BAI Yu-cui,WANG Ping,NI Zhi-yong,et al.Cloning and Characterization of GmNF-YA11 Gene in Soybean[J].Soybean Science,2019,38(05):719-725.[doi:10.11861/j.issn.1000-9841.2019.05.0719]
大豆GmNF-YA11基因克隆及特征分析
- Title:
- Cloning and Characterization of GmNF-YA11 Gene in Soybean
- Keywords:
- Soybean; GmNF-YA11; Cloning; Transcriptional activation
- 文献标志码:
- A
- 摘要:
- NF-Y类转录因子是真核生物中普遍存在的一种转录因子复合物,在植物胚胎发育、光合作用、开花时间调控、逆境胁迫响应等诸多方面起重要作用,因此研究NF-Y类转录因子对提高大豆抗逆性有重要意义。为初步了解大豆GmNF-YA11基因的基本特征并为后续实验提供理论基础,本研究从大豆中克隆GmNF-YA11基因,其cDNA序列为1 553 bp,包含1个912 bp的开放阅读框,编码1个含303个氨基酸的蛋白质,分子量为 34.06 kD,等电点为9.50;GmNF-YA11基因组包含5个外显子和4个内含子。进化树分析发现GmNF-YA11和GmNF-YA13在同一个分支上。转录活性分析表明,GmNF-YA11转录因子并不具有转录激活功能。组织特异性表达模式分析表明,GmNF-YA11在检测的所有组织中均有表达,在花中的表达量最低,而在种子中的表达量最高。
- Abstract:
- The NF-Y transcription factor is a ubiquitous transcription factor complex in eukaryotes, recent studies have found that NF-Y plays an important role in plant embryo development, photosynthesis, flowering time regulation, stress response and so on. Therefore, studying NF-Y transcription factors is important to improve soybean resistance. We cloned the GmNF-YA11 gene from soybean in order to preliminarily understand its basic characteristics. The full-length cDNA sequence is 1 553 bp containing open reading frame of 912 bp, encodes a protein of 303 amino acids with a molecular weight of 34.06 kD and pI 9.50. The GmNF-YA11 genome contains five exons and four introns. Phylogenetic tree analysis showed that GmNF-YA11 and GmNF-YA13 were on the same branch. Transcriptional activity analysis showed that GmNF-YA11 transcription factor didn’t have transcriptional activation function. The analysis of tissue specific expression pattern showed that GmNF-YA11 was expressed in all the tissues detected, the highest expression in the seeds and the lowest expression in the flowers.
参考文献/References:
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备注/Memo
收稿日期:2019-03-22