Table 2 Physiological and biochemical characteristics of isolate A.S compared to those reported for Aeromonas hydrophila by Abbott et al. (2003), Martin-Carnahan and Joseph (2005), and Erdem et al. (2011)
Characteristics | Isolate A.S | Abbott et al. (2003) | (Martin-Carnahan and Joseph. (2005) | Erdem et al. (2011) |
|---|---|---|---|---|
Gram reaction | – | – | – | – |
Spore | – | – | – | – |
Indole production | + | + | + | + |
Methyl red (M.R) | + | nt | nt | + |
Voges-Proskauer (V-P) | + | + | + | + |
Citrate (Simmons’) | + | + | d | nt |
Nitrate reduction media | + | nt | + | + |
Urea hydrolysis | – | – | – | – |
Triple sugar iron (TSI) | – | nt | nt | nt |
Growth in 0% NaCl | + | + | + | + |
Growth in 3% NaCl | + | + | + | nt |
Growth in KCN | – | + | + | + |
Motility test | + | + | + | + |
Oxidase activity | + | + | + | + |
Catalase test | + | + | + | + |
Arginine dihydrolase | + | + | + | + |
Ornithine decarboxylase | – | – | – | – |
Lysine decarboxylase | + | + | + | + |
Hemolysis | + | + | + | + |
Hydrolysis of: | ||||
Starch | + | nt | nt | + |
Cellulose | – | nt | nt | nt |
Lipid | + | + | + | nt |
Gelatin | + | + | + | + |