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题名: beta-1,3-Glucan with different degree of polymerization induced different defense responses in tobacco
作者: Fu, Yunbin1, 2;  Yin, Heng1;  Wang, Wenxia1;  Wang, Mengyu1, 2;  Zhang, Hongyan1, 2;  Zhao, Xiaoming1;  Du, Yuguang1
关键词: Curdlan oligosaccharides ;  Laminaran ;  beta-1,3-Glucan ;  Degree of polymerization ;  Induced resistance ;  Tobacco
刊名: CARBOHYDRATE POLYMERS
发表日期: 2011-08-15
DOI: 10.1016/j.carbpol.2011.05.022
卷: 86, 期:2, 页:774-782
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Applied ;  Chemistry, Organic ;  Polymer Science
研究领域[WOS]: Chemistry ;  Polymer Science
英文摘要: In order to elucidate defense-inducing activities in tobacco, curdlan oligosaccharides (CRDO) with low degree of polymerization (DP) were prepared for comparison with high DP Laminaran (Lam). Fast response defenses such as extracellular pH shift, hydrogen peroxide (H(2)O(2)) production, nitric oxide (NO) release and stomatal movement under light as well as the protection against tobacco mosaic virus (TMV) were performed. CRDO triggered faster extracellular alkalinization than Lam. Refractory states analysis showed there were different perception modes between beta-1,3-glucan and chitosan oligosaccharides (COS). Elicitors induced cells to generate NO probably via the nitric oxide synthase (NOS) pathway. Moreover, CRDO exhibited more intensive in stomatal movement than Lam. However, protection against TMV implied Lam played a longer term role in defense responses than CRDO. Therefore, we concluded beta-1,3-glucan with low DP played a vital role in the rapid responses, whereas high DP beta-1,3-glucan was responsible for the longer term effects. (C) 2011 Elsevier Ltd. All rights reserved.
关键词[WOS]: WATER-SOLUBLE POLYSACCHARIDES ;  PLANT-DISEASE RESISTANCE ;  NITRIC-OXIDE BURST ;  OXIDATIVE BURST ;  CELL-DEATH ;  PLASMOPARA-VITICOLA ;  EXTRACELLULAR ALKALINIZATION ;  HYDROGEN-PEROXIDE ;  MASS-SPECTROMETRY ;  STOMATAL CLOSURE
语种: 英语
WOS记录号: WOS:000294187400051
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142280
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Nat Prod & Glycobiotechnol Grp 1805, Liaoning Prov Key Lab Carbohydrates, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Fu, Yunbin,Yin, Heng,Wang, Wenxia,et al. beta-1,3-Glucan with different degree of polymerization induced different defense responses in tobacco[J]. CARBOHYDRATE POLYMERS,2011,86(2):774-782.
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