SCOPOLIN, A GLYCOSIDE FORM OF THE PHYTOALEXIN SCOPOLETIN, IS LIKELY INVOLVED IN THE RESISTANCE OF NICOTIANA ATTENUATA AGAINST ALTERNARIA ALTERNATA
Li, J.1,2; Wu, J.1
2016
发表期刊JOURNAL OF PLANT PATHOLOGY
卷号98期号:3页码:641-644
摘要Phenolic coumarins are secondary metabolites playing an important role in plant-environment interaction. Previously, we have shown that wild tobacco Nicotiana attenuata accumulates high amounts of the jasmonate (JA)dependent phenolic coumarin, scopoletin, as a phytoalexin to defend itself against a necrotic fungal pathogen, Alternaria alternata (tobacco pathotype). Scopolin, a beta-glycoside form of scopoletin, was strongly elicited and to a level even higher than that of scopoletin in host plants after A. alternata infection. However, it was not known whether scopolin functioned as a phytoalexin playing a role in the resistance or simply as a storage form of scopoletin. When supplied in PDA medium, scopolin exhibited a moderate but slightly weaker anti-fungal activity against A. alternata than that of scopoletin. In addition, A. alternata-elicited scopolin level was dramatically decreased in JA deficient plants. Thus, all the data suggest that scopolin is also a JA-dependent phytoalexin likely involved in the resistance of N. attenuata against A. alternata.
关键词Alternaria Fungal Pathogen Nicotiana Phytoalexin Plant Resistance Scopoletin Scopolin
DOI10.4454/JPP.V98I3.006
收录类别SCI
语种英语
WOS记录号WOS:000394512000034
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被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/41897
专题资源植物与生物技术所级重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Econ Plants & Biotechnol, Yunnan Key Lab Res & Dev Wild Plant Resources, Lanhei Rd 132, Kunming 650201, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Li, J.,Wu, J.. SCOPOLIN, A GLYCOSIDE FORM OF THE PHYTOALEXIN SCOPOLETIN, IS LIKELY INVOLVED IN THE RESISTANCE OF NICOTIANA ATTENUATA AGAINST ALTERNARIA ALTERNATA[J]. JOURNAL OF PLANT PATHOLOGY,2016,98(3):641-644.
APA Li, J.,&Wu, J..(2016).SCOPOLIN, A GLYCOSIDE FORM OF THE PHYTOALEXIN SCOPOLETIN, IS LIKELY INVOLVED IN THE RESISTANCE OF NICOTIANA ATTENUATA AGAINST ALTERNARIA ALTERNATA.JOURNAL OF PLANT PATHOLOGY,98(3),641-644.
MLA Li, J.,et al."SCOPOLIN, A GLYCOSIDE FORM OF THE PHYTOALEXIN SCOPOLETIN, IS LIKELY INVOLVED IN THE RESISTANCE OF NICOTIANA ATTENUATA AGAINST ALTERNARIA ALTERNATA".JOURNAL OF PLANT PATHOLOGY 98.3(2016):641-644.
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