基因组原位杂交比较玉米和水稻基因组同源性

被引:12
作者
宁顺斌
金危危
丁毅
宋运淳
机构
[1] 武汉大学植物发育生物学教育部重点实验室!武汉
关键词
玉米; 水稻; 基因组; 同源性; 比较细胞遗传学; 基因组原位杂交;
D O I
暂无
中图分类号
Q943 [植物细胞遗传学];
学科分类号
071007 ; 090102 ;
摘要
分别以玉米和水稻的基因组DNA为探针,利用基因组原位杂交技术检测了玉米和水稻基因组之间的同源性.用水稻基因组探针杂交玉米染色体时,所有玉米染色体上都显示出多个间隔的杂交带区.而用玉米基因组探针杂交水稻染色体时,所有水稻染色体都显示连续的杂交信号。结果表明玉米和水稻基因组之间具有高度同源性,从而为证实两者起源于同一祖先提供了分子细胞遗传学依据。
引用
收藏
页码:2431 / 2434+2466 +2466
页数:5
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