Chapter 7. Phytochrome Signaling

  1. Prof. Dr. Winslow R. Briggs3 and
  2. Prof. Dr. John L. Spudich4
  1. Enamul Huq1 and
  2. Peter H. Quail2

Published Online: 26 SEP 2005

DOI: 10.1002/352760510X.ch7

Handbook of Photosensory Receptors

Handbook of Photosensory Receptors

How to Cite

Huq, E. and Quail, P. H. (2005) Phytochrome Signaling, in Handbook of Photosensory Receptors (eds W. R. Briggs and J. L. Spudich), Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, FRG. doi: 10.1002/352760510X.ch7

Editor Information

  1. 3

    Department of Plant Biology, Carnegie Institution of Washington, 260 Panama St., Stanford, CA 94305, USA

  2. 4

    Center for Membrane Biology, Department of Biochemistry & Molecular Biology, University of Texas Medical School, 6431 Fannin Street, MSB 6.130, Houston, TX 77030, USA

Author Information

  1. 1

    University of Texas at Austin, Section of Molecular Cell and Developmental Biology, and Institute Molecular Biology, University Station, A6700 Austin, TX 78712 USA

  2. 2

    University of California, Berkeley, Department of Plant and Microbial Biology and USDA/UCB Plant Gene Expression Center, 800 Buchanan St, Albany, CA 94710 USA

Publication History

  1. Published Online: 26 SEP 2005
  2. Published Print: 17 FEB 2005

ISBN Information

Print ISBN: 9783527310197

Online ISBN: 9783527605101



  • photosensory receptors;
  • phytochrome signaling;
  • photosensory functions of phytochromes;
  • biological functions of phytochromes


This chapter contains sections titled:

  • Introduction

  • Photosensory and Biological Functions of Individual Phytochromes

  • phy Domains Involved in Signaling

  • phy Signaling Components

    • Second Messenger Hypothesis

    • Genetically Identified Signaling Components

    • phy-Interacting Factors

    • Early phy-Responsive Genes

  • Biochemical Mechanism of Signal Transfer

  • phy Signaling and Circadian Rhythms

  • Future Prospects

  • Acknowledgements

  • References