Sigma FactorGene Expression Regulation, BacterialBacterial ProteinsBacitracinBacillus subtilisViologensTranscription Initiation SiteMolecular Sequence DataBase SequencePromoter Regions, GeneticTranscription, GeneticAnti-Bacterial AgentsRegulonDiamideMutationDNA-Directed RNA PolymerasesGenes, BacterialCytoplasmOperonReceptors, sigmaRNA Polymerase Sigma 54Amino Acid SequenceStress, PhysiologicalDNA, BacterialGene DeletionCell WallPeriplasmic ProteinsDrug Resistance, BacterialEscherichia coliOligonucleotide Array Sequence AnalysisEscherichia coli ProteinsGene Expression ProfilingTranscription Factors