Table 1. Y. pseudotuberculosis strains and mutants used in this study.

Y. pseudotuberculosis	Notation	Relevant Characteristics	References
32777	WT	Yptb wild-type serogroup O:1 strain	[47]
32777c	WT2777c	Virulence pYV-cured derivative of 32777 that lacks the T3SS	[47]
32777 YopJC172A	YopJC172A	Catalytically inactive YopJ	[45]
32777 YopHR409A	YopHR409A	Catalytically inactive YopH	[45,48,49]
32777 ΔYopB	ΔYopB	Deletion of YopB	[45,46]
32777 YopER144A	YopER144A	Catalytically inactive YopE	[45]
32777 YopTC139A	YopTC139A	Catalytically inactive YopT	[45]
32777 ΔYopM	ΔYopM	Deletion of YopM	[50]
32777 ΔYpkA	ΔYpkA	Deletion of YpkA	[51]
32777 ΔYopK	ΔYopK	Frameshift mutation in YopK	[52]
32777 YopE/β-lac	WT Yptb-βla	YopE TME-1 β-lactamase fusion protein	[53–55]
32777 ΔYopB YopE/β-lac	ΔYopB Yptb-βla	Deletion of YopB in the YopE/β-lac	[53–55]
IP2666	WT	Yptb wild-type serogroup O:3 strain	[47]
IP40	ΔYopB	IP2666 yopB40 (a stop codon at codon 8 of YopB followed by a frameshift)	[56]
IP2666 ΔInv	ΔInv	Deletion of adhesin and invasin	[12,57]
IP2666 ΔYadA	ΔYadA	Deletion of adhesin and YadA	[12,57]
IP2666 ΔInv ΔYadA	ΔInv ΔYadA	Deletion of adhesin, invasion, and YadA	[12,57]
IP40 ΔInv ΔYadA	ΔYopB ΔInv ΔYadA	Deletion of invasion and YadA in IP40 and pMMB207 mCherry	[12,57]