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题名: Munronin O, a potential activator for plant resistance
作者: Yan, Ying1, 2; Tang, Lei2; Hu, Jiaqi2; Wang, Jianta2; Adelakun, Tiwalade Adegoke3; Yang, Dongqiong3; Di, Yingtong3; Zhang, Yu3; Hao, Xiaojiang1
刊名: PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
关键词: Limonoids ; Munronia henryi harms ; Tobacco mosaic virus ; Antiviral activity ; Plant resistance
英文摘要: A series of limonoids (1-8) were isolated from the whole plant of Munronia henryi and antiviral activities of the compounds were evaluated. The bioassay results demonstrated that Munronin O (1) showed remarkable protective activity and compounds 7 and 8 showed significant inactivating, protective, and curative activities against tobacco mosaic virus (TMV). With a 50% effective concentration (EC50) value of 91.5 mu g/mL, compound 1 exhibited the best protective activity compared with ningnanmycin (192.3 mu g/mL). The potential for these compound of inducing systemic acquired resistance (SAR) was also evaluated, and compound 1 showed excellent induction activities. Furthermore, it was found that potentiation of defense-related enzyme activity and the contents of SA was increased. Compound 1 could also inhibit the expression of TMV CP and up-regulate the expression of defense-related genes. This work revealed that compound 1 can induce resistance and enhance plant tolerance to TMV infection. Hence, compound 1 can be considered as a potential activator for inducing plant resistance.
出版日期: 2018-04-01
卷号: 146, 页码:13-18
DOI标识: 10.1016/j.pestbp.2018.02.001
语种: 英语
ISSN号: 0048-3575
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/61188
Appears in Collections:植物化学与西部植物资源持续利用国家重点实验室_期刊论文

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作者单位: 1.Guizhou Med Univ, State Key Lab Funct & Applicat Med Plants, Guiyang 550014, Guizhou, Peoples R China
2.Guizhou Chem Drug Res & Dev Engn Tech Ctr, Guiyang 550004, Guizhou, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources West Ch, Kunming 650201, Yunnan, Peoples R China

Recommended Citation:
Yan, Ying,Tang, Lei,Hu, Jiaqi,et al. Munronin O, a potential activator for plant resistance[J]. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY,2018,146:13-18.
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