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Journal of Bacteriology, July 2007, p. 4964-4968, Vol. 189, No. 13
0021-9193/07/$08.00+0     doi:10.1128/JB.00310-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Diffusible Signal Factor-Dependent Cell-Cell Signaling and Virulence in the Nosocomial Pathogen Stenotrophomonas maltophilia{triangledown}

Yvonne Fouhy,1 Karl Scanlon,1,{dagger} Katherine Schouest,2 Charles Spillane,2 Lisa Crossman,3 Matthew B. Avison,4 Robert P. Ryan,1 and J. Maxwell Dow1*

BIOMERIT Research Centre, Department of Microbiology, BioSciences Institute, National University of Ireland, Cork, Ireland,1 Department of Biochemistry, BioSciences Institute, National University of Ireland, Cork, Ireland,2 Pathogen Sequencing Unit, Wellcome Trust Sanger Institute, Genome Campus, Hinxton, Cambridge CB10 1SA, United Kingdom,3 University of Bristol, Department of Cellular and Molecular Medicine, School of Medical Sciences, University Walk, Bristol BS8 1TD, United Kingdom4

Received 2 March 2007/ Accepted 17 April 2007

The genome of Stenotrophomonas maltophilia encodes a cell-cell signaling system that is highly related to the diffusible signal factor (DSF)-dependent system of the phytopathogen Xanthomonas campestris. Here we show that in S. maltophilia, DSF signaling controls factors contributing to the virulence and antibiotic resistance of this important nosocomial pathogen.

* Corresponding author. Mailing address: BIOMERIT Research Centre, Department of Microbiology, BioSciences Institute, National University of Ireland, Cork, Ireland. Phone: 353-21-4901316. Fax: 353-21-4275934. E-mail: m.dow{at}ucc.ie

{triangledown} Published ahead of print on 27 April 2007.

{dagger} Present address: Ashtown Food Research Centre, Teagasc, Ashtown, Dublin 15, Ireland.

Journal of Bacteriology, July 2007, p. 4964-4968, Vol. 189, No. 13
0021-9193/07/$08.00+0     doi:10.1128/JB.00310-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.



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