Biological EvolutionEcosystemModels, BiologicalMolecular Sequence DataPhylogenyBacteriaAquatic OrganismsOrganisms, Genetically ModifiedDNA, BacterialSequence Analysis, DNASpecies SpecificityCulture MediaBacterial ProteinsAnti-Bacterial AgentsRNA, Ribosomal, 16SAmino Acid SequenceBase SequenceEscherichia coliBacteriological TechniquesEvolution, MolecularDNA, RibosomalEukaryotaMicrobial Sensitivity TestsMycoplasmaWater MicrobiologyMutationSequence AlignmentGram-Positive BacteriaCaenorhabditis elegansGenes, BacterialGenome, BacterialFungiPhenotypeSequence Homology, Amino AcidEnterobacteriaceaeRNA, BacterialGenomicsGenomeBacterial InfectionsPolymerase Chain ReactionBacteria, AnaerobicCloning, Molecular