Eudesmanolides from Wedelia trilobata (L.) Hitchc. as Potential Inducers of Plant Systemic Acquired Resistance

	Eudesmanolides from Wedelia trilobata (L.) Hitchc. as Potential Inducers of Plant Systemic Acquired Resistance
	Li, Yating 1,2; Hao, Xiaojiang1 ; Li, Shifei 1; He, Hongping 1; Yan, Xiaohui 3; Chen, Yongdui 4; Dong, Jiahong 4; Zhang, Zhongkai 4; Li, Shunlin 1
通讯作者	Li, SL (reprint author), Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650201, Yunnan, Peoples R China. ; lisl@mail.kib.ac.cn
	2013-04-24
发表期刊	JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
ISSN	0021-8561
卷号	61 期号:16 页码:3884-3890
摘要	Ten eudesmanolides (1-10) including five new ones (1-4 and 6) were isolated from the whole plant of Wedelia trilobata (L.) Hitchc., a notoriously invasive weed in South China. As main constituents of W. trilobata, eight of these eudesmanolides were tested for their antitobacco mosaic virus (TMV) activities by the conventional half-leaf and leaf-disk method along with Western blot analysis. All of the tested compounds, at 10 mu g/mL, showed strong antiviral activities in the pretreated tobacco plants with inhibition rates ranging from 46.7% to 76.5%, significantly higher than that of the positive control, ningnanmycin (13.5%). Their potential of inducing systemic acquired resistance (SAR) was also evaluated, and compounds 1 and 8 showed excellent induction activities. Furthermore, it was found that different concentrations of compound 1 promoted phenylalanine ammonia-lyase (PAL) activity in tobacco plants. To our knowledge, this is the first report that eudesmanolides could induce resistance in tobacco plants against the viral pathogen TMV.
关键词	Eudesmanolides WedeL.a TriL.bata (L.) Hitchc. Tobacco Mosaic Virus Systemic Acquired Resistance
学科领域	Agriculture ; Chemistry ; Food Science & Technology
收录类别	SCI ; IC
语种	英语
WOS记录号	WOS:000318204700016
引用统计	被引频次：35[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/151853/16433
专题	植物化学与西部植物资源持续利用国家重点实验室
作者单位	1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650201, Yunnan, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Southwest Forestry Univ, Coll Forestry, Key Lab Forest Disaster Warning & Control Yunnan, Kunming 650224, Yunnan, Peoples R China 4.Yunnan Acad Agr Sci, Kunming 650023, Yunnan, Peoples R China
推荐引用方式 GB/T 7714	Li, Yating,Hao, Xiaojiang,Li, Shifei,et al. Eudesmanolides from Wedelia trilobata (L.) Hitchc. as Potential Inducers of Plant Systemic Acquired Resistance[J]. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,2013,61(16):3884-3890.
APA	Li, Yating.,Hao, Xiaojiang.,Li, Shifei.,He, Hongping.,Yan, Xiaohui.,...&Li, Shunlin.(2013).Eudesmanolides from Wedelia trilobata (L.) Hitchc. as Potential Inducers of Plant Systemic Acquired Resistance.JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,61(16),3884-3890.
MLA	Li, Yating,et al."Eudesmanolides from Wedelia trilobata (L.) Hitchc. as Potential Inducers of Plant Systemic Acquired Resistance".JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 61.16(2013):3884-3890.

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