Abstract
In 200 sulfonamide-resistant Portuguese Salmonella isolates, 152 sul1, 74 sul2, and 14 sul3 genes were detected. Class 1 integrons were always associated with sul genes, including sul3 alone in some isolates. The sul3 gene has been identified in isolates from different sources and serotypes, which also carried a class 1 integron with aadA and dfrA gene cassettes.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Anti-Bacterial Agents / pharmacology*
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Bacterial Proteins / genetics*
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Bacterial Proteins / metabolism
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Conjugation, Genetic
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Drug Resistance, Bacterial
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Escherichia coli / genetics
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Genes, Bacterial / genetics*
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Humans
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Integrons / genetics*
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Portugal / epidemiology
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Reverse Transcriptase Polymerase Chain Reaction
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Salmonella Infections / epidemiology
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Salmonella Infections / microbiology
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Salmonella enterica / drug effects*
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Salmonella enterica / genetics*
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Sulfonamides / pharmacology*
Substances
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Anti-Bacterial Agents
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Bacterial Proteins
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Sul3 protein, Salmonella enterica
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Sulfonamides