ActinobacteriaRNA, Ribosomal, 16SProteobacteriaPhylogenyBacteriaDNA, RibosomalBiodiversitySequence Analysis, DNASoil MicrobiologyDNA, BacterialMetagenomeFresh WaterPropionibacteriaceaeBiotaPetrosiaMolecular Sequence DataAcidobacteriaGenes, rRNAActinomycetalesBacteroidetesBetaproteobacteriaMicrococcaceaeFusobacteriaStreptomycetaceaeGeologic SedimentsPlanktonFrankiaEcosystemVerrucomicrobiaDenaturing Gradient Gel ElectrophoresisMicrobiotaSoilGenome, BacterialArchaeaHeterotrophic ProcessesRhizosphereMetagenomicsSeawaterStreptomyces coelicolorCluster AnalysisPoriferaGordonia BacteriumMicrobial ConsortiaBacterial Physiological PhenomenaIslandsSymbiosisGastrointestinal TractBurkholderiaceaeChloroflexiGammaproteobacteriaAntsSewageRNA, BacterialGram-Positive BacteriaSoil PollutantsBacterial ProteinsDiaminopimelic AcidArctic RegionsAquatic OrganismsFungiAlphaproteobacteriaBase CompositionEnvironmental MicrobiologyLakesWater MicrobiologyActinomycetales InfectionsStreptomycesWaste WaterTreesGene Expression Regulation, BacterialDNA, ArchaealEukaryotaAntibiosis