LIU Dong-dong,WANG Yang,BAI Xi.Bioinformatics Analysis on Transcription Factor Glyma08g02580 and Its Homology Proteins[J].Soybean Science,2014,33(05):648-653.[doi:10.11861/j.issn.1000-9841.2014.05.0648]
大豆Glyma08g02580及其同源蛋白的生物信息学分析
- Title:
- Bioinformatics Analysis on Transcription Factor Glyma08g02580 and Its Homology Proteins
- 文章编号:
- 1000-9841.2014.05.0648
- Keywords:
- WRKY; Transcription factor; Bioinformatics; Phylogenetic analysis; Gene expression profile
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- WRKY蛋白是一个植物特有的转录因子,最古老的WRKY转录因子具有2个高度保守的WRKY结构域,大概起源于15亿~20亿年前的真核生物。虽然所有的WRKY蛋白质主要通过特异地结合靶基因启动子区域的W盒序列而调控其表达,但各家族成员的生物学功能存在着各自的特异性。通过生物信息学方法,结合大豆基因组数据库、高等植物基因组注释数据库和NCBI等相关数据库,识别、筛选并获得了大豆WRKY基因家族的蛋白序列,以实验室前期克隆得到大豆基因Glyma08g02580.1为目的基因,分析其在拟南芥、水稻等高等植物中的同源蛋白,并对其进行了系统进化分析;同时利用GEO的芯片数据对大豆在碱胁迫下的根和叶基因表达谱进行了分析,通过相关分析,获得了大豆基因组中全部的WRKY蛋白及对应的分类结果,由表达谱分析结果进一步证明了WRKY基因表达的组织特异性。
- Abstract:
- Genes containing the WRKY domain are plant-specific transcriptional regulators and are expressed in various developmental stages and tissues.The most archaic WRKY transcription factors,which may originate some 1.5 billion to 2 billion years ago in eukaryotes,contain two highly conserved WRKY domain.Although all WRKY proteins regulate mainly the expression of target genes by specifically binding to the(T)(T)GACC(A/T)(W box)sequences of their promoter,the biological function of each member is specific.In the study,a bioinformatics analysis on WRKY family genes in Glycine max was performed.Based on bioinformatics methods,taking advantage of soybean database combined with public database(NCBI,TIGR,TAIR),196 WRKY protein from soybean genome and download gene expression profile from GEO database were identified.Meanwhile,197 homology protiens of Glyma08g02580.1 in other plants were identified,such as Arabidopsis and Oryza sativa.The phylogenetic of 197 WRKY family protein sequence and domain characteristics were analyzed.The results of the investigation could be definitely provide a significant foundation for further research on function analysis of Glycine max WRKY gene family.
参考文献/References:
[1]Chen L,Song Y,Li S,et al.The role of WRKY transcription facotors in plant abiotic stresses[J].Biochimica et Biophysica Acta,2012,1819(2):120-128.
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备注/Memo
基金项目:教育部高等学校博士学科点专项科研基金(20102325120002);国家自然科学基金(31371544);教育部科学技术研究重点项目(212049)。