Detection of a Salmonella enterica serovar California strain spreading in spanish feed mills and genetic characterization with DNA microarrays |
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| Authors: | Alvarez Juan Porwollik Steffen Laconcha Idoia Gisakis Vassilis Vivanco Ana Belén Gonzalez Iratxe Echenagusia Susana Zabala Nieves Blackmer Felisa McClelland Michael Rementeria Aitor Garaizar Javier |
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| Institution: | Department of Immunology, Microbiology, and Parasitology, School of Pharmacy, University of the Basque Country, 01006 Vitoria-Gasteiz, Spain. |
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| Abstract: | 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. |
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