TABLE 1.
Biochemical tests distinguishing M. decora crop isolates from selected Aeromonas spp.
| Test | M. decora isolates | Aeromonas hydrophilaa | Aeromonas trotaa | Aeromonas eucrenophilaa | Aeromonas jandaeia | Aeromonas veronii bv. sobriaa | Aeromonas caviaea |
|---|---|---|---|---|---|---|---|
| Voges-Proskauer | −b | + | − | − | d | d | − |
| Lysine decarboxylase | − | + | + | − | + | + | − |
| Orthinine decarboxlyase | − | − | − | − | − | − | − |
| Arginine dehydrolase | + | + | + | d | + | + | + |
| Esculin hydrolysis | + | + | − | d | − | − | d |
| Gas from d-glucose | + | + | d | d | + | + | − |
| l-Arabanose fermentation | + | d | − | d | − | − | + |
| Sucrose fermentation | − | + | d | d | − | + | + |
| d-Mannitol fermentation | + | + | d | + | + | + | + |
| Citrate utilization | − | d | + | − | d | d | d |
| Hemolysis | + | + | d | d | + | + | d |
a
Biochemical tests for Aeromonas species (1).
b
−, <10% positive; +, >90% positive; d, 11 to 89% positive.