Table 4.

Tetracycline resistance characteristics ofAgrobacterium spp.

AgrobacteriumspeciesStraincAppearance of TC-resistant mutants on medium with TC ata:Homology withtetC58b
5 μg/ml10 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.