Propionibacterium acnesBacteriaGram-Negative BacteriaGram-Positive BacteriaBacteria, AnaerobicRNA, Ribosomal, 16SBacteria, AerobicAcne KeloidDNA, BacterialMolecular Sequence DataDermatologic AgentsBacterial ProteinsSebumPhylogenyBenzoyl PeroxidePropionibacteriumDNA, RibosomalEscherichia coliIsotretinoinSequence Analysis, DNAAnti-Bacterial AgentsGram-Positive Bacterial InfectionsWater MicrobiologySebaceous GlandsGram-Negative Aerobic BacteriaGram-Negative Anaerobic BacteriaBacterial Physiological PhenomenaSoil MicrobiologyGenes, BacterialRNA, BacterialColony Count, MicrobialSulfur-Reducing BacteriaSeawaterCulture MediaGene Expression Regulation, BacterialAnaerobiosisGenome, BacterialGenes, rRNASymbiosisBase CompositionAmino Acid SequenceSpecies SpecificityBiodegradation, EnvironmentalBacterial AdhesionBase SequencePseudomonasMicrobial Sensitivity TestsEnterobacteriaceaeBacteriological TechniquesBacterial Typing TechniquesBacterial InfectionsCorynebacteriumFresh WaterBiofilmsFermentationGammaproteobacteriaAerobiosisStaphylococcus aureusGeologic SedimentsProteobacteriaBacteroidesAcquired Hyperostosis SyndromePseudomonas aeruginosaMicrobial ViabilityBetaproteobacteriaVibrioHydrogen-Ion ConcentrationStreptococcusFatty AcidsCytophagaPolymerase Chain ReactionVirulenceCloning, MolecularBacillusTemperaturePlasmidsMutationOxidation-ReductionSalmonella typhimuriumArchaeaStaphylococcusAdministration, TopicalDrug Resistance, BacterialFungiFecesGram-Negative Bacterial InfectionsCell WallBacterial LoadAntibiosisClostridiumSequence Homology, Amino AcidEubacteriumAnti-Infective AgentsHidradenitis SuppurativaSulfurBacillus subtilisKeratolytic AgentsSequence AlignmentMetagenomeDrug Resistance, Microbial