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--- bacteria:t3e:xopaj [2022/06/22 13:58]
rkoebnik [References]
+++ bacteria:t3e:xopaj [2022/06/22 14:01] (current)
rkoebnik [Biological function]
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+====== XopAJ ======
+Authors: [[https://www.researchgate.net/profile/Ralf_Koebnik|Ralf Koebnik]] & Trainees from the 2<sup>nd</sup>  EuroXanth Training School ([[https://www.researchgate.net/profile/Daiva_Burokiene|Daiva Burokienė]], [[https://www.researchgate.net/profile/ermic_Edyta|Edyta Đermić]], [[https://www.researchgate.net/profile/Dagmar_Stehlikova|Dagmar Stehlikova]], [[https://www.researchgate.net/profile/Mariya_Stoyanova|Mariya Stoyanova]])\\
+Internal reviewer: [[https://www.researchgate.net/profile/Joel_Pothier2|Joël F. Pothier]]\\
+Expert reviewer: [[https://www.researchgate.net/profile/Lindsay_Triplett|Lindsay Triplett]]
+Class: XopAJ\\
+Family: XopAJ\\
+Prototype: XopAJ (//Xanthomonas oryzae// pv. //oryzicola//; strain BLS256)\\
+RefSeq ID: [[https://www.ncbi.nlm.nih.gov/protein/WP_014504815.1|WP_014504815.1 ]] (obsolete version suggested to be replaced by [[https://www.ncbi.nlm.nih.gov/protein/WP_153816726.1|WP_153816726.1]]) (421 aa)\\
+Synonym: AvrRxo1\\
+D structure: [[https://www.rcsb.org/structure/4Z8Q|4Z8Q]], [[https://www.rcsb.org/structure/4Z8T|4Z8T]], [[https://www.rcsb.org/structure/4Z8U|4Z8U]], [[https://www.rcsb.org/structure/4Z8V|4Z8V]] (Han //et al.//, 2015)
 ====== XopAJ ======
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 AvrRxo1 interacts with the //Arabidopsis thaliana//  ubiquitin E3 ligase SINAT4 and the cysteine protease RD21A during transient expression in //N. benthamiana. //Interaction enhanced SINAT4 activity and promoted the degradation of RD21A //in vivo, //in a manner dependent on the AvrRxo1 ATP-binding motif (Liu //et al.//, 2020).
+AvrRxo1 interacts with OsPDX1.2 in a yeast two-hybrid assay and in planta, as assessed by split YFP and coIP assays (Liu //et al.//, 2022).
+===== Conservation =====
+=== In xanthomonads ===
+Yes (e.g. //X. alfalfae//, //X. axonopodis//, //X. bromi//, //X. euvesicatoria//, //X. oryzae//, //X. translucens//).
+AvrRxo1 appears to be widely conserved in Asian strains of //Xoc//  but much less present in African strains, which implies that deployment of //Rxo1//-containing varieties may not be an appropriate breeding strategy for controlling bacterial leaf streak disease in Africa (Wonni //et al.//, 2014).
+AvrRxo1 is conserved in nearly all strains of //X. euvesicatoria//, but is incompletely distributed in other species surveyed (Triplett et al. 2016, Barak et al. 2016). Strains with inactivated //avrRxo1//  genes were frequently observed to harbor sequence insertions in the toxic //avrRxo1//  gene, while the toxin-protective //arc1//  gene remained intact (Triplett //et al.,//  2016).
+=== In other plant pathogens/symbionts ===
+Yes (//Acidovorax//  spp., //Paraburkholderia andropogonis//) (Triplett //et al.//, 2016).
+Homologs of the //avrRxo1:arc1//  operon in which the avrRxo1 homolog lacks a type III secretion signal are found in other environmental microbes, including the filamentous myxobacteria //Cystobacter fuscus//  and uncultured candidate //Saccharimonas//  and //Parcubacteria//  spp. (Triplett// et al.//  2016).
 ===== Conservation =====

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