ArticlePloS one2014
A biochemical approach to study the role of the terminal oxidases in aerobic respiration in Shewanella oneidensis MR-1.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 28 citations in OpenAlex.
- Decoupling microbial iron reduction from anoxic microsite formation in oxic sediments: a microscale investigation through microfluidic models.Frontiers in microbiology · 2025Article
- Regulation of fadR on the ROS defense mechanism in Shewanalla oneidensis.Biotechnology letters · 2024Article
- The electron transport chain ofApplied and environmental microbiology · 2024Article
- Strategies of chemolithoautotrophs adapting to high temperature and extremely acidic conditions in a shallow hydrothermal ecosystem.Microbiome · 2023Article
- Evidence that the catalytic mechanism of heme a synthase involves the formation of a carbocation stabilized by a conserved glutamate.Archives of biochemistry and biophysics · 2023Article
- Abundance and Niche Differentiation of Comammox in the Sludges of Wastewater Treatment Plants That Use the Anaerobic-Anoxic-Aerobic Process.Life (Basel, Switzerland) · 2022Article
- Aerobic Respiration and Its Regulation in the Metal ReducerFrontiers in microbiology · 2021Article
- Genomic inference of the metabolism and evolution of the archaeal phylum Aigarchaeota.Nature communications · 2018Article
- Comparative genomics sheds light on niche differentiation and the evolutionary history of comammox Nitrospira.The ISME journal · 2018Article
- Pseudomonas pseudoalcaligenes KF707 grown with biphenyl expresses a cytochrome caaFEBS letters · 2018Article
- Loss of OxyR reduces efficacy of oxygen respiration in Shewanella oneidensis.Scientific reports · 2017Article
- Biphenyl Modulates the Expression and Function of Respiratory Oxidases in the Polychlorinated-Biphenyls DegraderFrontiers in microbiology · 2017Article
- Specific expression and function of the A-type cytochrome c oxidase under starvation conditions in Pseudomonas aeruginosa.PloS one · 2017Article
- Expression of terminal oxidases under nutrient-starved conditions in Shewanella oneidensis: detection of the A-type cytochrome c oxidase.Scientific reports · 2016Article
- Evidence for Fast Electron Transfer between the High-Spin Haems in Cytochrome bd-I from Escherichia coli.PloS one · 2016Article
- Regulation of nitrite resistance of the cytochrome cbb3 oxidase by cytochrome c ScyA in Shewanella oneidensis.MicrobiologyOpen · 2015Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The genome of the facultative anaerobic γ-proteobacterium Shewanella oneidensis MR-1 encodes for three terminal oxidases: a bd-type quinol oxidase and two heme-copper oxidases, a A-type cytochrome c oxidase and a cbb 3-type oxidase. In this study, we used a biochemical approach and directly measured oxidase activities coupled to mass-spectrometry analysis to investigate the physiological role of the three terminal oxidases under aerobic and microaerobic conditions. Our data revealed that the cbb 3-type oxidase is the major terminal oxidase under aerobic conditions while both cbb 3-type and bd-type oxidases are involved in respiration at low-O2 tensions. On the contrary, the low O2-affinity A-type cytochrome c oxidase was not detected in our experimental conditions even under aerobic conditions and would therefore not be required for aerobic respiration in S. oneidensis MR-1. In addition, the deduced amino acid sequence suggests that the A-type cytochrome c oxidase is a ccaa 3-type oxidase since an uncommon extra-C terminal domain contains two c-type heme binding motifs. The particularity of the aerobic respiratory pathway and the physiological implication of the presence of a ccaa 3-type oxidase in S. oneidensis MR-1 are discussed.
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