Title |
Patterns and evolution of ACGT repeat cis-element landscape across four plant genomes
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Published in |
BMC Genomics, March 2013
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DOI | 10.1186/1471-2164-14-203 |
Pubmed ID | |
Authors |
Rajesh Mehrotra, Sachin Sethi, Ipshita Zutshi, Purva Bhalothia, Sandhya Mehrotra |
Abstract |
Transcription factor binding is regulated by several interactions, primarily involving cis-element binding. These binding sites maintain specificity by means of their sequence, and other additional factors such as inter-motif distance and spacer specificity. The ACGT core sequence has been established as a functionally important cis-element which frequently regulates gene expression in synergy with other cis-elements. In this study, we used two monocotyledonous - Oryza sativa and Sorghum bicolor, and two dicotyledonous species - Arabidopsis thaliana and Glycine max to analyze the conservation of co-occurring ACGT core elements in plant promoters with respect to spacer distance between them. Using data generated from Arabidopsis thaliana and Oryza sativa, we also identified conserved regions across all spacers and possible conditions regulating gene promoters with multiple ACGT cis-elements. |
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