Abstract
Sulfonamide-resistant Escherichia coli and Salmonella isolates from pigs and chickens in Ontario and Québec were screened for sul1, sul2, and sul3 by PCR. Each sul gene was distributed differently across populations, with a significant difference between distribution in commensal E. coli and Salmonella isolates and sul3 restricted mainly to porcine E. coli isolates.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Abattoirs
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Animals
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Anti-Bacterial Agents / pharmacology*
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Bacterial Proteins / genetics
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Carrier Proteins / genetics
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Chickens / microbiology*
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DNA, Bacterial / genetics
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Dihydropteroate Synthase / genetics
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Drug Resistance, Bacterial*
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Escherichia coli / drug effects
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Escherichia coli / genetics*
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Escherichia coli / isolation & purification
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Escherichia coli Proteins / genetics
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Genes, Bacterial*
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Ontario
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Polymerase Chain Reaction
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Quebec
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Salmonella / drug effects
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Salmonella / genetics*
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Salmonella / isolation & purification
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Sulfonamides / pharmacology*
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Swine / microbiology*
Substances
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Anti-Bacterial Agents
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Bacterial Proteins
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Carrier Proteins
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DNA, Bacterial
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Escherichia coli Proteins
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Sul1 protein, E coli
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Sul2 protein, bacteria
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Sul3 protein, Salmonella enterica
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Sulfonamides
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Dihydropteroate Synthase
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Sul3 protein, E coli