ArticleApplied and environmental microbiology2008
Mechanism and Consequences of anaerobic respiration of cobalt by Shewanella oneidensis strain MR-1.
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 34 papers.
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Who cites it
34 citing papers in PubMed.
- Azurins With Tunable Reduction Potentials as Redox Mediators for Extracellular Electron Transfer.Chembiochem : a European journal of chemical biology · 2026Article
- Deciphering the Mto electron uptake pathway ofApplied and environmental microbiology · 2026Article
- The Electron Shuttle Critical Distance of Low Molecular Weight Organic Matters Accelerating Microbial Ferrihydrite Reduction.Molecules (Basel, Switzerland) · 2025Article
- Shewanella oneidensis: Biotechnological Application of Metal-Reducing Bacteria.Advances in biochemical engineering/biotechnology · 2025Review
- Extracellular organic disulfide reduction byMicrobiology spectrum · 2024Article
- RiPP enzyme heterocomplex structure-guided discovery of a bacterial borosin α-RSC chemical biology · 2023Article
- Reconstruction of a Genome-Scale Metabolic Network forFrontiers in bioengineering and biotechnology · 2022Article
- Engineering Cooperation in an Anaerobic Coculture.Applied and environmental microbiology · 2021Article
- Survival of the first rather than the fittest in a Shewanella electrode biofilm.Communications biology · 2021Article
- A Hybrid Extracellular Electron Transfer Pathway Enhances the Survival of Vibrio natriegens.Applied and environmental microbiology · 2020Article
- Cobalt Resistance via Detoxification and Mineralization in the Iron-Reducing BacteriumFrontiers in microbiology · 2020Article
- Effects of cobalt-histidine absorbent on aerobic denitrification by Paracoccus versutus LYM.AMB Express · 2019Article
- Chronic exposure to complex metal oxide nanoparticles elicits rapid resistance inChemical science · 2019Article
- Voltammetric study of conductive planar assemblies of Geobacter nanowire pilins unmasks their ability to bind and mineralize divalent cobalt.Journal of industrial microbiology & biotechnology · 2019Article
- Long-Term Behavior of Defined Mixed Cultures ofFrontiers in bioengineering and biotechnology · 2019Article
- Divergent Nrf Family Proteins and MtrCAB Homologs Facilitate Extracellular Electron Transfer in Aeromonas hydrophila.Applied and environmental microbiology · 2018Article
- Survival of Anaerobic FeJournal of bacteriology · 2018Article
- MgtE Homolog FicI Acts as a Secondary Ferrous Iron Importer in Shewanella oneidensis Strain MR-1.Applied and environmental microbiology · 2018Article
- Tracking Electron Uptake from a Cathode intomBio · 2018Article
- A Ferrous Iron Exporter Mediates Iron Resistance in Shewanella oneidensis MR-1.Applied and environmental microbiology · 2015Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bacteria from the genus Shewanella are the most diverse respiratory organisms studied to date and can utilize a variety of metals and metal(loid)s as terminal electron acceptors. These bacteria can potentially be used in bioremediation applications since the redox state of metals often influences both solubility and toxicity. Understanding molecular mechanisms by which metal transformations occur and the consequences of by-products that may be toxic to the organism and thus inhibitory to the overall process is significant to future applications for bioremediation. Here, we examine the ability of Shewanella oneidensis to catalyze the reduction of chelated cobalt. We describe an unexpected ramification of [Co(III)-EDTA](-) reduction by S. oneidensis: the formation of a toxic by-product. We found that [Co(II)-EDTA](2-), the product of [Co(III)-EDTA](-) respiration, inhibited the growth of S. oneidensis strain MR-1 and that this toxicity was partially abolished by the addition of MgSO(4). We demonstrate that [Co(III)-EDTA](-) reduction by S. oneidensis requires the Mtr extracellular respiratory pathway and associated pathways required to develop functional Mtr enzymes (the c-type cytochrome maturation pathway) and ensure proper localization (type II secretion). The Mtr pathway is known to be required for a variety of substrates, including some chelated and insoluble metals and organic compounds. Understanding the full substrate range for the Mtr pathway is crucial for developing S. oneidensis strains as a tool for bioremediation.
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