Molecular analysis of ampicillin-resistant sporadic Salmonella typhi and Salmonella paratyphi B clinical isolates Panayotis T. Tassios, Alkiviadis C.

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Molecular analysis of ampicillin-resistant sporadic Salmonella typhi and Salmonella paratyphi B clinical isolates Panayotis T. Tassios, Alkiviadis C. Vatopoulos, Efstratios Mainas, Dimitra Gennimata, John Papadakis, Asterios Tsiftsoglou, Victoria Kalapothaki, Nicholas J. Legakis Clinical Microbiology and Infection Volume 3, Issue 3, Pages 317-323 (June 1997) DOI: 10.1111/j.1469-0691.1997.tb00620.x Copyright © 1997 European Society of Clinical Infectious Diseases Terms and Conditions

Figure 1 EcoRI restriction enzyme digests of the ampicillin-resistant trans-conjugants. The sizes in kb of Λ-phage DNA fragments resulting from Hind III digestion are shown to the left of the gel. SeI: trans-conjugant of the S. enteritidis carrying the 34-MDa plasmid (4). SeV: trans-conjugant of the S. enteritidis carrrying the 100-MDa plasmid (4). Sp=S. paratyphi, St=S. typhi (this study). Clinical Microbiology and Infection 1997 3, 317-323DOI: (10.1111/j.1469-0691.1997.tb00620.x) Copyright © 1997 European Society of Clinical Infectious Diseases Terms and Conditions

Figure 2 Genotypic diversity of ampicillin-resistant and -sensitive strains. PFGE chromosomal fingerprints (PFGE type) of ampicillin (AMP)-resistant (R) and -sensitive (S). S. typhi (St) and S. paratyphi B (Sp) strains. Sizes, in kb, of Λ-phage concatamers are indicated to the left of the gel. Clinical Microbiology and Infection 1997 3, 317-323DOI: (10.1111/j.1469-0691.1997.tb00620.x) Copyright © 1997 European Society of Clinical Infectious Diseases Terms and Conditions