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plant:banana [2026/04/13 09:11] – rkoebnikplant:banana [2026/04/13 09:20] (current) – [Resistance gene: //MusaPUB22/23//] rkoebnik
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-==== Resistance gene: //MusaPUB22/23// ====+==== Resistance gene: //  MusaVicilin  // ====
  
 === Synonyms === === Synonyms ===
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 === Source === === Source ===
  
-Susceptibility genes in the BXW-susceptible 'Sukali Ndiizi' cultivar (Tripathi //et al//., 2025).+//MusaVicilin// gene cloned from //Musa balbisiana// (Macharia //et al//., 2026).
 === Status (identified, mapped, cloned, sequenced) === === Status (identified, mapped, cloned, sequenced) ===
  
-Identified and sequenced (Tripathi //et al//., 2025).+Identified and sequenced (Macharia //et al//., 2026).
 === Molecular markers === === Molecular markers ===
  
-Edited genes (Tripathi //et al//., 2025)+Transgenic lines overexpressing the //MusaVicilin// gene under the control of the constitutive CaMV 35S promoter (Macharia //et al//., 2026)
 === Brief description === === Brief description ===
  
-Genes //MusaPUB22// and //MusaPUB23// were identified through prior comparative transcriptomics analysis, which revealed their upregulation in susceptible versus resistant genotypes during early infection with //Xvm//. Several gene edited lines displayed complete resistance to //Xvm// infection, while others showed partial resistance, in contrast to the full susceptibility of wild-type controls. Resistance correlated with hydrogen peroxide accumulation and activation of key defense-related genes, indicating enhanced immune responses (Tripathi //et al//., 2025).+Comparative transcriptomic analyses revealed a five-fold upregulation of //MusaVicilin// gene in //M. balbisiana// (BB genome) compared to the BXW- susceptible 'Pisang Awak' at early infection stage with the pathogen. //MusaVicilin// overexpression showed moderate correlation with disease resistance, with transgenic line (S2) demonstrating complete resistance under greenhouse conditions. These results suggest that the overexpression of //MusaVicilin// can confer enhanced resistance to BXW and highlight its potential as a candidate gene for genetic engineering resistance to BXW in susceptible cultivars. responses (Macharia //et al//., 2026).
  
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plant/banana.txt · Last modified: 2026/04/13 09:20 by rkoebnik

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