| 土壤中砷氧化菌的生理生化及转化砷特性研究 |
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| 引用本文： | 宋卫锋,罗丽丽,林梓河,严明,邓琪,莫于婷.土壤中砷氧化菌的生理生化及转化砷特性研究[J].安徽农业科学,2011,39(6):3397-3399,3418. |
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| 作者姓名： | 宋卫锋 罗丽丽 林梓河 严明 邓琪 莫于婷 |
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| 作者单位： | 广东工业大学环境科学与工程学院,广东广州,510006 |
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| 摘 要： | 目的]通过外加砷源驯化肇庆市鼎湖山自然保护区土壤中细菌,研究砷氧化菌的生理生化及转化砷特性。方法]采用富集、稀释平板、硝酸盐漫过、生理生化指标的测定等。结果]从中分离、鉴定出具有氧化砷功能的产碱杆菌和土壤杆菌2种菌株。结论]这2种菌株最适氧化砷温度为30℃,最适氧化砷pH为9。培养基中乳酸钠浓度对菌株氧化砷有一定的影响。
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| 关 键 词： | 土壤 砷氧化菌 特性 |
Arsenite Transformation Characteristics and Molecular Identification of Arsenic-oxidizing Bacteria Isolated from Soil |
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| SONG Wei-feng et al.Arsenite Transformation Characteristics and Molecular Identification of Arsenic-oxidizing Bacteria Isolated from Soil[J].Journal of Anhui Agricultural Sciences,2011,39(6):3397-3399,3418. |
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| Authors: | SONG Wei-feng |
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| Institution: | SONG Wei-feng et al(College of Environmental Science and Engineering,Guangdong University of Technology,Guangzhou,Guangdong 510006) |
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| Abstract: | Objective] Through domesticated bacteria from the applied arsenic source soil in Dinghushan Nature Reserve of Zhaoqing City,physiological,biochemical and transformation characteristics of arsenic oxide bacteria were studied.Method]The methods of concentration,plates serial dilution,silver nitrate overflowed,physiological characteristic were adopted.Result]They were identified as alcaligenes castellani and agrobacterium conn respectively,which were able to oxidize arsenite(As(III))into arsenate(As(V)).Co... |
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| Keywords: | soil Arsenic-oxidizing bacteria Characteristic |
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