Genome-wide Identification and Function Analysis of SBP Gene Family in Maize

【Abstract】 SBP gene family, as a group of plant-specific transcription factors (TFs), is involved in plant growth and development as well as many physiological and biochemical processes. Recently, SBP TFs has been identified in multiple plants, such as Arabidopsis thaliana and Oryza sativa. However, there is little report on the systematic analysis of SBP TFs gene family in maize (Zea mays L.). In this study, based on homology sequence alignment, we aligned all known SBP TFs from Arabidopsis thaliana and Oryza sativa with those from maize genome sequence to mine novel SBP TFs in maize. A total of 37 SBP TFs distributed in nine chromosomes were identified. Phylogenetic analysis indicated that SBP transcription factor genes have stronger homology, especially between Zea mays and Oryza sativa. Moreover, analysis of cis elements in promoters of those SBP TFs demonstrated that they might involve in plant growth and development, morphogenesis, stress response, development of flower organs and photosynthesis etc. It is possible that SBP TFs regulate plant growth and development through the multiple hormone signaling pathway, such as gibberellin, auxin, abscisic acid, and salicylic acid.

【Keywords】 Maize; SBP TFs gene family; Bioinformatics;

【DOI】

【Funds】 National High Technology Research and Development Program of China (863 Program) (2012AA10A307) supported by the National High Technology Research and Development Program of China(863 Program)(2012AA10A307) Young Scientists Fund of the Science and Technology Department of Sichuan Province (2015JQO021) the grants for Young Scientists from Science and Technology Department of Sichuan Province(2015JQO021)

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(Translated by 白小东)

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This Article

ISSN:0496-3490

CN: 11-1809/S

Vol , No. 02, Pages 201-211

February 2016

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Article Outline

Abstract

  • 1 Materials and methods
  • 2 Results and analysis
  • 3 Discussion
  • 4 Conclusion
  • References