Trichomonas vaginalisTrichomonasOrganellesPyruvate SynthaseTritrichomonasNeocallimastixBlastocystisDiplomonadidaTritrichomonas foetusHydrogenSuccinate-CoA LigasesCiliophoraHydrogenaseEukaryotaGiardia lambliaGenes, ProtozoanProtozoan ProteinsFerredoxinsAnaerobiosisMitochondriaPhylogenyBiological EvolutionEukaryotic CellsDNA, ProtozoanExpressed Sequence TagsIron-Sulfur ProteinsMolecular Sequence DataSymbiosisChaperonin 60Amino Acid SequenceSequence Homology, Amino AcidSequence AlignmentEvolution, MolecularMicroscopy, Electron