ProbioticsBacteriaBody Surface AreaGram-Negative BacteriaGram-Positive BacteriaBacteria, AnaerobicRNA, Ribosomal, 16SMolecular Sequence DataBacteria, AerobicBacterial ProteinsDNA, BacterialBurnsPhylogenyEscherichia coliSurface PropertiesDNA, RibosomalSequence Analysis, DNAWater MicrobiologyGram-Negative Aerobic BacteriaAnti-Bacterial AgentsGram-Negative Anaerobic BacteriaBacterial Physiological PhenomenaSoil MicrobiologySeawaterSulfur-Reducing BacteriaGenes, BacterialCulture MediaRNA, BacterialColony Count, MicrobialAmino Acid SequenceGene Expression Regulation, BacterialSpecies Specificity