ArticleJournal of bacteriology2007
The fox operon from Rhodobacter strain SW2 promotes phototrophic Fe(II) oxidation in Rhodobacter capsulatus SB1003.
Article in Journal of bacteriology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
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Who cites it
45 citing papers in PubMed, 100 citations in OpenAlex.
- Anoxygenic phototrophic arsenite oxidation by a Rhodobacter strain.Environmental microbiology · 2023Article
- Diversity of Mixotrophic Neutrophilic Thiosulfate- and Iron-Oxidizing Bacteria from Deep-Sea Hydrothermal Vents.Microorganisms · 2022Article
- Potential autotrophic carbon-fixer and Fe(II)-oxidizerFrontiers in microbiology · 2022Article
- Effect of Environmental pH on Mineralization of Anaerobic Iron-Oxidizing Bacteria.Frontiers in microbiology · 2022Article
- Oligo-heterotrophic Activity ofApplied and environmental microbiology · 2021Article
- An evolving view on biogeochemical cycling of iron.Nature reviews. Microbiology · 2021Review
- Metagenomic Insights Into the Microbial Iron Cycle of Subseafloor Habitats.Frontiers in microbiology · 2021Article
- "Frontiers in microbiology · 2021Article
- Extracellular electron uptake by autotrophic microbes: physiological, ecological, and evolutionary implications.Journal of industrial microbiology & biotechnology · 2020Review
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- FeGenie: A Comprehensive Tool for the Identification of Iron Genes and Iron Gene Neighborhoods in Genome and Metagenome Assemblies.Frontiers in microbiology · 2020Article
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- Cryptic Cycling of Complexes Containing Fe(III) and Organic Matter by Phototrophic Fe(II)-Oxidizing Bacteria.Applied and environmental microbiology · 2019Article
- Draft Genome Sequence of a Marine Photoferrotrophic Bacterium, Rhodovulum robiginosum DSM 12329Microbiology resource announcements · 2019Article
- Proteome Response of a Metabolically Flexible Anoxygenic Phototroph to Fe(II) Oxidation.Applied and environmental microbiology · 2018Article
- Electron and Proton Flux for Carbon Dioxide Reduction inFrontiers in microbiology · 2018Article
- Impact of Ferrous Iron on Microbial Community of the Biofilm in Microbial Fuel Cells.Frontiers in microbiology · 2017Article
- Photoferrotrophy: Remains of an Ancient Photosynthesis in Modern Environments.Frontiers in microbiology · 2017Review
- Metagenomic Analyses of the Autotrophic Fe(II)-Oxidizing, Nitrate-Reducing Enrichment Culture KS.Applied and environmental microbiology · 2016Article
- Article
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3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Anoxygenic photosynthesis based on Fe(II) is thought to be one of the most ancient forms of metabolism and is hypothesized to represent a transition step in the evolution of oxygenic photosynthesis. However, little is known about the molecular basis of this process because, until recently (Y. Jiao and D. K. Newman, J. Bacteriol. 189:1765-1773, 2007), most phototrophic Fe(II)-oxidizing bacteria have been genetically intractable. In this study, we circumvented this problem by taking a heterologous-complementation approach to identify a three-gene operon (the foxEYZ operon) from Rhodobacter sp. strain SW2 that confers enhanced light-dependent Fe(II) oxidation activity when expressed in its genetically tractable relative Rhodobacter capsulatus SB1003. The first gene in this operon, foxE, encodes a c-type cytochrome with no significant similarity to other known proteins. Expression of foxE alone confers significant light-dependent Fe(II) oxidation activity on SB1003, but maximal activity is achieved when foxE is expressed with the two downstream genes foxY and foxZ. In SW2, the foxE and foxY genes are cotranscribed in the presence of Fe(II) and/or hydrogen, with foxZ being transcribed only in the presence of Fe(II). Sequence analysis predicts that foxY encodes a protein containing the redox cofactor pyrroloquinoline quinone and that foxZ encodes a protein with a transport function. Future biochemical studies will permit the localization and function of the Fox proteins in SW2 to be determined.
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