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--- bacteria:t3e:xopj4 [2025/07/04 23:38] – jfpothier
+++ bacteria:t3e:xopj4 [2025/07/24 22:36] (current) – jfpothier
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 === Phenotypes ===
-AvrXv4 is an avirulence protein in //X. campestris// pv. //vesicatoria //strain 91-118 that induces an //XV//-dependent HR in the wild tomato relative //Lycopersicon pennellii// (Astua-Monge //et al//., 2000; Roden //et al//., 2004; Sharlach //et al//., 2013). AvrXv4-dependent HR also is elicited in //Nicotiana benthamiana// plants when they are infected with //Xanthomonas// strains expressing untagged AvrXv4 and HA-tagged AvrXv4-HA (Roden //et al//., 2004). AvrXv4 recognition by resistant plants requires a functional protease catalytic core, the domain that is conserved in all of the putative YopJ-like cysteine proteases. AvrXv4 expression in planta leads to a reduction in SUMO-modified proteins, demonstrating that AvrXv4 possesses SUMO isopeptidase activity. YopJ-like effector AvrXv4 encodes a type III SUMO protease effector that is active in the cytoplasmic compartment of plant cells (Roden //et al//., 2004).
+AvrXv4 is an avirulence protein in //X. campestris// pv. //vesicatoria// strain 91-118 that induces an //XV//-dependent HR in the wild tomato relative //Lycopersicon pennellii// (Astua-Monge //et al//., 2000; Roden //et al//., 2004; Sharlach //et al//., 2013). AvrXv4-dependent HR also is elicited in //Nicotiana benthamiana// plants when they are infected with //Xanthomonas// strains expressing untagged AvrXv4 and HA-tagged AvrXv4-HA (Roden //et al//., 2004). AvrXv4 recognition by resistant plants requires a functional protease catalytic core, the domain that is conserved in all of the putative YopJ-like cysteine proteases. AvrXv4 expression in planta leads to a reduction in SUMO-modified proteins, demonstrating that AvrXv4 possesses SUMO isopeptidase activity. YopJ-like effector AvrXv4 encodes a type III SUMO protease effector that is active in the cytoplasmic compartment of plant cells (Roden //et al//., 2004).
 //N. benthamiana// ethyl methanesulfonate (EMS) mutants deficient for XopJ4 perception were idetified as having loss of function mutations in the gene encoding the nucleotide binding, leucine rich repeat (NLR) protein NbZAR1. Silecing of a recertor-like cytoplasmic kinase family XII gene, subsequently named XOPJ4 IMMUNITY 2 (JIM2), blocks perception of XopJ4 (Schultink //et al//., 2019).
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 Sharlach M, Dahlbeck D, Liu L, Chiu J, Jiménez-Gómez JM, Kimura S, Koenig D, Maloof JN, Sinha N, Minsavage GV, Jones JB, Stall RE, Staskawicz BJ (2013). Fine genetic mapping of //RXopJ4//, a bacterial spot disease resistance locus from //Solanum pennellii// LA716. Theor. Appl. Genet. 126: 601-609. DOI: [[https://doi.org/10.1007/s00122-012-2004-6|10.1007/s00122-012-2004-6]]
-Schultink A, Qi T, Bally J, Staskawicz B (2019). Using forward genetics in //Nicotiana benthamiana //to uncover the immune signaling pathway mediating recognition of the //Xanthomonas perforans// effector XopJ4. New Phytol. 221: 1001-1009. DOI: [[https://doi.org/10.1111/nph.15411|10.1111/nph.15411]]
+Schultink A, Qi T, Bally J, Staskawicz B (2019). Using forward genetics in //Nicotiana benthamiana// to uncover the immune signaling pathway mediating recognition of the //Xanthomonas perforans// effector XopJ4. New Phytol. 221: 1001-1009. DOI: [[https://doi.org/10.1111/nph.15411|10.1111/nph.15411]]
 Timilsina S, Abrahamian P, Potnis N, Minsavage GV, White FF, Staskawicz BJ, Jones JB, Vallad GE, Goss EM (2016). Analysis of sequenced genomes of //Xanthomonas perforans// identifies candidate targets for resistance breeding in tomato. Phytopathology 106: 1097-1104. DOI: [[https://doi.org/10.1094/PHYTO-03-16-0119-FI|10.1094/PHYTO-03-16-0119-FI]]

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