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plant:pepper [2025/04/07 11:28] – [Resistance gene: //Bs4//] rkoebnikplant:pepper [2025/07/05 14:36] (current) – jfpothier
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 Author: [[https://www.researchgate.net/profile/Dorota_Tekielska|Dorota Tekielska]]\\ Author: [[https://www.researchgate.net/profile/Dorota_Tekielska|Dorota Tekielska]]\\
-Internal reviewer: [[https://www.genetik.uni-hannover.de/boch.html|Jens Boch]]+Internal reviewer: [[https://www.genetik.uni-hannover.de/boch.html|Jens Boch]]\\
  
 ===== Pathogen: //Xanthomonas euvesicatoria// ===== ===== Pathogen: //Xanthomonas euvesicatoria// =====
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 //NA// //NA//
 +
 === Source === === Source ===
  
 //Capsicum annuum// PI163192 (Cook & Guevara, 1984). //Capsicum annuum// PI163192 (Cook & Guevara, 1984).
 +
 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
 Identified. //Bs1// was backcrossed over 7 generations into the commercial pepper cultivar Early Calwonder (ECW) to produce a near-isogenic pepper cultigen (ECW10R) for identification of race 1 and race 2 pathogenic strains (Stall //et al//., 2009). The three resistance genes //Bs1//, //Bs2//, and //Bs3// were transferred to a single plant of ECW and designated ECW123. Identified. //Bs1// was backcrossed over 7 generations into the commercial pepper cultivar Early Calwonder (ECW) to produce a near-isogenic pepper cultigen (ECW10R) for identification of race 1 and race 2 pathogenic strains (Stall //et al//., 2009). The three resistance genes //Bs1//, //Bs2//, and //Bs3// were transferred to a single plant of ECW and designated ECW123.
 +
 === Molecular markers === === Molecular markers ===
  
 //NA// //NA//
 +
 === Brief description === === Brief description ===
  
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 //NA// //NA//
 +
 === Source === === Source ===
  
 //Capsicum chacoense// (Cook & Stall, 1963). //Capsicum chacoense// (Cook & Stall, 1963).
 +
 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
 //Bs2// was the first cloned and sequenced resistance gene in pepper (Tai //et al.//, 1999). //Bs2// was backcrossed over 7 generations into the commercial pepper cultivar Early Calwonder (ECW) to produce a near-isogenic pepper cultigen (ECW20R) (Stall //et al//., 2009). The three resistance genes //Bs1//, //Bs2//, and //Bs3// were transferred to a single plant of ECW and designated ECW123. //Bs2// was the first cloned and sequenced resistance gene in pepper (Tai //et al.//, 1999). //Bs2// was backcrossed over 7 generations into the commercial pepper cultivar Early Calwonder (ECW) to produce a near-isogenic pepper cultigen (ECW20R) (Stall //et al//., 2009). The three resistance genes //Bs1//, //Bs2//, and //Bs3// were transferred to a single plant of ECW and designated ECW123.
 +
 === Molecular markers === === Molecular markers ===
  
 Markers for breeding of //Bs2// in pepper have been established (Truong //et al//., 2011). An overview of markers for different disease resistances in pepper has been published (Barka & Lee, 2020). Markers for breeding of //Bs2// in pepper have been established (Truong //et al//., 2011). An overview of markers for different disease resistances in pepper has been published (Barka & Lee, 2020).
 +
 === Brief description === === Brief description ===
  
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 //NA// //NA//
 +
 === Source === === Source ===
  
 //Capsicum annuum// PI271322 (Kim & Hartmann, 1985). //Capsicum annuum// PI271322 (Kim & Hartmann, 1985).
 +
 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
 Cloned and sequenced (Roemer //et al//., 2007). A near-isogenic line containing the //Bs3// (ECW30R) (Stall //et al//., 2009). The three resistance genes //Bs1//, //Bs2//, and //Bs3// were transferred to a single plant of ECW and designated ECW123. Cloned and sequenced (Roemer //et al//., 2007). A near-isogenic line containing the //Bs3// (ECW30R) (Stall //et al//., 2009). The three resistance genes //Bs1//, //Bs2//, and //Bs3// were transferred to a single plant of ECW and designated ECW123.
 +
 === Molecular markers === === Molecular markers ===
  
 //NA// //NA//
 +
 === Brief description === === Brief description ===
  
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 //NA// //NA//
 +
 === Source === === Source ===
  
 //Capsicum pubescens// PI235047 (Stall //et al//., 2009). //Capsicum pubescens// PI235047 (Stall //et al//., 2009).
 +
 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
 Identified in pepper, cloned and sequenced from tomato (//Bs4//: Schornack //et al//., 2004) and pepper (//Bs4C//; Strauß //et al.//, 2012). Identified in pepper, cloned and sequenced from tomato (//Bs4//: Schornack //et al//., 2004) and pepper (//Bs4C//; Strauß //et al.//, 2012).
 +
 === Molecular markers === === Molecular markers ===
  
 //NA// //NA//
 +
 === Brief description === === Brief description ===
  
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 //NA// //NA//
 +
 === Source === === Source ===
  
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 Identified. //bs5// has been transferred to the pepper cultivar ECW, backcrossed, and designated ECW50R. //bs5// was delimited to a ~535-kb interval on chromosome 3 and 14 candidate resistance genes for //bs5// were identified based on predicted protein coding polymorphisms between ECW and the corresponding resistant parent (Sharma //et al.//, 2023). Cloned and sequenced (Szabo //et al.//, 2023). Identified. //bs5// has been transferred to the pepper cultivar ECW, backcrossed, and designated ECW50R. //bs5// was delimited to a ~535-kb interval on chromosome 3 and 14 candidate resistance genes for //bs5// were identified based on predicted protein coding polymorphisms between ECW and the corresponding resistant parent (Sharma //et al.//, 2023). Cloned and sequenced (Szabo //et al.//, 2023).
 +
 === Molecular markers === === Molecular markers ===
  
 AFLP and CAPS markers are available (Vallejos //et al//., 2010; Sharma //et al.//, 2023; Szabo //et al.//, 2023). AFLP and CAPS markers are available (Vallejos //et al//., 2010; Sharma //et al.//, 2023; Szabo //et al.//, 2023).
 +
 === Brief description === === Brief description ===
  
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 //NA// //NA//
 +
 === Source === === Source ===
  
 //Capsicum annuum// ECW12346 (Jones //et al//., 2002; Vallejos //et al//., 2010). //Capsicum annuum// ECW12346 (Jones //et al//., 2002; Vallejos //et al//., 2010).
 +
 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
-Identified. //bs6// has been transferred to the pepper cultivar ECW, backcrossed, and designated ECW60R. //bs6// was delimited to a ~666-kb interval on chromosome 6 and 8 candidate resistance genes for //bs6// were identified based on predicted protein coding polymorphisms between ECW and the corresponding resistant parent (Sharma //et al.//, 2023).+Identified. //bs6// has been transferred to the pepper cultivar ECW, backcrossed, and designated ECW60R. //bs6// was delimited to a ~666-kb interval on chromosome 6 and eight candidate resistance genes for //bs6// were identified based on predicted protein coding polymorphisms between ECW and the corresponding resistant parent (Sharma //et al.//, 2023). 
 === Molecular markers === === Molecular markers ===
  
 CAPS markers are available (Sharma //et al.//, 2023). CAPS markers are available (Sharma //et al.//, 2023).
 +
 === Brief description === === Brief description ===
  
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 //NA// //NA//
 +
 === Source === === Source ===
  
 //Capsicum pubescens// PI235047A. //Capsicum pubescens// PI235047A.
 +
 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
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 //NA// //NA//
 +
 === Brief description === === Brief description ===
  
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 //NA// //NA//
 +
 === Source === === Source ===
  
 //Capsicum baccatum// var. //pendulum// (Potnis //et al//., 2012). //Capsicum baccatum// var. //pendulum// (Potnis //et al//., 2012).
 +
 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
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 //NA// //NA//
 +
 === Brief description === === Brief description ===
  
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 //NA// //NA//
 +
 === Source === === Source ===
  
 //Capsicum annuum// accession PI 163192 (Sharma //et al//., 2022). //Capsicum annuum// accession PI 163192 (Sharma //et al//., 2022).
 +
 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
 Mapped to a 2.3 Mb interval on the sub-telomeric region of chromosome 11 (Sharma //et al//., 2022). //bs8// has been transferred to the pepper cultivar ECW, backcrossed, and designated ECW80R. Mapped to a 2.3 Mb interval on the sub-telomeric region of chromosome 11 (Sharma //et al//., 2022). //bs8// has been transferred to the pepper cultivar ECW, backcrossed, and designated ECW80R.
 +
 === Molecular markers === === Molecular markers ===
  
 Markers from mapping population (Sharma //et al//., 2022) Markers from mapping population (Sharma //et al//., 2022)
 +
 === Brief description === === Brief description ===
  
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 Römer P, Hahn S, Jordan T, Strauss T, Bonas U, Lahaye T (2007). Plant pathogen recognition mediated by promoter activation of the pepper //Bs3// resistance gene. Science 318: 645-648. DOI: [[https://doi.org/10.1126/science.1144958|10.1126/science.1144958]] Römer P, Hahn S, Jordan T, Strauss T, Bonas U, Lahaye T (2007). Plant pathogen recognition mediated by promoter activation of the pepper //Bs3// resistance gene. Science 318: 645-648. DOI: [[https://doi.org/10.1126/science.1144958|10.1126/science.1144958]]
 +
 +Schornack S, Ballvora A, Gürlebeck D, Peart J, Baulcombe D, Ganal M, Baker B, Bonas U, Lahaye T (2004). The tomato resistance protein Bs4 is a predicted non-nuclear TIR-NB-LRR protein that mediates defense responses to severely truncated derivatives of AvrBs4 and overexpressed AvrBs3. Plant J. 37: 46-60. DOI: [[https://doi.org/10.1046/j.1365-313x.2003.01937.x|10.1046/j.1365-313x.2003.01937.x]]
  
 Sharma A, Minsavage GV, Gill U, Hutton S, Jones JB (2022). Identification and mapping of //bs8//, a novel locus conferring resistance to bacterial spot caused by //Xanthomonas gardneri//. Phytopathology 112: 1640-1650. DOI: [[https://doi.org/10.1094/PHYTO-08-21-0339-R|10.1094/PHYTO-08-21-0339-R]] Sharma A, Minsavage GV, Gill U, Hutton S, Jones JB (2022). Identification and mapping of //bs8//, a novel locus conferring resistance to bacterial spot caused by //Xanthomonas gardneri//. Phytopathology 112: 1640-1650. DOI: [[https://doi.org/10.1094/PHYTO-08-21-0339-R|10.1094/PHYTO-08-21-0339-R]]
plant/pepper.1744021697.txt.gz · Last modified: 2025/04/07 11:28 by rkoebnik

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