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a Operon map of the major TFP locus in strain 13. b Operon map of the minor TFP operon in strain 13. c pilT, the retraction ATPase necessary for TFP-mediated motility, lies in an operon with cell-division genes ftsA and ftsZ. Arrows indicate the location of promoters, circles and stems denote rho-independent terminators. Elements in red indicate new regulatory features identified by RNA-Seq. Gene sizes not to scale
