitro that are virulent to the host.It was indicated from the observation of the virulence of CWDE and toxins by electric microscope that CWDE can degrade the cell wall of corn radicle and the toxins can damage the cell membrane and subcellular organelles. |
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| Keywords: | Corn stalk rot pathogens Cell wall degrading enzymes Toxin Ultrastructure Virulence |
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