Structural organization of the group-1 chromosomes of two bread wheat sister lines

被引:3
作者
Boeuf, C [1 ]
Prodanovic, S [1 ]
Gay, G [1 ]
Bernard, M [1 ]
机构
[1] INRA, UMR UBP Ameliorat & Sante Plantes, F-63039 Clermont Ferrand 2, France
关键词
wheat; intervarietal cross; molecular mapping; genetic distances;
D O I
10.1007/s00122-002-1154-3
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Eureka and Renan are two French bread wheat cultivars derived from a 4-way cross. Using molecular markers (essentially RFLPs), we studied the structure of the group-1 chromosomes of these two genotypes, their parents and a doubled-haploid (DH) population derived from their F-1. Using the DH population (102 lines), a molecular map of the three homoeologous group-1 chromosomes was produced and compared with the map established on another intervarietal cross: Courtot x Chinese Spring (Cadalen et al. 1997). The polymorphic markers were mapped on the DH population and characterized on the four grand-parents, allowing us to compare the structural organization of the group-1 chromosomes of Eureka and Renan and determine their origin. These chromosomes were very different, except for small regions (1AL proximal and IBL distal) which were identical.
引用
收藏
页码:938 / 946
页数:9
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