Francisella tularensisTularemiaVirulenceFrancisellaBacterial ProteinsBacterial VaccinesGene Expression Regulation, BacterialVaccines, AttenuatedHaresGenes, BacterialGenomic IslandsMolecular Sequence DataMice, Inbred BALB CMacrophagesDNA, BacterialGenome, BacterialMutationLethal Dose 50Gene DeletionHost-Pathogen InteractionsDermacentorPhagosomes