D. Gowdhaman, Ganesan Jeyalakshmi, Karuppiah Sugumaran, Nagarajan Sai Subramanian, R. Santhosh, Venkatachalam Ponnusami
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Optimization of the xylanase production with the newly isolated Bacillus aerophilus KGJ2
Objective: The objective of the present study was to isolate a potential and novel Bacillus strain from paper mill effluent for the production of an industrially important xylanase. Material and Methods: A potent xylanase producing microorganism was isolated from paper mill effluent based on zone of clearance on xylan agar medium. The strain was identified based on 16S rRNA analysis and biochemical characterization. Xylanase produced by the isolated strain was partially purified and characterized for its activity and stability. Results: The xylanase produced by this Bacillus aerophilus KGJ2 was thermophilic, shows higher activity and stability at 70°C. Xylanase had activity peak at pH 4.0 and was very acid stable. Birchwood xylan and beef extract were identified as best suited carbon source and nitrogen source, respectively. Conclusion: The results confirm that Bacillus aerophilus KGJ2 produced a unique acido-
期刊介绍：
Turkish Journal of Biochemistry (TJB), official journal of Turkish Biochemical Society, is issued electronically every 2 months. The main aim of the journal is to support the research and publishing culture by ensuring that every published manuscript has an added value and thus providing international acceptance of the “readability” of the manuscripts published in the journal.
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