BacteriaZoonosesInfluenza A Virus, H9N2 SubtypeMicrosporidiaPhylogenyMolecular Sequence DataEncephalitozoonInfluenza in BirdsGram-Negative BacteriaSequence Analysis, DNAGram-Positive BacteriaBirdsDisease ReservoirsInfluenza A Virus, H5N1 SubtypeSpecies SpecificityGiardiasisGiardia lambliaBacteria, AnaerobicInfluenza A virusPolymerase Chain ReactionInfluenza, HumanBase SequenceDNA, ProtozoanHemagglutinin Glycoproteins, Influenza VirusSwineRNA, Ribosomal, 16SVirulenceSwine DiseasesBacteria, AerobicDNA, BacterialBacterial ProteinsAmino Acid SequenceGenotypeEscherichia coliDNA, RibosomalDogsGenome, ViralWater MicrobiologyAntibodies, ViralGram-Negative Aerobic BacteriaBacterial Physiological PhenomenaAnti-Bacterial AgentsGram-Negative Anaerobic BacteriaVirus ReplicationSoil MicrobiologyGenes, BacterialColony Count, MicrobialRNA, BacterialSulfur-Reducing BacteriaSeawaterGene Expression Regulation, BacterialCulture MediaGenome, BacterialAnaerobiosisGenes, rRNASymbiosisBase CompositionBacterial AdhesionBiodegradation, EnvironmentalPseudomonasEnterobacteriaceaeFresh WaterMicrobial Sensitivity TestsBacteriological TechniquesBacterial Typing TechniquesGammaproteobacteriaBacterial InfectionsFermentationBiofilmsGeologic SedimentsBacteroidesProteobacteriaAerobiosisMutationPseudomonas aeruginosaFecesStaphylococcus aureusMicrobial ViabilityCloning, MolecularStreptococcusVibrioBetaproteobacteriaFatty AcidsOxidation-ReductionHydrogen-Ion ConcentrationPlasmidsSequence Homology, Amino AcidCytophagaTemperatureSalmonella typhimuriumPhenotypeBacillusSequence AlignmentIntestinesArchaeaGram-Negative Bacterial InfectionsFungiTime FactorsGastrointestinal TractAntibiosis