Abstract
Production of chitinase from bacteria has distinct advantages over fungi, due to the formation of mycelia of fungi in the later phase of fermentation. A novel chitinase-producing bacterial strain XJ-01 was isolated from the Yulu fishing field of Changsha, Hunan province, China, by enrichment and spread-plate technique, sequentially. Physicochemical characterization and 16S rRNA sequencing revealed that strain XJ-01 belongs to Serratia marcescens. By optimizing the fermentation condition based on L9(34) orthogonal experimental design, a maximal chitinase activity up to 15.36 U/ml was attained by that stain under the condition: 0.5% (NH4)2SO4 as the nitrogen source, 0.75% colloidal chitin as the carbon source, temperature of 32°C, time of 32 h and pH 8.0.
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This work was supported by the National Natural Science Foundation of China (Nos. 50621063, 50674101).
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Xia, JL., Xiong, J., Zhang, RY. et al. Production of Chitinase and its Optimization from a Novel Isolate Serratia marcescens XJ-01. Indian J Microbiol 51, 301–306 (2011). https://doi.org/10.1007/s12088-011-0139-9
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DOI: https://doi.org/10.1007/s12088-011-0139-9