Article
A novel regulatory system required for pathogenicity of Xanthomonas campestris is mediated by a small diffusible signal molecule.
Molecular microbiology - 1 May 1997
Barber C E, Tang J L, Feng J X, Pan M Q, Wilson T J, Slater H, Dow J M, Williams P, Daniels M J
Abstract excerpt
Mutations in the seven clustered rpf genes cause downregulated synthesis of extracellular enzymes and reduced virulence of Xanthomonas campestris pathovar campestris (Xcc). The phenotype of mutants in one of the genes, rpfF, can be restored by a diffusible extracellular factor (DSF) produced by all Xcc strains tested, apart from rpfF and rpfB mutants. DSF accumulates in early stationary phase (when synthesis of...
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