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Journal of Bacteriology, January 2006, p. 809-814, Vol. 188, No. 2
0021-9193/06/$08.00+0     doi:10.1128/JB.188.2.809-814.2006
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

Whole-Genome Comparison between Photorhabdus Strains To Identify Genomic Regions Involved in the Specificity of Nematode Interaction

S. Gaudriault,1* E. Duchaud,1,{dagger} A. Lanois,1 A.-S. Canoy,2,{ddagger} S. Bourot,2 R. DeRose,2,§ F. Kunst,3 N. Boemare,1 and A. Givaudan1

Laboratoire EMIP Ecologie Microbienne des Insectes et Interaction Hôtes-Pathogène, Université Montpellier II, UMR1133 INRA-UMII, 34095 Montpellier Cedex 5, France,1 Unité de Génomique des Microorganisms Pathogènes, Institut Pasteur, 75724 Paris Cedex 15, France,2 BayerCropScience, 4 Rue Pierre Fontaine, 91058 Evry, France3

Received 26 September 2005/ Accepted 26 October 2005

The bacterium Photorhabdus establishes a highly specific association with Heterorhabditis, its nematode host. Photorhabdus strains associated with Heterorhabditis bacteriophora or Heterorhabditis megidis were compared using a Photorhabdus DNA microarray. We describe 31 regions belonging to the Photorhabdus flexible gene pool. Distribution analysis of regions among the Photorhabdus genus identified loci possibly involved in nematode specificity.

* Corresponding author. Mailing address: Laboratoire EMIP Ecologie Microbienne des Insectes et Interaction Hôtes-Pathogène, Université Montpellier II, UMR1133 INRA-UMII, 34095 Montpellier Cedex 5, France. Phone: 33 4 67144812. Fax: 33 4 67144679. E-mail: sgaudriault{at}univ-montp2.fr.

{dagger} Present address: Unité de Virologie et Immunologie Moléculaires, INRA—Domaine de Vilvert, 78352 Jouy en Josas Cédex, France.

{ddagger} Present address: Biogemma, 1 Rue Pierre Fontaine, 91058 Evry, France.

§ Present address: Bayer CropScience/BioScience, 2 T.W. Alexander Drive, Research Triangle Park, NC 27709.

Journal of Bacteriology, January 2006, p. 809-814, Vol. 188, No. 2
0021-9193/06/$08.00+0     doi:10.1128/JB.188.2.809-814.2006
Copyright © 2006, American Society for Microbiology. All Rights Reserved.





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