ArticleApplied and environmental microbiology2010
Siderophores are not involved in Fe(III) solubilization during anaerobic Fe(III) respiration by Shewanella oneidensis MR-1.
Article in Applied and environmental microbiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 45 citations in OpenAlex.
- Robust measurement of microbial reduction of graphene oxide nanoparticles using image analysis.Applied and environmental microbiology · 2025Article
- Iodate Reduction byFrontiers in microbiology · 2022Article
- Recent Advances in the Siderophore Biology ofFrontiers in microbiology · 2022Review
- Preservation of Underground Microbial Diversity in Ancient Subsurface Deposits (>6 Ma) of the Rio Tinto Basement.Microorganisms · 2021Article
- Scorpion Venom Antimicrobial Peptides Induce Siderophore Biosynthesis and Oxidative Stress Responses in Escherichia coli.mSphere · 2021Article
- Metal Reduction and Protein Secretion Genes Required for Iodate Reduction by Shewanella oneidensis.Applied and environmental microbiology · 2019Article
- Complex Iron Uptake by the Putrebactin-Mediated and Feo Systems in Shewanella oneidensis.Applied and environmental microbiology · 2018Article
- The chemical biology and coordination chemistry of putrebactin, avaroferrin, bisucaberin, and alcaligin.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2018Review
- Investigation of a spontaneous mutant reveals novel features of iron uptake in Shewanella oneidensis.Scientific reports · 2017Article
- Flocculation of Escherichia coli Cells in Association with Enhanced Production of Outer Membrane Vesicles.Applied and environmental microbiology · 2015Article
- The regulatory role of ferric uptake regulator (Fur) during anaerobic respiration of Shewanella piezotolerans WP3.PloS one · 2013Article
- SO2426 is a positive regulator of siderophore expression in Shewanella oneidensis MR-1.BMC microbiology · 2011Article
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4 authors at 1 institution in 1 country.
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Abstract
Shewanella oneidensis MR-1 respires a wide range of anaerobic electron acceptors, including sparingly soluble Fe(III) oxides. In the present study, S. oneidensis was found to produce Fe(III)-solubilizing organic ligands during anaerobic Fe(III) oxide respiration, a respiratory strategy postulated to destabilize Fe(III) and produce more readily reducible soluble organic Fe(III). In-frame gene deletion mutagenesis, siderophore detection assays, and voltammetric techniques were combined to determine (i) if the Fe(III)-solubilizing organic ligands produced by S. oneidensis during anaerobic Fe(III) oxide respiration were synthesized via siderophore biosynthesis systems and (ii) if the Fe(III)-siderophore reductase was required for respiration of soluble organic Fe(III) as an anaerobic electron acceptor. Genes predicted to encode the siderophore (hydroxamate) biosynthesis system (SO3030 to SO3032), the Fe(III)-hydroxamate receptor (SO3033), and the Fe(III)-hydroxamate reductase (SO3034) were identified in the S. oneidensis genome, and corresponding in-frame gene deletion mutants were constructed. DeltaSO3031 was unable to synthesize siderophores or produce soluble organic Fe(III) during aerobic respiration yet retained the ability to solubilize and respire Fe(III) at wild-type rates during anaerobic Fe(III) oxide respiration. DeltaSO3034 retained the ability to synthesize siderophores during aerobic respiration and to solubilize and respire Fe(III) at wild-type rates during anaerobic Fe(III) oxide respiration. These findings indicate that the Fe(III)-solubilizing organic ligands produced by S. oneidensis during anaerobic Fe(III) oxide respiration are not synthesized via the hydroxamate biosynthesis system and that the Fe(III)-hydroxamate reductase is not essential for respiration of Fe(III)-citrate or Fe(III)-nitrilotriacetic acid (NTA) as an anaerobic electron acceptor.
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