Overexpression of Lectin Receptor-Like Kinase 1 in Tomato Confers Resistance to Fusarium oxysporum f. sp. Radicis-Lycopersici

Yue, Zhi-Liang; Tian, Zhe-Juan; Zhang, Junwei; Zhang, Shengwei; Li, Yadong; Wu, Zhiming

doi:10.3389/fpls.2022.836269

Cited by 5 publications

(1 citation statement)

References 69 publications

(75 reference statements)

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“…Receptor-like kinases (RLKs) are well-known resistance genes (Goff and Ramonell 2007 ). RNA-seq data suggested that overexpression of lectin receptor-like kinases conferred resistance to Fusarium root rot in tomato (Yue et al 2022 ). Transcriptome data showed evidence for RLK-induced Fusarium wilt resistance in cotton and Arabidopsis by recognition of Fusarium through its cell wall extract (Babilonia et al 2021 ).…”

Section: Discussionmentioning

confidence: 99%

Mapping and validation of Fusarium wilt race 2 resistance QTL from Citrullus amarus line USVL246-FR2

Ganaparthi,

Wechter,

Levi

et al. 2024

Theor Appl Genet

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Key message Fon race 2 resistant QTLs were identified on chromosomes 8 and 9. Families homozygous for resistance alleles at a haplotype of three KASP markers had 42% lower disease severity than those with susceptible alleles in an independent, interspecific validation population confirming their utility for introgression of Fusarium wilt resistance. Abstract Fusarium oxysporum f. sp. niveum (Fon) race 2 causes Fusarium wilt in watermelon and threatens watermelon production worldwide. Chemical management options are not effective, and no resistant edible watermelon cultivars have been released. Implementation of marker-assisted selection to develop resistant cultivars requires identifying sources of resistance and the underlying quantitative trait loci (QTL), developing molecular markers associated with the QTL, and validating marker-phenotype associations with an independent population. An intraspecific Citrullus amarus recombinant inbred line population from a cross of resistant USVL246-FR2 and susceptible USVL114 was used for mapping Fon race 2 resistance QTL. KASP markers were developed (N = 51) for the major QTL on chromosome 9 and minor QTL on chromosomes 1, 6, and 8. An interspecific F2:3 population was developed from resistance donor USVL246-FR2 (C. amarus) and a susceptible cultivar ‘Sugar Baby’ (Citrullus lanatus) to validate the utility of the markers for introgression of resistance from the wild crop relative into cultivated watermelon. Only 16 KASP markers segregated in the interspecific C. amarus/lanatus validation population. Four markers showed significant differences in the separation of genotypes based on family-mean disease severity, but together explained only 16% of the phenotypic variance. Genotypes that inherited homozygous resistant parental alleles at three KASP markers had 42% lower family-mean disease severity than homozygous susceptible genotypes. Thus, haplotype analysis was more effective at predicting the mean disease severity of families than single markers. The haplotype identified in this study will be valuable for developing Fon race 2 resistant watermelon cultivars.

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Section: Discussionmentioning

confidence: 99%

Mapping and validation of Fusarium wilt race 2 resistance QTL from Citrullus amarus line USVL246-FR2

Ganaparthi,

Wechter,

Levi

et al. 2024

Theor Appl Genet

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Genomic-organization and expression profiling of lectin receptor kinases genes suggest their involvement in multiple biological processes

Li,

Xiang,

Liu

et al. 2024

Scientia Horticulturae

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Ligand recognition and signal transduction by lectin receptor-like kinases in plant immunity

Liu

2023

Front. Plant Sci.

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Lectin receptor-like kinases (LecRKs) locate on the cell membrane and play diverse roles in perceiving environmental factors in higher plants. Studies have demonstrated that LecRKs are involved in plant development and response to abiotic and biotic stresses. In this review, we summarize the identified ligands of LecRKs in Arabidopsis, including extracellular purine (eATP), extracellular pyridine (eNAD+), extracellular NAD+ phosphate (eNADP+) and extracellular fatty acids (such as 3-hydroxydecanoic acid). We also discussed the posttranslational modification of these receptors in plant innate immunity and the perspectives of future research on plant LecRKs.

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Overexpression of Lectin Receptor-Like Kinase 1 in Tomato Confers Resistance to Fusarium oxysporum f. sp. Radicis-Lycopersici

Cited by 5 publications

References 69 publications

Mapping and validation of Fusarium wilt race 2 resistance QTL from Citrullus amarus line USVL246-FR2

Mapping and validation of Fusarium wilt race 2 resistance QTL from Citrullus amarus line USVL246-FR2

Genomic-organization and expression profiling of lectin receptor kinases genes suggest their involvement in multiple biological processes

Ligand recognition and signal transduction by lectin receptor-like kinases in plant immunity

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