Impact of Molecular Hydrogen on Chalcopyrite Bioleaching by the Extremely Thermoacidophilic Archaeon Metallosphaera sedula

被引:28
作者
Auernik, Kathryne S. [1 ]
Kelly, Robert M. [1 ]
机构
[1] N Carolina State Univ, Dept Chem & Biomol Engn, Raleigh, NC 27695 USA
关键词
GENOME SEQUENCE; FERROUS IRON; GENES; ORGANIZATION; METABOLISM; EXPRESSION; OXIDASE; OPERON; PQQ;
D O I
10.1128/AEM.02016-09
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Hydrogen served as a competitive inorganic energy source, impacting the CuFeS2 bioleaching efficiency of the extremely thermoacidophilic archaeon Metallosphaera sedula. Open reading frames encoding key terminal oxidase and electron transport chain components were triggered by CuFeS2. Evidence of heterotrophic metabolism was noted after extended periods of bioleaching, presumably related to cell lysis.
引用
收藏
页码:2668 / 2672
页数:5
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