Table 2.
Results of physiological and morphological assays of Vibrio harveyi squid isolates
| Characteristic assay |
Thailand bacterial isolates |
Vibrio harveyia |
Results from Stabili et al. [13] |
Results from Farmer III et al. [2] | ||||
|---|---|---|---|---|---|---|---|---|
|
Vibrio harveyi |
Vibrio fischeri |
Vibrio alginolyticus |
Vibrio campbelli |
Vibrio damsela |
||||
| Gram reaction | − | − | − | − | − | − | − | − |
| Cell morphology | r | r | r | r | r | r | r | r |
| Luminescence | + | + | + | d | + | − | − | − |
| 0/129 sensitivity | ||||||||
| 10 µg | + | + | + | d | + | d | nd | + |
| 150 µg | + | + | + | + | + | d | nd | + |
| Growth in 0 % NaCl | − | − | − | − | − | − | − | − |
| Growth in 3 % NaCl | + | + | + | + | + | + | + | + |
| Growth in 8 % NaCl | + | + | + | + | − | + | + | − |
| Growth at 4 °C | − | − | − | − | − | − | − | nd |
| Growth at 30 °C | + | + | + | + | + | + | + | + |
| Growth at 35 °C | + | + | + | + | d | + | + | + |
| Oxidation/fermentation | F | F | F | F | nd | nd | nd | nd |
| Decarboxylase (NaCl)b | ||||||||
| Arginine | + | − | − | − | − | − | − | + |
| Lysine | − | − | + | + | + | + | + | + |
| Ornithine | + | + | + | + | − | − | − | − |
| Acid from Inositol | − | − | nd | nd | nd | nd | nd | nd |
| Acid from Arabinose | − | − | nd | nd | nd | nd | nd | nd |
| Acid from Sucrose | − | − | nd | nd | nd | nd | nd | nd |
| Oxidase | + | + | + | + | + | + | + | + |
| Catalase | + | + | + | + | +c | nd | nd | nd |
| Voges–Proskauer | − | − | − | − | − | + | − | + |
| Indole | + | + | + | + | − | + | + | − |
| Gelatinase | + | + | + | + | − | + | + | − |
| Lipase | − | − | + | + | + | + | + | − |
| Citrate | − | − | − | + | d | + | d | − |
| Carbon sources | ||||||||
| l-Arabinose | − | − | − | d | − | − | − | − |
| Mannose | + | + | + | + | + | d | d | + |
| Cellobiose | + | + | + | + | + | − | d | − |
| Glucose | + | + | + | nd | nd | nd | nd | nd |
| Galactose | d | + | − | d | + | d | − | nd |
| Trehalose | + | + | + | + | d | + | + | − |
| Melibiose | − | − | − | − | − | − | − | − |
| Lactose | − | − | − | − | − | − | − | − |
| Mannitol | + | + | + | + | + | + | d | − |
| Sorbitol | − | − | − | − | − | − | − | − |
| Inositol | − | − | − | − | − | − | − | − |
| Sucrose | − | + | − | d | − | + | − | − |
| Identification | Vibrio harveyi | Vibrio harveyi | Vibrio harveyi | |||||
d diverse, nd no data, + positive reaction, − negative reaction, F fermentative, r rod shape
a
Vibrio harveyi ATCC 14126
b
(NaCl) indicates that NaCl was added to the standard media to enhance growth
c
Visick and Ruby [63]