Overexpression of rice OsLOL2 gene confers disease resistance in tobacco to Pseudomonas syringae pv. tabaci

被引：14
作者：
Bhatti, Khizar Hayat [1 ,2 ]
Xu, Chunxiao [1 ,2 ]
Wu, Jiahe [1 ]
He, Chaozu [1 ]
机构：
[1] Chinese Acad Sci, Inst Microbiol, State Key Lab Plant Genom, Beijing 100101, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL | 2008年 / 18卷 / 07期
关键词：
OsLOL2; zinc finger protein/domain; hypersensitive response (HR); Pseudomonas syringae pv. tabaci; disease resistance;
D O I：
10.1016/j.pnsc.2008.01.025
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
LSD1-related proteins of Arabidopsis with LSD1-like zinc finger domains regulate disease resistance and programmed cell death (PCD). We cloned a rice OsLOL2 gene, orthologous to LSD1 of Arabidopsis and expressed it in a tobacco plant. Transgenic tobacco lines displayed enhanced disease resistance to a virulent bacterium Pseudomonas syringae pv. tabaci (Pst). RT-PCR analysis showed that overexpression of OsLOL2 in transgenic tobacco lines resulted in upregulation of two pathogenesis-related (PR) protein genes, PR2 and PR5. Our results suggest that overexpression of OsLOL2 in transgenic tobacco enhances the resistance through the induction of PR proteins and hypersensitive response-like reaction. (c) 2008 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
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收藏
页码：807 / 812
页数：6
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