Genome-based high-resolution mapping of fusarium wilt resistance in sweet basil

Genome-based high-resolution mapping of fusarium wilt resistance in sweet basil

Fusarium wilt of basil is a disease of sweet basil (Ocimum basilicum L.) plants caused by the fungus Fusarium oxysporum f. sp. basilici (FOB). Although resistant cultivars were released > 20 years ago, the underlying mechanism and the genes controlling the resistance remain unknown. We used genet...

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Veröffentlicht in:Plant science (Limerick) 2022-08, Vol.321, p.111316-111316, Article 111316
Hauptverfasser: Gonda, Itay, Milavski, Renana, Adler, Chen, Abu-Abied, Mohamad, Tal, Ofir, Faigenboim, Adi, Chaimovitsh, David, Dudai, Nativ
Format: Artikel
Sprache:eng
Schlagworte:
Fusarium wilt
Genotyping-by-sequencing (GBS)
Leucine-rich repeat – receptor-like kinase (LRR-RLK)
QTL mapping
Sweet basil
Ubiquitin-like protease (ULP)
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Zusammenfassung:Fusarium wilt of basil is a disease of sweet basil (Ocimum basilicum L.) plants caused by the fungus Fusarium oxysporum f. sp. basilici (FOB). Although resistant cultivars were released > 20 years ago, the underlying mechanism and the genes controlling the resistance remain unknown. We used genetic mapping to elucidate FOB resistance in an F2 population derived from a cross between resistant and susceptible cultivars. We performed genotyping by sequencing of 173 offspring and aligning the data to the sweet basil reference genome. In total, 23,411 polymorphic sites were detected, and a single quantitative trait locus (QTL) for FOB resistance was found. The confidence interval was
ISSN:0168-9452
1873-2259
DOI:10.1016/j.plantsci.2022.111316