Isotopic evidence for biological nitrogen fixation by molybdenum-nitrogenase from 3.2 Gyr

被引：0
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作者：
Eva E. Stüeken
Roger Buick
Bradley M. Guy
Matthew C. Koehler
机构：
[1] University of Washington,Department of Earth & Space Sciences and Astrobiology Program
[2] University of Johannesburg,Department of Geology
[3] Auckland Park 2006,undefined
[4] South Africa,undefined
[5] Present address: Mineral Services,undefined
[6] SGS South Africa,undefined
[7] 58 Melville Street,undefined
[8] Booysens,undefined
[9] Johannesburg 2091,undefined
[10] South Africa.,undefined
来源：
Nature | 2015年 / 520卷
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摘要：
Nitrogen isotope ratios from rocks between 3.2 and 2.75 billion years old are most readily explained by biological nitrogen fixation, most probably using the metal molybdenum as a cofactor, showing that nitrogen fixation is at least 3.2 billion years old and suggesting that molybdenum was available to organisms long before the Great Oxidation Event.
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页码：666 / 669
页数：3
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