Table 2. Comparison of biochemical properties of Escherichia spp. strains.
| Agent or test | 26 E. albertii strains (this study)† | E. albertii LMG20976 (type strain) | E. albertii strains (9) | E. coli (11)† |
|---|---|---|---|---|
| Indole | 96.2 | – | 100 | 98 |
| Motility | 0 | – | 0 | 95 |
| Urea | 0 | – | 0 | 1 |
| ONPG | 88.5 | + | ND | ND |
| MUG | 0 | – | ND | (+)‡ |
| Citrate | 0 | – | 0 | 1 |
| Acetate | 92.3 | + | ND | 90 |
| Malonate | 0 | – | ND | 0 |
| H2S on triple sugar iron | 0 | – | ND | 1 |
| Voges-Proskauer | 0 | – | ND | 0 |
| Lysine decarboxylase | 100 | + | 100 | 90 |
| Ornithine decarboxylase | 100 | + | 100 | 65 |
| Arginine dihydrolase | 0 | – | 0 | 17 |
| Glucose, acid | 100 | + | 100 | 100 |
| Glucose, gas | 100 | + | 100 | 95 |
| Acid from | ||||
| Adonitol | 0 | – | ND | 0 |
| l-arabinose | 100 | + | 100 | 99 |
| Cellobiose | 0 | – | ND | 2 |
| Dulcitol | 0 | – | ND | 60 |
| Myo-inositol | 0 | – | ND | 1 |
| Lactose | 3.9 | – | 0 | 95 |
| Maltose | 88.5 | + | ND | 95 |
| Mannitol | 100 | + | 100 | 100 |
| l-rhamnose | 0 | – | 0 | 0 |
| Salicin | 26.9 | – | ND | 40 |
| d-sorbitol | 57.7 | – | V | 94 |
| Sucrose | 19.2 | – | 0 | 50 |
| Trehalose | 96.2 | + | ND | 98 |
| d-xylose | 0 | – | 0 | 95 |
*ONPG, ortho-Nitrophenyl-β-galactoside; MUG, methylumbelliferyl-β-D-glucuronide; –, negative; +, positive: ND, not determined. †Average (%) of positive strains. ‡Most E. coli strains produce β-D-glucuronidase.