期刊
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
卷 103, 期 1, 页码 177-189出版社
SPRINGER
DOI: 10.1007/s00253-018-9486-3
关键词
Nitrification; Comammox; Nitrospira; Complete nitrification; Nitrite-oxidizing bacteria; Ammonia-oxidizing microorganisms
资金
- Radboud Excellence Initiative
- Netherlands Organization for Scientific Research (NWO) [024.002.002, 863.14.019]
Nitrification, the oxidation of ammonia via nitrite to nitrate, has been considered to be a stepwise process mediated by two distinct functional groups of microorganisms. The identification of complete nitrifying Nitrospira challenged not only the paradigm of labor division in nitrification, it also raises fundamental questions regarding the environmental distribution, diversity, and ecological significance of complete nitrifiers compared to canonical nitrifying microorganisms. Recent genomic and physiological surveys identified factors controlling their ecology and niche specialization, which thus potentially regulate abundances and population dynamics of the different nitrifying guilds. This review summarizes the recently obtained insights into metabolic differences of the known nitrifiers and discusses these in light of potential functional adaptation and niche differentiation between canonical and complete nitrifiers.
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