Results show that these sequences are homological to Brassica napus and Arabidopsis mtDNA genome partially.But they are not homological to CMS gene reported before.

• 结果表明，所获得的特异片段均与拟南芥和甘蓝型油菜的线粒体基因组序列部分同源，但与已发表的不育基因序列没有同源性。