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Function Annotation of an SBP-box Gene in Arabidopsis Based on Analysis of Co-expression Networks and Promoters

文献类型： 外文期刊

作者： Wang, Yi 1 ; Hu, Zongli 1 ; Yang, Yuxin 1 ; Chen, Xuqing 1 ; Chen, Guoping 1 ;

作者机构： 1.Chongqing Univ, Coll Bioengn, Chongqing 400030, Peoples R China

2.Beijing Res Ctr Agrobiotechnol, Beijing 100089, Peoples R China

关键词： Arabidopsis; SPL; co-expression; network; promoter

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）

ISSN： 1422-0067

年卷期： 2009 年 10 卷 1 期

页码：

收录情况： SCI

摘要： The SQUAMOSA PROMOTER BINDING PROTEIN-LIKE (SPL) gene family is an SBP-box transcription family in Arabidopsis. While several physiological responses to SPL genes have been reported, their biological role remains elusive. Here, we use a combined analysis of expression correlation, the interactome, and promoter content to infer the biological role of the SPL genes in Arabidopsis thaliana. Analysis of the SPL-correlated gene network reveals multiple functions for SPL genes. Network analysis shows that SPL genes function by controlling other transcription factor families and have relatives with membrane protein transport activity. The interactome analysis of the correlation genes suggests that SPL genes also take part in metabolism of glucose, inorganic salts, and ATP production. Furthermore, the promoters of the correlated genes contain a core binding cis-element (GTAC). All of these analyses suggest that SPL genes have varied functions in Arabidopsis.

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