TABLE 2.
Phenotypic characteristics of phenon 1 and phenon 2a
| Test | Phenon 1 (n = 17) | Phenon 2 (n = 15) |
|---|---|---|
| Growth in BHI broth at: | ||
| 44°C | − | − |
| 41°C | − | +b |
| 37°C | +b | + |
| Acid from d-glucose | − | − |
| Gelatinase | − | − |
| Hemolysis of sheep blood | − | − |
| Utilization of: | ||
| dl-Lactate | + | + |
| dl-4-Aminobutyrate | − | − |
| trans-aconitate | − | − |
| Citrate (Simmons) | + | 60 |
| Glutarate | 88c | 93 |
| l-Aspartate | 94b | − |
| Azelate | + | 60 |
| β-Alanine | − | − |
| l-Histidine | − | − |
| d-Malate | +b | 93b |
| Malonate | − | − |
| Histamine | − | − |
| l-Phenylalanine | − | − |
| Phenylacetate | − | − |
a
+, all strains positive; −, all strains negative. The numbers are percentages of positive strains.
b
Weak reactions in some strains.
c
Two gluratate-negative isolates were epidemidemiologically related and represented one strain as confirmed by RAPD typing (see Results).