Table 1.

Bacterial strains used in the study

StrainGenotypeSource or reference
A. tumefaciens
 GV3101 rpoH + hrcA + 12
 KN501GV3101 ΔrpoH::tetR hrcA + This study
 KN613GV3101rpoH + ΔhrcA This study
 KN201GV3101 ΔrpoH::tetR ΔhrcA This study
E. coli
 MC4100Δ(argF-lac)205 araΔ139 rpsL150 thiA1 relA1 flb-5301 deoC1 ptsF25 Laboratory stock
 KY1454MC4100grpE280 14