1981•Canadian Journal of MicrobiologyRequires access

A toxigenic profile of Aeromonas hydrophila and Aeromonas sobria isolated from fish

G. Olivier, R. Lallier, Serge Larivière

Abstract

Forty strains of motile Aeromonas were isolated from healthy and diseased fish. These strains were identified as A. hydrophila or a A. sobria. It was found that only strains of A. hydrophila produced a dermonecrotic factor and two zones of hemolysis on blood agar. All the strains of A. sobria tested and 72% of the A. hydrophila were enterotoxigenic. Finally, we observed that only A. hydrophila strains could regularly produce hemolysin at 10 degrees C.

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Key concepts: Aeromonas hydrophila, Microbiology, Aeromonas, Biology, Fish <Actinopterygii>, Vibrionaceae, Bacteria, Fishery