Knowledge Management System of Northwest Institute of Plateau Biology, CAS
The cytological instability of neoallopolyploids suggesting a potent way for DNA introgression: The case of synthetic hexaploid wheat × Aegilops peregrina | |
Yang YW(杨友伟) ; Zhang LQ(张连全) ; Yan ZH(严泽红) ; Zheng YL(郑有良) ; Liu DC(刘登才) | |
2011-04-12 | |
发表期刊 | African Journal of Agricultural Research ; 杨友伟;张连全;严泽红;郑有良;刘登才.The cytological instability of neoallopolyploids suggesting a potent way for DNA introgression: The case of synthetic hexaploid wheat × Aegilops peregrina,African Journal of Agricultural Research,2011,6(7):1692-1697 |
摘要 | SHW-L1 is a newly synthetic hexaploid wheat, which has a genomic combination analogous to that of natural common wheat. In the present study, intergeneric F 1 hybrids of SHW-L1 - Aegilops peregrina AS24 were produced without embryo rescue. Among the 31 F 1 hybrid plants observed, 20 had the expected chromosome number 2n = 35 and were euploids (genome ABDUS l ). The remainder 11 plants were aneuploids with 33, 34, 36 and 37 chromosomes, indicating that the neoallohexaploid SHW-L1 was cytologically instable and produced aneuhaploid gametes with 19, 20, 22 and 23 chromosomes, respectively. The hybrid plant lacking chromosome 5B carrying Ph1 showed a very high level of homoeologous chromosome pairing. The absence of Ph gene provides a potent cytological mechanism for DNA introgression among homoeologous chromosomes between newly synthetic wheat and wild species. |
文献类型 | 期刊论文 |
条目标识符 | http://210.75.249.4/handle/363003/25893 |
专题 | 中国科学院西北高原生物研究所 |
推荐引用方式 GB/T 7714 | Yang YW,Zhang LQ,Yan ZH,et al. The cytological instability of neoallopolyploids suggesting a potent way for DNA introgression: The case of synthetic hexaploid wheat × Aegilops peregrina[J]. African Journal of Agricultural Research, 杨友伟;张连全;严泽红;郑有良;刘登才.The cytological instability of neoallopolyploids suggesting a potent way for DNA introgression: The case of synthetic hexaploid wheat × Aegilops peregrina,African Journal of Agricultural Research,2011,6(7):1692-1697,2011. |
APA | Yang YW,Zhang LQ,Yan ZH,Zheng YL,&Liu DC.(2011).The cytological instability of neoallopolyploids suggesting a potent way for DNA introgression: The case of synthetic hexaploid wheat × Aegilops peregrina.African Journal of Agricultural Research. |
MLA | Yang YW,et al."The cytological instability of neoallopolyploids suggesting a potent way for DNA introgression: The case of synthetic hexaploid wheat × Aegilops peregrina".African Journal of Agricultural Research (2011). |
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