Artículo
Bile-induced curing of the virulence plasmid in Salmonella enterica serovar typhimurium
Autor/es | Ramos Morales, Francisco
García Quintanilla, Meritxell de Jesús Prieto Márquez, Ana Isabel Barnes, Laurent Casadesús Pursals, Josep |
Departamento | Universidad de Sevilla. Departamento de Genética |
Fecha de publicación | 2006 |
Fecha de depósito | 2016-03-01 |
Publicado en |
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Resumen | Exposure to bile induces curing of the virulence plasmid in Salmonella enterica serovar Typhimurium (pSLT). Disruption of the ccdB gene increases pSLT curing, both spontaneous and induced by bile, suggesting that the pSLT ... Exposure to bile induces curing of the virulence plasmid in Salmonella enterica serovar Typhimurium (pSLT). Disruption of the ccdB gene increases pSLT curing, both spontaneous and induced by bile, suggesting that the pSLT ccdAB genes may encode a homolog of the CcdAB addiction module previously described in the F sex factor. Unlike the F sex factor, synthesis of pSLT-encoded pili does not confer bile sensitivity. These observations may provide insights into the evolution of virulence plasmids in Salmonella subspecies I, as well as the causes of virulence plasmid loss in other Salmonella subspecies |
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Bile-induced curing.pdf | 68.15Kb | [PDF] | Ver/ | |