Genomics

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Gene expression in pif1pif3pif4pif5 mutant under dark or red light conditions


ABSTRACT: Light initiates the seedling deetiolation transition by promoting major changes in gene expression mainly regulated by phytochrome (phy) photoreceptors. During the initial dark-to-light transition, phy photoactivation induces rapid changes in gene expression that eventually lead to the photomorphogenic development. Recent reports indicate that this process is achieved by phy-induced degradation of Phy-Interacting bHLH transcription Factors (PIFs) PIF1, PIF3 PIF4 and PIF5, which are partly redundant constitutive repressors of photomorphogenesis that accumulate in darkness. In order to test whether light/phy-regulated gene expression occurs through these PIFs, we have performed whole-genome expression analysis in the pif1pif3pif4pif5 quadruple mutant (pifq).

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE17159 | GEO | 2009/11/01

SECONDARY ACCESSION(S): PRJNA119655

REPOSITORIES: GEO

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