Basic information
Host Type Human/Animal
Interaction Type Pathogenesis
T3SS Number 2
T3SS Name, Location and Class
Sal-SPI1 Chromosome Inv/Mxi/Spa
Sal-SPI2 Chromosome Esa/Ssa
Representative Strain and Host Species
Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Host: Mainly mice (causing enteritidis)
Browse T3SS genes of representative Salmonella strains
Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Browse Sal-SPI1 T3SS gene clusters according to function category
Category I. Apparatus
Outer membrane ring Sal-SPI1-InvGInner membrane ring Sal-SPI1-PrgK Sal-SPI1-PrgH
Cytoplasmic ring Sal-SPI1-SpaO
Export apparatus Sal-SPI1-SpaP Sal-SPI1-SpaQ Sal-SPI1-SpaR Sal-SPI1-SpaS Sal-SPI1-InvA
Needle assembly Sal-SPI1-InvI Sal-SPI1-InvJ Sal-SPI1-OrgA Sal-SPI1-OrgB
Needle major subunit Sal-SPI1-PrgI
Needle minor subunit Sal-SPI1-PrgJ
Translocon Sal-SPI1-SipB Sal-SPI1-SipC Sal-SPI1-SipD
ATPase Sal-SPI1-InvC
Effector export Sal-SPI1-InvE
Category II. Chaperone
Sal-SPI1-SicA Sal-SPI1-InvB Sal-SPI1-SigE Sal-SPI1-SicPCategory III. Secreted effector
Sal-SPI1-SipA Sal-SPI1-AvrA Sal-SPI1-SspH1 Sal-SPI1-SptP Sal-SPI1-SopESal-SPI1-SopE2 Sal-SPI1-SopB Sal-SPI1-SopA Sal-SPI1-SopD
Category IV. Transcription regulator
Sal-SPI1-InvF Sal-SPI1-HilA Sal-SPI1-HilC Sal-SPI1-HilDSal-SPI1-HilE Sal-SPI1-PhoP Sal-SPI1-SirA Sal-SPI1-SirB
Browse Sal-SPI2 T3SS gene clusters according to function category
Category I. Apparatus
Outer membrane ring Sal-SPI2-SsaCInner membrane ring Sal-SPI2-SsaJ Sal-SPI2-SsaD
Cytoplasmic ring Sal-SPI2-SsaQ
Export apparatus Sal-SPI2-SsaR Sal-SPI2-SsaS Sal-SPI2-SsaT Sal-SPI2-SsaU Sal-SPI2-SsaV
Needle assembly Sal-SPI2-SsaO Sal-SPI2-SsaP Sal-SPI2-SsaK Sal-SPI2-SsaL
Needle major subunit Sal-SPI2-SsaG
Needle minor subunit Sal-SPI2-SsaI
Translocon Sal-SPI2-SseB Sal-SPI2-SseC Sal-SPI2-SseD
ATPase Sal-SPI2-SsaN
Effector export
Category II. Chaperone
Sal-SPI2-SseA Sal-SPI2-SscA Sal-SPI2-SscB Sal-SPI2-SsaECategory III. Secreted effector
Sal-SPI2-SspH1 Sal-SPI2-SspH2 Sal-SPI2-SlrP Sal-SPI2-SifA Sal-SPI2-SifB Sal-SPI2-GogBSal-SPI2-SseE Sal-SPI2-SpvC Sal-SPI2-SseG Sal-SPI2-SseI Sal-SPI2-SseF Sal-SPI2-SseJ
Sal-SPI2-SseL
Category IV. Transcription regulator
Sal-SPI2-SsrA Sal-SPI2-SsrB Sal-SPI2-YdgT Sal-SPI2-OmpR Sal-SPI2-H-NS Sal-SPI2-Hha