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KMID : 0380020110260060538
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Korean Journal of Biotechnology and Bioengineering
2011 Volume.26 No. 6 p.538 ~ p.542
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Isolation and Characteristics of Alginate lyase Producing Microorganism: Sanguibacter keddieii NC9
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Kim Geun-Hyub
Lee Sung-Mok
Choi Soo-Jeong
Lee Jae-Hwa
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Abstract
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The research was purposed production of oligosaccharide from alginate hydrolysis the main composition in cell walls of sea weed. We was isolated 252 strains from sea water and mud flat, the highest alginate lyase activity was selected, and identified as Sanguibacter keddieii NC9 by 16S rDNA sequence analysis. In this study was select the sodium alginate concentration, pH, temperature for the production of alginate lyase activity. Alginate lyase activity was confirmed from plate assay with 10% cetylpyridinium chloride. The optimum culture conditions for the production of alginate lyase were sodium alginate 10 g/L, peptone 5 g/L, 40oC, pH 9 and 36 hours incubation time. Sanguibacter keddieii NC9, its alginate lyase would be useful for the production of bioenergy and biofunctional oligosaccharides from sea weed.
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KEYWORD
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Alginate lyase, sea water, enzymatic activity, brown algae
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