TABLE 1.

Strains used in this study

Strain namePlasmid contentGenotypeRelevant characteristic(s)aReference
UT500pXO1+ pXO2+pXO2 from 6602 transduced into 77023
UT501pXO1+ pXO2+atxAKmr3
UT502pXO1+ pXO2+acpASpr3
UT525pXO1+ pXO2+acpBKmr6
UT526pXO1+ pXO2+acpA acpBSpr Kmr6
  • a Abbreviations: Kmr, kanamycin resistance; Spr, spectinomycin resistance.