ArticleBMC plant biology2024
Cy-1, a major QTL for tomato leaf curl New Delhi virus resistance, harbors a gene encoding a DFDGD-Class RNA-dependent RNA polymerase in cucumber (Cucumis sativus).
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- Pervasive mixed infections and recurrent begomovirus co-detection in symptomatic pumpkin plants from Guangxi, China.Frontiers in microbiology · 2026Article
- Ey-1 encodes a DEDDh exonuclease in eggplant (Solanum melongena), providing a novel pathway for begomovirus resistance.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Allelic differences within DNA polymerase delta subunit 1 correlate with geminivirus resistance in diverse plants.G3 (Bethesda, Md.) · 2025Article
- A TIR-NLR gene from Arabidopsis Pla-1 confers resistance to geminivirus infection.The Plant journal : for cell and molecular biology · 2025Article
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8 authors.
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Abstract
backgroundTomato leaf curl New Delhi virus (ToLCNDV) (family Geminiviridae, genus Begomovirus) is a significant threat to cucumber (Cucumis sativus) production in many regions. Previous studies have reported the genetic mapping of loci related to ToLCNDV resistance, but no resistance genes have been identified.
resultsWe conducted map-based cloning of the ToLCNDV resistance gene in cucumber accession No.44. Agroinfiltration and graft-inoculation analyses confirmed the resistance of No.44 to ToLCNDV isolates from the Mediterranean and Asian countries. Initial mapping involving two rounds of phenotyping with two independent F
conclusionsForward and reverse genetic approaches identified CsRDR3, which encodes a DFDGD-class RNA-dependent RNA polymerase, as the gene responsible for ToLCNDV resistance at the major QTL Cy-1 on chromosome 1 in cucumber. Marker-assisted breeding of ToLCNDV resistance in cucumber will be expedited by using No.44 and the DNA markers developed in this study.
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