Upstream promoter sequences of Arabidopsis GH3 gene family

doi:10.7523/j.issn.2095-6134.2010.6.017

Abstract

Abstract:

GH3 genes belong to a primary auxin-response gene family. The 10 promoter sequences of Arabidopsis GH3 genes were analyzed using bioinformatics method. The results show that the transcription start site of these genes is generally 65~145bp away from the start codon, and the TATA boxes are located in the (-24)-(-40)bp. MDB and MatInspector analyses show that most upstream regions of these GH3 genes contain the cis-elements required for tissue and organ-specific expression responding to phytohormones and external environment, indicating that the expressions of GH3 genes are strictly controlled by multi-factors. Gene chip data show that AuxREs is very important for GH3 genes in response to IAA treatment,but it is not the unique cis-element for auxin response.

Key words: GH3 gene, promoter sequence, cis-element

CLC Number:

Q９４３

SUN Tao, CHAI Tuan-Yao, ZHANG Yu-Xiu. Upstream promoter sequences of Arabidopsis GH3 gene family[J]. , 2010, 27(6): 847-852.

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