TABLE 4.
Tetracycline resistance characteristics of Agrobacterium spp.
| Agrobacterium species | Strainc | Appearance of TC-resistant mutants on medium with TC ata:
|
Homology with tetC58b | |
|---|---|---|---|---|
| 5 μg/ml | 10 μg/ml | |||
| A. tumefaciens | C58 (NT1, UIA5, A281) | ++ | ++ | ++ |
| T37 | ++ | ++ | ++ | |
| K108 | − | − | − | |
| Ach5 (LBA4404) | − | − | − | |
| A6NC | − | − | − | |
| R10 | − | − | − | |
| 15955 | − | − | − | |
| B6 | − | − | − | |
| Bo542 | − | − | − | |
| Chry5 | − | − | − | |
| ANT4 | − | − | − | |
| A. rhizogenes | 2655 | − | − | − |
| 2657 | − | − | − | |
| K599 | − | − | − | |
| 8196 | − | − | − | |
| A4 | − | − | − | |
| 15834 | − | − | − | |
| A. vitis | K308 | − | − | − |
| Hm1 | − | − | − | |
| Ag57 | − | − | − | |
| Tm4 | − | − | − | |
| A. radiobacter | K84 | − | − | − |
a
Tetracycline (TC)-resistant mutants either appeared (++) or did not appear (−).
b
Determined by Southern analysis as described in Materials and Methods. Homology was (++) or was not (−) found.
c
Strains shown in parentheses are derivatives of the type strain that also were tested.