International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064


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Research Paper | Microbiology | India | Volume 3 Issue 6, June 2014


Optimization; Purification of Cellulase Produced from Bacillus subtilis subsp. inaquosorum under Solid State Fermentation and its Potential Applications in Denim Industry

Richa Gautam, Jitender Sharma


Abstract: A bacterial isolate from soil samples contaminated with decaying lignocellulosic wastes and effluents of cotton industry was isolated for cellulase production and was identified as Bacillus subtilis subsp. inaquosorum after morphological; biochemical and phlogenetic analysis. Under optimized solid state fermentation conditions maximum cellulase production 71.15 IU/ml was obtained with wheat bran as carbon source in MA-1 mineral media and fructose and yeast extract as additives under 48 hr of production period at 37C; with 30 % inoculum size. Moisture level of 1: 2 (w/v) was found best for cellulase production. The crude cellulase so produced was further analysed for its potential applications in biostoning of denim. The purification of cellulase was carried out by ammonium sulfate precipitation followed by ion-exchange chromatography using DEAE-Sepharose and Sephadex G -150. The molecular weight of the purified carboxymethylcellulase (CMCase) was estimated to be about 32.5 kDa with the analysis of SDS-PAGE.


Keywords: Bacillus subtilis, biostoning, cellulase, lignocellulosic waste, chromatography


Edition: Volume 3 Issue 6, June 2014,


Pages: 1759 - 1763


How to Cite this Article?

Richa Gautam, Jitender Sharma, "Optimization; Purification of Cellulase Produced from Bacillus subtilis subsp. inaquosorum under Solid State Fermentation and its Potential Applications in Denim Industry", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=2014596, Volume 3 Issue 6, June 2014, 1759 - 1763

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