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. 2003 Dec;69(12):7531-4.
doi: 10.1128/AEM.69.12.7531-7534.2003.

Detection of a Salmonella enterica serovar California strain spreading in spanish feed mills and genetic characterization with DNA microarrays

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

Detection of a Salmonella enterica serovar California strain spreading in spanish feed mills and genetic characterization with DNA microarrays

Juan Alvarez et al. Appl Environ Microbiol. 2003 Dec.

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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Figures

FIG. 1.
FIG. 1.
PFGE analysis of S. enterica serovar California strains identified in Spanish feed mills. Distribution of SpeI (A) and XbaI (C) PFGE profiles over time and the SpeI (B) and XbaI (D) PFGE profiles obtained (black arrowheads point to differences from profile S1 or X1). (E) Number of isolates for each PFGE pattern.
See this image and copyright information in PMC

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