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Induction of antiviral resistance and stimulary effect by oligochitosan in tobacco
Zhao, Xiaoming; She, Xiaoping; Du, Yuguang; Liang, Xinmiao
关键词Oligochitosan Tobacco Mosaic Virus Plant Protection Nitric Oxide Hydrogen Peroxide
刊名PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
2007
DOI10.1016/j.pestbp.2006.06.006
87期:1页:78-84
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine
类目[WOS]Biochemistry & Molecular Biology ; Entomology ; Physiology
研究领域[WOS]Biochemistry & Molecular Biology ; Entomology ; Physiology
关键词[WOS]NITRIC-OXIDE ; DISEASE-RESISTANCE ; DEFENSE RESPONSES ; PLANT ; CHITOSAN ; CHITIN
英文摘要Oligochitosan was applied by spraying it on tobacco leaves for inhibition of tobacco mosaic virus (TMV). The maximum inhibition of TMV by oligochitosan was observed when inoculation occurred at 24 h after spraying 50 mu g ml(-1) oligochitosan. The production of H(2)O(2) and NO in epidermal tobacco cells induced by oligochitosan was investigated by epidermal strip bioassay and LSCM, using cell permeable fluorophore diaminofluorescein diacetate (DAF-2D) and 2',7'-dichlorofluorescin diacetate (H(2)DCF-DA), respectively. Epidermal tobacco cells treated with oligochitosan resulted in a strong increase of intracellular NO and H(2)O(2). Oligochitosan and NO donor sodium nitroprusside (SNP) induced the defense reaction against tobacco mosaic virus (TMV), and increased phenylalanine ammonia-lyase (PAL) activity. Co-treatment of the tobacco cells with oligochitosan and NO scavenger CPTIO blocked the inducing resistance. The results indicated that the defense response induced by oligochitosan was connected with NO pathway. (c) 2006 Elsevier Inc. All rights reserved.
语种英语
WOS记录号WOS:000242741800011
引用统计
被引频次:53[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140462
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Shaanxi Normal Univ, Coll Life Sci, Xian 710062, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China
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Zhao, Xiaoming,She, Xiaoping,Du, Yuguang,et al. Induction of antiviral resistance and stimulary effect by oligochitosan in tobacco[J]. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY,2007,87(1):78-84.
APA Zhao, Xiaoming,She, Xiaoping,Du, Yuguang,&Liang, Xinmiao.(2007).Induction of antiviral resistance and stimulary effect by oligochitosan in tobacco.PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY,87(1),78-84.
MLA Zhao, Xiaoming,et al."Induction of antiviral resistance and stimulary effect by oligochitosan in tobacco".PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 87.1(2007):78-84.
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