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Integrons and transposons on the Salmonella enterica serovar typhimurium virulence plasmid.

ABSTRACT: A virulence plasmid was identified in a multidrug-resistant Salmonella enterica serotype Typhimurium strain carrying the spvC, rck, and pefA virulence genes and two class 1 integrons linked to the Tn21 and Tn1696 transposons. A novel trimethoprim resistance gene, designated dfrA23, was also identified within the integron region. The association of multidrug resistance and virulence determinants represents an interesting example of virulence plasmid evolution.

SUBMITTER: Villa L 

PROVIDER: S-EPMC549245 | biostudies-literature | 2005 Mar

REPOSITORIES: biostudies-literature

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Integrons and transposons on the Salmonella enterica serovar typhimurium virulence plasmid.

Villa Laura L   Carattoli Alessandra A  

Antimicrobial agents and chemotherapy 20050301 3

A virulence plasmid was identified in a multidrug-resistant Salmonella enterica serotype Typhimurium strain carrying the spvC, rck, and pefA virulence genes and two class 1 integrons linked to the Tn21 and Tn1696 transposons. A novel trimethoprim resistance gene, designated dfrA23, was also identified within the integron region. The association of multidrug resistance and virulence determinants represents an interesting example of virulence plasmid evolution. ...[more]

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