<b>Ecotypes and virulence factors of <i>Salmonella</i> spp. detected in shrimp farms in State of Ceara, Brazil

  • Fátima Cristiane Teles de Carvalho Universidade Federal do Ceará
  • Marina Teresa Torres Rodriguez Universidade Federal do Ceará
  • Francisca Gleire Rodrigues de Menezes Universidade Federal do Ceará
  • Oscarina Viana de Sousa Universidade Federal do Ceará
  • Ernesto Hofer Instituto Oswaldo Cruz
  • Regine Helena Silva dos Fernandes Vieira Universidade Federal do Ceará

Resumo

 

Our objective was to group in ecotypes 12 serovars of Salmonella isolated from shrimp farming environments in the State of Ceara (Northeast Brazil). Grouping was done based on genotypic virulence factors. Two groups based on the similarity of the Box-PCR were identified: a group consisting of three strains (01 S. ser. Madelia serovar and 02 S. ser. enterica subs. houtenae) and another group consisting of nine isolates (02 S. ser. Saintpaul serovars; 03 S. ser. Infantis; 02 S. ser. Panama; 01 S. enterica subs. enterica; and 01 S. enterica subs. houtenae). Distribution pattern of the serovars was not influenced by the origin matrices (water and sediment). Plasmid virulence genes pefA and invA were detected, unrelated to the serovar and environmental origin of the isolates. The presence of virulence genes in the isolates underlines the potential to trigger salmonellosis events via shrimp consumption. Biomonitoring of these sources of contamination should be encouraged as a protective measure, minimizing health risks and economic losses for the industry.

 

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Biografia do Autor

Fátima Cristiane Teles de Carvalho, Universidade Federal do Ceará
Instituto de Ciências do Mar-LABOMAR
Marina Teresa Torres Rodriguez, Universidade Federal do Ceará
Instituto de Ciências do Mar-LABOMAR
Francisca Gleire Rodrigues de Menezes, Universidade Federal do Ceará
Departamento de Engenharia de Pesca
Oscarina Viana de Sousa, Universidade Federal do Ceará
Instituto de Ciências do Mar-LABOMAR
Regine Helena Silva dos Fernandes Vieira, Universidade Federal do Ceará
Instituto de Ciências do Mar-LABOMAR
Publicado
2017-11-24
Como Citar
Carvalho, F. C. T. de, Rodriguez, M. T. T., Menezes, F. G. R. de, Sousa, O. V. de, Hofer, E., & Vieira, R. H. S. dos F. (2017). <b>Ecotypes and virulence factors of <i>Salmonella</i&gt; spp. detected in shrimp farms in State of Ceara, Brazil. Acta Scientiarum. Biological Sciences, 39(4), 469-474. https://doi.org/10.4025/actascibiolsci.v39i4.34607
Seção
Microbiologia

 

0.6
2019CiteScore
 
 
31st percentile
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0.6
2019CiteScore
 
 
31st percentile
Powered by  Scopus