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논문 기본 정보

자료유형
학술저널
저자정보
Zhang Dekui (Department of Microbiology College of Life Science Key Laboratory for Agriculture Microbiology Shandong Agricultural University Taian 271018 P.R. China) Sun Weijian (College of Life Science Shandong First Medical University) Xu Wenjie (College of Life Science Shandong First Medical University) Ji Changbo (College of Life Science Shandong First Medical University) Zhou Yang (College of Life Science Shandong First Medical University) Sun Jingyi (College of Life Science Shandong First Medical University) Tian Yutong (College of Life Science Shandong First Medical University) Li Yanling (College of Life Science Shandong First Medical University) Zhao Fengchun (Department of Microbiology College of Life Science Key Laboratory for Agriculture Microbiology Shandong Agricultural University Taian 271018 P.R. China) Tian Yuan (College of Life Science Shandong First Medical University)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제33권 제4호
발행연도
2023.4
수록면
543 - 551 (9page)
DOI
10.4014/jmb.2211.11055

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In this study, five endophytic fungi belonging to the Aspergillus and Alternaria genera were isolated from Lagopsis supina. The antimicrobial activity of all fungal fermented extracts against Staphylococcus and Fusarium graminearum was tested using the cup-plate method. Among them, Aspergillus ochraceus XZC-1 showed the best activity and was subsequently selected for large-scale fermentation and bioactivity-directed separation of the secondary metabolites. Four compounds, including 2- methoxy-6-methyl-1,4-benzoquinone (1), 3,5-dihydroxytoluene (2), oleic acid (3), and penicillic acid (4) were discovered. Here, compounds 1 and 4 displayed anti-fungal activity against F. graminearum, F. oxysporum, F. moniliforme, F. stratum, Botrytis cinerea, Magnaporthe oryzae, and Verticillium dahliae with diverse MIC values (128–512 μg/ml), which were close to that of the positive control antifungal, actidione (64–128 μg/ml). Additionally, compounds 1 and 4 also exhibited moderate antibacterial activity against S. aureus, Listeria monocytogenes, Escherichia coli, and Salmonella enterica, with low MIC values (8–64 μg/ml). Moreover, compounds 1 and 4 displayed selective cytotoxicity against cancer cell lines as compared with the normal fibroblast cells. Therefore, this study proposes that the endophytic fungi from L. supina can potentially produce bioactive molecules to be used as lead compounds in drugs or agricultural antibiotics.

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