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Appl. Environ. Microbiol. doi:10.1128/AEM.02470-08
Development and application of a novel Peptide Nucleic Acid probe for the specific detection of Cronobacter (Enterobacter sakazakii) in powdered infant formula C. Almeida, N. F. Azevedo, C. Iversen, S. Fanning, C. W. Keevil, and M. J. Vieira*
Abstract
Here, we report a fluorescence in situ hybridization (FISH) method for the rapid detection of Cronobacter in powdered infant formula (PIF), using a novel peptide nucleic acid (PNA) probe. Laboratory testing with several Enterobacteriaceae species showed a specificity and sensitivity of 100% for the method. PNA FISH could detect as few as 1 CFU per 10g of Cronobacter in PIF, after an 8 h enrichment step, even in a mixed population of bacterial contaminants.
http://aem.asm.org/cgi/content/abstract/AEM.02470-08v1
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