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Nat Rev Genet. 2007 Mar;8(3):217-30.

Light-regulated transcriptional networks in higher plants.

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Department of Molecular, Cellular and Developmental Biology, 165 Prospect Street, Yale University, New Haven, Connecticut 06520-8104, USA.


Plants have evolved complex and sophisticated transcriptional networks that mediate developmental changes in response to light. These light-regulated processes include seedling photomorphogenesis, seed germination and the shade-avoidance and photoperiod responses. Understanding the components and hierarchical structure of the transcriptional networks that are activated during these processes has long been of great interest to plant scientists. Traditional genetic and molecular approaches have proved powerful in identifying key regulatory factors and their positions within these networks. Recent genomic studies have further revealed that light induces massive reprogramming of the plant transcriptome, and that the early light-responsive genes are enriched in transcription factors. These combined approaches provide new insights into light-regulated transcriptional networks.

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