Key resources table.

Reagent type (species) or resource	Designation	Source or reference	Identifiers	Additional information
Gene (Salmonella enterica serovar Typhi)	ttsA	PMID: 23174673; MicrobesOnline Database	sty1889
Gene (S. Typhi)	ycbB	PMID: 30250245; MicrobesOnline Database	sty0997
Gene (Salmonella enteritidis)	sen1395	PMID: 30250245; MicrobesOnline Database	sen1395
Gene (S. Typhi)	cdtB	PMID: 18191792; MicrobesOnline Database	sty1886
Strain, strain background (Escherichia coli)	BL21 (DE3)	Invitrogen		Galan lab; electro competent
Strain, strain background (Escherichia coli)	β−2163 Δnic 35 (DAP-)	PMID: 15748991
Strain, strain background (Escherichia coli)	B834 (DE3)	Novagen	Cat. No. 69041
Strain, strain background (Salmonella enterica serovar Typhi)	ISP2825	PMID: 1879916
Antibody	anti-FLAG M2 (Monoclonal mouse)	Sigma-Aldrich		1:10000
Antibody	anti-Salmonella O poly A-1 and Vi (Polyclonal rabbit)	Becton, Dickinson and Co		1:10000
Antibody	Alexa-Fluor 488-conjugated anti-mouse	Invitrogen		1:2000
Antibody	Alexa-Fluor 594-conjugated anti-rabbit	Invitrogen		1:2000
Recombinant DNA reagent	pSB 890 (plasmid)	PMID: 7997169
Recombinant DNA reagent	pET28b (plasmid)	Invitrogen
Recombinant DNA reagent	pSB 3783 (plasmid)	PMID: 30250245	pBAD24
Sequence-based reagent	ttsAfor	This paper	PCR primers	ATGACTAAAGATGAAATC
Sequence-based reagent	ttsArev	This paper	PCR primers	TTACAATCTTACCCGTTC
Sequence-based reagent	sen1395for	This paper	PCR primers	ATGAAACCGAAGGACGAA
Sequence-based reagent	sen1395rev	This paper	PCR primers	TCATATCAATACGCGCTC
Sequence-based reagent	ycbBfor	This paper	PCR primers	ATGTTGCTTAATAAGATG
Sequence-based reagent	ycbBrev	This paper	PCR primers	TTACCTGATTAATTGTTC
Software, algorithm	ImageJ with Microbe J plug in	http://rsbweb.nih.gov/ij/; PMID: 27572972