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题名: o-Coumaric acid from invasive Eupatorium adenophorum is a potent phytotoxin
作者: Zheng, Guowei1; Jia, Yanxia1; Zhao, Xu2; Zhang, Fujuan1; Luo, Shihong2; null(黎胜红)2; null(李唯奇)1
刊名: CHEMOECOLOGY
关键词: Phytotoxin ; Arabidopsis thaliana ; Germination inhibition ; Growth inhibition ; Root cell death ; Leaf senescence
英文摘要: A phytochemical study of the invasive Eupatorium adenophorum indicated that the plant was rich in a phenolic compound o-coumaric acid (or 2-hydroxycoumaric acid). Biological investigations with the model plant Arabidopsis thaliana and crop plants showed that o-coumaric acid strongly inhibited seed germination, plant growth and root elongation, reduced the photosynthesis in old leaves, and induced the root cell death and the expression of genes related to senescence, oxidative stress, and systemic acquired resistance. The phytotoxic effects of o-coumaric acid exhibit selectivity between under- and above-ground parts of test plants and between E. adenophorum and other plants. These results indicate that o-coumaric acid is a potent toxin that might play an important role in the competition of E. adenophorum with its neighboring plants during its invasion and establishment.
出版日期: 2012-06-01
卷号: 22, 期号:2, 页码:131-138
语种: 英语
收录类别: SCI
学科分类: Biochemistry & Molecular Biology; Ecology
ISSN号: 0937-7409
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/10549
Appears in Collections:中国西南野生生物种质资源库_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Kunming 650201, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650201, Peoples R China

Recommended Citation:
Zheng, GW; Jia, YX; Zhao, X; Zhang, FJ; Luo, SH; Li, SH; Li, WQ.o-Coumaric acid from invasive Eupatorium adenophorum is a potent phytotoxin,CHEMOECOLOGY,2012,22(2):131-138
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