6-Pentyl-α-pyrone as an anti-sapstain compound produced by Trichoderma gamsii KUC1747 inhibits the germination of ophiostomatoid fungi

被引：16
作者：
Hong, Joo-Hyun [1 ]
Lee, Jaejung [1 ]
Min, Mihee [1 ]
Ryu, Seung-mok [2 ]
Lee, Dongho [2 ]
Kim, Gyu-Hyeok [1 ]
Kim, Jae-Jin [1 ]
机构：
[1] Korea Univ, Coll Life Sci & Biotechnol, Div Environm Sci & Ecol Engn, Seoul 136701, South Korea
[2] Korea Univ, Coll Life Sci & Biotechnol, Div Biotechnol, Seoul 136701, South Korea
来源：
HOLZFORSCHUNG | 2014年 / 68卷 / 07期
基金：
新加坡国家研究基金会;
关键词：
biological control agents; fungal extracts; ophiostomatoid fungi; 6-pentyl-alpha-pyrone; Trichoderma gamsii; BIOLOGICAL-CONTROL; ANTAGONISTIC PROPERTIES; GROWTH; WOOD; METABOLITE; HARZIANUM; KOREA; PINE; SPP; LOGS;
D O I：
10.1515/hf-2013-0171
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
The capability of Trichoderma gamsii to biologically control sapstain fungi has been investigated. Six ophiostomatoids, including Ophiostoma floccosum, O. piceae, O. piliferum, O. ips, Grosmannia koreana, and G. piceaperda, were inhibited by the extracts of T. gamsii. Of the various cultivation periods, 7 days of T. gamsii cultivation produced antifungal compounds most efficiently. The crude extracts of T. gamsii inhibited O. ips, G. koreana, and G. piceaperda by over 99%. The crude extracts of T. gamsii were isolated, and the compounds were purified by thin layer chromatography (TLC), open column chromatography, ultra-performance liquid chromatography combined with quadrupole time-of-flight mass spectrometry (UPLC-QToF-MS) and NMR spectroscopy. The active fractions were separated based on the degree of T. gamsii antifungal activity. The compound 6-pentyl-alpha-pyrone (6PAP) was evaluated as a biological control agent for sapstain fungi.
引用
收藏
页码：769 / 774
页数：6
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