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Brazilian Journal of Microbiology

versão impressa ISSN 1517-8382versão On-line ISSN 1678-4405

Resumo

MIRZARAZI, Mahsa; REZATOFIGHI, Seyedeh Elham; POURMAHDI, Mahdi  e  MOHAJERI, Mohamad Reza. Occurrence of genes encoding enterotoxins in uropathogenic Escherichia coli isolates. Braz. J. Microbiol. [online]. 2015, vol.46, n.1, pp.155-159. ISSN 1517-8382.  http://dx.doi.org/10.1590/S1517-838246120130860.

To determine the presence of some toxins of diarrheagenic Escherichia coli (DEC) in uropathogenic E. coli (UPEC), 138 urinary tract infection (UTI)-causing UPECs were analyzed. The astA, set, sen and cdtB genes were detected in 13 (9.4%), 2 (1.3%), 13 (9.4%) and 0 (0%) of UPEC isolates respectively. The results show that some genes encoding toxins can be transferred from DEC pathotypes to UPECs therefore these isolates can transform into potential diarrhea-causing agents.

Palavras-chave : uropathogenic Escherichia coli; toxins; phylogenetic groups; set; sen; astA and cdt genes.

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