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Type: Journal article
Title: A molecular genetic map of the long arm of chromosome 6R of rye incorporating the cereal cyst nematode resistance gene, CreR
Author: Taylor, C.
Shepherd, K.
Langridge, P.
Citation: Theoretical and Applied Genetics, 1998; 97(5-6):1000-1012
Issue Date: 1998
ISSN: 0040-5752
Statement of
C. Taylor, K. W. Shepherd and P. Langridge
Abstract: A genetic map of the long arm of chromosome 6R of rye was constructed using eight homoeologous group-6 RFLP clones and five PCR markers derived from the rye-specific dispersed repetitive DNA family, R173. The map was developed using a novel test-cross F1 (TC-F1) population segregating for resistance to the cereal cyst nematode. Comparisons were made between the map generated with other rye and wheat group-6 chromosome maps by the inclusion of RFLP clones previously mapped in those species. Co-linearity was observed for common loci. This comparison confirmed a dramatic reduction in recombination for chromosome 6R in the TC-F1 population. The CreR locus was included in the linkage map via progeny testing of informative TC-F1 individuals. CreR mapped 3.7 cM distal from the RFLP locus, XksuF37. Comparative mapping should allow the identification of additional RFLP markers more closely linked to the CreR locus.
Keywords: CCN; RFLP; PCR; Heterodera avenae; Genetic mapping
Rights: © Springer-Verlag 1998
RMID: 0030003670
DOI: 10.1007/s001220050984
Appears in Collections:Agriculture, Food and Wine publications

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