TABLE 1.

Bacterial strains used in this study

StrainRelevant characteristic(s)Derivation or reference
E. coli
    χ6212F λ φ80 Δ(lacZYA-argF) endA1 recA1 hsdR17 deoR thi-1 glnV44 gyrA96 relA1 ΔasdA417
    χ289F λ glnV42 T3r13
    BL21(DE3)F ompT hsdSB(rB mB) dcm gal (DE3)Novagen
S. enterica serovar Typhimurium
    χ8914ΔpabA1516 ΔpabB232 ΔasdA1669
    χ9241χ8914ΔrelA198::araC PBAD lacI TT ΔaraBAD23This study
    χ4700Δ(galE-uwrB)-100563
S. pneumoniae
    WU2Wild-type virulent, encapsulated type 35
    D39Wild-type virulent, encapsulated type 246
    L81905Wild-type virulent, encapsulated type 46