SOLUBILIZATION OF HEAVY-METAL SULFIDES BY HETEROTROPHIC SOIL BACTERIA

被引:13
|
作者
COLE, MA
机构
关键词
D O I
10.1097/00010694-197905000-00009
中图分类号
S15 [土壤学];
学科分类号
0903 ; 090301 ;
摘要
Several heterotrophic bacteria that solubilized PbS were isolated from soil. Depending on the isolate and medium composition, the isolates solubilized 0.3-56 .mu.g Pb2+ per/ml of medium during 24 h of active growth. The organisms also solubilized ZnS, CdS and CuS, but had no activity against PbSO4, PbO or Pb3O4. The isolates produced neither 2-ketogluconic acid or siderochromes, suggesting that the organisms produce a previously undescribed solubilizing agent.
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页码:313 / 317
页数:5
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