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发明公开
CN110106123A 克雷伯氏菌株Z3及其在还原六价铬离子中的应用 有权

克雷伯氏菌株Z3及其在还原六价铬离子中的应用
摘要：
本发明涉及一个克雷伯氏菌株Z3，其分类为克雷伯氏菌属（Klebsiella sp.），该菌株在中国典型培养物保藏中心的保藏号为：CCTCC NO：M 2018231。本申请从长期堆放废矿渣的土壤中筛选到一株高效还原Cr(VI)的菌株，经形态观察、生理生化特性、16S rRNA核酸序列和系统发育分析，鉴定该菌株为克雷伯氏菌属（Klebsiellasp.），命名为Z3。Cr(VI)的还原特性结果表明：Z3是一株好氧菌，具有嗜碱耐盐的特性，其还原Cr(VI)的最适温度为36℃，最适pH为9.0。
摘要（英）：

The invention relates to a Klebsiella strain Z3. The strain is classified as Klebsiella sp., and the preservation number of the strain in the China Center for Type Culture Collection is CCTCC NO: M 2018231. According to the application, the strain capable of efficiently reducing Cr (VI) is screened out from soil for waste slag which has been stacked for a long time, and through morphological observation, verification of physiological and biochemical characteristics and analysis of the nucleic acid sequence of 16S rRNA and systematic development, the strain is identified as Klebsiellasp. and named as z3. A reduction characteristic result of Cr (VI) shows that Z3 is an aerobic bacterium and has alkali-tolerant and salt-tolerant properties. The optimum temperature for reducing Cr (VI) is 36 DEG C, and the optimum pH is 9.0.

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