ArticleApplied and environmental microbiology2008
Physiological state, growth mode, and oxidative stress play a role in Cd(II)-mediated inhibition of Nitrosomonas europaea 19718.
Article in Applied and environmental microbiology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Effects of Biochar on Cadmium Availability, Nitrification and Microbial Communities in Soils with Varied pH Levels.Microorganisms · 2025Article
- Temporal enrichment of comammox Nitrospira and Ca. Nitrosocosmicus in a coastal plastisphere.The ISME journal · 2024Article
- Compost and microbial biostimulant applications improve plant growth and soil biological fertility of a grass-based phytostabilization system.Environmental geochemistry and health · 2023Article
- Transcriptomic Response of Nitrosomonas europaea Transitioned from Ammonia- to Oxygen-Limited Steady-State Growth.mSystems · 2020Article
- Structural and Functional Interrogation of Selected Biological Nitrogen Removal Systems in the United States, Denmark, and Singapore Using Shotgun Metagenomics.Frontiers in microbiology · 2018Article
- Use of functional gene expression and respirometry to study wastewater nitrification activity after exposure to low doses of copper.Environmental science and pollution research international · 2016Article
- Effects of Simulated Rare Earth Recycling Wastewaters on Biological Nitrification.Environmental science & technology · 2015Article
- Biomass production from electricity using ammonia as an electron carrier in a reverse microbial fuel cell.PloS one · 2012Article
- Elemental profiling of single bacterial cells as a function of copper exposure and growth phase.PloS one · 2011Article
- Strategies of Nitrosomonas europaea 19718 to counter low dissolved oxygen and high nitrite concentrations.BMC microbiology · 2010Article
- Candidate stress genes of Nitrosomonas europaea for monitoring inhibition of nitrification by heavy metals.Applied and environmental microbiology · 2008Article
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Authors and funding
2 authors.
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Abstract
The goal of this study was to determine the impact of physiological growth states (batch exponential and batch stationary growth) and growth modes (substrate-limited chemostat, substrate-sufficient exponential batch, and substrate-depleted stationary batch growth) on several measures of growth and responses to Cd(II)-mediated inhibition of Nitrosomonas europaea strain 19718. The specific oxygen uptake rate (sOUR) was the most sensitive indicator of inhibition among the different responses analyzed, including total cell abundance, membrane integrity, intracellular 16S rRNA/DNA ratio, and amoA expression. This observation remained true irrespective of the physiological state, the growth mode, or the mode of Cd(II) exposure. Based on the sOUR, a strong time-dependent exacerbation of inhibition (in terms of an inhibition coefficient [K(i)]) in exponential batch cultures was observed. Long-term inhibition levels (based on K(i) estimates) in metabolically active chemostat and exponential batch cultures were also especially severe and comparable. In contrast, the inhibition level in stationary-phase cultures was 10-fold lower and invariable with exposure time. Different strategies for surviving substrate limitation (a 10-fold increase in amoA expression) and starvation (the retention of 16S rRNA levels) in N. europaea cultures were observed. amoA expression was most negatively impacted by Cd(II) exposure in the chemostat cultures, was less impacted in exponential batch cultures, and was least impacted in stationary batch cultures. Although the amoA response was consistent with that of the sOUR, the amoA response was not as strong. The intracellular 16S rRNA/DNA ratio, as determined by fluorescence in situ hybridization, also did not uniformly correlate with the sOUR under conditions of inhibition or no inhibition. Finally, Cd(II)-mediated inhibition of N. europaea was attributed partially to oxidative stress.
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