Unknown,Transcriptomics,Genomics,Proteomics

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Genome-wide transcriptome analysis bZIP29 dominant negative repressor line in root tips of Arabidopsis


ABSTRACT: The Arabidopsis basic leucine zipper transcription factor bZIP29 of the bZIP group I TF family, expressed mainly in proliferative tissues, is functionally characterized in this study. In roots, bZIP29 is highly expressed in the quiescent centre and the columella cells of the root apical meristem. Mutant analyses demonstrate that bZIP29 regulates root meristem cell number and root gravitropic responses. RNA-seq transcriptome profiling of the root meristem shows that bZIP29 target genes are linked to cell wall organization, and that gene regulatory networks controlling proper root meristem organization are intensively rewired upon its perturbation.

INSTRUMENT(S): Illumina HiSeq 2000

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Plant Systems Biology data submission 

PROVIDER: E-MTAB-3755 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Plant bZIP group I transcription factors have been reported mainly for their role during vascular development and osmosensory responses. Interestingly, bZIP29 has been identified in a cell cycle interactome, indicating additional functions of bZIP29 in plant development. Here, bZIP29 was functionally characterized to study its role during plant development. It is not present in vascular tissue but is specifically expressed in proliferative tissues. Genome-wide mapping of bZIP29 target genes conf  ...[more]

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