ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2018
An NB-LRR gene, TYNBS1, is responsible for resistance mediated by the Ty-2 Begomovirus resistance locus of tomato.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.
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51 citing papers in PubMed, 105 citations in OpenAlex.
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- 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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- The tomato gene Ty-6, encoding DNA polymerase delta subunit 1, confers broad resistance to Geminiviruses.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Marker assisted pyramiding of major resistance genes of tomato leaf curl and late blight diseases for stabilising tomato production.Physiology and molecular biology of plants : an international journal of functional plant biology · 2025Article
- 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).BMC plant biology · 2024Article
- Geminiviruses and Food Security: A Molecular Genetics Perspective for Sustainable Agriculture in Africa.Plants (Basel, Switzerland) · 2024Review
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- Exploring the source of TYLCV resistance inFrontiers in plant science · 2024Article
- Transcriptional and epigenetic changes during tomato yellow leaf curl virus infection in tomato.BMC plant biology · 2023Article
- Advances and Prospects of Virus-Resistant Breeding in Tomatoes.International journal of molecular sciences · 2023Review
- The Hypersensitive Response to Plant Viruses.Viruses · 2023Review
- Signaling and Resistosome Formation in Plant Innate Immunity to Viruses: Is There a Common Mechanism of Antiviral Resistance Conserved across Kingdoms?International journal of molecular sciences · 2023Review
- Transcriptome analysis during ToLCBaV disease development in contrasting tomato genotypes.3 Biotech · 2023Article
- Metabolic profiles of Sri Lankan cassava mosaic virus-infected and healthy cassava (Manihot esculenta Crantz) cultivars with tolerance and susceptibility phenotypes.BMC plant biology · 2023Article
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageAn NB-LRR gene, TYNBS1, was isolated from Begomovirus-resistance locus Ty-2. Transgenic plant analysis revealed that TYNBS1 is a functional resistance gene. TYNBS1 is considered to be synonymous with Ty-2. Tomato yellow leaf curl disease caused by Tomato yellow leaf curl virus (TYLCV) is a serious threat to tomato (Solanum lycopersicum L.) production worldwide. A Begomovirus resistance gene, Ty-2, was introduced into cultivated tomato from Solanum habrochaites by interspecific crossing. To identify the Ty-2 gene, we performed genetic analysis. Identification of recombinant line 3701 confirmed the occurrence of a chromosome inversion in the Ty-2 region of the resistant haplotype. Genetic analysis revealed that the Ty-2 gene is linked to an introgression encompassing two markers, SL11_25_54277 and repeat A (approximately 200 kb). Genomic sequences of the upper and lower border of the inversion section of susceptible and resistant haplotypes were determined. Two nucleotide-binding domain and leucine-rich repeat-containing (NB-LRR) genes, TYNBS1 and TYNBS2, were identified around the upper and lower ends of the inversion section, respectively. TYNBS1 strictly co-segregated with TYLCV resistance, whereas TYNBS2 did not. Genetic introduction of genomic fragments containing the TYNBS1 gene into susceptible tomato plants conferred TYLCV resistance. These results demonstrate that TYNBS1 is a functional resistance gene for TYLCV, and is synonymous with the Ty-2 gene.
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