ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2007
QTL identification for early blight resistance (Alternaria solani) in a Solanum lycopersicum x S. arcanum cross.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.
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Who cites it
12 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Unraveling the genetic basis of quantitative resistance to diseases in tomato: a meta-QTL analysis and mining of transcript profiles.Plant cell reports · 2024Pooled it
- Distinct Phyllosphere Microbiome of Wild Tomato Species in Central Peru upon Dysbiosis.Microbial ecology · 2023Article
- Molecular mapping of quantitative trait loci for resistance to early blight in tomatoes.Frontiers in plant science · 2023Article
- Genome-wide characterization of theFrontiers in genetics · 2022Article
- Cryptic introgressions contribute to transgressive segregation for early blight resistance in tomato.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Genetic diversity, population structure and validation of SSR markers linked toPhysiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Curvularia lunata as new causal pathogen of tomato early blight disease in Egypt.Molecular biology reports · 2021Article
- Current Status of Early Blight Resistance in Tomato: An Update.International journal of molecular sciences · 2017Review
- Microarray analyses during early stage of the tomato/Alternaria solani interaction.Genomics data · 2015Article
- Localization of QTLs for in vitro plant regeneration in tomato.BMC plant biology · 2011Article
- Enzyme activity profiles during fruit development in tomato cultivars and Solanum pennellii.Plant physiology · 2010Article
- Genomics of fungal disease resistance in tomato.Current genomics · 2010Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Alternaria solani (Ellis and Martin) Sorauer, the causal agent of early blight (EB) disease, infects aerial parts of tomato at both seedling and adult plant stages. Resistant cultivars would facilitate a sustainable EB management. EB resistance is a quantitatively expressed character, a fact that has hampered effective breeding. In order to identify and estimate the effect of genes conditioning resistance to EB, a quantitative trait loci (QTL) mapping study was performed in F2 and F3 populations derived from the cross between the susceptible Solanum lycopersicum (syn. Lycopersicon esculentum) cv. 'Solentos' and the resistant Solanum arcanum (syn. Lycopersicon peruvianum) LA2157 and genotyped with AFLP, microsatellite and SNP markers. Two evaluation criteria of resistance were used: measurements of EB lesion growth on the F2 plants in glasshouse tests and visual ratings of EB severity on foliage of the F3 lines in a field test. A total of six QTL regions were mapped on chromosomes 1, 2, 5-7, and 9 with LOD scores ranging from 3.4 to 17.5. Three EB QTL also confer resistance to stem lesions in the field, which has not been reported before. All QTL displayed significant additive gene action; in some cases a dominance effect was found. Additive x additive epistatic interactions were detected between one pair of QTL. For two QTL, the susceptible parent contributed resistance alleles to both EB and stem lesion resistance. Three of the QTL showed an effect in all tests despite methodological and environmental differences.
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