CHROMOSOMAL REARRANGEMENTS IN THE RYE GENOME RELATIVE TO THAT OF WHEAT

被引:350
作者
DEVOS, KM [1 ]
ATKINSON, MD [1 ]
CHINOY, CN [1 ]
FRANCIS, HA [1 ]
HARCOURT, RL [1 ]
KOEBNER, RMD [1 ]
LIU, CJ [1 ]
MASOJC, P [1 ]
XIE, DX [1 ]
GALE, MD [1 ]
机构
[1] ACAD AGR SZCZECIN, DEPT PLANT BREEDING, PL-71-434 SZCZECIN, POLAND
关键词
TRANSLOCATIONS; RYE; RFLP; GENETIC MAPS; COMPARATIVE MAPPING; CO-LINEARITY;
D O I
10.1007/BF00225004
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
An RFLP-based genetic map of Secale cereale has provided evidence for multiple evolutionary translocations in the rye genome relative to that of hexaploid wheat. DNA clones which have previously been mapped in wheat indicated that chromosome arms 2RS, 3RL, 4RL, 5RL, 6RS, 6RL, 7RS and 7RL have all been involved in at least one translocation. A possible evolutionary pathway, which accounts for the present day R genome relative to the A, B and D genomes of wheat, is presented. The relevance of these results for strategies designed to transfer useful genes from rye, and probably other related species, to wheat is discussed.
引用
收藏
页码:673 / 680
页数:8
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