Urease Activity of Ureolytic Bacteria Isolated from Six Soils in which Calcite was Precipitated by Indigenous Bacteria

被引:129
作者
Burbank, Malcolm B. [2 ,3 ]
Weaver, Thomas J. [4 ]
Williams, Barbara C. [1 ]
Crawford, Ronald L.
机构
[1] Univ Idaho, Dept Biol & Agr Engn, Moscow, ID 83844 USA
[2] Univ Idaho, Environm Biotechnol Inst, Moscow, ID 83844 USA
[3] Univ Idaho, Dept Microbiol Mol Biol & Biochem, Moscow, ID 83844 USA
[4] US Nucl Regulatory Commiss, Washington, DC 20555 USA
基金
美国国家科学基金会;
关键词
urease activity; calcite; indigenous bacteria; microbial induced calcite precipitation; biocement; 16S RIBOSOMAL-RNA; CARBONATE PRECIPITATION; IDENTIFICATION; GENES; GROUNDWATER; ADSORPTION; PRIMERS;
D O I
10.1080/01490451.2011.575913
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Ten distinct and phylogenetically diverse bacterial strains able to produce urease constitutively, even in the presence of high levels of ammonia, were isolated. Each isolate was characterized with respect to morphology, growth conditions, 16S rRNA sequence identity and the urease specific activity each isolate was measured. At least one bacteria that was able to hydrolyze urea in the presence of high concentration of ammonia was isolated from each soil tested. These results indicate that constitutive production of urease is a common trait in soil bacteria. This makes the general application of biomineralization process based on stimulation of urea hydrolysis possible and potentially useful for a variety of soil bioengineering and environmental bioremediation applications.
引用
收藏
页码:389 / 395
页数:7
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