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6-Pentyl-alpha-pyrone as an anti-sapstain compound produced by Trichoderma gamsii KUC1747 inhibits the germination of ophiostomatoid fungi
- Authors
- Hong, Joo-Hyun; Lee, Jaejung; Min, Mihee; Ryu, Seung-mok; Lee, Dongho; Kim, Gyu-Hyeok; Kim, Jae-Jin
- Issue Date
- Oct-2014
- Publisher
- WALTER DE GRUYTER GMBH
- Keywords
- biological control agents; fungal extracts; ophiostomatoid fungi; 6-pentyl-alpha-pyrone; Trichoderma gamsii
- Citation
- HOLZFORSCHUNG, v.68, no.7, pp.769 - 774
- Indexed
- SCIE
SCOPUS
- Journal Title
- HOLZFORSCHUNG
- Volume
- 68
- Number
- 7
- Start Page
- 769
- End Page
- 774
- ISSN
- 0018-3830
- Abstract
- 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.
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Related Researcher
- KIM, Gyu Hyeok
- College of Life Sciences and Biotechnology (Division of Environmental Science and Ecological Engineering)