ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2009
Using SNP markers to dissect linkage disequilibrium at a major quantitative trait locus for resistance to the potato cyst nematode Globodera pallida on potato chromosome V.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 40 citations in OpenAlex.
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- Improvement of diagnostic markers for resistance toBreeding science · 2021Article
- Association mapping reveals novel genomic regions controlling some root and stolon traits in tetraploid potato (3 Biotech · 2021Article
- Genome-wide association study identifies various loci underlying agronomic and morphological traits in diversified potato panel.Physiology and molecular biology of plants : an international journal of functional plant biology · 2020Article
- Uncovering Phenotypic Diversity and DArTseq Marker Loci Associated with Antioxidant Activity in Common Bean.Genes · 2019Article
- Linkage Disequilibrium and Evaluation of Genome-Wide Association Mapping Models in Tetraploid Potato.G3 (Bethesda, Md.) · 2018Article
- Graphical genotyping as a method to map NyTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2017Article
- SNPs in genes functional in starch-sugar interconversion associate with natural variation of tuber starch and sugar content of potato (Solanum tuberosum L.).G3 (Bethesda, Md.) · 2014Article
- Linkage relationships among multiple QTL for horticultural traits and late blight (P. infestans) resistance on chromosome 5 introgressed from wild tomato Solanum habrochaites.G3 (Bethesda, Md.) · 2013Article
- Novel candidate genes influencing natural variation in potato tuber cold sweetening identified by comparative proteomics and association mapping.BMC plant biology · 2013Article
- Integration of gene-based markers in a pearl millet genetic map for identification of candidate genes underlying drought tolerance quantitative trait loci.BMC plant biology · 2012Article
- A Brassica rapa linkage map of EST-based SNP markers for identification of candidate genes controlling flowering time and leaf morphological traits.DNA research : an international journal for rapid publication of reports on genes and genomes · 2009Article
- Development of microsatellite markers in potato and their transferability in some members of Solanaceae.Physiology and molecular biology of plants : an international journal of functional plant biology · 2009Article
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8 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The damage caused by the parasitic root cyst nematode Globodera pallida is a major yield-limiting factor in potato cultivation . Breeding for resistance is facilitated by the PCR-based marker 'HC', which is diagnostic for an allele conferring high resistance against G. pallida pathotype Pa2/3 that has been introgressed from the wild potato species Solanum vernei into the Solanum tuberosum tetraploid breeding pool. The major quantitative trait locus (QTL) controlling this nematode resistance maps on potato chromosome V in a hot spot for resistance to various pathogens including nematodes and the oomycete Phytophthora infestans. An unstructured sample of 79 tetraploid, highly heterozygous varieties and breeding clones was selected based on presence (41 genotypes) or absence (38 genotypes) of the HC marker. Testing the clones for resistance to G. pallida confirmed the diagnostic power of the HC marker. The 79 individuals were genotyped for 100 single nucleotide polymorphisms (SNPs) at 10 loci distributed over 38 cM on chromosome V. Forty-five SNPs at six loci spanning 2 cM in the interval between markers GP21-GP179 were associated with resistance to G. pallida. Based on linkage disequilibrium (LD) between SNP markers, six LD groups comprising between 2 and 18 SNPs were identified. The LD groups indicated the existence of multiple alleles at a single resistance locus or at several, physically linked resistance loci. LD group C comprising 18 SNPs corresponded to the 'HC' marker. LD group E included 16 SNPs and showed an association peak, which positioned one nematode resistance locus physically close to the R1 gene family.
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