Molecular cytogenetic characterization of wheat-Thinopyrum ponticum translocations bearing blue-grained gene(s) induced by r-ray
文献类型: 外文期刊
第一作者: Zheng, Qi
作者: Zheng, Qi;Li, Bin;Zhang, Xueyong;Mu, Sumei;Zhou, Hanping;Li, Zhensheng
作者机构:
关键词: Triticum aestivum;Thinopyrum ponticum;Blue aleurone;Translocation
期刊名称:EUPHYTICA ( 影响因子:1.895; 五年影响因子:2.181 )
ISSN: 0014-2336
年卷期: 2006 年 152 卷 1 期
页码:
收录情况: SCI
摘要: Eight gamma-irradiation-induced Triticum aestivum - Thinopyrum ponticum translocations conveying the blue aleurone were characterized using molecular cytogenetic approach. The size of alien chromosome segments was estimated by genomic in situ hybridization (GISH). The wheat chromosome segments involved in these translocations were clearly identified by two-color fluorescence in situ hybridization (FISH) with the probes of pAs1 and pSc119.2 (or pHvG38). Most of the detected translocations were reciprocal translocations involving wheat chromosomes 1B, 2D, 3A, 4A, 5B, 6B, 6D and 7A. This series of blue-grained wheat translocation lines would be useful in theoretical studies and wheat chromosome engineering breeding.
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