Accumulation of hexavalent chromium by an exopolysaccharide producing marine Enterobacter cloaceae

被引：74

作者：

Iyer, A ^{[1
]}

Mody, K ^{[1
]}

Jha, B ^{[1
]}

机构：

[1] Cent Salt & Marine Chem Res Inst, Bhavnagar 364002, Gujarat, India

来源：

MARINE POLLUTION BULLETIN | 2004年 / 49卷 / 11-12期

关键词：

bacteria; bioremediation; Enterobacter cloaceae; exopolysaccharide; hexavalent chromium; marine;

D O I：

10.1016/j.marpolbul.2004.06.023

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

An exopolysaccharide producing Enterobacter cloaceae (AK-I-MB-71a) was tested for its Cr (VI) tolerance. This isolate was not only resistant to this heavy metal but also showed enhanced growth and exopolysaccharide production in the presence of Cr (VI) at 25, 50 and 100 ppm concentrations. XRF analysis of both the biomass as well as the exopolysaccharide revealed that a sum total of about 60-70% chromium was accumulated by this bacterium. This indicated that this organism could prove to be a potential candidate in the field of bioremediation with respect to chromium removal. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：974 / 977

页数：4

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