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Información tecnológica

versão On-line ISSN 0718-0764

Resumo

ANSELMO, Ricardo J.; OJEDA, Pablo A.  e  BARRIOS, Hebe A.. Detection and antimicrobial susceptibility of Shigella spp. in prepared, ready to eat salads. Inf. tecnol. [online]. 2020, vol.31, n.1, pp.13-20. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642020000100013.

The objective of this study was to investigate the presence of Shigella spp. in vegetable salads and verify the antibiotic resistance of the obtained samples. One hundred and sixty samples of ready-to-eat salads were obtained from five places of sale in the city of Lujan, province of Buenos Aires, Argentina, during the months of January 2017 to December 2018. The presence of Shigella spp. and their antibiotic resistance was determined following standard microbiological methods. Shigella was isolated from 13 samples (8.12%) by biochemical analysis and serological typing. Of the 13 isolates, four of Shigella flexneri serotype 2 showed a multidrug resistance to ampicillin, chloramphenicol and trimethoprim-sulfamethoxazole, while the rest showed resistance to a single antibiotic. It can be concluded that prepared salads, ready to consume, possess a high risk of contracting shigellosis because they are consumed without prior treatment.

Palavras-chave : Shigella spp; prepared salads; antibiotic resistance; shigellosis.

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