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OALib Journal期刊
ISSN: 2333-9721
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一株孔雀石绿降解菌的分离鉴定及降解特性
DOI: 10.3724/SP.J.1145.2010.00390, PP. 390-393
Keywords: 孔雀石绿,生物降解,降解途径,raoultellasp.,废水处理
Abstract:
从某化工厂的废水处理池污泥中分离到一株孔雀石绿降解菌，命名为k4-w.根据生理生化特征和16srrna基因序列相似性分析，将其初步鉴定为raoultellasp.该菌在48h内对20mg/l的孔雀石绿降解率为82.5%，降解孔雀石绿的最适温度为30℃，外加碳源或pb2+对其降解有明显的促进作用，增大接种量也有利于提高降解效率，较高浓度的孔雀石绿则对降解有抑制作用.该菌在降解过程中没有生成无色孔雀石绿，这不同于已报道的孔雀石绿降解途径，但该菌是否具有新的降解途径还需进一步研究.图3参24
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