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. 2001 Aug;39(8):2981-3.
doi: 10.1128/JCM.39.8.2981-2983.2001.

Atypical, fljB-negative Salmonella enterica subsp. enterica strain of serovar 4,5,12:i:- appears to be a monophasic variant of serovar Typhimurium

M A Echeita  1 , S Herrera, M A Usera
Affiliations

Atypical, fljB-negative Salmonella enterica subsp. enterica strain of serovar 4,5,12:i:- appears to be a monophasic variant of serovar Typhimurium

M A Echeita et al. J Clin Microbiol. 2001 Aug.

Abstract

An fljB-negative, multidrug-resistant Salmonella enterica serovar 4,5,12:i:- phage type DT U302 strain (resistant to ampicillin, chloramphenicol, sulfonamide, gentamicin, streptomycin, tetracycline, and sulfamethoxazole-trimethoprim) emerged and spread in Spain in 1997. Sequences specific for Salmonella serovar Typhimurium and phage type DT 104 and U302 were present in this atypical Salmonella strain, suggesting that it is a monophasic Salmonella serovar Typhimurium variant.

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Figures

FIG. 1
FIG. 1
PCR amplification products of Salmonella isolates analyzed. Lanes 2 through 5, fliB-fliA intergenic region of Salmonella serovar 4,5,12:i:−, serovar Typhimurium phage type LT2, serovar Typhimurium phage type DT U302, and serovar Brandenburg (3), respectively; lanes 6 and 7, phage type DT 104 and U302 162-bp specific amplicon of Salmonella serotype 4,5,12:i:− and serotype Typhimurium phage type DT U302, respectively (10); lane 1, molecular weight marker X (Roche Molecular Biochemicals); lane 8, 50-bp ladder (Amersham Pharmacia Biotech Inc.).
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