Microbial InteractionsBiofilmsBacteriaEcosystemMicrobial ConsortiaBiotaRNA, Ribosomal, 16SSoil MicrobiologyMetagenomeBiodiversityMetagenomicsPhylogenyArchaeaBacterial Physiological PhenomenaGeologic SedimentsSequence Analysis, DNAWater MicrobiologyDNA, BacterialProteobacteriaMicrobiotaDenaturing Gradient Gel ElectrophoresisRhizosphereDNA, RibosomalSoilBiodegradation, EnvironmentalSeawaterPlanktonBioreactorsEnvironmental MicrobiologyBiomassGroundwaterFresh WaterCommunity Health ServicesSewageFungiGastrointestinal TractOil and Gas FieldsColony Count, MicrobialDNA, ArchaealMethane