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논문 기본 정보

자료유형
학술저널
저자정보
Shah Waqas Hussain (Department of Biotechnology, COMSATS University Islamabad, Abbottabad CampusDepartment of Chemistry, Institute of Chemistry of Renewable Resources, University of Natural Resources and Life S) Khan Wajiha (Department of Biotechnology, COMSATS University Islamabad, Abbottabad Campus) Nisa Sobia (Department of Microbiology, The University of Haripur, Haripur 22620, Pakistan) Barfuss Michael H.J. (Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030 Vienna, Austria) Schinnerl Johann (Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030 Vienna, Austria) Bacher Markus (Department of Chemistry, Institute of Chemistry of Renewable Resources, University of Natural Resources and Life Sciences (BOKU), Tulln 3430, Austria) Valant-Vetschera Karin (Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030 Vienna, Austria) Ali Ashraf (Department of Chemistry, Faculty of Physical and Applied Sciences, The University of Haripur, Haripur 22620, PakistanSchool of Chemistry and Chemical Engineering, Henan University of Technol) Nafidi Hiba-Allah (Department of Food Science, Faculty of Agricultural and Food Sciences, Laval University, 2325 Quebec City, QC G1V 0A6, Canada) Jardan Yousef A. Bin (Department of Pharmaceutics, College of Pharmacy, King Saud University, P.O. Box 11451, Riyadh, Saudi Arabia) Giesy John P. (Toxicology Centre, University of Saskatchewan, Saskatoon, SK S7N 5B3, CanadaDepartment of Veterinary Biomedical Sciences, University of Saskatchewan, Saskatoon, SK S7N 5B4, CanadaDepartment)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology Vol.34 No.7
발행연도
2024.7
수록면
1,452 - 1,463 (12page)
DOI
10.4014/jmb.2403.03036

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초록· 키워드

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Fungi generate different metabolites some of which are intrinsically bioactive and could therefore serve as templates for drug development. In the current study, six endophytic fungi namely Aspergillus flavus, Aspergillus tubigenesis, Aspergillus oryzae, Penicillium oxalicum, Aspergillus niger, and Aspergillus brasiliensis were isolated and identified from the medicinal plant, Silybum marianum. These endophytic fungi were identified through intra transcribed sequence (ITS) gene sequencing. The bioactive potentials of fungal extracts were investigated using several bioassays such as antibacterial activity by well-diffusion, MIC, MBC, anti-biofilm, antioxidant, and haemolysis. The Pseudomonas aeruginosa PAO1 was used to determine the antibiofilm activity. The ethyl acetate extract of Aspergillus flavus showed strong to moderate efficacy against Staphylococcus aureus, Escherichia coli, P. aeruginosa, and Bacillus spizizenii. Aspergillus flavus and Aspergillus brasiliensis exhibited significant antibiofilm activity with IC50 at 4.02 and 3.63 mg/ml, while A. flavus exhibited maximum antioxidant activity of 50.8%. Based on HPLC, LC-MS, and NMR experiments kojic acid (1) and carbamic acid (methylene-4, 1-phenylene) bis-dimethyl ester (2) were identified from A. flavus. Kojic acid exhibited DPPH free radical scavenging activity with an IC50 value of 99.3 μg/ml and moderate activity against ovarian teratocarcinoma (CH1), colon carcinoma (SW480), and non-small cell lung cancer (A549) cell lines. These findings suggest that endophytic fungi are able to produce promising bioactive compounds which deserve further investigation.

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