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Table 1 List of the T3E genes currently identified in the R. solanacearum species complex and proposal for a unified nomenclature

From: Repertoire, unified nomenclature and evolution of the Type III effector gene set in the Ralstonia solanacearum species complex

Proposed T3E family name

Representative gene member

Former/other name

Hop/Xop homolo-gues

Functional domain/motif or Function

Evidence for T3SS-dependent secretion or translocation

RipA1

RSc2139

AWR1

  

RipA1 [23]

RipA2

RSp0099

RipA, Rip29, Hpx31, AWR2

  

RipA [5], Rip29 [6]

RipA3

RSp0846

Rip44, Hpx32, AWR3

  

Rip44 [6]

RipA4

RSp0847

Rip45, Hpx4, AWR4

  

Rip45 [6]

RipA5

RSp1024

Rip56, Hpx10, AWR5

  

Rip56 [6]

RipB

Rsc0245

RipB, Rip2, Hpx11

HopQ/XopQ

Nucleoside N-ribohydrolase

RipB [5], Rip2 [6]

RipC1

RSp1239

Rip62

XopC

 

Rip62 [6]

RipC2

CFBP2957 RCFBP_mp20032

 

XopC

  

RipD

RSp0304

Rip34, Hpx25, Brg8

HopD/XopB

 

Rip34 [6]

RipE1

RSc3369

Rip26, Brg9

HopX/XopE

 

Rip26 [6]

RipE2

CFBP2957 RCFBP_mp10565

 

HopX/XopE

  

RipF1

RSp1555

PopF1, PopF2, Rip70

 

T3SS translocator

RipF1 [6], PopF1 [35]

RipF2

CFBP2957 RCFBP_mp30453

  

T3SS translocator

 

RipG1

RSp0914

Gala1, Rip53

 

F-box Leucine-Rich Repeats

Rip53 [6]

RipG2

RSp0672

Gala2, Rip37, Hpx20

 

F-box LRR protein

Rip37 [6]

RipG3

RSp0023

Gala3, Rip28

 

F-box LRR protein

Rip28 [6]

RipG4

RSc1800

Gala4, Rip17, Hpx15

 

F-box LRR protein

Rip17 [6]

RipG5

RSc1801

Gala5, Rip18, Hpx16

 

F-box LRR protein

Rip18 [6]

RipG6

RSc1356

RipG, Gala6, Rip13, Hpx13

 

F-box LRR protein

RipG [5], Rip13 [6]

RipG7

RSc1357

Gala7, Rip14, Hpx14

 

F-box LRR protein

Gala7 [16], Rip14 [6]

RipG8

CMR15 CMR15v4_10224

Gala8

   

RipH1

RSc1386

HLK1, Rip15, Brg19

XopP

 

Rip15 [6]

RipH2

RSp0215

HLK2, Rip32

XopP

 

Rip32 [6]

RipH3

RSp0160

HLK3, Rip30, Brg18

XopP

 

Rip30 [6]

RipH4

Psi07 RPSI07_mp0161

HLK4

XopP

  

RipI

RSc0041

Rip1

  

Rip1 [6]

RipJ

RSc2132

Rip22

HopZ/XopJ

Putative acetyltransferase

Rip22 [6]

RipK

CFBP2957 RCFBP_mp10024

  

YopJ acetyltransferase domain

 

RipL

RSp0193

Rip31, Brg22

 

Pentatricopeptide Repeats

Rip31 [6]

RipM

RSc1475

Rip16, Brg42

  

Rip16 [6]

RipN

RSp1130

Rip58, Hpx26, Brg44

 

Nudix hydrolase domain

Rip58 [6]

RipO1

RSp0323

Rip35, Brg12

HopG

 

Rip35 [6]

RipO2

R. syzygii RALSY_mp30159

 

HopG

  

RipP1

RSc0826

PopP1, Rip7

HopZ/XopJ

Putative acetyltransferase

Rip7 [6], PopP1 [36]

RipP2

RSc0868

PopP2, Rip8

HopZ/XopJ

Acetyltransferase

PopP2 [5], Rip8 [6]

RipP3

UW163 [GenBank accession : CAF32358.1]

PopP3

HopZ/XopJ

Putative acetyltransferase

 

RipQ

RSp1277

Rip63, Hpx23

HopAA

 

Rip63 [6]

RipR

RSp1281

Rip64, Hpx24, Brg15, PopS

HopR

 

Rip64 [6]

RipS1

RSc3401

SKWP1, Rip27, Hpx37

XopAD

Heat/Armadillo repeat domain

Rip27 [6]

RipS2

RSp1374

SKWP2, Rip65, Hpx36

 

Heat/Armadillo repeat domain

Rip65 [6]

RipS3

RSp0930

SKWP3, Rip54

 

Heat/Armadillo repeat domain

Rip54 [6]

RipS4

RSc1839

SKWP4, Rip20, Hpx30

 

Heat/Armadillo repeat domain

Rip20 [6]

RipS5

RSp0296

SKWP5, Rip33, Hpx34

 

Heat/Armadillo repeat domain

Rip33 [6]

RipS6

RSc2130

SKWP6

 

Heat/Armadillo repeat domain

 

RipS7

Molk2 RSMK02658

SKWP7

 

Heat/Armadillo repeat domain

 

RipS8

Psi07 RSPsi07_1850

SKWP8

 

Heat/Armadillo repeat domain

 

RipT

RSc3212

RipT, Rip25

HopC

Putative cysteine protease

RipT [5], Rip25 [6]

RipU

RSp1212

Rip59

  

Rip59 [6]

RipV1

RSc1349

Rip12, Hpx29, Brg17

 

Ubiquitin ligase domain

Rip12 [6]

RipV2

Psi07 RSPsi07_1895

  

Ubiquitin ligase domain

 

RipW

RSc2775

PopW, Rip24

 

Harpin, Pectate lyase

Rip24 [6], PopW [34]

RipX

RSp0877

PopA, Rip49

 

Harpin

Rip49 [6], PopA [74]

RipY

RSc0257

Rip3, Brg23

 

Ankyrin Repeats

Rip3 [6]

RipZ

RSp1031

Rip57, Brg38

  

Rip57 [6]

RipAA

RSc0608

AvrA, Rip5, Brg46

  

AvrA [31], Rip5 [6]

RipAB

RSp0876

PopB, Rip48

  

Rip48 [6], PopB [33]

RipAC

RSp0875

PopC, Rip47

XopAE

Leucine-Rich Repeats

Rip47 [6], PopC [33]

RipAD

RSp1601

Rip72

  

Rip72 [6]

RipAE

RSc0321

Rip4

HopZ/XopJ

Putative acetyltransferase

Rip4 [6]

RipAF1

RSp0822

Rip40

HopF

PutativeADP-ribosyltransferase

Rip40 [6]

RipAF2

R. syzygii RALSY_20037

 

HopF

PutativeADP-ribosyltransferase

 

RipAG

RSc0824

Rip6

  

Rip6 [6]

RipAH

RSc0895

Rip11

  

Rip11 [6]

RipAI

RSp0838

Rip41

  

Rip41 [6]

RipAJ

RSc2101

Rip21, Hpx18

  

Rip21 [6]

RipAK

RSc2359

Rip23, Hpx28, Brg36

  

Rip23 [6]

RipAL

UW551 RRSL_02221

Rip38

 

Lipase domain

Rip38 [6]

RipAM

RSc3272

Brg40

  

This work Additional file 3

RipAN

RSp0845

Rip43, Hpx33, Brg33

  

Rip43 [6]

RipAO

RSp0879

Rip50, Hpx2, Brg34

  

Rip50 [6]

RipAP

UW551 RRSL_04655

Rip60

 

Ankyrin Repeats

Rip60 [6]

RipAQ

RSp0885

Rip51, Brg35

  

Rip51 [6]

RipAR

RSp1236

Rip61

 

Ubiquitin ligase domain

Rip61 [6]

RipAS

RSp1384

Rip66, Hpx9, Brg43

  

Rip66 [6]

RipAT

RSp1388

Rip67, Brg48

  

Rip67 [6]

RipAU

RSp1460

Rip68, Hpx8, Brg45

  

Rip68 [6]

RipAV

RSp0732

Rip39, Hpx27, Brg39

HopAV

 

Rip39 [6]

RipAW

RSp1475

Rip69

 

Ubiquitin ligase domain

Rip69 [6]

RipAX1

RSc3290

Brg13

HopH/XopG

  

RipAX2

RSp0572

Rip36, Brg14

HopH/XopG

 

Rip36 [6]

RipAY

RSp1022

Rip55, Hpx21, Brg37

  

Rip55 [6]

RipAZ1

RSp1582

Rip71

  

Rip71 [6]

RipAZ2

R. syzygii RALSY_20407

    

RipBA

RSc0227, RSp0228 [pseudogene]

 

AvrRpm1

  

RipBB

Psi07 RPSI07_mp0573

  

Ankyrin repeats

 

RipBC

CFBP2957 RCFBP_mp30170

  

YopJ acetyltransferase domain & Ankyrin Repeats

 

RipBD

R. syzygii RALSY_20184

 

HopAF

  

RipBE

RS1000 Rip10

Rip10

XopAR

 

Rip10 [6]

RipBF

Psi07 RPSI07_2863

 

HopV

  

RipBG

Molk2 RSMK00763

 

HopAB

Ubiquitin ligase domain

 

RipBH

Psi07 RPSI07_mp1715

  

Shigella flexneri OspD family

 

RipBI

CFBP2957 RCFBP_mp30113

 

XopX

  

RipTAL1

RSc1815

Rip19, Hpx17, Brg11

TAL

Putative transcription factor

Rip19 [6]

RipTPS

RSp0731

  

Trehalose-phosphate synthase

Manuscript in preparation

  1. A representative gene member for each family is provided (gene nomenclature from strain GMI1000 unless otherwise stated) with other names published in the literature. Homologues T3E from Pseudomonas syringae sp. (Hop) or Xanthomonas sp. (Xop) are indicated. The last column lists T3E for which Type 3 secretion system-dependent secretion or translocation was experimentally demonstrated.