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bacteria:t3e:xopx [2024/08/06 15:24] – rkoebnik | bacteria:t3e:xopx [2025/02/13 15:54] (current) – [The Type III Effector XopX from //Xanthomonas//] rkoebnik | ||
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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 === | ||
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=== 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 | + | * 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// | + | *XopX is required for full virulence in // |
- | * | + | * When expressed in // |
- | < | + | * When transiently expressed in //N. benthamiana// by //Agrobacterium tumefaciens// |
- | * When expressed in // | + | * A ∆//xopX// mutant strain of // |
- | * When transiently expressed in //N. benthamiana by Agrobacterium tumefaciens// | + | * // |
- | * //A ∆xopX// | + | * A screen for // |
- | * // | + | *(ACD57163) is one among the five classes of virulence genes found to be upregulated in the // |
- | * A screen for // | + | *The //xopX// gene contributes to the virulence of // |
- | < | + | *A // |
- | * | + | |
- | < | + | |
- | < | + | |
- | < | + | |
- | * | + | |
- | < | + | |
- | * | + | |
- | < | + | |
- | < | + | |
- | < | + | |
=== Localization === | === Localization === | ||
- | // | + | // |
=== Enzymatic function === | === Enzymatic function === | ||
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* 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). | ||
- | * | + | *The // |
- | < | + | *Yeast two-hybrid, bimolecular fluorescence complementation (BiFC) and co-IP assays indicate that the // |
- | * | + | |
- | < | + | |
===== Conservation ===== | ===== Conservation ===== | ||
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**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 | + | 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 // | ||
+ | |||
+ | Stork W, Kim JG, Mudgett MB (2015). Functional analysis of plant defense suppression and activation by the // | ||
- | 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 // | + | ===== 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). |