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TCP蛋白是植物特有的转录因子家族之一,在植物生长和发育等多个过程起到重要作用。本研究利用生物信息学方法对砀山酥梨TCP基因家族成员、染色体定位、进化分析、亚组分类、保守域结构和保守元件进行了相关分析。结果显示,梨TCP基因家族含有34个成员;进化分析表明,根据进化树拓扑结构将其分为两类:ClassⅠ和ClassⅡ,其中ClassⅡ可被分为CYC/TB1和CIN两个小组。结构域分析表明,梨TCP基因家族TCP结构域高度保守;保守元件分析表明,梨TCP基因家族包含5个保守元件:元件1是TCP保守域;元件2为R结构域,元件3、4和5为功能尚未鉴定的结构域,所有梨TCP蛋白都含有元件1,ClassⅡ组中CYC/TB1小组包含特异元件2。以上结果将为今后揭示梨TCP基因的功能提供重要的理论基础。
Abstract:TCP prote in is one of the plant specific transcription factors, which plays an important role in the process of plant growth and development. In this research, we investigated the family members of TCP gene,chromosome loci, phylogenetic relationship, class classification, conserved domains and conserved motifs of Dangshan pear by using the bioinformatics methods. The results showed that the TCP gene family of pear contained 34 Pb TCP genes, which could be divided into two classes(Class Ⅰand Ⅱ) by phylogenetic analysis, and Class Ⅱ could be further classified into two subclasses(CYC/TB1 and CIN). Conserved domain analysis showed that the TCP domains of TCP-related genes family of pear were highly conserved. Conserved motif analysis revealed that TCP-related genes family of pear contained 5 motifs: motif 1 was TCP domain, motif 2 was R domain, and the residual 3 motifs were the fuction-unknown domains. All TCP proteins od pear contained motif 1,and the subclasses CYC/TB1 proteins of Class Ⅱ contained motif 2. This study would provide an important theoretical basis for further study on the function of TCP-related genes of pear.
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基本信息:
DOI:10.13417/j.gab.036.000766
中图分类号:Q943.2;S661.2
引用信息:
[1]冀志蕊,董庆龙,谷彦冰,等.砀山酥梨TCP基因家族全基因组鉴定与分析[J].基因组学与应用生物学,2017,36(02):766-773.DOI:10.13417/j.gab.036.000766.
基金信息:
中国农业科学院创新工程(CAAS-ASTIP)资助
2017-02-25
2017-02-25