ZHENG Xiao-min,ZHAO Jing-hui,LI Rong-chong,et al.Bioinformatics Analysis of Primary Auxin-Responsive Aux/IAA Gene Family in Brassica rapa[J].Northern Horticulture,2012,36(14):109-113.
芸薹属大白菜Aux/IAA基因家族的生物信息学分析
- Title:
- Bioinformatics Analysis of Primary Auxin-Responsive Aux/IAA Gene Family in Brassica rapa
- 文章编号:
- 1001-0009(2012)14-0109-05
- 关键词:
- 芸薹属大白菜; 生长素; Aux/IAA基因家族; 生物信息学分析
- Keywords:
- Brasscia rapa; Auxin; Aux/IAA gene family; bioinformatic analysis
- 分类号:
- S 634.1
- 文献标志码:
- A
- 摘要:
- Aux/IAA基因家族在生长素诱导的早期做出响应，是生长素早期应答的3类基因家族之一。现主要从基因组水平研究白菜Aux/IAA基因的分布及特征。结果表明：从BRAD共检测到59条白菜Aux/IAA基因,不均等分布在白菜的全部10条染色体上。通过多重比对和基序探测结果显示,40条白菜Aux/IAA基因具有4个保守基序，其它基因的保守基序则有不同程度的分化。系统进化分析表明,Aux/IAA基因家族可分为7个亚家族。通过表达模式预测发现,白菜Aux/IAA基因家族表达模式也有较大差异。
- Abstract:
- Aux/IAA gene family is one of three gene families which are responsive primarily to auxin induction.The isolation and characterization of Brassica rapa Aux/IAA genes in whole-genome scale were presented.The results showed that a total of 59 Aux/IAA genes of Brassica rapa were identied from BRAD.Aux/IAA genes were unequally distributed in all the Brassica rapa chromosomes.Multiple alignment and motif display results revealed 40 Aux/IAA genes of Brassica rapa share all the four conserved domains,and others had evoluted differently.Phylogenetic analysis indicated Aux/IAA family could be divided into seven subfamilies.Expression patterns prediction showed that Aux/IAA genes′ expression patterns were much different.The results will be helpful to the auxin signal transduction cascade research.
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备注/Memo
第一作者简介：郑小敏（1987-），女，在读硕士，现主要从事生物化学与分子生物学研究工作。E-mail：hzxm0316@163.com.
责任作者：张涛（1971-），男，博士，教授，现主要从事植物遗传与细胞生物学研究工作。E-mail：zht2188@126.com.
基金项目：国家自然科学基金资助项目（31171588）；重庆市高等教育教学改革研究资助项目 (103116)。
收稿日期：2012-04-09