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| bacteria:t3e:xopx [2024/08/06 15:11] – old revision restored (2024/08/06 15:06) rkoebnik | bacteria:t3e:xopx [2025/07/24 22:54] (current) – jfpothier | ||
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| Author: [[https:// | Author: [[https:// | ||
| - | Internal reviewer: Coline Sciallano\\ | + | Internal reviewer:  | 
| - | Expert reviewer: Ramesh V. Sonti | + | Expert reviewer:  | 
| Class: XopX\\ | Class: XopX\\ | ||
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| === How discovered? === | === How discovered? === | ||
| - | XopX was discovered through the screening of a genomic cosmid library of //X. euvesicatoria// | + | XopX was discovered through the screening of a genomic cosmid library of //X. euvesicatoria// | 
| === (Experimental) evidence for being a T3E === | === (Experimental) evidence for being a T3E === | ||
| Translational fusions of XopX with the calmodulin-dependent adenylate cyclase domain of // | Translational fusions of XopX with the calmodulin-dependent adenylate cyclase domain of // | ||
| + | |||
| === Regulation === | === Regulation === | ||
| - | qRT-PCR revealed that transcript levels of 15 out of 18 tested non-TAL effector genes (as well as the regulatory genes //hrpG// and //hrpX//), including //xopX//, were significantly reduced in the // | + | qRT-PCR revealed that transcript levels of 15 out of 18 tested non-TAL effector genes (as well as the regulatory genes //hrpG// and //hrpX//), including //xopX//, were significantly reduced in the // | 
| === Phenotypes === | === Phenotypes === | ||
| * XopX was demonstrated to be cytotoxic when expressed in yeast, suggesting it may target a conserved eukaryotic cell process required for cell viability (Salomon //et al//., 2011). | * XopX was demonstrated to be cytotoxic when expressed in yeast, suggesting it may target a conserved eukaryotic cell process required for cell viability (Salomon //et al//., 2011). | ||
| - |   * During infection of rice <font 10.5pt/ | + |   * During infection of rice (//Oryza sativa//) with // | 
| - |   * XopX is required for the development of //X. euvesicatoria// | + |   * XopX is required for the development of //X. euvesicatoria// | 
| - |   * <font 10.5pt/ | + |   *XopX is required for full virulence in // | 
| - |   * When expressed in // | + |   * When expressed in // | 
| - |   * When transiently expressed in //N. benthamiana by Agrobacterium tumefaciens// | + |   * When transiently expressed in //N. benthamiana// by //Agrobacterium tumefaciens// | 
| - |   * //A ∆xopX//  | + |   * A ∆//xopX// mutant strain of // | 
| - |   * // | + |   * // | 
| - |   * A screen for // | + |   * A screen for // | 
| - |   * <font 10.5pt/ | + |   *(ACD57163) is one among the five classes of virulence genes found to be upregulated in the // | 
| - |   * <font 10.5pt/ | + |   *The //xopX// gene contributes to the virulence of // | 
| - |   * <font 10.5pt/ | + |   *A // | 
| === Localization === | === Localization === | ||
| - | // | + | // | 
| === Enzymatic function === | === Enzymatic function === | ||
| Line 49: | Line 52: | ||
| * It has been suggested that XopX-triggering of plant cell death response was dependent on another cofactor delivered by the T3SS, yet still unknown (Metz //et al.//, 2005). | * It has been suggested that XopX-triggering of plant cell death response was dependent on another cofactor delivered by the T3SS, yet still unknown (Metz //et al.//, 2005). | ||
| - |   * <font 10.5pt/ | + |   *The // | 
| - |   * <font 10.5pt/ | + |   *Yeast two-hybrid, bimolecular fluorescence complementation (BiFC) and co-IP assays indicate that the // | 
| - | === Conservation === | + | ===== Conservation  | 
| **In xanthomonads** | **In xanthomonads** | ||
| - | Yes, xopX homologs can be found in almost every sequenced // | + | Yes, xopX homologs can be found in almost every sequenced // | 
| **In other plant pathogens/ | **In other plant pathogens/ | ||
| - | Related proteins (query cover > 80% and percent identity > 50 %) can be detected in several unclassified Burkholderiales (// | + | Related proteins (query cover > 80% and percent identity > 50 %) can be detected in several unclassified Burkholderiales (// | 
| - | === References === | + | ===== References  | 
| - | Deb S, Ghosh P, Patel HK, Sonti RV (2020). Interaction of the Xanthomonas effectors XopQ and XopX results in induction of rice immune responses. Plant J. 104: 332-350<font 10.5pt/ | + | Deb S, Ghosh P, Patel HK, Sonti RV (2020). Interaction of the Xanthomonas effectors XopQ and XopX results in induction of rice immune responses. Plant J. 104: 332-350. DOI: [[https:// | 
| - | Li S, Wang Y, Wang S, Fang A, Wang J, Liu L, Zhang K, Mao Y, Sun W (2015). The type III effector AvrBs2 in // | + | Li S, Wang Y, Wang S, Fang A, Wang J, Liu L, Zhang K, Mao Y, Sun W (2015). The type III effector AvrBs2 in // | 
| - | Liu Y, Long J, Shen D, Song C (2016). //Xanthomonas oryzae  | + | Lindeberg M, Cunnac S, Collmer A (2012). //Pseudomonas syringae// type III effector repertoires: | 
| - | Medina CA, Reyes PA, Trujillo CA, Gonzalez JL, Bejarano DA, Montenegro NA, Jacobs JM, Joe A, Restrepo S, Alfano JR, Bernal A (2018). The role of type III effectors from // | + | Liu Y, Long J, Shen D, Song C (2016). // | 
| - | Metz M, Dahlbeck D, Morales CQ, Sady BA, Clark ET, Staskawicz BJ (2005). The conserved// Xanthomonas campestris//  | + | Medina CA, Reyes PA, Trujillo CA, Gonzalez JL, Bejarano DA, Montenegro NA, Jacobs JM, Joe A, Restrepo S, Alfano JR, Bernal A (2018). The role of type III effectors from // | 
| + | |||
| + | Metz M, Dahlbeck D, Morales CQ, Sady BA, Clark ET, Staskawicz BJ (2005). The conserved // | ||
| Mutka AM, Fentress SJ, Sher JW, Berry JC, Pretz C, Nusinow DA, Bart R (2016). Quantitative, | Mutka AM, Fentress SJ, Sher JW, Berry JC, Pretz C, Nusinow DA, Bart R (2016). Quantitative, | ||
| - | Salomon D, Dar D, Sreeramulu S, Sessa G (2011). Expression of // | + | Salomon D, Dar D, Sreeramulu S, Sessa G (2011). Expression of // | 
| + | |||
| + | Sinha D, Gupta MK, Patel HK, Ranjan A, Sonti RV (2013). Cell wall degrading enzyme induced rice innate immune responses are suppressed by the type 3 secretion system effectors XopN, XopQ, XopX and XopZ of // | ||
| + | |||
| + | Soto-Suárez M, Bernal D, González C, Szurek B, Guyot R, Tohme J, Verdier V. //In planta// gene expression analysis of // | ||
| - | Sinha D, Gupta MK, Patel HK, Ranjan A, Sonti RV (2013). Cell wall degrading enzyme induced rice innate immune responses are suppressed  | + | Stork W, Kim JG, Mudgett MB (2015). Functional analysis of plant defense suppression and activation  | 
| - | <font 10.5pt/ | + | ===== Acknowledgements ===== | 
| - | Stork W, Kim JG, Mudgett MB (2015). Functional analysis of plant defense suppression and activation by the Xanthomonas core type III effector XopX. Mol. Plant. Microbe Interact. 28: 180-194. DOI: [[https:// | + | This fact sheet is based upon work from COST Action CA16107 EuroXanth, supported by COST (European Cooperation in Science and Technology). |