Effector family | XAC | XauB | XauC | Pfam: functional/structural domain | Effectors |
---|---|---|---|---|---|
Candidate effectors common to XAC, XauB, and XAUC | |||||
AvrBs2 | XAC0076 | XAUB_16770 | XAUC_23650 | Glycerophosphoryl diester phosphodiesterase | AvrBs2 from X. campestris pv. vesicatoria [119] |
AvrBs3 | XACa0022 (pthA1) XACa0039 (pthA2) XACb0015 (pthA3) XACb0065 (pthA4) | XAUB_40130 XAUB_28490 | XAUC_22430 XAUC_24060 XAUC_09900 XAUC_43080 | Transcriptional activator, nuclear localization | PthA [17] |
XopE1 (avrXacE1, hopX, avrPphE) | XAC0286 | XAUB_37010 | XAUC_37580 | Putative transglutaminase | AvrXacE1, XopE1 from X. campestris pv. vesicatoria [120] |
XopE3 (avrXacE2, hopX, avrPphE) | XAC3224 | XAUB_14680 | XAUC_00040 | Putative transglutaminase | AvrXacE2 [121] |
XopF2 | XAC2785 Ψ | XAUB_07540 Ψ | XAUC_21000 Ψ |  | XopF2 [122] |
XopI | XAC0754 | XAUB_39080 | XAUC_07100 | F-box protein | X. campestris pv. vesicatoria[120] |
XopK | XAC3085 | XAUB_34090 | XAUC_12520 | Â | Identified in Xoo by cya assay [123] |
XopL | XAC3090 | XAUB_34130 | XAUC_02900/12488 Ψ | LRR protein | [121] |
XopQ (hopQ1) | XAC4333 | XAUB_10220 | XAUC_14670 | Inosine uridine nucleoside N-ribohydrolase | [124] |
XopR | XAC0277 | XAUB_36920 | XAUC_37490 | Â | Identified in Xoo by cya assay [123] |
XopV | XAC0601 | XAUB_23140 | XAUC_21260 | Â | Identified in Xoo by cya assay [123] |
XopX (HolPsyAE) | XAC0543 | XAUB_14760 | XAUC_20690 | Â | [125] |
XopZ (HopAS, AWR) | XAC2009 | XAUB_11532/13710 Ψ | XAUC_25915 |  | [123] |
XopAD (skwp, RSc3401) | XAC4213 | XAUB_02510 | XAUC_34870 | SKWP repeat protein | Skwp from Ralstonia [126] |
XopAI (HopO1 (HopPtoO, HopPtoS), HopAI1 (HolPtoAI)) | XAC3230 | XAUB_26830 | XAUC_23780 | ADP-ribosyltransferase | [120] |
XopAK (HopAK1 (HopPtoK, HolPtoAB)C terminal domain) | XAC3666 | XAUB_02580 | XAUC_32490 | Â | Not confirmed to be effector in Xanthomonas; homolog of effector in Pseudomonas |
HrpW (PopW) | XAC2922 | XAUB_19460 (associated with hrp cluster) | XAUC_20020 (associated with hrp cluster) | Pectate lyase, may not be T3SE | [127] |
Candidate effectors present in XAC and XauB BUT ABSENT in XauC | |||||
XopE2 (avrXacE3, avrXccE1) | XACb0011 | XAUB_31660 | - | Putative transglutaminase | XopE2 found in another C strain [120] |
XopN (hopAU1) | XAC2786 | XAUB_07520 | - | ARM/HEAT repeat | [51] |
XopP | XAC1208 | XAUB_06720 | - | Â | [124] |
XopAE (HpaF/G/PopC) | XAC0393 | XAUB_19500 | - | LRR protein | Xcv8510 [52] |
Candidate effectors present in XauB and XauC BUT ABSENT from XAC | |||||
XopB (hopD1, avrPphD1) | - | XAUB_09070/14842 Ψ | XAUC_00260 |  | [128] |
XopE4 (HopX) | - | XAUB_23330 | XAUC_31730 | Â | New class introduced |
XopJ (AvrXccB) | - | XAUB_20830 | XAUC_08850 | C55-family cysteine protease or Ser/Thr acetyltransferase | [129] |
XopAF (avrXv3, HopAF1 (HopPtoJ)) | - | XAUB_02310 | XAUC_00300 | Â | [130] |
XopAG (AvrGf1, HopG1 (HopPtoG). HolPtoW) | - | XAUB_03570 Ψ | XAUC_04910 |  | AvrGf1 [21] |
Candidate effectors present only in XauC | |||||
XopF1 (Hpa4) | - | - | XAUC_20060 Ψ |  | [124] |