Gene cloning and function analysis of ABP9 protein which specifically binds to ABRE2 motif of maize Cat1 gene
文献类型: 外文期刊
第一作者: Wang, L
作者: Wang, L;Zhao, J;Fan, YL
作者机构:
关键词: maize;ABRE;ABP;transcription factor;function analysis
期刊名称:CHINESE SCIENCE BULLETIN ( 影响因子:1.649; 五年影响因子:1.738 )
ISSN: 1001-6538
年卷期: 2002 年 47 卷 22 期
页码:
收录情况: SCI
摘要: A cDNA library was constructed using mRNA extracted from 17 days post-pollination (dpp) maize embryos and was screened by employing a yeast one-hybrid system for proteins specifically interacting with ABRE2 motif of maize Cat1 gene. Three truncated overlapping positive clones designated ABP9 were obtained and the full-length cDNA was isolated by 5' RACE. Searching the database revealed that ABP9 protein belongs to a bZIP-type transcription factor family. ABP9 protein specifically binds to. ABRE2 motif and activates the expression of downstream reporter gene in yeast cells. Our results strongly suggest that the ABP9 protein functions as a transcription activator.
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