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Presence of blaTEM-116 gene in environmental isolates of Aeromonas hydrophila and Aeromonas jandaei from Brazil

Lívia Carminato Balsalobre, Milena Dropa, Danielle Escudeiro de Oliveira, Nilton Lincopán, Elsa Masae Mamizuka, Glavur Rogério Matté, Maria Helena Matté

Brazilian Journal of Microbiology · 2010 · 26 citations · 6 references

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Abstract

It is known that Aeromonas spp. possess different chromosomal β-lactamase genes. Presence and phenotypic expression of bla TEM, bla SHV, and bla CTX-M ESBL-encoding genes were investigated in environmental water isolates of Aeromonas hydrophila and Aeromonas jandaei. Presence of bla SHV and bla CTX-M genes was not observed, and bla TEM gene was verified in 91% of the isolates. Sequencing of 10 fragments showed the occurrence of bla TEM-116.

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