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Título: | PCR detection of food bacteria producing the biogenic amines histamine, tyramine, putrescine, and cadaverine |
Autor: | Rivas, Blanca de las CSIC ORCID; Marcobal, Ángela CSIC; Carrascosa, Alfonso V. CSIC ORCID ; Muñoz, Rosario CSIC ORCID | Fecha de publicación: | 2006 | Editor: | International Association for Food Protection | Citación: | Journal of Food Protection 69(10): 2509-2514 (2006) | Resumen: | This study describes an easy PCR method for the detection of foodborne bacteria that potentially produce histamine, tyramine, putrescine, and cadaverine. Synthetic oligonucleotide pairs for the specific detection of the gene coding for each group of bacterial histidine, tyrosine, ornithine, or lysine decarboxylases were designed. Under the conditions used in this study, the assay yielded fragments of 372 and 531 bp from histidine decarboxylase-encoding genes, a 825-bp fragment from tyrosine decarboxylases, fragments of 624 and 1,440 bp from ornithine decarboxylases, and 1,098- and 1,185-bp fragments from lysine decarboxylases. This is the first PCR method for detection of cadaverine-producing bacteria. The method was successfully applied to several biogenic amine-producing bacterial strains | URI: | http://hdl.handle.net/10261/45311 | ISSN: | 0362-028X |
Aparece en las colecciones: | (IFI) Artículos |
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