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Título : Efficient isolation of Campylobacter bacteriophages from chicken skin, analysis of several isolation protocols
Autor : Nafarrate, Ibai; Mateo, Estibaliz; Amarita, Felix; Martinez de Maranon, Inigo; Lasagabaster, Amaia
Resumen : The application of Campylobacter specific bacteriophages appears as a promising food safety tool for the biocontrol of this pathogen in the poultry meat production chain. However, their isolation is a complicated challenge since their occurrence appears to be low. This work assessed the efficiency of seven protocols for recovering Campylobacter phages from chicken skin samples inoculated at phage loads from 5.0 x 10(1) to 5.0 x 10(6) PFU/g. The enrichment of chicken skin in selective Bolton broth containing target isolates was the most efficient procedure, showing a low detection limit of 5.0 x 101 PFU/g and high recovery rates of up to 560\%. This method's effectiveness increased as phage concentration decreased, showing its suitability for phage isolation. When this method was applied to isolate new Campylobacter phages from retail chicken skin, a total of 280 phages were recovered achieving an isolation success rate of 257\%. From the 109 samples 68 resulted phage positive (62\%). Chicken skin could be, therefore, considered a rich source in Campylobacter phages. This method is a simple, reproducible and efficient approach for the successful isolation of both group II and III Campylobacter specific bacteriophages, which could be helpful for the enhancement of food safety by reducing this pathogen contamination in broiler meat.
Palabras clave : Phage; Campylophage; Phage-therapy; Biocontrol; Isolation rate; Poultry; JEJUNI; IDENTIFICATION; PHAGES; RETAIL
Fecha de publicación : 2020
Editorial : ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Tipo de documento: Article
Idioma: 
DOI: 10.1016/j.fm.2020.103486
URI : http://dspace.azti.es/handle/24689/1092
ISSN : 0740-0020
E-ISSN: 1095-9998
Patrocinador: Department of Agriculture, Fisheries and Food of the Basque Government
Aparece en las tipos de publicación: Artículos científicos



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