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Química Nova

Print version ISSN 0100-4042On-line version ISSN 1678-7064


VITA-MARQUES, Aline Maria de et al. A multi-screening approach for marine-derived fungal metabolites and the isolation of cyclodepsipeptides from Beauveria felina. Quím. Nova [online]. 2008, vol.31, n.5, pp.1099-1103. ISSN 0100-4042.

Extracts obtained from 57 marine-derived fungal strains were analyzed by HPLC-PDA, TLC and 1H NMR. The analyses showed that the growth conditions affected the chemical profile of crude extracts. Furthermore, the majority of fungal strains which produced either bioactive of chemically distinctive crude extracts have been isolated from sediments or marine algae. The chemical investigation of the antimycobacterial and cytotoxic crude extract obtained from two strains of the fungus Beauveria felina have yielded cyclodepsipeptides related to destruxins. The present approach constitutes a valuable tool for the selection of fungal strains that produce chemically interesting or biologically active secondary metabolites.

Keywords : marine-derived fungi; screening; Beauveria felina.

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