BacteriaGram-Negative BacteriaGram-Positive BacteriaNeoplasms, Germ Cell and EmbryonalBacteria, AnaerobicMolecular Sequence DataRNA, Ribosomal, 16SBacteria, AerobicWheat Germ AgglutininsBacterial ProteinsDNA, BacterialPhylogenyEscherichia coliDNA, RibosomalSequence Analysis, DNATestisWater MicrobiologySpermatogenesisGerm LayersAnti-Bacterial AgentsTooth GermBacterial Physiological PhenomenaGram-Negative Aerobic BacteriaGram-Negative Anaerobic BacteriaColony Count, MicrobialSoil MicrobiologyAmino Acid SequenceBase SequenceCulture MediaGenes, BacterialTesticular NeoplasmsRNA, BacterialSulfur-Reducing BacteriaSeawaterGene Expression Regulation, BacterialAnaerobiosisSymbiosisSpecies SpecificityGenome, BacterialSpermatozoaGenes, rRNABase CompositionBacterial AdhesionMicrobial Sensitivity TestsBiodegradation, EnvironmentalMutationPseudomonasEnterobacteriaceaeGerminomaSpermatogoniaSertoli CellsPseudomonas aeruginosaBiofilmsStaphylococcus aureusSeminiferous TubulesBacteriological TechniquesFresh WaterBacterial InfectionsGammaproteobacteriaCloning, MolecularAerobiosisGonadsFermentationSpermatocytesGeologic SedimentsPolymerase Chain ReactionProteobacteriaVirulenceBacteroidesBacterial Typing TechniquesSpermatidsSequence Homology, Amino AcidTemperaturePlasmidsPhenotypeHydrogen-Ion ConcentrationStreptococcusBetaproteobacteriaMicrobial ViabilityVibrioSeminomaOxidation-ReductionCytophagaBacillusFungiFatty AcidsModels, BiologicalMicroscopy, ElectronSequence AlignmentTime FactorsAntibiosisSalmonella typhimuriumArchaeaFecesCell WallGram-Negative Bacterial InfectionsKineticsTriticumBacillus subtilisGene Expression Regulation, Developmental