Cited by 275Wastewater Treatment and Nitrogen RemovalMicrobial Community Ecology and PhysiologyMicrobial metabolism and enzyme function

Nitrospira

Daims, Holger, Wagner, Michael·2018·Trends in Microbiology

Abstract

In this infographic, the key metabolic functions of Nitrospira and the role that these bacteria play in nitrification and other processes in the environment is shown. Nitrospira plays pivotal roles in nitrification as an aerobic chemolithoautotrophic nitrite-oxidizing bacterium. These bacteria often occur in close association with ammonia-oxidizing bacteria or archaea that convert ammonia to nitrite, which is further oxidized to nitrate by Nitrospira. However, in 'reciprocal feeding' interactions, Nitrospira can also provide ammonia oxidizers with ammonia released from urea or cyanate, which is further nitrified as described above. Recently discovered Nitrospira members even catalyze both nitrification steps alone and are therefore called complete ammonia oxidizers or 'comammox' organisms. Some strains of Nitrospira utilize alternative substrates, such as H 2 and formate, using oxygen or nitrate as terminal electron acceptor, and can exploit these energy sources concurrently with aerobic nitrite oxidation. This metabolic versatility enables Nitrospira to colonize a broad range of habitats and to sustain shifts in environmental conditions such as changing oxygen concentrations.

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Crossref · 10.1016/j.tim.2018.02.001

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Authors
Daims, H., & Wagner, M.
Affiliations
University of Vienna (AT)
Corresponding author
Daims, Holger
Venue
Trends in Microbiology
Publisher
Elsevier BV
Published
2018-05
Volume
26
Issue
5
Pages
462-463
ISSN
0966-842X (ISSN-L)
OpenAlex
W4250675300
Cited by
275
References
0
Citations by year
2026: 28 · 2025: 55 · 2024: 46 · 2023: 35 · 2022: 35 · 2021: 29 · 2020: 38 · 2019: 6 · 2018: 3
FWCI
6.91
Type
journal article
Language
en
Open access
closed
Locations
  • Trends in Microbiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Pollution › Wastewater Treatment and Nitrogen Removal
  • Physical Sciences › Environmental Science › Ecology › Microbial Community Ecology and Physiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial metabolism and enzyme function
Keywords
Nitrospira, nitrification, nitrite oxidation, ammonia oxidation, ammonia-oxidizing archaea, ammonia-oxidizing bacteria, complete ammonia oxidation, comammox, chemolithoautotrophy, alternative electron acceptors, hydrogen oxidation, formate oxidation, metabolic versatility
MeSH terms
Ammonia, Archaea, Bacteria, Environmental Microbiology, Formates, Nitrates, Nitrites, Oxidation-Reduction, Oxygen, Ecosystem, Nitrification

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