Genetic VariationPhylogenyBiodiversityBacteriaSequence Analysis, DNAMolecular Sequence DataEcosystemMetagenomeRNA, Ribosomal, 16SCultural DiversitySoil MicrobiologyGeographySpecies SpecificityEvolution, MolecularDNA, BacterialCluster AnalysisBiological EvolutionBacterial Physiological PhenomenaFungiBiotaDNA, RibosomalGenetics, PopulationSymbiosisSeawaterBase SequenceMicrobiotaAntibody DiversityGastrointestinal TractMetagenomicsPolymerase Chain ReactionMicrosatellite RepeatsWater MicrobiologyPhylogeographyArchaeaGenotypeRhizosphereFresh WaterProteobacteriaGeologic SedimentsGenome, BacterialPlantsSelection, GeneticMicrobiologyAmino Acid SequenceOceans and SeasPopulation DynamicsMicrobiological PhenomenaMicrobial InteractionsEcologyEnvironmental MicrobiologyHaplotypesSoilPacific OceanMicrobial ConsortiaPolymorphism, Restriction Fragment LengthPolymorphism, GeneticDNA FingerprintingBiomassDenaturing Gradient Gel ElectrophoresisPopulation DensityHost-Pathogen InteractionsAllelesEukaryotaModels, GeneticBacterial ProteinsDNA, MitochondrialRandom Amplified Polymorphic DNA TechniqueConservation of Natural ResourcesTropical ClimateSequence AlignmentFossilsMarine BiologyAquatic OrganismsDNA PrimersGenes, rRNAModels, BiologicalMethaneEnvironmentDNA, PlantGene FlowAtlantic OceanGenetic SpeciationEndangered SpeciesDNA, Ribosomal SpacerAmplified Fragment Length Polymorphism AnalysisImmunity, InnateIsopteraVirusesGenes, BacterialAdaptation, BiologicalPhenotypePlanktonPoaceaeRecombination, GeneticGenetic MarkersGenomicsActinobacteriaBacteroidetesBacterial Typing TechniquesIntestines