Isolation, Molecular Identification and Characterization of the Culture Conditions for Extracellular Uricase Production by a New Strain of Pseudomonas sp

Ghasemian, A and Baniasad, M and Moradpour, Z and Ghasemi, Y (2015) Isolation, Molecular Identification and Characterization of the Culture Conditions for Extracellular Uricase Production by a New Strain of Pseudomonas sp. JOURNAL OF PURE AND APPLIED MICROBIOLOGY, 9 (4). pp. 2813-2823.

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Abstract

An uricase producing bacteria was isolated from soil through a screening program with a medium containing uric acid as sole carbon source. On the basis of the biochemical and phenotypic data, together with molecular analysis based on 16S rDNA gene sequences, this strain identified as a novel species of the genus Pseudomonas. The optimum conditions for uricase production by this Pseudomonas isolate were determined by studying the effect of some environmental and cultural factors. Among seven variables tested in our study to optimize uricase production by Pseudomonas sp., carbon and nitrogen sources, pH and CuSO4 were selected based on their high significant effect on uricase production. The optimal combination of the major constituents of media for uricase production evaluated from the optimization algorithm of Box-Behnken was as follows: glucose, 0.1%; pH, 7; yeast extract, 0.5%; and CuSO4, 0.001g

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