Transcriptomics,Multiomics

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Evolutionary dynamics of DNA-binding sites and direct target genes of a floral master regulatory transcription factor [RNA-Seq]


ABSTRACT: Plant development is controlled by transcription factors (TFs) which form complex gene-regulatory networks. Genome-wide TF DNA-binding studies revealed that these TFs have several thousands of binding sites in the Arabidopsis genome, and may regulate the expression of many genes directly. Given the importance of natural variation in plant developmental programs, there is a need to understand the molecular basis of this variation at the level of developmental gene regulation. However, until now, the evolutionary turnover and dynamics of TF binding sites among plant species has not yet experimentally determined. Here, we performed comparative ChIP-seq studies of the MADS-box TF SEPALLATA3 (SEP3) in inflorescences of two Arabidopsis species: A. thaliana and A. lyrata. Comparative RNA-seq analysis shows that the loss/gain of BSs is often followed by a change in gene expression.

OTHER RELATED OMICS DATASETS IN: PRJNA267853PRJNA267851PRJNA267854

ORGANISM(S): Arabidopsis thaliana Arabidopsis lyrata

PROVIDER: GSE63462 | GEO | 2015/10/11

SECONDARY ACCESSION(S): PRJNA267853

REPOSITORIES: GEO

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