Excision of the Shigella resistance locus pathogenicity island in Shigella flexneri is stimulated by a member of a new subgroup of recombination directionality factors.

@article{Luck2004ExcisionOT,
  title={Excision of the Shigella resistance locus pathogenicity island in Shigella flexneri is stimulated by a member of a new subgroup of recombination directionality factors.},
  author={Shelley N. Luck and Sally A. Turner and Kumar Rajakumar and Ben Adler and Harry Sakellaris},
  journal={Journal of bacteriology},
  year={2004},
  volume={186 16},
  pages={5551-4}
}
Pathogenicity islands are capable of excision and insertion within bacterial chromosomes. We describe a protein, Rox, that stimulates excision of the Shigella resistance locus pathogenicity island in Shigella flexneri. Sequence analysis suggests that Rox belongs to a new subfamily of recombination directionality factors, which includes proteins from P4, enterohemorrhagic Escherichia coli, and Yersinia pestis. 

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