ActinobacteriaRNA, Ribosomal, 16SBacteriaProteobacteriaPhylogenyDNA, RibosomalSequence Analysis, DNABiodiversityDNA, BacterialSoil MicrobiologyMetagenomeAnti-Bacterial AgentsFresh WaterAntibiotic ProphylaxisMolecular Sequence DataBiotaActinomycetalesPropionibacteriaceaeStreptomycesPetrosiaStreptomycetaceaeGenes, rRNAAcidobacteriaBacteroidetesMicrococcaceaeMicrobial Sensitivity TestsBetaproteobacteriaStreptomyces coelicolorFusobacteriaBacterial ProteinsGram-Positive BacteriaGeologic SedimentsPlanktonGenome, BacterialEcosystemMicrobiotaFrankiaDenaturing Gradient Gel ElectrophoresisVerrucomicrobiaSoilHeterotrophic ProcessesCluster AnalysisArchaeaRhizosphereDrug Resistance, BacterialMetagenomicsSeawaterDrug Resistance, MicrobialGastrointestinal TractRNA, BacterialBacterial Physiological PhenomenaAntibiotics, AntineoplasticAminoglycosidesPoriferaFungiMicrobial ConsortiaSymbiosisGordonia BacteriumIslandsSewageGenes, BacterialAntsGammaproteobacteriaBurkholderiaceaeChloroflexiGene Expression Regulation, BacterialBacterial InfectionsDiaminopimelic AcidSoil PollutantsEnvironmental MicrobiologyAquatic OrganismsGentamicinsWaste WaterWater MicrobiologyColony Count, MicrobialAlphaproteobacteriaBase CompositionFecesDrug UtilizationArctic RegionsCulture Mediabeta-LactamsAntibiosisPenicillinsActinomycetales InfectionsLakesFermentationPolyketide SynthasesBiofilmsSpecies SpecificityErythromycinEscherichia coliAmpicillinTetracyclinePolymerase Chain ReactionEukaryotaStaphylococcus aureusMacrolidesDrug Resistance, Multiple, BacterialCephalosporins