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Data/hora: 09/06/2024 18:33:33

A note on stability in food matrices of Salmonella enterica serovar Enteritidis-controlling bacteriophages
Provedor de dados: 69
Autores: Robeson,James; Turra,Gabriel; Huber,Karen; Borie,Consuelo.
Background Lytic bacteriophages are bacterial viruses that upon infection kill their host cells and therefore have re-emerged as biological control agents of bacterial pathogens, particularly in the field of food related infections. Here, we investigated the stability in different food matrices of five phage isolates capable of controlling the foodborne pathogen Salmonella enterica serovar Enteritidis (SE). Results We found that two phages, originally isolated from food sources, were up to 5 logs more stable than three phages isolated from sewage, in ten food matrices (fresh and processed) at both 4°C and 18°C. Conclusion Lytic phages isolated from contaminated food sources seem to be a better choice when structuring phage cocktails to be used in the...
Tipo: Journal article
Palavras-chave: Biocontrol; Foodstuffs; Phage.
Ano: 2014
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582014000400008

Stability inside hen eggs of a Salmonella enterica serovar Enteritidis bacteriophage
Provedor de dados: 69
Autores: Robeson,James; Valencia,Martina; Retamales,Julio; Borie,Consuelo.
Background: Bacteriophages are viruses that infect bacteria and therefore are widespread in nature. Those that lyse the pathogen Salmonella enterica serovar Enteritidis (SE) should be expected in niches in which this bacterium thrives, among others the avian egg. Furthermore, bacteriophages could remain viable in this milieu. Results: Upon artificially infecting hen eggs with the SE bacteriophage f18 we found that the bacteriophage titer remains stable at least for up to 144 hrs post-infection , both in yolk and albumen at 25ºC. Conclusion: Bacteriophage f18 withstands the physico-chemical conditions of the egg inner milieu and could be considered for SE-controlling measures in the poultry industry.
Tipo: Journal article
Palavras-chave: Bacteriophage; Egg; Enteritidis; Salmonella.
Ano: 2011
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582011000400011