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Journal :   Research Journal of Pharmacy and Technology

Volume No. :   10

Issue No. :  2

Year :  2017

Pages :   533-536

ISSN Print :  0974-3618

ISSN Online :  0974-360X


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Overproduction of Pyocyanin in Pseudomonas aeruginosa by Supplementation of Pathway Precursor Shikimic acid and Evaluation of its Activity



Address:   Vipin C1, Ashwini P2, Kavya AV3, Rekha PD4*
1Junior Research Fellow, Yenepoya Research Centre, Yenepoya University
2Assistant Professor, Yenepoya Research Centre, Yenepoya University
3 M.Sc. Department of Bioscience, Mangalore University
4 Professor and Deputy Director, Yenepoya Research Centre, Yenepoya University
*Corresponding Author
DOI No: 10.5958/0974-360X.2017.00106.8

ABSTRACT:
Pyocyanin is a fluorescent phenazine compound with enormous biotechnological applications. In this study, the production of pyocyanin by P. aeruginosa PAO1 was investigated under different growth conditions. Optimization of growth media was carried out using nutrient broth, tryptic soy broth, Pseudomonas broth and Luria bertani broth. The effect of incubation time, and temperature on production of pyocyanin was investigated. Subsequently, shikimic acid pathway mediated pyocyanin overproduction was targeted using Illicium verum hot water extract as a source of shikimic acid for phenazine biosynthesis. Pyocyanin was purified and tested for its activity against glioma cells. Optimum yield of pyocyanin was obtained in nutrient broth at 37 ºC and pH 7.2. We also found that supplementation of nutrient media with Illicium verum extract increased the pyocyanin production. Pyocyanin exhibited cytotoxicity of 66.34% at 200µg/ml concentration against glioma cells.
KEYWORDS:
Pyocyanin, Pseudomonas aeruginosa, product optimization, anticancer, glioma
Cite:
Vipin C, Ashwini P, Kavya AV, Rekha PD. Overproduction of Pyocyanin in Pseudomonas aeruginosa by Supplementation of Pathway Precursor Shikimic acid and Evaluation of its Activity. Research J. Pharm. and Tech. 2017; 10(2): 533-536.
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