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Applied and Environmental Microbiology, December 2003, p. 7531-7534, Vol. 69, No. 12
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.12.7531-7534.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.

Detection of a Salmonella enterica Serovar California Strain Spreading in Spanish Feed Mills and Genetic Characterization with DNA Microarrays

Juan Alvarez,1 Steffen Porwollik,2 Idoia Laconcha,1 Vassilis Gisakis,1 Ana Belén Vivanco,1 Iratxe Gonzalez,1 Susana Echenagusia,1 Nieves Zabala,1 Felisa Blackmer,2 Michael McClelland,2 Aitor Rementeria,1 and Javier Garaizar1*

Department of Immunology, Microbiology, and Parasitology, School of Pharmacy, University of the Basque Country, 01006 Vitoria-Gasteiz, Spain,1 Department of Cell and Molecular Biology, Sidney Kimmel Cancer Center, San Diego, California 921212

Received 7 April 2003/ Accepted 10 September 2003

We performed an epidemiological study on Salmonella isolated from raw plant-based feed in Spanish mills. Overall, 32 different Salmonella serovars were detected. Despite its rare occurrence in humans and animals, Salmonella enterica serovar California was found to be the predominant serovar in Spanish feed mills. Different typing techniques showed that isolates of this serovar were genetically closely related, and comparative genomic hybridization using microarray technology revealed 23 S. enterica serovar Typhimurium LT2 gene clusters that are absent from serovar California.

* Corresponding author. Mailing address: Department of Immunology, Microbiology, and Parasitology, School of Pharmacy, University of the Basque Country, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain. Phone: 34 945013912. Fax: 34 945013014. E-mail: oipgacaj{at}vc.ehu.es.

Applied and Environmental Microbiology, December 2003, p. 7531-7534, Vol. 69, No. 12
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.12.7531-7534.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Arrach, N., Porwollik, S., Cheng, P., Cho, A., Long, F., Choi, S.-H., McClelland, M. (2008). Salmonella Serovar Identification Using PCR-Based Detection of Gene Presence and Absence. J. Clin. Microbiol. 46: 2581-2589 [Abstract] [Full Text]  


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