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OALib Journal期刊
ISSN: 2333-9721
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聚乙二醇高效降解菌的筛选及降解特性
DOI: 10.3724/SP.J.1145.2013.00857, PP. 857-861
Keywords: 聚乙二醇（peg）,菌株筛选,生物降解,16srdna序列,不动杆菌,表面活性剂污染
Abstract:
为向微生物应用于表面活性剂污染处理提供菌种资源，在受表面活性剂污染的河流中分离得到一种能降解聚乙二醇的菌，该菌能在以聚乙二醇400（peg400）为唯一碳源的无机盐培养基中生长，将其命名为p-1菌。通过生理生化反应及16srdna序列分析，确定p-1菌为不动杆菌属（acinetobacter）。考察菌株降解peg400过程中的最佳条件因素，结果显示，在30℃下，菌株接种量为8%，ph值为7.2-8.0，1650mg/l的peg400溶液，经过5d后降解率为83%。该结果表明p-1菌可作为表面活性剂污染处理的优良菌株资源。图5表1参22
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