Molecular cytogenetic identification of Triticum aestivum Secale cereale substitution and addition lines
文献类型: 外文期刊
第一作者: Li, HJ
作者: Li, HJ;Zhu, ZQ;Zhang, YM;Guo, BH;Wen, YX;Jia, X
作者机构:
关键词: Triticum aestivum;triticale;Secale cereale;tissue culture;substitution line;addition line;fluorescence in situ hybridization
期刊名称:ACTA BOTANICA SINICA ( 影响因子:0.599; )
ISSN: 0577-7496
年卷期: 1998 年 40 卷 1 期
页码:
收录情况: SCI
摘要: Two substitution lines, designated as 930498 and 930483, and one addition line, designated as 930029, via F-o immature embryo culture of Triticum aestivum x octoploid triticale (x Triticosecale Wittmack) were identified. Fluorescence in situ hybridization (FISH) using total genomic DNA of rye (Secale cereale L.) as probe corroborated the existence of rye chromosomes, further confirmed through chromosome paring at meiotic metaphase I, C-banding and glutenin SDS-PAGE. The results demonstrated that the two substitution lines are 1D/1R, and the addition line is also 1R addition. Rye chromosomes that are distinct to the red-colored wheat chromosomes appear yellow-green at mitotic metaphase after FISH.
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