Table 1 Bacterial strains and plasmids.

From: Uncoupling of invasive bacterial mucosal immunogenicity from pathogenicity

Strain (acronym)/plasmid

Genetic background

Relevant genotype

Known resistances

Comments

Origin or reference

χ4138 (STm)

UK-1

Wild-type strain

Nal

Virulent wild-type control

28

χ9650 (STmΔSPI1 ΔSPI2)

UK-1

Δ(avrA-invH::cat) Δ(ssaG-ssaU::aphT

Nal, Cam, Kan

 

28

χ9052

UK-1

Δalr3 ΔdadB4 ΔasdA33

  

68

M736

ATCC 14028s derivate IR715 (ref. 69)

ΔinvC::aphT

Nal, Kan

 

31

M738

ATCC 14028s derivate IR715 (ref. 69)

ΔssaV::cat

Nal, Cam

 

31

HA135 (STmAux)

UK-1, χ9052

ΔmetC::tetRA Δalr3 ΔdadB4 ΔasdA33

Tet

 

This study

HA618 (STmAux ΔinvC)

UK-1, STmAux

ΔmetC::tetRA Δalr3 ΔdadB4 ΔasdA33 ΔinvC::aphT

Tet, Kan

 

This study

HA218 (STmAux ΔinvC ΔssaV)

UK-1, STmAux

ΔmetC::tetRA Δalr3 ΔdadB4 ΔasdA33 ΔinvC::aphT ΔssaV::cat

Tet, Kan, Cam

 

This study

HA208 (STmAux ΔSPI1 ΔSPI2)

UK-1

ΔmetC::tetRA Δalr3 ΔdadB4 ΔasdA33 Δ(avrA-invH::cat) Δ(ssaG-ssaU::aphT

Tet, Kan, Cam

 

This study

pM973

pWKS30 (ref. 70)

 

Amp

eGFP under control of the ssaG promoter

17

SB300 (STm)

SL1344

Wild-type strain

Str

  

HA623

SL1344

ΔmetC ΔalrN ΔalrP Δasd

Str

 

This study

HA630 (STmAux)

SL1344, HA300

ΔmetC ΔalrN ΔalrP Δasd::tetRA

Str, Tet

Used in Fig. 7 and corresponding Supplementary figures

This study

HA705 (STmT3SS−)

SL1344, SB300

ΔinvC::aphT ΔssaV::cat

Str, Kan, Cam

Used in Fig. 7

This study

HA706 (STmΔssaV)

SL1344, SB300

ΔssaV::cat

Str, Cam

Used in Fig. 7

This study

HA702 (STmAux T3SS−)

SL1344, SB300

ΔmetC ΔalrN ΔalrP Δasd::tetRA ΔinvC::aphT ΔssaV::cat

Str, Tet, Kan, Cam

Used in Fig. 7

This study

HA700 (STmAux ΔinvC)

SL1344, SB300

ΔmetC ΔalrN ΔalrP Δasd::tetRA ΔinvC::aphT ΔinvC::aphT

Str, Tet, Kan

Used in Fig. 7

This study

HA727 (STmAux ΔTriple-Eff)

SL1344, SB300

ΔmetC ΔalrN ΔalrP Δasd ΔinvC::aphT ΔinvC::aphT ΔsopE::pGP704 ΔsipA::aphT ΔsopE2::pM218

Str, Tet, Kan, Cam,

Used in Fig. S7

This study

HA733 (STmΔTriple-Eff)

SL1344, SB300

ΔmetC ΔalrP ΔsopE::pGP70 ΔsipA::aphT ΔsopE2::pM218

Str, Tet, Kan, Cam

Prototrophic derivative of HA727

This study

SKI12 (rough STm)

SL1344, SB300

ΔwbaP

Nal

 

71

M1525 (SEn)

S. Enteritidis 125109

Wild-type strain

  

72

HA627 (rough SEn)

S. Enteritidis 125109

ΔrfbS

  

This study