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bacteria:t3e:xopae

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bacteria:t3e:xopae [2025/03/10 10:12] – [Biological function] rkoebnikbacteria:t3e:xopae [2025/03/10 10:23] (current) – [The Type III Effector XopAE from //Xanthomonas//] rkoebnik
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 Author: [[https://www.researchgate.net/profile/Guido_Sessa|Guido Sessa]]\\ Author: [[https://www.researchgate.net/profile/Guido_Sessa|Guido Sessa]]\\
-Internal reviewer: [[https://www.researchgate.net/profile/David_Studholme|David J. Studholme]]\\ +Internal reviewers: [[https://www.researchgate.net/profile/David_Studholme|David J. Studholme]], [[https://www.researchgate.net/profile/Ralf-Koebnik|Ralf Koebnik]]\\ 
-Expert reviewer: [[https://www.researchgate.net/profile/Laurent_Noel|Laurent D. Noël]]\\+Expert reviewer: [[https://www.researchgate.net/profile/Laurent_Noel|Laurent D. Noël]]
  
 Class: XopAE\\ Class: XopAE\\
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 GenBank ID: [[https://www.ncbi.nlm.nih.gov/protein/AAL78290.1|AAL78290.1]] (197 aa) / [[https://www.ncbi.nlm.nih.gov/protein/AAL78291.1|AAL78291.1]] (432 aa)\\ GenBank ID: [[https://www.ncbi.nlm.nih.gov/protein/AAL78290.1|AAL78290.1]] (197 aa) / [[https://www.ncbi.nlm.nih.gov/protein/AAL78291.1|AAL78291.1]] (432 aa)\\
 RefSeq ID: [[https://www.ncbi.nlm.nih.gov/protein/WP_011050288.1|WP_011050288.1]] (547 aa)\\ RefSeq ID: [[https://www.ncbi.nlm.nih.gov/protein/WP_011050288.1|WP_011050288.1]] (547 aa)\\
-Synonyms: XopAE was also referred to as HpaF (Kim //et al.//, 2003; Sugio //et al.//, 2005). In //Xcv// strain 85-10, the gene is bipartite and the two parts were first coined //hpaF// and //hpaG// (Noël //et al.//, 2002). Be careful: //hpaG// was also used in other Xanthomonas to designate the homolog of //hpa1// (//X. campestris//, //X. oryzae//) and //xopA// (//Xcv// 85-10) (Kim //et al.//, 2003).\\ +Synonyms: XopAE was also referred to as HpaF (Kim //et al.//, 2003; Sugio //et al.//, 2005). In //Xee// strain 85-10, the gene is bipartite and the two parts were first coined //hpaF// and //hpaG// (Noël //et al.//, 2002). Be careful: //hpaG// was also used in other //Xanthomonas// to designate the homolog of //hpa1// (//X. campestris//, //X. oryzae//) and //xopA// (//Xcv// 85-10) (Kim //et al.//, 2003).\\ 
-3D structure: Most XopAE possesses a N-terminal leucine-rich repeat (LRR) domain and a C-terminal XL box motif with an E3 ubiquitin ligase fold, based on homology modelling (Popov //et al//., 2018). Predicted fold of XopAE C terminus is similar to that of XopL (Popov //et al//., 2018).+3D structure: Most XopAE possesses a N-terminal leucine-rich repeat (LRR) domain and a C-terminal XL box motif with an E3 ubiquitin ligase fold, based on homology modelling (Popov //et al.//., 2018). Predicted fold of XopAE C terminus is similar to that of XopL (Popov //et al.//, 2018).
  
 ===== The locus ===== ===== The locus =====
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 === Phenotypes === === Phenotypes ===
  
-XopAE<sub>85-10</sub> is a suppressor of PTI that was shown to inhibit flg22-mediated signaling in //Arabidopsis// and tomato protoplasts, downstream or in parallel to the activation of the MPK3 and MPK6 MAP kinases. //Pseudomonas syringae//-mediated delivery of XopAE<sub>85-10</sub> in plants inhibits PTI-associated callose deposition at the cell wall and enhances disease symptoms in tomato (Popov //et al.//, 2016). Later, XopAE<sub>//Xpm// </sub> was confirmed to suppress basal defenses such as callose deposition and the production of reactive oxygen species.+XopAE<sub>//Xee//85-10</sub> is a suppressor of PTI that was shown to inhibit flg22-mediated signaling in //Arabidopsis// and tomato protoplasts, downstream or in parallel to the activation of the MPK3 and MPK6 MAP kinases. //Pseudomonas syringae//-mediated delivery of XopAE<sub>//Xee//85-10</sub> in plants inhibits PTI-associated callose deposition at the cell wall and enhances disease symptoms in tomato (Popov //et al.//, 2016). Later, XopAE<sub>//Xpm// </sub> was confirmed to suppress basal defenses such as callose deposition and the production of reactive oxygen species (Gomez De la Cruz //et al.//, 2025).
 === Localization === === Localization ===
  
-XopAE<sub>//Xee//85-10</sub>-YFP fusion protein localizes to the cytoplasm and nucleus of //Nicotiana benthamiana// leaf epidermal cells (Popov //et al.//, 2016).+XopAE<sub>//Xee//85-10</sub>-YFP fusion protein localizes to the cytoplasm and nucleus of //Nicotiana benthamiana// leaf epidermal cells (Popov //et al.//, 2016). XopAE<sub>//Xpm// </sub> localizes to the nucleus and in scattered points throughout the cell border, while Mep23-1 shows a nucleocytoplasmic localization. Upon interaction, XopAE//<sub>Xpm</sub> // hijacks Mep23-1 to the scattered points throughout the cell border and they also interact in nucleus (Gomez De la Cruz //et al.//, 2025).
 === Enzymatic function === === Enzymatic function ===
  
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 === Interaction partners === === Interaction partners ===
  
-Unknown.+XopAE<sub>//Xpm// </sub> targets a small heat shock protein (Mep23-1 cochaperone) in cassava and its homolog Atp23-1 in //Arabidopsis// (Gomez De la Cruz //et al.//, 2025).
  
 ===== Conservation ===== ===== Conservation =====
bacteria/t3e/xopae.1741601529.txt.gz · Last modified: 2025/03/10 10:12 by rkoebnik

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