ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2005
RGA- and RAPD-derived SCAR markers for a Brassica B-genome introgression conferring resistance to blackleg in oilseed rape.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 38 citations in OpenAlex.
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- Inheritance Pattern and Molecular Markers for Resistance to Blackleg Disease in Cabbage.Plants (Basel, Switzerland) · 2019Article
- A user guide to the Brassica 60K Illumina Infinium™ SNP genotyping array.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2017Review
- Cloning of TTG1 gene and PCR identification of genomes A, B and C in Brassica species.Genetica · 2014Article
- Conserved microstructure of the Brassica B Genome of Brassica nigra in relation to homologous regions of Arabidopsis thaliana, B. rapa and B. oleracea.BMC genomics · 2013Article
- Genetic linkage map construction and QTL mapping of cadmium accumulation in radish (Raphanus sativus L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2012Article
- Production and characterization of interspecific somatic hybrids between Brassica oleracea var. botrytis and B. nigra and their progenies for the selection of advanced pre-breeding materials.Plant cell reports · 2011Article
- RLM3, a potential adaptor between specific TIR-NB-LRR receptors and DZC proteins.Communicative & integrative biology · 2008Article
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2 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
An introgression derived from the B genome of Brassica juncea in spring-type oilseed rape (B. napus) conferring recessively inherited cotyledon resistance against several pathotypes of the blackleg fungus Leptosphaeria maculans was mapped using PCR-based molecular markers. Resistance-associated B-genome-specific randomly amplified (RAPD) and resistance gene analog (RGA) DNA polymorphisms were converted into three sequence-specific markers (SCARs; B5-1520, C5-1000, RGALm). The flanking sequence of the RGALm locus was determined by genomic walking, leading to a 1,610-bp EcoRV fragment which showed extensive homology to known and putative resistance genes of a cluster on Arabidopsis chromosome 5. Partial sequence analysis of the genomic RAPD segment OPC-05-1700 revealed strong homology to the gibberellin 2-oxidase gene of Arabidopsis. The SCAR markers were analyzed in two segregating populations and were found to be linked in coupling to each other, and in repulsion to the resistance locus. In both populations, markers deviated significantly from a monogenic 3:1 segregation ratio, with plants lacking the markers being more frequent than expected. Although the mode of introgression is yet unknown, the recombinant individuals observed among susceptible progeny suggest homeology between the B-genome-specific segment and its B. napus counterpart. This would offer prospects for reducing the size of the introgression and further fine mapping of the resistance locus.
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