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OALib Journal期刊
ISSN: 2333-9721
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一株高浸磷嗜酸氧化硫硫杆菌的分离与鉴定
DOI: 10.3724/SP.J.1145.2011.00326, PP. 326-329
Keywords: 嗜酸氧化硫硫杆菌,菌种筛选,16srdna,生物浸磷,黄铁矿
Abstract:
从矿山土样中分离到一株嗜酸的浸磷矿细菌hy-01，观察其形态并研究其培养特征.结果显示，该菌株为革兰氏阴性、短杆状运动细菌，菌体长1~2μm，宽0.5~0.7μm，能在ph1.5~8.0的范围内生长，最适生长温度为37℃，最适ph为1.5~3.0.该菌株可以kno3、nh4no3、(nh4)2co3、nh4h2po4、(nh4)2so4以及蛋白胨为氮源，以元素硫和黄铁矿中的硫为能源，不能利用有机物质以及硫代硫酸钠、硫酸亚铁等无机物为能源生长.形态、生理生化特性研究以及16srdna序列分析表明，该菌株为嗜酸氧化硫硫杆菌.浸矿实验结果表明其具有很高的磷矿浸出能力.图6表1参18
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