Gene Expression ProfilingGene ExpressionGene Expression RegulationPseudogenesOligonucleotide Array Sequence AnalysisMolecular Sequence DataRNA, MessengerBase SequenceTranscription, GeneticReverse Transcriptase Polymerase Chain ReactionPromoter Regions, GeneticGene Expression Regulation, DevelopmentalSequence Analysis, DNACluster AnalysisTranscription FactorsGene Expression Regulation, PlantBiotaPhylogenyCarbon CycleGene Expression Regulation, NeoplasticMultigene FamilyMicroarray AnalysisGene Regulatory NetworksGene Expression Regulation, BacterialNitrificationSoil MicrobiologyGene Expression Regulation, EnzymologicNitrogen CycleBacteriaAmino Acid SequenceTranscriptomeDenitrificationCell LineEvolution, MolecularGenesPolymerase Chain ReactionChromosome MappingSignal TransductionGene LibraryCloning, MolecularModels, GeneticGene Expression Regulation, ViralMutationDatabases, GeneticComputational BiologyMetagenomeDNA PrimersGenetic VariationCells, CulturedGenes, BacterialGenomicsDNASequence Homology, Nucleic AcidGenes, PlantPhenotypeDNA-Binding ProteinsTransfectionArchaeaRNAAlgorithmsGene Expression Regulation, FungalNitrogenPlasmidsDNA, ComplementarySpecies SpecificityNucleic Acid HybridizationBiodiversitySequence AlignmentGenes, ReporterExpressed Sequence TagsMolecular Sequence AnnotationCarbonEnvironmental MicrobiologyDNA, BacterialGenomeReal-Time Polymerase Chain ReactionBacterial ProteinsMice, Inbred C57BLTime FactorsPterisGenetic VectorsCell Line, TumorSoilMetagenomicsUp-RegulationBlotting, NorthernGallionellaceaeRhizosphereLiverBiological EvolutionMethaneCell DifferentiationIntronsModels, BiologicalArabidopsisGene DuplicationTranscriptional ActivationGenome, HumanUraniumOpen Reading Frames