Abstract
Using fragment profiling, PCR, and Southern hybridization, we found that Salmonella enterica serovar Choleraesuis harbored virulence plasmids of various sizes, whereas serovars Typhimurium, Enteritidis, and Dublin carried a plasmid of a unique size. Also, the virulence plasmid of Typhimurium contained genes in the same order detected in the other three plasmids, all of which contained deletions.
Publication types
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Comparative Study
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Base Sequence
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Chromosome Mapping
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DNA Primers / genetics
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Genes, Bacterial
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Physical Chromosome Mapping
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Plasmids / genetics*
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Polymerase Chain Reaction
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Salmonella enterica / classification
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Salmonella enterica / genetics*
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Salmonella enterica / pathogenicity*
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Salmonella enteritidis / genetics
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Salmonella enteritidis / pathogenicity
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Salmonella typhimurium / genetics
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Salmonella typhimurium / pathogenicity
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Serotyping
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Virulence / genetics