European Journal of Clinical Microbiology

, Volume 5, Issue 3, pp 311–316 | Cite as

Incidence and virulence ofAeromonas species in feces of children with diarrhea

  • F. Mégraud


Aeromonasspp. occurring in feces of children with diarrhea were studied. Forty-eight strains were isolated from 2,025 specimens during a one year period. Only 11 of 44 strains tested yielded virulence factors (cytotoxin, hemolysin and hemagglutinin). Six strains were identified asAeromonas sobriaand five asAeromonas hydrophila.The other strains isolated were identified asAeromonas caviae.The biochemical characteristics associated with virulence factors were a positive Voges-Proskauer reaction, production of gas from glucose, fermentation of mannose, and absence of β-lactosidase. Beta-D-glucosidase and esculin hydrolysis were the main characteristics used to differentiateAeromonas sobriafrom the other two species. The incidence ofAeromonasspp. with virulence factors in feces of children with diarrhea would seem to vary widely from one area to another.


Glucose Internal Medicine Diarrhea Mannose Virulence Factor 
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Copyright information

© Friedr, Vieweg & Sohn Verlagsgesellschaft mbH 1986

Authors and Affiliations

  • F. Mégraud
    • 1
  1. 1.Laboratoire de BactériologieHôpital des EnfantsBordeaux CedexFrance

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