Anti-TMV activity and functional mechanisms of two sesquiterpenoids isolated from Tithonia diversifolia
Zhao, Lihua1,2; Dong, Jiahong2; Hu, Zhonghui3; Li, Shunlin3; Su, Xiaoxia2; Zhang, Jie2; Yin, Yueyan2; Xu, Tao2; Zhang, Zhongkai2; Chen, Hairu1
2017-08-01
发表期刊PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
ISSN0048-3575
卷号140页码:24-29
摘要Unlike chemical pesticides, antiviral plants are biodegradable, replenishable and safe. In this study, 14 sesquiterpene compounds from Tithonia diversifolia were tested for their activities against Tobacco mosaic virus (TMV) using the half-leaf method. Tagitinin C (Ses-2) and 1 beta-methoxydiversifolin-3-0-methyl ether (Ses-5) were found to have in vivo curative activities of 62.86% and 60.27% respectively, at concentrations of 100 mu g/mL, respectively. In contrast, the in vivo curative inhibition rate of control agent ningnanmycin was 52.48%. Indirect enzyme-linked immunosorbent assay (ID-ELISA) also verified Ses-2 and Ses-5 had higher inhibition activities than the control agent ningnanmycin. Additionally, qRT-PCR showed that both Ses-2 and Ses-5 can partly inhibit the expression of CP and RdRp, two genes that play key roles in TMV infection. When TMV started to systemically spread, Ses-2 inhibited CP expression while Ses-5 inhibited RdRp expression. These results suggest that the two bio-agents have anti-TMV activities and may be used as bio-pesticides to control the plant virus. 2017 The Authors. Published by Elsevier Inc.
关键词Curative Activities Sesquiterpene Half-leaf Method Bio-pesticides
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/54937
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.Yunnan Agr Univ, Coll Plant Protect, Kunming 650201, Yunnan, Peoples R China
2.Yunnan Acad Agr Sci, Inst Biotechnol & Germplasm Resources, Kunming 650204, Yunnan, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China
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Zhao, Lihua,Dong, Jiahong,Hu, Zhonghui,et al. Anti-TMV activity and functional mechanisms of two sesquiterpenoids isolated from Tithonia diversifolia[J]. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY,2017,140:24-29.
APA Zhao, Lihua.,Dong, Jiahong.,Hu, Zhonghui.,Li, Shunlin.,Su, Xiaoxia.,...&Chen, Hairu.(2017).Anti-TMV activity and functional mechanisms of two sesquiterpenoids isolated from Tithonia diversifolia.PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY,140,24-29.
MLA Zhao, Lihua,et al."Anti-TMV activity and functional mechanisms of two sesquiterpenoids isolated from Tithonia diversifolia".PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 140(2017):24-29.
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