Light-regulated nucleo-cytoplasmic partitioning of phytochromes

Eva Kevei, Eberhard Schafer, Ferenc Nagy

Research output: Contribution to journalReview article

44 Citations (Scopus)

Abstract

Phytochrome photoreceptors regulate development, growth, and fitness throughout the entire life-cycle of plants, from seed germination to flowering, by regulating expression patterns of ∼10-30% of the entire plant transcriptome. Identification of components and elucidation of the molecular mechanisms underlying phytochrome-controlled signal transduction cascades have therefore attracted considerable attention. Phytochrome-controlled signalling is a complex cellular process; it starts with the light-induced intramolecular conformational change of the photoreceptor and includes regulated partitioning and degradation of signalling components and of the photoreceptors themselves. In this review, the data available about light quality- and quantity-dependent nucleo-cytoplasmic partitioning of phytochromes is summarized and the possible function of phytochrome-containing nuclear complexes, termed nuclear bodies, in red/far-red light-induced signalling is discussed.

Original languageEnglish
Pages (from-to)3113-3124
Number of pages12
JournalJournal of experimental botany
Volume58
Issue number12
DOIs
Publication statusPublished - Oct 1 2007

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Keywords

  • Light signalling
  • Nuclear import
  • Phytochromes

ASJC Scopus subject areas

  • Physiology
  • Plant Science

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