EN
A total of 103 strains of Aeromonas spp. isolated from clinical and from environmental samples was compared by using SDS-PAGE of periplasms proteins patterns. Strains isolated from Polish children suffering from gastroenteritis did not appear similar to strains isolated from human living in Hong-Kong. Aeromonas sp. strains did not show a tendency to cluster according to their origin. Our results have demonstrated no species-specifs periplasms protein profiles. A significant protein electrophoretic heterogeneity was observed within the species A. hydrophila, A. hestiarum, A. salmonicida, A. caviae, A. media, and A. vermin biotype sobria.