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

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

PROVIDER: PRJNA667913 | ENA |

REPOSITORIES: ENA

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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

Expression data for 1) pear host resistance allowed by transgenic expression of apple Rvi6 resistance gene and 2) nonhost resistance against scab

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

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

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Expression data for 1) pear host resistance allowed by transgenic expression of apple Rvi6 resistance gene and 2) nonhost resistance against scab

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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

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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).

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Project description:Ontogenic Resistance in Apple

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