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微生物学通报 2011
Identification of a thermophilic bacterium and preliminary characterization of the secreted xylanase
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Abstract:
The bacterium isolated from a water sample of Yunnan tengchong hot spring can secrete a kind of thermophilic xylanase.It was identified and named as Geobacillus sp.PZH1 by morphologic observation,physio-biochemical characteristics and 16S rDNA sequence alignment.Subsequently,its secreted xylanase and the xylanase's characteristics were researched preliminarily.SDS-PAGE electrophoresis and zymogram analysis suggested that the xylanase's molecular mass was 69 kD;the optimum pH and temperature of the partially...
