TABLE 1.
Conventional biochemical reactions of the four clinical strains of P. luminescens isolated from Australian patients
| Testa | Cumulative % positive at the following times:
|
||
|---|---|---|---|
| 24 h | 48 h | 7 days | |
| Indole production | NTb | 0 | 0 |
| Methyl red reaction | NT | 0 | 0 |
| Voges-Proskauer reaction | NT | 0 | 0 |
| Citrate utilization (Simmons) | 50 | 50 | 100 |
| Citrate utilization (Christensen) | 100 | 100 | 100 |
| H2S production (TSIc) | 0 | 0 | 0 |
| Urea hydrolysis | 25 | 100 | 100 |
| Phenylalanine deaminase reaction | 0 | 0 | 0 |
| Lysine decarboxylase (Moeller) reaction | 0 | 0 | 0 |
| Arginine dihydrolase (Moeller) reaction | 0 | 0 | 0 |
| Ornithine decarboxylase (Moeller) reaction | 0 | 0 | 0 |
| Gelatin hydrolysis (28°C) | 25 | 100 | 100 |
| Acid production fromd: | |||
| d-Glucose | 100 | 100 | 100 |
| d-Mannose | 100 | 100 | 100 |
| Gas from glucose | 0 | 0 | 0 |
| Esculin hydrolysis | 0 | 0 | 0 |
| Tartrate (Jordan) reaction | NT | 25 | 25 |
| Acetate utilization | 0 | 0 | 0 |
| DNase (25°C) reaction | NT | 0 | 0 |
| Nitrate reduction | 0 | 0 | 0 |
| Tyrosine clearing | 0 | 0 | 100 |
a
The incubation temperature was 35°C unless otherwise specified.
b
NT, not tested at 24 h.
c
TSI, triple sugar iron agar.
d
Acid not produced from adonitol, arabinose, cellobiose, glycerol, inositol, lactose, maltose, mannitol, melibiose, raffinose, rhamnose, salicin, sorbitol, sucrose, trehalose, or xylose.