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Hamed AA, Soldatou S, Qader MM, Arjunan S, Miranda KJ, Casolari F, Pavesi C, Diyaolu OA, Thissera B, Eshelli M, Belbahri L, Luptakova L, Ibrahim NA, Abdel-Aziz MS, Eid BM, Ghareeb MA, Rateb ME, Ebel R.
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Microorganisms. 2020 Oct 21;8(10):1617. doi: 10.3390/microorganisms8101617.
Abstract
Marine endophytic fungi from under-explored locations are a promising source for the discovery of new bioactivities. Different endophytic fungi were isolated from plants and marine organisms collected from Wadi El-Natrun saline lakes and the Red Sea near Hurghada, Egypt. The isolated strains were grown on three different media, and their ethyl acetate crude extracts were evaluated for their antimicrobial activity against a panel of pathogenic bacteria and fungi as well as their antioxidant properties. Results showed that most of the 32 fungal isolates initially obtained possessed antimicrobial and antioxidant activities. The most potent antimicrobial extracts were applied to three different cellulose containing fabrics to add new multifunctional properties such as ultraviolet protection and antimicrobial functionality. For textile safety, the toxicity profile of the selected fungal extract was evaluated on human fibroblasts. The 21 strains displaying bioactivity were identified on molecular basis and selected for chemical screening and dereplication, which was carried out by analysis of the MS/MS data using the Global Natural Products Social Molecular Networking (GNPS) platform. The obtained molecular network revealed molecular families of compounds commonly produced by fungal strains, and in combination with manual dereplication, further previously reported metabolites were identified as well as potentially new derivatives.
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Link/DOI: 10.3390/microorganisms8101617