A landscape of resistance gene analogs in sour cherry (Prunus cerasus L.)
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Objective
This research aims to analyze the presence and distribution of resistance genes in the avium and fruticosa subgenomes of Prunus cerasus through computational methods and bioinformatics tools.
Results
Analysis of genome and transcriptome sequencing data revealed a total of 19,570 transcripts with at least one resistance gene domain in Prunus cerasus subgenome avium and 19,142 in Prunus cerasus subgenome fruticosa . Key findings include the identification of 804 “complete” resistance gene transcripts in Prunus cerasus subgenome avium and 817 in Prunus cerasus subgenome fruticosa , with distinct distributions of resistance gene classes observed between the subgenomes. Phylogenetic analysis showed clustering of resistance genes, and unique resistance proteins were identified in each subgenome. Functional annotation comparisons with Arabidopsis thaliana highlighted shared and unique resistance genes, emphasizing the complexity of disease resistance in cherry species. Additionally, a higher diversity of RLKs and RLPs was observed, with 504 transcripts identified and 18 showing similarity to known reference genes.
