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大豆GmWRKY52生物信息学分析及与GmNF-YA13互作研究

Bioinformatics Analysis of Soybean GmWRKY52 and Studies of Interaction with GmNF-YA13

  • 摘要: WRKY转录因子在植物生长发育及逆境调控过程发挥着重要作用。前期通过酵母双杂交筛选干旱处理后的大豆cDNA文库时发现GmWRKY52(NP_001237726.2)可能与GmNF-YA13蛋白存在互作,为明确二者是否存在互作,本研究克隆GmWRKY52基因并进行生物信息学分析,利用酵母双杂交系统鉴定GmWRKY52和GmNF-YA13之间的互作关系。结果显示:GmWRKY52基因全长1 163 bp,编码1个由265个氨基酸组成的蛋白质,多序列比对和系统发育树分析结果说明GmWRKY52基因与野生大豆GsWRKY69(XP_028186817.1)亲缘关系较近。酵母双杂交结果表明GmWRKY52和GmNF-YA13蛋白不存在相互作用。研究结果说明GmWRKY52与GmNF-YA13蛋白在酵母细胞内并不发生互作。

     

    Abstract: WRKY transcription factor plays an important role in the regulation of plant growth and stress response. A WRKY protein GmWRKY52(NP_001237726.2), which may interact with GmNF-YA13, was found by screening the soybean cDNA library after drought treatment by yeast two-hybrid. For identifying any potential interactions between the two, this study cloned GmWRKY52 and carried out bioinformatics analysis, identified the interaction between GmWRKY52 and GmNF-YA13 by yeast two-hybrid. The results showed that the GmWRKY52 gene was 1 163 bp in full length and encoded a protein composed of 265 amino acids. And the multi-sequence alignment and phylogenetic tree analysis showed that GmWRKY52 was closely related to wild soybean GsWRKY69(XP_028186817.1). Yeast two-hybrid results showed no interaction between the GmWRKY52 and GmNF-YA13 proteins. The results show that GmWRKY52 and the GmNF-YA13 protein do not interact within yeast cells.

     

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