Biological function and molecular properties of Pyrenaican SF-1 as biological macromolecule extracted from Daldinia pyrenaica

Molecular properties and biological functions of Pyrenaican SF-1 as a novel biological macromolecule extracted from a fungal isolate were studied. The isolate was identified as Daldinia pyrenaica on the basis of 5.8S rDNA sequencing. Pyrenaican SF-1 was obtained from the culture filtrate of the fungal isolate. The partial characterization of biochemical structure of Pyrenaican SF-1 was conducted. The fungal extract was also tested for the treatment of AGS, MDA and HeLa cell lines to assess cells proliferation, cells cycle and apoptosis. Furthermore, Pyrenaican SF-1 extract was tested for its antibacterial and antioxidant activity. Initial chemical analysis revealed that Pyrenaican SF-1 extract was composed of various monosaccharides such as d-glucose, D- mannitol, D-arabinose and β-D-ribopyranose. In vitro study indicated that Pyrenaican SF-1 could effectively elevate percentage of apoptosis and necrosis of cancer cells and block cell cycle phase of the control group. The fungal extract could inhibit proliferation of Hela and MDA cell up to 67% and 56%, respectively. Moreover, Pyrenaican SF-1 represented a strong antioxidant activity compared to that one obtained from vitamin C. On the other hand, Pyrenaican SF-1 exhibited growth inhibitory effects against different Gram-negative and Gram-positive bacterial strains. Pyrenaican SF-1 can be considered as a bioactive macromolecule with promising application in pharmaceutical and medical sectors.

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