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plant:cotton [2025/02/25 10:14] – [Resistance gene: //B9K// and //B9L//] rkoebnikplant:cotton [2026/04/13 10:32] (current) – [References] rkoebnik
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 === Brief description === === Brief description ===
  
-The locus //B<sub>5</sub> //, when introgressed into the susceptible 'Acala 44' background (Ac//B<sub>5</sub> //), conferred strong and broad-spectrum resistance to bacterial blight (Essenberg //et al//., 2023). Segregation patterns indicated that Ac//B<sub>5</sub> // is likely homozygous for resistance at two loci with partial dominance gene action, and two of the four copies of //B<sub>5</sub> // were required for effective resistance (Essenberg //et al.//, 2023). Contrary to expectations of gene-for-gene theory, Ac//B<sub>5</sub> // conferred high resistance toward isogenic strains of //Xanthomonas citri// pv. //malvacearum// carrying cloned avirulence genes //avrB4//, //avrb7//, //avrBIn//, //avrB101//, and //avrB102//, respectively, and weaker resistance toward the strain carrying cloned //avrb6// (Essenberg //et al.//, 2023). A link between number of //B<sub>5</sub> // alleles, level of resistance and sesquiterpenoid phytoalexin production was established (Essenberg //et al.//, 2023).+The locus //B<sub>5</sub> //, when introgressed into the susceptible 'Acala 44' background (Ac//B<sub>5</sub> //), conferred strong and broad-spectrum resistance to bacterial blight (Essenberg //et al//., 2023). Segregation patterns indicated that Ac//B<sub>5</sub> // is likely homozygous for resistance at two loci with partial dominance gene action, and two of the four copies of //B<sub>5</sub> // were required for effective resistance (Essenberg //et al//., 2023). Contrary to expectations of gene-for-gene theory, Ac//B<sub>5</sub> // conferred high resistance toward isogenic strains of //Xanthomonas citri// pv. //malvacearum// carrying cloned avirulence genes //avrB4//, //avrb7//, //avrBIn//, //avrB101//, and //avrB102//, respectively, and weaker resistance toward the strain carrying cloned //avrb6// (Essenberg //et al//., 2023). A link between number of //B<sub>5</sub> // alleles, level of resistance and sesquiterpenoid phytoalexin production was established (Essenberg //et al//., 2023).
  
 ---- ----
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 === Synonyms === === Synonyms ===
  
-B<sub>6m</sub> (Saunders and Innes, 1963).+//B<sub>6m</sub> // (Saunders and Innes, 1963).
 === Source === === Source ===
  
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 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
-Mapped: b<sub>6a</sub> on LGU01, b<sub>6b</sub> on chromosome 5, b<sub>6c</sub> on chromosome 20, b<sub>6d</sub> on chromosome 14 (Wright //et al//., 1998; Delannoy //et al//., 2005).+Mapped: //b<sub>6a</sub> // on LGU01, //b<sub>6b</sub> // on chromosome 5, //b<sub>6c</sub> // on chromosome 20, //b<sub>6d</sub> // on chromosome 14 (Wright //et al//., 1998; Delannoy //et al//., 2005).
 === Molecular markers === === Molecular markers ===
  
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 === Molecular markers === === Molecular markers ===
  
-Associated to four distinct QTL loci b<sub>6a</sub>, b<sub>6b</sub>, b<sub>6c</sub>, b<sub>6d</sub> (Wright //et al//., 1998).+Associated to four distinct QTL loci //b<sub>6a</sub> //, //b<sub>6b</sub> //, //b<sub>6c</sub> //, //b<sub>6d</sub> // (Wright //et al//., 1998).
 === Brief description === === Brief description ===
  
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 === Source === === Source ===
  
-//Gossypium herbaceum //cultivar Wagad 8 (Knight, 1963; Innes, 1965a); //Gossypium hirsutum// cultivar Allen 51-296 (Lagiere, 1958; Innes, 1965a).+//Gossypium herbaceum// cultivar Wagad 8 (Knight, 1963; Innes, 1965a); //Gossypium hirsutum// cultivar Allen 51-296 (Lagiere, 1958; Innes, 1965a).
 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
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 === Synonyms === === Synonyms ===
  
-//B10// (Knight, 1963; Lagiere, 1960).+//B10// (Lagiere, 1958; Knight, 1963).
 === Source === === Source ===
  
-//Gossypium hirsutum //cultivar Kufra Oasis (Knight, 1963; Innes, 1965a); //Gossypium hirsutum// cultivar Allen 51-296 (Lagiere, 1960; Innes, 1965a).+//Gossypium hirsutum// cultivar Kufra Oasis (Knight, 1963; Innes, 1965a); //Gossypium hirsutum// cultivar Allen 51-296 (Lagiere, 1958; Innes, 1965a).
 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
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 RFLP markers (Wright //et al//.,1998); SSR and SNP markers (Xiao //et al//., 2010). RFLP markers (Wright //et al//.,1998); SSR and SNP markers (Xiao //et al//., 2010).
 +=== Brief description ===
 +
 +//NA//
 +
 +----
 +
 +==== Resistance gene: //Bb13// ====
 +
 +=== Synonyms ===
 +
 +//NA//
 +=== Source ===
 +
 +Likely introgressed from African //Gossypium hirsutum// cultivar S295 into US cotton (Gandhadmath //et al//., 1989).
 +=== Status (identified, mapped, cloned, sequenced) ===
 +
 +Mapped on chromosome D02 (Gandhadmath //et al//., 2026).
 +=== Molecular markers ===
 +
 +PACE marker CBB16 (Gandhadmath //et al//.,2026).
 === Brief description === === Brief description ===
  
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 Delannoy E, Lyon BR, Marmey P, Jalloul A, Daniel JF, Montillet JL, Essenberg M, Nicole M (2005). Resistance of cotton towards //Xanthomonas campestris// pv. //malvacearum//. Annu. Rev. Phytopathol. 43: 63-82. DOI: [[https://doi.org/10.1146/annurev.phyto.43.040204.140251|10.1146/annurev.phyto.43.040204.140251]] Delannoy E, Lyon BR, Marmey P, Jalloul A, Daniel JF, Montillet JL, Essenberg M, Nicole M (2005). Resistance of cotton towards //Xanthomonas campestris// pv. //malvacearum//. Annu. Rev. Phytopathol. 43: 63-82. DOI: [[https://doi.org/10.1146/annurev.phyto.43.040204.140251|10.1146/annurev.phyto.43.040204.140251]]
  
-Essenberg M, McNally KL, Bayles MB, Pierce ML, Hall JA, Kuss CR, Shevell JL, Verhalen LM (2023). Gene //B<sub>5</sub> // in cotton confers high and broad resistance to bacterial blight and conditions high amounts of sesquiterpenoid phytoalexins. Phytopathology 113: 812-823. doi: [[https://doi.org/10.1094/PHYTO-08-22-0310-FI|10.1094/PHYTO-08-22-0310-FI]]+Essenberg M, McNally KL, Bayles MB, Pierce ML, Hall JA, Kuss CR, Shevell JL, Verhalen LM (2023). Gene //B<sub>5</sub> // in cotton confers high and broad resistance to bacterial blight and conditions high amounts of sesquiterpenoid phytoalexins. Phytopathology 113: 812-823. DOI: [[https://doi.org/10.1094/PHYTO-08-22-0310-FI|10.1094/PHYTO-08-22-0310-FI]] 
 + 
 +Gandhadmath SS, Bourland FM, Gowda SA, Shrestha N, Jones DC, Bissonnette K, Kuraparthy V (2026). Genome-wide exploration of bacterial leaf blight resistance and fine mapping of major resistance gene (//Bb13//) in upland cotton (//Gossypium hirsutum// L.). Plant Genome 19: e70214. DOI: [[https://doi.org/10.1002/tpg2.70214|10.1002/tpg2.70214]]
  
 Green JM, Brinkerhoff LA (1956). Inheritance of three genes for bacterial blight resistance in Upland cotton. Agron. J. 48: 481-485. DOI: [[https://doi.org/10.2134/agronj1956.00021962004800110001x|10.2134/agronj1956.00021962004800110001x]] Green JM, Brinkerhoff LA (1956). Inheritance of three genes for bacterial blight resistance in Upland cotton. Agron. J. 48: 481-485. DOI: [[https://doi.org/10.2134/agronj1956.00021962004800110001x|10.2134/agronj1956.00021962004800110001x]]
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 Saunders JH, Innes NL (1963). The genetics of bacterial blight resistance in cotton. Further evidence on the gene //B<sub>6m</sub> //. Genetics Res. 4: 382-388. DOI: [[https://doi.org/10.1017/S0016672300003773|10.1017/S0016672300003773]] Saunders JH, Innes NL (1963). The genetics of bacterial blight resistance in cotton. Further evidence on the gene //B<sub>6m</sub> //. Genetics Res. 4: 382-388. DOI: [[https://doi.org/10.1017/S0016672300003773|10.1017/S0016672300003773]]
  
-Wallace TP, El-Zik KM (1989). Inheritance of resistance in three cotton cultivars to the HV1 isolate of bacterial blight. Crop Sci. 29: 1114-1119. DOI :[[https://doi.org/10.2135/cropsci1989.0011183X002900050003x|10.2135/cropsci1989.0011183X002900050003x]]+Wallace TP, El-Zik KM (1989). Inheritance of resistance in three cotton cultivars to the HV1 isolate of bacterial blight. Crop Sci. 29: 1114-1119. DOI: [[https://doi.org/10.2135/cropsci1989.0011183X002900050003x|10.2135/cropsci1989.0011183X002900050003x]]
  
 Wright RJ, Thaxton PM, El-Zik KM, Paterson AH (1998). D-subgenome bias of //Xcm// resistance genes in tetraploid //Gossypium// (cotton) suggests that polyploid formation has created novel avenues for evolution. Genetics 149: 1987-1996. DOI: [[https://doi.org/10.1093/genetics/149.4.1987|10.1093/genetics/149.4.1987]] Wright RJ, Thaxton PM, El-Zik KM, Paterson AH (1998). D-subgenome bias of //Xcm// resistance genes in tetraploid //Gossypium// (cotton) suggests that polyploid formation has created novel avenues for evolution. Genetics 149: 1987-1996. DOI: [[https://doi.org/10.1093/genetics/149.4.1987|10.1093/genetics/149.4.1987]]
plant/cotton.1740478451.txt.gz · Last modified: 2025/02/25 10:14 by rkoebnik

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