Σφακιανάκης Αλέξανδρος
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Δευτέρα 23 Νοεμβρίου 2015

Penicillium chrysogenum DSOA associated with marine sponge (Tedania anhelans) exhibit antimycobacterial activity

Publication date: Available online 23 November 2015
Source:Microbiological Research
Author(s): Visamsetti Amarendra, Ramachandran Sarojini Santhosh, Kandasamy Dhevendaran
A strain of Penicillium chrysogenum was isolated from Tedania anhelans (marine sponge) collected from Indian Ocean (8° 22′ 30″ N latitude and 76° 59′ 16″ longitude) and deposited in culture collection centers. The strain subjected to different culture conditions for production of extrolites were extracted using ethyl acetate and chloroform. When both extracts were subjected for antibacterial activity, latter had high activity. Minimum inhibitory concentration of chloroform extract ranged from 31.25-1000μg/mL in tested microbes such as, Mycobacterium tuberculosis H37Ra, Mycobacterium avium, Mycobacterium fortuitum, Mycobacterium smegmatis, Mycobacterium vaccae, Staphylococcus aureus, Aeromonas hydrophila, Pseudomonas aeruginosa and Vibrio cholerae. No cytotoxicity was observed in Vero cell line up to 399.10μg/mL. Antibacterial activity previously reported by Parameswaran et al. in 1997 from ethyl acetate extract of T. anhelans might be due to the diketopiperazines, Cyclo-(L-Pro-L-Phe) and Cyclo-(L-Leu-L-Pro) produced by the associated fungi-Penicillium chrysogenum DSOA. It is producing a metabolites having antimycobacterial activity, a first report.



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