Abstract
Three typing methods, restriction fragment length polymorphism (RFLP) of the 16S-23S intergenic spacer region (ISR), PCR amplification of the enterobacterial repetitive intergenic consensus (ERIC) and of the repetitive extragenic palindromic units (REP), were evaluated for typing 26 isolates of Aeromonas popoffii from different geographical origins. When the methods were independently studied, ERIC showed the highest discriminatory power. When the methods were combined, the best combination of two methods was ERIC with REP since strains showed a tendency to cluster according to their geographical origin. However, this tendency was reinforced with the addition of ISR-RFLP.
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