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题名: Screening and isolation of antinematodal metabolites against Bursaphelenchus xylophilus produced by fungi
作者: Zhu, Yanhui1; Dong, Jinyan1; Wang, Le1; Zhou, Wei1; Li, Lei1; He, Hongping2; null(刘海洋)2; Zhang, Keqin1
刊名: ANNALS OF MICROBIOLOGY
关键词: antinematodal acitivity ; Bursaphelenchus xylophilus ; Caryospora callicarpa ; naphthalenone
英文摘要: Sixty crude cultural filtrates of thirty fresh water fungi individually grown in both Potato Dextrose broth and GPC broth were assayed in vitro for antinematodal activity against Bursaphelenchus xylophilus (Steiner et Buhrer) Nickle using immersion test. Filtrates from Camposporium quercicola YMF1.01300, Periconia digitata YMF1.00948, Caryospora callicarpa YMF1.01026 grown in both PDB and GPC broth, and the cultural filtrate of Melanospora zamiae YMF1.00948 grown in PDB were found to be pathogenic to the tested nematodes. The degree of activity varied with the fungal species, length of exposure time, and media composition. From a nematicidal cultural extract of Caryospora callicarpa YMF1.01026, four known naphthalenones were isolated and identified as 4,8-dihydroxy-3,4-dihydronaphthalen-1(2H)one (1), 4,6-dihydroxy - 3,4-dihydronaphthalen-1(2H)-one (2), 4,6,8-trihydroxy-3,4-dihydronaphthalen-1(2H)-one) (3), 3,4,6,8-tetrahydroxy-3,4-dihydronaphthalen-1(2H)-one (cis-4-hydroxyscytalone) (4) by NMR and MS analysis. All four metabolites showed noticeable biological activity against B. xylophilus nematode. This is the first published report of these compounds affecting plant-parasitic nematodes.
出版日期: 2008
卷号: 58, 期号:3, 页码:375-380
语种: 英语
ISSN号: 1590-4261
资助信息: National Natural Science Foundation of China [20562015, 20762015, 20762014]; Yunnan Provincial Natural Science Foundation [2005C0005Q, 2005NG03, 2005NG05]; State Key Laboratory of Phytochemistry and Plant Resources in Western China ; Kunming Institute of Botany, China
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/2859
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.Yunnan Univ, Key Lab Conservat & Utilizat Bioresources, Kunming 650091, Yunnan, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Lab Phytochem, Kunming 650204, Yunnan, Peoples R China

Recommended Citation:
Zhu, YH; Dong, JY; Wang, L; Zhou, W; Li, L; He, HP; Liu, HY; Zhang, KQ.Screening and isolation of antinematodal metabolites against Bursaphelenchus xylophilus produced by fungi,ANNALS OF MICROBIOLOGY,2008,58(3):375-380
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