Isolation of Arsenite-Oxidizing Bacteria from Arsenic-Enriched Sediments from Camarones River, Northern Chile

被引：0

作者：

C. Valenzuela

V. L. Campos

J. Yañez

C. A. Zaror

M. A. Mondaca

机构：

[1] University of Concepción,Microbiology Department

[2] University of Concepción,Chemical Inorganic and Analytical Department

[3] University of Concepción,Engineering Department

[4] University of Concepción,Environmental Science Center. EULA

来源：

Bulletin of Environmental Contamination and Toxicology | 2009年 / 82卷

关键词：

Arsenite-oxidizing; Arsenite resistant Pseudomonas; Arsenite-oxidase gene;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In Northern Chile, high arsenic concentrations are found in natural water, both natural and anthropogenic sources, a significant health risk. Nine bacterial strains were isolated from Camarones river sediments, located in Northern Chile, a river showing arsenic concentrations up to 1,100 μg/L. These strains were identified as Pseudomonas and they can oxidize arsenite (As(III)) to the less mobile arsenate (As(V)). The arsenite oxidase genes were identified in eight out of nine isolates. The arsenite oxidizing ability shown by the nine strains isolated from arsenic enriched sediments open the way to their potential application in biological treatment of effluents contaminated with arsenic.

引用

页码：593 / 596

页数：3

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