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Microbial transformation of benzosampangine.
K Y Orabi1, A M Clark, C D Hufford
1Department of Pharmacognosy and National Center for Natural Products Research, Research Institute of Pharmaceutical Sciences, School of Pharmacy, The University of Mississippi, University, Mississippi 38677, USA.
Journal of Natural Products
|April 11, 2000
Summary
Microbial metabolism transformed the synthetic antifungal benzosampangine into a beta-glucopyranose conjugate. This study details the microbial transformation of benzosampangine by various fungi, yielding a consistent conjugate product.
Area of Science:
- Microbiology
- Natural Product Chemistry
- Biotechnology
Background:
- Benzosampangine is a synthetic alkaloid with antifungal properties.
- Understanding its metabolic fate is crucial for drug development and understanding microbial interactions.
Purpose of the Study:
- To investigate the microbial transformation of benzosampangine.
- To identify the metabolites produced by various microorganisms.
Main Methods:
- Standard two-stage fermentation technique was employed.
- Incubation of benzosampangine with selected microbial strains: Absidia glauca, Cunninghamella blakesleeana, Cunninghamella species, Fusarium solani f. sp. cucurbitae, and Rhizopogon species.
- Spectroscopic data analysis for metabolite identification.
Main Results:
- Multiple microorganisms metabolized benzosampangine.
- A consistent beta-glucopyranose conjugate of benzosampangine was produced by all tested microbial species.
- The structure of the conjugate was confirmed via spectroscopic analysis.
Conclusions:
- Benzosampangine undergoes microbial transformation into a specific beta-glucopyranose conjugate.
- This metabolic pathway is conserved across diverse fungal species.
- The findings provide insights into the biotransformation of synthetic alkaloids.