Effect of Changing Culture Media on Metabolites of Endophytic Fungi from Halocnemum strobilaceum
AbdelRazek, M., Moussa, A., Elshanawany, M., Singab, A. (2020). Effect of Changing Culture Media on Metabolites of Endophytic Fungi from Halocnemum strobilaceum. EKB Journal Management System, 4(1), 135-144. doi: 10.21608/APS.2020.2004.1044
Mohamed M. AbdelRazek; Ashaimaa Y. Moussa; Mohamed M. Elshanawany; Abdel-Nasser Singab. "Effect of Changing Culture Media on Metabolites of Endophytic Fungi from Halocnemum strobilaceum". EKB Journal Management System, 4, 1, 2020, 135-144. doi: 10.21608/APS.2020.2004.1044
AbdelRazek, M., Moussa, A., Elshanawany, M., Singab, A. (2020). 'Effect of Changing Culture Media on Metabolites of Endophytic Fungi from Halocnemum strobilaceum', EKB Journal Management System, 4(1), pp. 135-144. doi: 10.21608/APS.2020.2004.1044
AbdelRazek, M., Moussa, A., Elshanawany, M., Singab, A. Effect of Changing Culture Media on Metabolites of Endophytic Fungi from Halocnemum strobilaceum. EKB Journal Management System, 2020; 4(1): 135-144. doi: 10.21608/APS.2020.2004.1044

Effect of Changing Culture Media on Metabolites of Endophytic Fungi from Halocnemum strobilaceum

Archives of Pharmaceutical Sciences Ain Shams University
Article 12, Volume 4, Issue 1, June 2020, Page 135-144  XML PDF (626.47 K)
Document Type: Original Article
DOI: 10.21608/APS.2020.2004.1044
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Authors
Mohamed M. AbdelRazekorcid 1; Ashaimaa Y. Moussa email orcid 2; Mohamed M. Elshanawany1; Abdel-Nasser Singab3
1Badr University in Cairo
2Ain shams University, faculty of pharmacy
3Prof. of Pharmacognosy, Ain Shams University Vice President for Postgraduates studies and Research, Cairo, Egypt
Abstract
Halocnemum strobilaceum halophyte occupies tidal and coastal environments in Egypt. Endophytes have the potential to yield novel and important natural products. Herein we evaluate the effect of changing media on the production of secondary metabolites by Halocnemum strobilaceum endophytes. Endophytic fungal ethyl acetate extracts of different culturing media; corn “Zea mays” (CGA), rice “Oryza sativa” media (M1), cowpea “Vigna unguiculata” (M2), painted pony “Phaseolus vulgaris” (M3) and broad bean “Vicia faba”(M4), were screened to evaluate their cytotoxic and antimicrobial activities. Media showing the highest antibacterial activities of fungal metabolites were riceculture media with Penicillium citrinum E-346 and broad bean media with Aspergillus flavus RF-03with MIC (Minimum inhibitory concentration) value of 0.94 µg/mL for both against Bacillus subtilis (ATCC-6633). No antifungal activities against Candida albicans or Aspergillus niger were noticed with any of the tested fungal strains. The cytotoxicity assays using the MTT (3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide) method against the breast cancer cell line (MCF-7) manifested a good safety index with all media. This evaluation aims to select the best growth conditions for the isolated endophytic fungi to direct further studies toward the best media for chemical investigation of their antimicrobial metabolites.
Keywords
optimization of media; antimicrobial activity; cytotoxicity; safety index; Halocnemum endophytes
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