LIU De-quan,GUO Wen-yun,HE Ze-ming,et al.Yeast Two-hybrid cDNA Library Construction of Soybean Embryo Developmental Phase and Screening of Proteins Interacting with Soybean bHLH Transcription Factor[J].Soybean Science,2015,34(05):789-793.[doi:10.11861/j.issn.1000-9841.2015.05.0789]
大豆胚发育期酵母双杂文库的构建及与bHLH转录因子互作蛋白的筛选
- Title:
- Yeast Two-hybrid cDNA Library Construction of Soybean Embryo Developmental Phase and Screening of Proteins Interacting with Soybean bHLH Transcription Factor
- Keywords:
- Soybean; Development; Yeast two-hybrid; Transcription factors; cDNA library
- 文献标志码:
- A
- 摘要:
- 构建了大豆幼胚生长期20~50 d DSN(duplex-specific nulease)均一化cDNA酵母双杂文库,总克隆数为2.8×107 cfu。为了筛选能与已知大豆bHLH转录因子GmbHLH3a相互结合的蛋白质,以转录因子GmbHLH3a为诱饵蛋白构建诱饵载体,GmbHLH3a诱饵载体无自激活活性,通过酵母双杂筛选到了两个能与诱饵蛋白相互作用的蛋白及其序列。
- Abstract:
- In present study, DSN (duplex-specific nulease)-normalization yeast two-hybrid cDNA libraries of soybean seed development from 20 to 50 days after flowering were constructed.The total clone number was 2.8×107cfu. In order to obtain the proteins that could bind with the known soybean bHLH transcription factor GmbHLH3a,the bait plasmid of GmbHLH3a, whose carrier has no auto-activation, was constructed. Through yeast two-hybrid screening, two proteins which could interact with the bait plasmid and their corresponding sequences were acquired.
参考文献/References:
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备注/Memo
基金项目: “十二五”农村领域国家科技计划子任务(2011BAD35B06-2);国家转基因生物新品种培育科技重大专项(2014ZX08004-003);国家自然基金面上项目(31371641)。