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--- plant:strawberry [2020/02/26 11:29] – jfpothier
+++ plant:strawberry [2026/05/18 17:02] (current) – [Further reading] rkoebnik
@@ Line 1: / Line 1: @@
-====== Strawberry (F. vesca, F. ananassa) ======
+====== Plant Resistance Genes in Strawberry (//Fragaria vesca// L., //F. ananassa//) against //Xanthomonas// Infection ======
-Author: Joël F. Pothier
+Author: [[https://www.researchgate.net/profile/Inga_Morocko-Bicevska2|Inga Moročko-Bičevska]] & [[https://www.researchgate.net/profile/Joel_Pothier2|Joël F Pothier]]\\
+Internal reviewer: [[https://www.researchgate.net/profile/Giusy_Dattoma|Giusy D'Attoma]]
-Reviewer: XX
+===== Pathogen: //Xanthomonas fragariae// =====
-===== Pathogen: Xanthomonas fragariae =====
+==== Resistance gene: FaRXf1 ====
-==== Resistance gene: QTL FaRXf1 ====
+=== Synonyms ===
-//Synonyms://
+FaRGA3 (Kim //et al.//, 2025)
+=== Source ===
-//Source://
+Wild accessions US4808 (native //Fragaria virginiana// clone SG-89 from Minesota) and US4809 (hybrid between //F. virginiana// clone SG-26 from Georgia and //F. x ananassa// ‘Earliglow’) (Maas //et al.//, 2002; Hartung //et al.//, 2003; Roach //et al.//, 2016).
+=== Status (identified, mapped, cloned, sequenced) ===
-//Status (identified, mapped, cloned, sequenced)://
+QTL mapped on linkage group 6D (Roach //et al.//, 2016).
+=== Molecular markers ===
-//Molecular markers://
+SNPs (Roach //et al.//, 2016).
+=== Brief description ===
-//Brief description://
+Accessions US4808 and US4809 were identified as resistant to the four genetic clades of //X. fragariae// (Maas //et al.//, 2002; Hartung //et al.//, 2003). Introgression of the trait into commercial quality perennial-type germplasm was initiated by Roach //et al.// (2016). Resistance detected in two wild accessions US4808 and US4809 was found to be highly heritable and controlled by a major locus //FaRXf1// on linkage group 6D (Roach //et al.//, 2016). Annotation of the //FaRXf1// region in //F. vesca// genome revealed the presence of several resistance-associated genes, including nucleotide-binding leucine-rich repeat (NB-LRRs), zinc finger and serine/threonine-protein kinase genes (Roach //et al.//, 2016). Allelic diversity at the //FaRXf1// locus is unknown. Later, the //RXf1// region was further narrowed and structural variations within this locus were identified, which pointed to //FaRGA3// as a promising candidate gene (Kim //et al.//, 2025).
-//References://
+----
-===== Pathogen: Xanthomonas arboricola pv. fragariae =====
-==== Resistance gene: not known ====
+===== Pathogen: //Xanthomonas arboricola// pv. //fragariae// =====
-//Synonyms://
+==== Resistance gene: **none** ====
-//Source://
+=== Synonyms ===
-//Status (identified, mapped, cloned, sequenced)://
+//NA//
+=== Source ===
-//Molecular markers://
+//NA//
+=== Status (identified, mapped, cloned, sequenced) ===
-//Brief description://
+//NA//
+=== Molecular markers ===
-//References://
+//NA//
+=== Brief description ===
+//NA//
+----
+===== References =====
+Hartung JS, Gouin CC, Lewers KS, Maas JL, Hokanson S (2003). Identification of sources of resistance to bacterial angular leafspot disease of strawberry. Acta Hort. 626: 155-159. DOI: [[https://doi.org/10.17660/ActaHortic.2003.626.20|10.17660/ActaHortic.2003.626.20]]
+Kim JH, Whitaker VM, Lee S (2025). A haplotype-phased genome characterizes the genomic architecture and causal variants for //RXf1// conferring resistance to //Xanthomonas// //fragariae// in strawberry (//F//. × //ananassa//). BMC Genomics 26: 453. DOI: [[https://doi.org/10.1186/s12864-025-11517-w|10.1186/s12864-025-11517-w]]
+Maas JL, Gouin CC, Hokanson SC, Hartung JS (2002). Strawberry parent clones US 4808 and US 4809 resistant to bacterial angular leafspot disease caused by //Xanthomonas fragariae//. HortScience 37: 716-717. DOI: [[https://doi.org/10.21273/HORTSCI.37.4.716|10.21273/HORTSCI.37.4.716]]
+Roach JA, Verma S, Peres NA, Jamieson AR, van de Weg WE, Bink MCAM, Bassil NV, Lee S, Whitaker VM (2016). //FaRXf1//: a locus conferring resistance to angular leaf spot caused by //Xanthomonas fragariae// in octoploid strawberry. Theor. Appl. Genet. 129: 1191-1201. DOI: [[https://doi.org/10.1007/s00122-016-2695-1|10.1007/s00122-016-2695-1]]
+----
+===== Further reading =====
+Torgeman S, Pincot DDA, Bjornson M, Famula RA, Skillin P, Krill-Brown A, Feldmann MJ (2026). Genetic architecture of angular leaf spot resistance in cultivated strawberry shaped by epistasis and genotype-by-environment interactions. Plant Genome 19: e70246. DOI: [[https://doi.org/10.1002/tpg2.70246|10.1002/tpg2.70246]]
+----
+===== Acknowledgements =====
+This fact sheet is based upon work from COST Action CA16107 EuroXanth, supported by COST (European Cooperation in Science and Technology).

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