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Title: Influence of nitrogen sources and heavy metal ions on the production of rifamycin oxidase by Chryseobacterium sp.
Authors: Jobanputra, A H
Chincholkar, S B
Keywords: Biotransformation
Rifamycin oxidase
Issue Date: Aug-2007
Publisher: CSIR
Abstract: Effect of N sources and heavy metal ions on cell growth, pH and rifamycin oxidase (RO) productivity by Chryseobacterium sp. was observed. Supplementation of malt extract showed pH close to neutral for 24 h followed by slight increase, whereas RO productivity significantly enhanced (36 IU ml ⁻¹) as compared to control (29 IU ml⁻¹) within 12 h. RO production was considerably stimulated in presence of Ca⁺⁺, K⁺ and Na⁺. Chryseobacterium sp. showed increase in enzyme activity by 38.77 % in presence of Ca2⁺ and K⁺ and 48.77 % in presence of Na⁺.
Page(s): 615-617
ISSN: 0022-4456
Source:JSIR Vol.66(08) [August 2007]

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