作物学报 ›› 2013, Vol. 39 ›› Issue (12): 2115-2122.doi: 10.3724/SP.J.1006.2013.02115
杨艳歌1,2,吕维涛2,孙冬梅1,*,凌毅3,*,邓馨2,*
YANG Yan-Ge1,2,LÜ Wei-Tao2,SUN Dong-Mei1,*,LING Yi3,*,DENG Xin2,*
摘要:
碱性亮氨酸拉链(basic leucine zipper, bZIP)是真核生物特有的转录因子家族,在高等植物基因表达与调控中起重要作用。本文通过对玉米基因组数据库中收录的全长cDNA序列全基因组范围的bZIP分析,发现其中25个序列编码D亚族bZIP转录因子。针对这些序列进行生物信息学分析、染色体分布和直系同源组的分类分析,发现部分序列可能是由同一基因座编码,但不同方式剪切形成的。对部分基因克隆和测序发现了更多的剪切形式。定量检测其中3个基因在ABA和干旱胁迫条件下的表达发现,其中1个受ABA诱导,2个受ABA抑制,但均不受干旱胁迫影响。表明玉米中D亚族基因可能参与ABA响应。
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