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Table 1 Strains and plasmids used in this study

From: RpoE fine tunes expression of a subset of SsrB-regulated virulence factors in Salmonella enterica serovar Typhimurium

Strain or plasmid

Genotype or description a

Reference

Plasmids

  

pKD46

repA101ts, ori R101, araC-ParaB-gam-bet-exo, bla

[28]

pCP20

FLP+, λ cl857+ λ pR Repts, AmpR, CmR

[28]

pKD3

pANTSy derivative, FRT-flanked cat from pSC140, CmR

[28]

prpoE

rpoE with endogenous promoters in pWSK29, AmpR

This work

psrfN-2HA

srfN with endogenous promoter and C-term. tandem HA fusion in pWSK129, KanR

Our collection

psseL-2HA

sseL with endogenous promoter and C-term. tandem HA fusion in pWSK129, KanR

[8]

psseL-2HA

sifA with endogenous promoter and internal tandem HA fusion in pACYC184

[37]

pIVET5n

tnpR-lacZ, sacB, R6K ori, bla, AmpR

[29]

pPsseA-lacZ

sseA promoter fused to tnpR-lacZ in pIVET5n, AmpR

[29]

pPsseL-lacZ

sseA promoter fused to tnpR-lacZ in pIVET5n, AmpR

This work

pPsrfN-lacZ

srfN promoter fused to tnpR-lacZ in pIVET5n, AmpR

This work

pPsifA-lacZ

sifA promoter fused to tnpR-lacZ in pIVET5n, AmpR

This work

pPssaB-lacZ

ssaB promoter fused to tnpR-lacZ in pIVET5n, AmpR

This work

pPssaG-lacZ

ssaG promoter fused to tnpR-lacZ in pIVET5n, AmpR

This work

Strains

  

SL1344

wild type S. enterica sv. Typhimurium, SmR

[38]

14028s

wild type S. enterica sv. Typhimurium

[27]

14028s rpoE::cat

rpoE deletion, CmR

[27]

140282 rpoS::Tn10dCm

rpoS deletion, CmR

[27]

14028s rpoN::Ap

rpoN deletion, AmpR

[27]

14028s rpoH::PCN

rpoH deletion, temperature sensitive, AmpR

[27]

SL1344 ΔrpoE

Unmarked, in-frame deletion of rpoE, SmR

This work

SL1344 ssrB::3FLAG

ssrB-FLAG replacement allele on chromosome

This work

SL1344 PsseA::pPsseA-lacZ

Merodiploid containing integrated PsseA-lacZ reporter

[25]

SL1344 PsseL::pPsseL-lacZ

Merodiploid containing integrated PsseL-lacZ reporter

This work

SL1344 PsrfN::pPsrfN-lacZ

Merodiploid containing integrated PsrfN-lacZ reporter

This work

SL1344 PsifA::pPsifA-lacZ

Merodiploid containing integrated PsifA-lacZ reporter

This work

SL1344 PssaB::pPssaB-lacZ

Merodiploid containing integrated PssaB-lacZ reporter

This work

SL1344 PssaG::pPssaG-lacZ

Merodiploid containing integrated PssaG-lacZ reporter

This work

ΔrpoE PsseA::pPsseA-lacZ

Merodiploid containing integrated PsseA-lacZ reporter

This work

ΔrpoE PsseL::pPsseL-lacZ

Merodiploid containing integrated PsseL-lacZ reporter

This work

ΔrpoE PsrfN::pPsrfN-lacZ

Merodiploid containing integrated PsrfN-lacZ reporter

This work

ΔrpoE PsifA::pPsifA-lacZ

Merodiploid containing integrated PsifA-lacZ reporter

This work

ΔrpoE PssaB::pPssaB-lacZ

Merodiploid containing integrated PssaB-lacZ reporter

This work

ΔrpoE PssaG::pPssaG-lacZ

Merodiploid containing integrated PssaG-lacZ reporter

This work

  1. aSm, streptomycin; Amp, ampicillin; Cm, chloramphenicol; Kan, kanamycin