ArticleMicrobial ecology2019
A Physiological and Genomic Comparison of Nitrosomonas Cluster 6a and 7 Ammonia-Oxidizing Bacteria.
Article in Microbial ecology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 59 citations in OpenAlex.
- Ecological significance of dark carbon fixation driven by ammonia oxidation in estuarine waters.Eco-Environment & Health · 2026Article
- Natural variation of the wheat root exudate metabolome and its influence on biological nitrification inhibition activity.Plant biotechnology journal · 2025Article
- Strategy to mitigate substrate inhibition in wastewater treatment systems.Nature communications · 2024Article
- Wastewater treatment from a science faculty during the COVID-19 pandemic by using ammonium-oxidising and heterotrophic bacteria.3 Biotech · 2024Article
- Biofilm colonization and succession in a full-scale partial nitritation-anammox moving bed biofilm reactor.Microbiome · 2024Article
- Characterisation of bacteria representing a novel Nitrosomonas clade: Physiology, genomics and distribution of missing ammonia oxidizer.Environmental microbiology reports · 2023Article
- Nitrosomonas supralitoralis sp. nov., an ammonia-oxidizing bacterium from beach sand in a supralittoral zone.Archives of microbiology · 2022Article
- Genome Streamlining, Proteorhodopsin, and Organic Nitrogen Metabolism in Freshwater Nitrifiers.mBio · 2022Article
- Disturbance-based management of ecosystem services and disservices in partial nitritation-anammox biofilms.NPJ biofilms and microbiomes · 2022Article
- Effects of aquatic nitrogen pollution on particle-attached ammonia-oxidizing bacteria in urban freshwater mesocosms.World journal of microbiology & biotechnology · 2022Article
- Article
- Microbial Communities Involved in Methane, Sulfur, and Nitrogen Cycling in the Sediments of the Barents Sea.Microorganisms · 2021Article
- Microalgal-bacterial granular sludge process outperformed aerobic granular sludge process in municipal wastewater treatment with less carbon dioxide emissions.Environmental science and pollution research international · 2021Article
- High Synteny and Sequence Identity between Genomes ofMicroorganisms · 2020Article
- Hysteretic response of Microbial Eukaryotic Communities to Gradually Decreased Nutrient Concentrations in Eutrophic Water.Microbial ecology · 2020Article
- Transcriptomic Response of Nitrosomonas europaea Transitioned from Ammonia- to Oxygen-Limited Steady-State Growth.mSystems · 2020Article
- Hurricane Disturbance Stimulated Nitrification and Altered Ammonia Oxidizer Community Structure in Lake Okeechobee and St. Lucie Estuary (Florida).Frontiers in microbiology · 2020Article
- Ammonia Oxidizers in High-Elevation Rivers of the Qinghai-Tibet Plateau Display Distinctive Distribution Patterns.Applied and environmental microbiology · 2019Article
- Controls and Adaptive Management of Nitrification in Agricultural Soils.Frontiers in microbiology · 2019Review
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Authors and funding
9 authors at 8 institutions in 5 countries.
Funding
Abstract
Ammonia-oxidizing bacteria (AOB) within the genus Nitrosomonas perform the first step in nitrification, ammonia oxidation, and are found in diverse aquatic and terrestrial environments. Nitrosomonas AOB were grouped into six defined clusters, which correlate with physiological characteristics that contribute to adaptations to a variety of abiotic environmental factors. A fundamental physiological trait differentiating Nitrosomonas AOB is the adaptation to either low (cluster 6a) or high (cluster 7) ammonium concentrations. Here, we present physiological growth studies and genome analysis of Nitrosomonas cluster 6a and 7 AOB. Cluster 6a AOB displayed maximum growth rates at ≤ 1 mM ammonium, while cluster 7 AOB had maximum growth rates at ≥ 5 mM ammonium. In addition, cluster 7 AOB were more tolerant of high initial ammonium and nitrite concentrations than cluster 6a AOB. Cluster 6a AOB were completely inhibited by an initial nitrite concentration of 5 mM. Genomic comparisons were used to link genomic traits to observed physiological adaptations. Cluster 7 AOB encode a suite of genes related to nitrogen oxide detoxification and multiple terminal oxidases, which are absent in cluster 6a AOB. Cluster 6a AOB possess two distinct forms of ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO) and select species encode genes for hydrogen or urea utilization. Several, but not all, cluster 6a AOB can utilize urea as a source of ammonium. Hence, although Nitrosomonas cluster 6a and 7 AOB have the capacity to fulfill the same functional role in microbial communities, i.e., ammonia oxidation, differentiating species-specific and cluster-conserved adaptations is crucial in understanding how AOB community succession can affect overall ecosystem function.
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