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Mining of scab resistance R-genes from different cultivars of apple and Introducing Scab resistance in commercially important varieties of apple grown in Kashmir valley through cisgenesis

ABSTRACT: Identification of scab resistant genes in apple varieties. The research was funded by SERB.

ORGANISM(S): Malus domestica

PROVIDER: GSE132387 | GEO | 2020/09/01

REPOSITORIES: GEO

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Mining of scab resistance R-genes from different cultivars of apple and Introducing Scab resistance in commercially important varieties of apple grown in Kashmir valley through cisgenesis

Project description:Mining of scab resistance R-genes from different cultivars of apple and Introducing Scab resistance in commercially important varieties of apple grown in Kashmir valley through cisgenesis

| PRJNA547796 | ENA

Time series transcriptome of Venturia inaequalis (apple scab) infecting Malus domestica (apple)

Project description:V. inaequalis causes apple scab disease, the most economically important disease of apples. In this study, we generated a comprehensive RNA-seq transcriptome of V. inaequalis during host colonization of apple, with six in planta time points (12hpi, 24hpi, 2dpi, 3dpi, 5dpi, 7dpi) and one in culture reference (fungus grown on cellophane membranes overlaying potato dextrose agar). Analysis of this transcriptome identified five in planta gene expression clusters or waves corresponding to three specific infection stages: early, mid and mid-late infection of subcuticular biotrophic host-colonization. In our analysis we focus on general fungal nutrition (plant cell wall degrading enzymes and transporters) as well as effectors (proteinaceous effectors and secondary metabolites). Early infection was characterized by the expression of genes that encode plant cell wall-degrading enzymes (PCWDEs) and proteins associated with oxidative stress responses. Mid-late infection was characterized by genes that encode PCWDEs and effector candidates (ECs).

2022-03-14 | GSE198244 | GEO

Expression data for apple Rvi6 host resistance and nonhost resistance against scab

Project description:Expression data for apple Rvi6 host resistance and nonhost resistance against scab

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Multi-omics reveals mechanisms of potato resistance to powdery scab

Project description:The potato powdery scab agent Spongospora subterranea causes damage on the skin of tubers and induces root gall formation, precipitating considerable yield and quality losses. Currently, there are no effective chemical treatments for the control of powdery scabs. Understanding the inducible defence responses in roots of potato plants in the resistant and susceptible host environment, particularly during colonisation of the root by S. subterranea is required for the breeding of novel resistant cultivars. Here, we integrated transcriptomics, proteomics and metabolomics datasets to uncover the mechanisms underlying of the potato resistance to powdery scab. This multi-omics approach identified upregulation of glutathione metabolism at the levels of RNA, protein and metabolite in the resistant cultivar but not in the susceptible cultivar. Upregulation of the lignin metabolic process was also specific to in the resistant cultivar at the transcriptome level. In addition, Tthe inositol phosphate pathway was differentially expressed between two cultivars in response to S. subterranea infection, where it was upregulated in the susceptible cultivar but downregulated in the resistant cultivar. We provide, for the first time, large-scale multi-omics data of Spongospora-potato interaction, thereby suggesting the signaling role of glutathione metabolism in the potato resistance against powdery scab

2022-08-12 | PXD029381 | Pride

Metabolomics of Two Pecan Varieties Provides Insights into Scab Resistance.

Project description: Not available

| S-EPMC6315810 | biostudies-literature

Ontogenic Resistance in Apple

Project description:Ontogenic scab resistance in apple leaves and fruits is a horizontal resistance against the plant pathogen VenturiaM- inaequalis and is expressed as decrease of disease symptoms and incidence with the ageing of the leaves. Several studies at biochemical level tried to unveil the nature of this resistance, however without any conclusive results. We decided therefore to investigate the genetic origin of this phenomenon by performing a full quantitative trascriptome sequencing and comparison of young (susceptible) and old (ontogenic resistant) leaves, infected or not with the pathogen. Two time points at 72 and 96 hours post inoculation were chosen for RNA sampling and sequencing. Comparison between the different conditions (young and old leaves, inoculated or not) should allow finding genes differentially expressed which may represent different induced plant defense reaction leading to ontogenic resistance or be the cause for a constitutive (not inoculated with the pathogen) shift toward resistance in old leaves. Differentially expressed genes were then characterized for their function by homology to A.M- thaliana and other plantsM-^R genes, particularly looking for genes involved in pathways already suspected of appertaining to ontogenic resistance in apple or other hosts, or to plant defense mechanisms in general.

2013-11-18 | E-MTAB-1726 | biostudies-arrayexpress

Time series transcriptome of Venturia inaequalis (apple scab) infecting Malus domestica (apple)

Project description:Time series transcriptome of Venturia inaequalis (apple scab) infecting Malus domestica (apple)

| PRJNA814268 | ENA

Expression data for apple Rvi6 host resistance and nonhost resistance against scab

Project description:Comparative analyze at the transcriptomic level 1) of Venturia inaequalis apple host resistance via the major resistance gene Rvi6, in Rvi6 overexpressing transgenic apple versus ‘Gala’ susceptible variety; 2) of Venturia pyrina apple nonhost resistance, in ‘Gala’ variety, 24 and 72 hours post inoculation.

2020-10-08 | GSE159179 | GEO

Scab resistance in 'Geneva' apple is conditioned by a resistance gene cluster with complex genetic control.

Project description: Not available

| S-EPMC6638522 | biostudies-literature

Microarray-based species identification of Streptomyces spp. isolated from potato scab lesions in Norway

Project description:28 Streptomyces strains isolated from common scab lesions of potato tubers from a wide geographic range in Norway, were selected for microarray analysis. The selected strains were subjected to species identification by microarray, 16S phylogenetic analysis and PCR; and microarray-based comparative genome analysis. To our knowledge, this is the first report of S. turgidiscabies and S. europaeiscabiei in Norway.

2010-05-01 | GSE20487 | GEO

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