MEDIATION OF SULFUR SPECIATION BY A BLACK-SEA FACULTATIVE ANAEROBE

被引:69
作者
PERRY, KA [1 ]
KOSTKA, JE [1 ]
LUTHER, GW [1 ]
NEALSON, KH [1 ]
机构
[1] UNIV WISCONSIN,CTR GREAT LAKES STUDIES,MILWAUKEE,WI 53204
关键词
D O I
10.1126/science.259.5096.801
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Shewanella putrefaciens, a respiratory facultative anaerobe isolated from the Black Sea, can reduce thiosulfate, sulfite, and elemental sulfur to sulfide readily and quantitatively. This widespread and anaerobically versatile microorganism, which is incapable of reducing sulfate, uses oxidized sulfur intermediates as electron acceptors during the respiratory oxidation of organic matter. Because of its widespread distribution and abundance, it may play a significant role in sulfur and trace metal cycling in the Black Sea and in other marine and freshwater anaerobic environments.
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收藏
页码:801 / 803
页数:3
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