New insights of red light-induced development

András Viczián, Cornelia Klose, Éva Ádám, Ferenc Nagy

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The red/far-red light absorbing photoreceptors phytochromes regulate development and growth and thus play an essential role in optimizing adaptation of the sessile plants to the ever-changing environment. Our understanding of how absorption of a red/far-red photon by phytochromes initiates/modifies diverse physiological responses has been steadily improving. Research performed in the last 5years has been especially productive and led to significant conceptual changes about the mode of action of these photoreceptors. In this review, we focus on the phytochrome B photoreceptor, the major phytochrome species active in light-grown plants. We discuss how its light-independent inactivation (termed dark/thermal reversion), post-translational modification, including ubiquitination, phosphorylation and sumoylation, as well as heterodimerization with other phytochrome species modify red light-controlled physiological responses. Finally, we discuss how photobiological properties of phytochrome B enable this photoreceptor to function also as a thermosensor.

Original languageEnglish
JournalPlant Cell and Environment
DOIs
Publication statusAccepted/In press - 2017

Keywords

  • Dark reversion
  • Phosphorylation
  • Photomorphogenesis
  • Phytochrome B
  • SUMO
  • Temperature sensing

ASJC Scopus subject areas

  • Physiology
  • Plant Science

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