厌氧氨氧化菌
氨
自养
亚硝酸盐
细菌
气味
氧化剂
过程(计算)
生化工程
化学
环境科学
计算机科学
生物
氮气
硝酸盐
反硝化
生物化学
工程类
有机化学
反硝化细菌
遗传学
操作系统
作者
Marc Strous,John A. Fuerst,Evelien H. M. Kramer,Susanne Logemann,Gerard Muyzer,Katinka T. van de Pas-Schoonen,Richard I. Webb,J. Gijs Kuenen,Mike S. M. Jetten
出处
期刊:Nature
[Springer Nature]
日期:1999-07-01
卷期号:400 (6743): 446-449
被引量:1514
摘要
With the increased use of chemical fertilizers in agriculture, many densely populated countries face environmental problems associated with high ammonia emissions. The process of anaerobic ammonia oxidation ('anammox') is one of the most innovative technological advances in the removal of ammonia nitrogen from waste water. This new process combines ammonia and nitrite directly into dinitrogen gas. Until now, bacteria capable of anaerobically oxidizing ammonia had never been found and were known as lithotrophs missing from nature. Here we report the discovery of this missing lithotroph and its identification as a new, autotrophic member of the order Planctomycetales, one of the major distinct divisions of the Bacteria. The new planctomycete grows extremely slowly, dividing only once every two weeks. At present, it cannot be cultivated by conventional microbiological techniques. The identification of this bacterium as the one responsible for anaerobic oxidation of ammonia makes an important contribution to the problem of unculturability.
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