Electron TransportElectronsMicroscopy, ElectronAnaerobiosisOxidation-ReductionMicroscopy, Electron, ScanningShewanellaGeobacterFumarates2,6-DichloroindophenolNitratesDeltaproteobacteriaOxidoreductasesElectron Spin Resonance SpectroscopyThiosulfatesFerric CompoundsFerricyanidesMolecular Sequence DataHydrogenAerobiosisKineticsRNA, Ribosomal, 16SSulfurMicroscopy, Electron, TransmissionBacteria, AnaerobicDNA, RibosomalEpsilonproteobacteriaTetrathionic AcidSulfatesTetrachloroethyleneGram-Negative Anaerobic BacteriaSulfur-Reducing BacteriaBenzyl ViologenMethylphenazonium MethosulfateCytochrome c GroupGeologic SedimentsHumic SubstancesOxygenBioelectric Energy SourcesDesulfovibrioPhylogenyFlavin-Adenine DinucleotideQuinonesChloratesShewanella putrefaciensPhotosynthetic Reaction Center Complex ProteinsPheophytinsSpectrophotometryPyruvate SynthaseCytochromesFormatesHydrogen-Ion ConcentrationNADSubstrate SpecificityFlavinsUbiquinonePhotosystem I Protein ComplexFlavin MononucleotideBacterial ProteinsBiodegradation, EnvironmentalMethylaminesPhotosystem II Protein ComplexPeptococcaceaePhotosynthesisUraniumIron-Sulfur ProteinsDNA, BacterialHydrogenaseBase CompositionRhodobacter sphaeroidesEscherichia coliRhodocyclaceaeGram-Negative Facultatively Anaerobic RodsFerredoxinsSuccinate DehydrogenaseGenes, rRNAChlorophyllSequence Analysis, DNAAmino Acid SequenceWater MicrobiologyCarbohydrate DehydrogenasesFresh WaterNADH, NADPH OxidoreductasesPhenazinesPlastoquinoneFlavoproteinsCulture MediaNADPTemperatureNitritesChlorophenolsCatalysisLightChemoautotrophic GrowthGram-Negative Chemolithotrophic BacteriaAcetatesSpectrum AnalysisModels, MolecularBase SequenceSeawater