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反硝化聚磷菌的分离鉴定及其特性研究

, PP. 171-176

Keywords: 反硝化聚磷菌,筛选,鉴定,温度,pH

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Abstract:

通过除磷试验、反硝化产气试验以及异染颗粒和聚-β-羟基丁酸(PHB)颗粒染色试验,从内蒙古乌梁素海湖水中筛选出一株高效反硝化聚磷菌株P1-1。经过形态、生理生化试验、BIOLOG碳源利用分析以及16SrRNA基因序列分析,鉴定该菌株为荧光假单胞菌(Pseudomonasfluorescens)。测定了菌株P1-1的生长曲线,主要研究了温度、pH对菌株P1-1的生长和除磷率的影响,结果表明培养12h以后菌株P1-1就开始进入稳定期;菌株P1-1的最佳生长和除磷条件为温度30℃,pH8.0。

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