TABLE 1.
Phenotypic characteristics useful for differentiation of Microbacterium species as generated in this study (clinical isolate) and from previously published reports
| Characteristic | Resultc |
|||||
|---|---|---|---|---|---|---|
| Clinical isolate | M. binotii DSM 19164 | M. neimengense DSM 24985 | M. resistens DSM 11986 | M. thalassium DSM 12511 | M. lemovicicum DSM 25044 | |
| 16S rRNA % similarity | NA | 100 | 99.86 | 98.36 | 98.22 | 98.07 |
| Pigment | Y | Y | Y | Y | Y | O |
| Catalase | + | + | − | + | ND | + |
| l-Arabinosea | + | + | − | ND | − | ND |
| d-Galactosea | + | + | − | ND | − | ND |
| d-Glucosea | + | + | + | + | + | − |
| d-Fructosea | + | + | − | ND | ND | ND |
| d-Mannitola | + | + | − | − | ND | − |
| Sucrosea | + | + | + | + | − | − |
| Motility | −b | − | − | − | − | − |
| Gelatin hydrolysis | − | − | − | + | V | − |
| Growth in 5% NaCl | + | + | − | ND | + | − |
| Growth in 6.5% NaCl | − | − | − | ND | + | − |
| Growth at 37°C | + | + | + | + | − | + |
| Growth at 42°C | − | − | + | − | − | − |
| Urease production | − | − | ND | − | ND | − |
| H2S production | − | − | ND | − | − | ND |
| Reference(s) | PR | 5 | 4 | 6,7 | 8 | 9 |
a
Acid from carbohydrate fermentation.
b
In a semisolid medium consisting of 2.5% heart infusion broth, 0.2% KNO3, 0.2% K2HPO4, 3% gelatin, and 1.5% agar (wt/vol).
c
NA, not applicable; PR, present report; ND, not done; V, variable; Y, yellow; O, orange; −, negative reaction; +, positive reaction.