Genome-wide identification and expression analysis of nucleotide-binding site leucine-rich repeat genes associated with downy mildew resistance in spinach.

Jiao Yang, Man Yuan, Xuemei Wang, Xiaoli Wang, Chenxi Xu, Xiaofeng Cai

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Article in PeerJ, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Jiao YangShanghai Collaborative Innovation Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, China.

Man YuanShanghai Collaborative Innovation Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, China.

Xuemei WangShanghai Collaborative Innovation Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, China.

Xiaoli WangShanghai Collaborative Innovation Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, China.

Chenxi XuShanghai Collaborative Innovation Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, China.

Xiaofeng CaiShanghai Collaborative Innovation Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Downy mildew is a destructive disease that causes severe losses in spinach ( Methods: Using available spinach genome data, we identified NBS-LRR family members Results: We identified 114 NBS-LRR family members in spinach, which were categorized into coiled-coil (CC) domain-NBS (40 members), CC-NBS-LRR (27 members), NBS (19 members), NBS-LRR (12 members), and other subclasses. These genes were asymmetrically distributed across chromosomes, with enrichment on chromosomes 1 and 3 (accounting for 26.3% and 28.1% of the total, respectively). NBS-LRR members shared conserved motifs, with motifs 2 and 12 being the most highly conserved; genes within the same phylogenetic clade showed functional similarity. Ten candidate genes were selected through integration with GWAS results. These candidates exhibited tissue-specific expression (

Indexed as

Disease ResistancePlant DiseasesPlant ProteinsSpinacia oleraceaGene Expression Regulation, PlantGenes, PlantGenome, PlantGenome-Wide Association StudyLeucine-Rich Repeat ProteinsOomycetesPeronosporaLeucine-Rich Repeat ProteinsPlant ProteinsDowny mildewGene familyNBS-LRRPhylogenetic analysisSpinach

Identifiers

PMID42609745

DOI10.7717/peerj.21599

PMCPMC13480143

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