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Updated: Aug 5, 2026

Isolation, Characterization, and Total DNA Extraction to Identify Endophytic Fungi in Mycoheterotrophic Plants
Published on: May 5, 2023
Diversity and antimicrobial potential of endophytic fungi from Egyptian desert medicinal plants
Tereza Ježková1,2, Mo'men Hamed El-Katatny3,4, Mohamed A Mawhoup5
1Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, Prague 4, 142 20, Czech Republic. jezkova.t@gmail.com.
Abstract:
Fungal endophytes from desert medicinal plants represent a promising yet underexplored source of bioactive secondary metabolites. In this study, 33 ascomycetous endophytes were isolated from five desert medicinal plant species collected in Egypt: Thymelaea hirsuta (L.) Endl., Zygophyllum album L.f., Zygophyllum coccineum L., Asparagus horridus L., and Asphodelus ramosus L. Molecular analyses revealed several species with potential thermotolerance or plant-growth-promoting capabilities, suggesting that they may contribute to host resilience in harsh arid environments. Ethyl acetate extracts of 29 isolates were screened for their antimicrobial activities against Escherichia coli, Klebsiella pneumoniae, methicillin-resistant Staphylococcus aureus, and Candida albicans. Several strains exhibited notable inhibitory effects. In particular, Canariomyces notabilis (GenBank accession nos. PZ502997, PZ530688) and Taifanglania parvispora (GenBank accession nos. PZ503016, PZ530694) displayed pronounced antimicrobial activity. Taifanglania parvispora CCF 6980 exhibited the strongest activity against MRSA (28 mm inhibition zone), whereas Canariomyces notabilis CCF 6973 showed broad-spectrum antimicrobial activity, producing inhibition zones of 20-31 mm, with the highest activity observed against Candida albicans. These findings highlight their potential for further investigation, especially as their secondary metabolites remain uncharacterised. Overall, this study expands the known diversity of fungal endophytes associated with Egyptian desert medicinal plants and highlights several taxa as potential sources of novel antimicrobial compounds.
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