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plant:tomato [2026/06/29 16:55] – [Resistance gene: //Bs2// (transgene)] rkoebnikplant:tomato [2026/06/29 17:05] (current) – [Resistance gene: //Bs4//] rkoebnik
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 Expression of the //Bs2// pepper gene confers resistance to bacterial spot disease in tomato (Tai //et al//., 1999). Transgenic //Bs2// resistance confers effective field level control of bacterial spot disease in tomato (Horvath //et al.//, 2012). Expression of the //Bs2// pepper gene confers resistance to bacterial spot disease in tomato (Tai //et al//., 1999). Transgenic //Bs2// resistance confers effective field level control of bacterial spot disease in tomato (Horvath //et al.//, 2012).
 +
 +----
 +
 ==== Resistance gene: //Bs4// ==== ==== Resistance gene: //Bs4// ====
  
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 === Source === === Source ===
  
-Tomato cultivar Moneymaker (Ballvora //et al.//, 2001).+Tomato cultivar Moneymaker (Ballvora //et al.//, 2001a).
 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
-Mapped on the short arm of tomato chromosome 5 (Ballvora //et al.//, 2001). Cloned. Sequenced.+Mapped on the short arm of tomato chromosome 5 (Ballvora //et al.//, 2001a, 2001b). Cloned and sequenced (Schornack //et al.//, 2004).
 === Molecular markers === === Molecular markers ===
  
-AFLP markers (Ballvora //et al.//, 2001).+AFLP and RFLP markers (Ballvora //et al.//, 2001a). STS markers (Ballvora //et al.//, 2001b).
 === Brief description === === Brief description ===
  
-Bs4 interacts with the TAL effector AvrBs4 (Ballvora //et al//., 2001).+Bs4 interacts with the TAL effector AvrBs4 (Ballvora //et al//., 2001a). Bs4 is a nucleotide-binding leucine-rich repeat (NB-LRR) protein (Schornack //et al.//, 2004).
  
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 === Brief description === === Brief description ===
  
-The two paralogs in tomato, //SlBs5// and //SlBs5L//, are homologs of the pepper //Cabs5// resistance gene (Ortega //et al.//, 2024). The double gene knockouts provided some resistance (fewer / milder symptoms, reduced bacterial growth) against **//X. euvesicatoria// pv. //euvesicatoria//** , **//X. euvesicatoria// pv. //perforans//** , and **//X. hortorum// pv. //gardneri//**  (Ortega //et al.//, 2024).+The two paralogs in tomato, //SlBs5// and //SlBs5L//, are homologs of the pepper //Cabs5// resistance gene (Ortega //et al.//, 2024). The double gene knockouts provided some resistance (fewer / milder symptoms, reduced bacterial growth) against **//X. euvesicatoria// pv. //euvesicatoria//**  , **//X. euvesicatoria// pv. //perforans//**  , and **//X. hortorum// pv. //gardneri//**  (Ortega //et al.//, 2024).
  
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 Astua-Monge G, Minsavage GV, Stall RE, Vallejos CE, Davis MJ, Jones JB (2000). //Xv4//-//avrxv4//: a new gene-for-gene interaction identified between //Xanthomonas campestris// pv. //vesicatoria// race T3 and the wild tomato relative //Lycopersicon pennellii//. Mol. Plant Microbe Interact. 13: 1346-1355. DOI: [[https://doi.org/10.1094/MPMI.2000.13.12.1346|10.1094/MPMI.2000.13.12.1346]] Astua-Monge G, Minsavage GV, Stall RE, Vallejos CE, Davis MJ, Jones JB (2000). //Xv4//-//avrxv4//: a new gene-for-gene interaction identified between //Xanthomonas campestris// pv. //vesicatoria// race T3 and the wild tomato relative //Lycopersicon pennellii//. Mol. Plant Microbe Interact. 13: 1346-1355. DOI: [[https://doi.org/10.1094/MPMI.2000.13.12.1346|10.1094/MPMI.2000.13.12.1346]]
 +
 +Ballvora A, Pierre M, van den Ackerveken G, Schornack S, Rossier O, Ganal M, Lahaye T, Bonas U (2001a). Genetic mapping and functional analysis of the tomato //Bs4// locus governing recognition of the //Xanthomonas campestris// pv. //vesicatoria// AvrBs4 protein. Mol. Plant Microbe Interact. 14: 629-638. DOI: [[https://doi.org/10.1094/MPMI.2001.14.5.629|10.1094/MPMI.2001.14.5.629]]
 +
 +Ballvora A, Schornack S, Baker BJ, Ganal M, Bonas U, Lahaye T (2001b). Chromosome landing at the tomato //Bs4// locus. Mol. Genet Genomics. 266: 639-645. DOI: [[https://doi.org/10.1007/s004380100583|10.1007/s004380100583]]
  
 Cook AA, Stall RE (1963). Inheritance of resistance in pepper to bacterial spot. Phytopathology 53: 1060-1062. Cook AA, Stall RE (1963). Inheritance of resistance in pepper to bacterial spot. Phytopathology 53: 1060-1062.
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 Robbins MD, Darrigues A, Sim SC, Masud MA, Francis DM (2009). Characterization of hypersensitive resistance to bacterial spot race T3 (//Xanthomonas perforans//) from tomato accession PI 128216. Phytopathology 99: 1037-1044. DOI: [[https://doi.org/10.1094/PHYTO-99-9-1037|10.1094/PHYTO-99-9-1037]] Robbins MD, Darrigues A, Sim SC, Masud MA, Francis DM (2009). Characterization of hypersensitive resistance to bacterial spot race T3 (//Xanthomonas perforans//) from tomato accession PI 128216. Phytopathology 99: 1037-1044. DOI: [[https://doi.org/10.1094/PHYTO-99-9-1037|10.1094/PHYTO-99-9-1037]]
 +
 +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]]
  
 Scott JW, Stall RE, Jones JB, Somodi GC (1996). A single gene controls the hypersensitive response of Hawaii 7981 to race 3 (T3) of the bacterial spot pathogen. Rpt. Tomato Genet. Coop. 46: 23. Scott JW, Stall RE, Jones JB, Somodi GC (1996). A single gene controls the hypersensitive response of Hawaii 7981 to race 3 (T3) of the bacterial spot pathogen. Rpt. Tomato Genet. Coop. 46: 23.
plant/tomato.1782748524.txt.gz · Last modified: 2026/06/29 16:55 by rkoebnik

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