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Iron-oxidizing bacteria: an environmental and genomic perspective.
Research on lithotrophic, oxygen-dependent FeOB that grow at circumneutral pH has accelerated, driven by several factors including the recognition by both microbiologists and geoscientists of the role FeOB play in the biogeochemistry of iron and other elements.
Isolation and characterization of novel iron-oxidizing bacteria that grow at circumneutral pH
Evidence suggests ES-1 and ES-2 are members of a previously untapped group of putatively lithotrophic, unicellular iron-oxidizing bacteria, suggesting they are microaerobes.
A Novel Lineage of Proteobacteria Involved in Formation of Marine Fe-Oxidizing Microbial Mat Communities
On the basis of phylogenetic and physiological data, it is proposed that isolate PV-1T ( = ATCC BAA-1019: JCM 14766) represents the type strain of a novel species in a new genus, Mariprofundus ferrooxydans gen. nov.
Neutrophilic Fe-Oxidizing Bacteria Are Abundant at the Loihi Seamount Hydrothermal Vents and Play a Major Role in Fe Oxide Deposition
Results indicate that Fe-oxidizing bacteria are common at the Loihi Seamount and probably play a major role in Fe oxidation, and suggests that microbially mediated Fe oxidation at hydrothermal vents may be important globally.
The Termite Gut Microflora as an Oxygen Sink: Microelectrode Determination of Oxygen and pH Gradients in Guts of Lower and Higher Termites
The oxic status of the peripheral hindgut lumen and its substantial oxygen consumption, together with previous reports of large numbers of aerobic and facultatively anaerobic bacteria in the hindGut microflora, challenge the notion that termite hindguts are a purely anoxic environment and, togetherwith the steep axial pH gradients in higher termites, refine the concept of this tiny microbial habitat.
Lithotrophic iron-oxidizing bacteria produce organic stalks to control mineral growth: implications for biosignature formation
It is suggested that stalk-like morphologies observed in modern and ancient samples may be correlated confidently with the Fe-oxidizing metabolism as a robust biosignature.
Comparative genomics of freshwater Fe-oxidizing bacteria: implications for physiology, ecology, and systematics
Multi-locus sequence analysis (MLSA) confirmed the relationship of these two organisms to one another, and indicated they may form a novel order, the Gallionellalaes, within the Betaproteobacteria.
Enrichment and isolation of iron-oxidizing bacteria at neutral pH.
Life at the Energetic Edge: Kinetics of Circumneutral Iron Oxidation by Lithotrophic Iron-Oxidizing Bacteria Isolated from the Wetland-Plant Rhizosphere
The results suggest that neutrophilic Fe(II)-oxidizing bacteria may compete for limited O2 in the rhizosphere and therefore influence other wetland biogeochemical cycles.
Characterization of Neutrophilic Fe(II)-Oxidizing Bacteria Isolated from the Rhizosphere of Wetland Plants and Description of Ferritrophicum radicicola gen. nov. sp. nov., and Sideroxydans paludicola…
Four strains of Fe plaque-associated FeOB were isolated from 4 species of wetland plants, and all strains were obligate lithotrophic Fe(II)-oxidizers that were microaerobic, and were unable to use other inorganic or organic energy sources.