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Oligochitosan induces cell death and hydrogen peroxide accumulation in tobacco suspension cells
Wang, Wenxia1,2; Li, Shuguang1; Zhao, Xiaoming1; Du, Yuguang1; Lin, Bincheng1; Du YG(杜昱光)
关键词Oligochitosan Apoptosis Hydrogen Peroxide Plant Defense Responses
刊名PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
2008-02-01
ISSNISSN: 0048-3575
DOI10.1016/j.pestbp.2007.10.003
90期:2页:106-113
收录类别SCI
文章类型Article
部门归属18
项目归属1805,1807
产权排名1;1
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]DEFENSE GENE-EXPRESSION ; OXIDATIVE BURST ; BY-2 CELLS ; CHITOSAN ; RESISTANCE ; PLANTS ; INDUCTION ; RESPONSES ; RICE ; ACTIVATION
英文摘要Oligochitosan has been shown to induce several plant defense responses. In the present work, the effect of oligochitosan on tobacco cell survival was investigated. The results showed that oligochitosan caused tobacco cell death in a dose-dependent manner. About 40.6 % tobacco cells died when cultured for 72 h after 500 Vg ml(-1) oligochitosan treatment. Certain aspects of this cell death process appeared to be similar to apoptosis in animal cells. These included shrinkage of cytoplasm and condensation of chromatin. Oligochitosan also induced H2O2 accumulation in tobacco cell suspension culture. The role of H2O2 in the signal transduction that leads to cell death was investigated. Co-treatment of tobacco cells with oligochitosan and catalase inhibited H2O2 accumulation but did not inhibit the induction of cell death. The results suggested that apoptosis-like cell death of tobacco cells induced by oligochitosan is independent of H2O2 signal pathway. (c) 2007 Elsevier Inc. All rights reserved.
语种英语
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WOS记录号WOS:000253359400005
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被引频次:18[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/321008/101361
专题中国科学院大连化学物理研究所
通讯作者Du YG(杜昱光)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Nat Prod & Glycoconjugate Res Grp, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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Wang, Wenxia,Li, Shuguang,Zhao, Xiaoming,et al. Oligochitosan induces cell death and hydrogen peroxide accumulation in tobacco suspension cells[J]. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY,2008,90(2):106-113.
APA Wang, Wenxia,Li, Shuguang,Zhao, Xiaoming,Du, Yuguang,Lin, Bincheng,&杜昱光.(2008).Oligochitosan induces cell death and hydrogen peroxide accumulation in tobacco suspension cells.PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY,90(2),106-113.
MLA Wang, Wenxia,et al."Oligochitosan induces cell death and hydrogen peroxide accumulation in tobacco suspension cells".PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 90.2(2008):106-113.
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