
The purpose of this study is to investigate the distribution and structure of Salmonella genomic island 1 (SGI1) among Salmonella enterica serovar Derby isolates from swine and their rearing environment. Three variants of SGI1s, specifically SGI1-A, C, and I, were identified by PCR mapping. The results of macro-restriction analysis and DNA sequencing of SGI1 flanking regions revealed that there are at least two genomic lineages of Derby strains bearing SGI1s.
Swine Diseases, Salmonella Infections, Animal, Base Sequence, Genomic Islands, Swine, Drug Resistance, Multiple, Bacterial, Molecular Sequence Data, Animals, Salmonella enterica, Polymerase Chain Reaction
Swine Diseases, Salmonella Infections, Animal, Base Sequence, Genomic Islands, Swine, Drug Resistance, Multiple, Bacterial, Molecular Sequence Data, Animals, Salmonella enterica, Polymerase Chain Reaction
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