| 番茄抗性基因Mi-1研究进展 |
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| 引用本文： | 王鑫,匡炜,万方浩.番茄抗性基因Mi-1研究进展[J].中国农业科技导报,2009,11(5):23-29. |
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| 作者姓名： | 王鑫 匡炜 万方浩 |
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| 作者单位： | （1.中国农业科学院植物保护研究所, 植物病虫害生物学国家重点实验室, 北京 100081,2.湖南农业大学生物安全科技学院, 长沙 412021） |
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| 基金项目： | 科技部科研项目，农业行业公益专项课题 |
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| 摘 要： | Mi-1基因是重要的番茄抗病虫基因,编码蛋白质具有CC-NBS-LRR结构,抗性谱广,可有效防治根结线虫、马铃薯长管蚜和烟粉虱。综述了Mi-1抗性基因的抗虫特点,讨论了Mi-1基因的结构及其产物的抗虫类型,分析了Mi-1抗性基因对根结线虫、马铃薯长管蚜和烟粉虱的抗性功能,并进一步探讨了Mi-1基因通过突变基因和水杨酸等途径对植物病虫害的抗性机制。通过客观评价植物内源Mi-1抗性基因对植物病虫害的作用途径,明确了植物Mi-1抗性基因在农业生产中的应用价值,可为植物病虫害的生物抗性防治提供科学依据。
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| 关 键 词： | Mi-1抗病虫基因 番茄抗虫性 根结线虫 马铃薯长管蚜 烟粉虱 |
| 收稿时间： | 2009-05-19 |
| 修稿时间： | 2009-07-03 |
Research Advances in the Effect of Resistance Gene Mi-1 in Tomato |
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| WANG Xin,KUANG Wei,WAN Fang-Hao.Research Advances in the Effect of Resistance Gene Mi-1 in Tomato[J].Journal of Agricultural Science and Technology,2009,11(5):23-29. |
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| Authors: | WANG Xin KUANG Wei WAN Fang-Hao |
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| Institution: | (1.State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100081|2.College of Bio-safety Science and Technology, Hunan Agricultural University, Changsha 412021, China) |
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| Abstract: | As an important resistant gene in tomato, Mi-1 gene shows potential for resistance to Meloidogyne spp., Macrosiphumeuphorbiae and Bemisia tabaci. The principle of such resistance should be attributed to an encoded protein, which is of CC-NBS-LRR structure, being of broad spectrum for resistance towards plant diseases and pests. In this paper, we reviewed its characteristics of insect-resistance; discussed the gene structure and the insect-resistant types of its products; analyzed the genes resistant ability towards Meloidogyne spp., Macrosiphum euphorbiae and Bemisia tabaci; and further studied the resistant mechanisms of Mi-1 by means of gene mutation and salicylic acid pathway. Through objective evaluation on the functional mechanism of plant endogenous Mi-1 gene for plant diseases and pests, this study definitudes the application value of Mi-1 in agricultural production, thus provides scientific reliance for biological resistance control towards plant diseases and pests. |
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| Keywords: | Mi-1 gene insect resistance of tomato root-knot nematode potato aphid sweet-potato whitefly |
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