分子氢对极端嗜热嗜酸古菌 Metallosphaera sedula 浸出黄铜矿的影响。
Impact of molecular hydrogen on chalcopyrite bioleaching by the extremely thermoacidophilic archaeon Metallosphaera sedula.
机构信息
Department of Chemical and Biomolecular Engineering, North Carolina State University, EB-1, 911 Partners Way, Raleigh, NC 27695-7905, USA.
出版信息
Appl Environ Microbiol. 2010 Apr;76(8):2668-72. doi: 10.1128/AEM.02016-09. Epub 2010 Feb 26.
Abstract
Hydrogen served as a competitive inorganic energy source, impacting the CuFeS(2) bioleaching efficiency of the extremely thermoacidophilic archaeon Metallosphaera sedula. Open reading frames encoding key terminal oxidase and electron transport chain components were triggered by CuFeS(2). Evidence of heterotrophic metabolism was noted after extended periods of bioleaching, presumably related to cell lysis.
摘要
氢气作为一种竞争性无机能源，影响了极端嗜热嗜酸古菌 Metallosphaera sedula 对 CuFeS2 的生物浸出效率。编码关键末端氧化酶和电子传递链组件的开放阅读框被 CuFeS2 触发。在生物浸出的长时间后，观察到了异养代谢的证据，这可能与细胞裂解有关。
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