SPA proteins: SPAnning the gap between visible light and gene expression

Plant Phototropic Growth

(2015) Christian Fankhauser et al.   CURRENT BIOLOGY

A cop1 spa Mutant Deficient in COP1 and SPA Proteins Reveals Partial Co-Action of COP1 and SPA during Arabidopsis Post-Embryonic Development and Photomorphogenesis

(2015) Natalia Ordoñez-Herrera et al.   Molecular Plant

Red-Light-Dependent Interaction of phyB with SPA1 Promotes COP1–SPA1 Dissociation and Photomorphogenic Development in Arabidopsis

(2015) Xue-Dan Lu et al.   Molecular Plant

Phytochrome Signaling: Time to Tighten up the Loose Ends

(2015) Hai Wang et al.   Molecular Plant

Light-Activated Phytochrome A and B Interact with Members of the SPA Family to Promote Photomorphogenesis in Arabidopsis by Reorganizing the COP1/SPA Complex

(2015) David J. Sheerin et al.   PLANT CELL

Regulation of carotenoid biosynthesis by shade relies on specific subsets of antagonistic transcription factors and co-factors

(2015) Jordi Bou-Torrent et al.   PLANT PHYSIOLOGY

CUL4 forms an E3 ligase with COP1 and SPA to promote light-induced degradation of PIF1

(2015) Ling Zhu et al.   Nature Communications

The E3 Ubiquitin Ligase COP1 Regulates Thermosensory Flowering by Triggering GI Degradation in Arabidopsis

(2015) Kiyoung Jang et al.   Scientific Reports

Photoreceptor Specificity in the Light-Induced and COP1-Mediated Rapid Degradation of the Repressor of Photomorphogenesis SPA2 in Arabidopsis

(2015) Song Chen et al.   PLoS Genetics

Dynamic crystallography reveals early signalling events in ultraviolet photoreceptor UVR8

(2015) Xiaoli Zeng et al.   Nature Plants

Functional analysis of COP1 and SPA orthologs from Physcomitrella and rice during photomorphogenesis of transgenic Arabidopsis reveals distinct evolutionary conservation

(2014) Aashish Ranjan et al.   BMC PLANT BIOLOGY

Beyond repression of photomorphogenesis: role switching of COP/DET/FUS in light signaling

(2014) Xi Huang et al.   CURRENT OPINION IN PLANT BIOLOGY

Molecular mechanisms for mediating light-dependent nucleo/cytoplasmic partitioning of phytochrome photoreceptors

(2014) Cornelia Klose et al.   NEW PHYTOLOGIST

Plant Flavoprotein Photoreceptors

(2014) J. M. Christie et al.   PLANT AND CELL PHYSIOLOGY

The UV-B Photoreceptor UVR8: From Structure to Physiology

(2014) G. I. Jenkins   PLANT CELL

Arabidopsis DE-ETIOLATED1 Represses Photomorphogenesis by Positively Regulating Phytochrome-Interacting Factors in the Dark

(2014) J. Dong et al.   PLANT CELL

PHYTOCHROME INTERACTING FACTOR1 Enhances the E3 Ligase Activity of CONSTITUTIVE PHOTOMORPHOGENIC1 to Synergistically Repress Photomorphogenesis in Arabidopsis

(2014) X. Xu et al.   PLANT CELL

PIFs: Systems Integrators in Plant Development

(2014) P. Leivar et al.   PLANT CELL

Rapid Decline in Nuclear COSTITUTIVE PHOTOMORPHOGENESIS1 Abundance Anticipates the Stabilization of Its Target ELONGATED HYPOCOTYL5 in the Light

(2014) M. Pacin et al.   PLANT PHYSIOLOGY

The B-Box Family Gene STO (BBX24) in Arabidopsis thaliana Regulates Flowering Time in Different Pathways

(2014) Feng Li et al.   PLoS One

PHYTOCHROME C plays a major role in the acceleration of wheat flowering under long-day photoperiod

(2014) A. Chen et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

A mutually assured destruction mechanism attenuates light signaling in Arabidopsis

(2014) W. Ni et al.   SCIENCE

Photoreceptor Signaling Networks in Plant Responses to Shade

(2013) Jorge J. Casal   Annual Review of Plant Biology

Auxin-mediated plant architectural changes in response to shade and high temperature

(2013) Mieke de Wit et al.   PHYSIOLOGIA PLANTARUM

The Arabidopsis B-BOX Protein BBX25 Interacts with HY5, Negatively Regulating BBX22 Expression to Suppress Seedling Photomorphogenesis

(2013) S. N. Gangappa et al.   PLANT CELL

HFR1 Sequesters PIF1 to Govern the Transcriptional Network Underlying Light-Initiated Seed Germination in Arabidopsis

(2013) H. Shi et al.   PLANT CELL

ArabidopsisPhytochrome B Promotes SPA1 Nuclear Accumulation to Repress Photomorphogenesis under Far-Red Light

(2013) Xu Zheng et al.   PLANT CELL

Light and the E3 ubiquitin ligase COP1/SPA control the protein stability of the MYB transcription factors PAP1 and PAP2 involved in anthocyanin accumulation in Arabidopsis

(2013) Alexander Maier et al.   PLANT JOURNAL

COP1 re-accumulates in the nucleus under shade

(2013) Manuel Pacín et al.   PLANT JOURNAL

Conditional Involvement of CONSTITUTIVE PHOTOMORPHOGENIC1 in the Degradation of Phytochrome A

(2013) D. Debrieux et al.   PLANT PHYSIOLOGY

Phytochrome C Is A Key Factor Controlling Long-Day Flowering in Barley

(2013) H. Nishida et al.   PLANT PHYSIOLOGY

Constitutively active UVR8 photoreceptor variant in Arabidopsis

(2013) M. Heijde et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Conversion from CUL4-based COP1-SPA E3 apparatus to UVR8-COP1-SPA complexes underlies a distinct biochemical function of COP1 under UV-B

(2013) X. Huang et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Multiple bHLH Proteins form Heterodimers to Mediate CRY2-Dependent Regulation of Flowering-Time in Arabidopsis

(2013) Yawen Liu et al.   PLoS Genetics

Linking photoreceptor excitation to changes in plant architecture

(2012) L. Li et al.   GENES & DEVELOPMENT

Phytochrome Signaling in Green Arabidopsis Seedlings: Impact Assessment of a Mutually Negative phyB–PIF Feedback Loop

(2012) Pablo Leivar et al.   Molecular Plant

A Short Amino-Terminal Part of Arabidopsis Phytochrome A Induces Constitutive Photomorphogenic Response

(2012) András Viczián et al.   Molecular Plant

LOV Domain-Containing F-Box Proteins: Light-Dependent Protein Degradation Modules in Arabidopsis

(2012) Shogo Ito et al.   Molecular Plant

Structural basis of ultraviolet-B perception by UVR8

(2012) Di Wu et al.   NATURE

Degradation ofArabidopsisCRY2 Is Regulated by SPA Proteins and Phytochrome A

(2012) Guido Weidler et al.   PLANT CELL

Phytochrome interacting factors 4 and 5 control seedling growth in changing light conditions by directly controlling auxin signaling

(2012) Patricia Hornitschek et al.   PLANT JOURNAL

Phytochrome B inhibits binding of phytochrome-interacting factors to their target promoters

(2012) Eunae Park et al.   PLANT JOURNAL

Arabidopsis COP1 and SPA Genes Are Essential for Plant Elongation But Not for Acceleration of Flowering Time in Response to a Low Red Light to Far-Red Light Ratio

(2012) S. Rolauffs et al.   PLANT PHYSIOLOGY

Mechanism of action and activity regulation of COP1, a constitutive repressor of photomorphogenesis

(2012) O. G. Smirnova et al.   RUSSIAN JOURNAL OF PLANT PHYSIOLOGY

Plant UVR8 Photoreceptor Senses UV-B by Tryptophan-Mediated Disruption of Cross-Dimer Salt Bridges

(2012) J. M. Christie et al.   SCIENCE

The photomorphogenic repressors COP1 and DET1: 20 years later

(2012) On Sun Lau et al.   TRENDS IN PLANT SCIENCE

PIF4–Mediated Activation of YUCCA8 Expression Integrates Temperature into the Auxin Pathway in Regulating Arabidopsis Hypocotyl Growth

(2012) Jiaqiang Sun et al.   PLoS Genetics

The Cryptochromes: Blue Light Photoreceptors in Plants and Animals

(2011) Inês Chaves et al.   Annual Review of Plant Biology

Functional Characterization of HY5 Homolog Genes Involved in Early Light-Signaling inPhyscomitrella patens

(2011) Saori YAMAWAKI et al.   BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY

Photoconversion and Nuclear Trafficking Cycles Determine Phytochrome A's Response Profile to Far-Red Light

(2011) Julia Rausenberger et al.   CELL

Blue Light-Dependent Interaction of CRY2 with SPA1 Regulates COP1 activity and Floral Initiation in Arabidopsis

(2011) Zecheng Zuo et al.   CURRENT BIOLOGY

Arabidopsis cryptochrome 1 interacts with SPA1 to suppress COP1 activity in response to blue light

(2011) B. Liu et al.   GENES & DEVELOPMENT

Blue-light-dependent interaction of cryptochrome 1 with SPA1 defines a dynamic signaling mechanism

(2011) H.-L. Lian et al.   GENES & DEVELOPMENT

Genome-Wide Analysis of Light-Dependent Transcript Accumulation Patterns during Early Stages of Arabidopsis Seedling Deetiolation

(2011) F. Peschke et al.   PLANT PHYSIOLOGY

COP1-Mediated Degradation of BBX22/LZF1 Optimizes Seedling Development in Arabidopsis

(2011) C.-S. J. Chang et al.   PLANT PHYSIOLOGY

PHYTOCHROME-INTERACTING FACTOR 4 (PIF4) regulates auxin biosynthesis at high temperature

(2011) K. A. Franklin et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Integration of low temperature and light signaling during cold acclimation response in Arabidopsis

(2011) R. Catala et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Perception of UV-B by the Arabidopsis UVR8 Protein

(2011) L. Rizzini et al.   SCIENCE

The action mechanisms of plant cryptochromes

(2011) Hongtao Liu et al.   TRENDS IN PLANT SCIENCE

Plant hormone signaling lightens up: integrators of light and hormones

(2010) On Sun Lau et al.   CURRENT OPINION IN PLANT BIOLOGY

Integration of Light- and Brassinosteroid-Signaling Pathways by a GATA Transcription Factor in Arabidopsis

(2010) Xiao-Min Luo et al.   DEVELOPMENTAL CELL

Arabidopsis PHYTOCHROME INTERACTING FACTOR Proteins Promote Phytochrome B Polyubiquitination by COP1 E3 Ligase in the Nucleus

(2010) I.-C. Jang et al.   PLANT CELL

Arabidopsis CULLIN4-Damaged DNA Binding Protein 1 Interacts with CONSTITUTIVELY PHOTOMORPHOGENIC1-SUPPRESSOR OF PHYA Complexes to Regulate Photomorphogenesis and Flowering Time

(2010) H. Chen et al.   PLANT CELL

Light exposure of Arabidopsis seedlings causes rapid de-stabilization as well as selective post-translational inactivation of the repressor of photomorphogenesis SPA2

(2010) Martin Balcerowicz et al.   PLANT JOURNAL

Cryptochrome as a Sensor of the Blue/Green Ratio of Natural Radiation in Arabidopsis

(2010) Romina Sellaro et al.   PLANT PHYSIOLOGY

PIFs: pivotal components in a cellular signaling hub

(2010) Pablo Leivar et al.   TRENDS IN PLANT SCIENCE

phytochrome B and PIF4 Regulate Stomatal Development in Response to Light Quantity

(2009) Stuart A. Casson et al.   CURRENT BIOLOGY

High Temperature-Mediated Adaptations in Plant Architecture Require the bHLH Transcription Factor PIF4

(2009) Maria A. Koini et al.   CURRENT BIOLOGY

Inhibition of the shade avoidance response by formation of non-DNA binding bHLH heterodimers

(2009) Patricia Hornitschek et al.   EMBO JOURNAL

Interaction of COP1 and UVR8 regulates UV-B-induced photomorphogenesis and stress acclimation in Arabidopsis

(2009) Jean-Jacques Favory et al.   EMBO JOURNAL

Definition of Early Transcriptional Circuitry Involved in Light-Induced Reversal of PIF-Imposed Repression of Photomorphogenesis in Young Arabidopsis Seedlings

(2009) P. Leivar et al.   PLANT CELL

Phytochrome interacting factors 4 and 5 redundantly limit seedling de-etiolation in continuous far-red light

(2009) Séverine Lorrain et al.   PLANT JOURNAL

Phytochromes promote seedling light responses by inhibiting four negatively-acting phytochrome-interacting factors

(2009) J. Shin et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Multiple Phytochrome-Interacting bHLH Transcription Factors Repress Premature Seedling Photomorphogenesis in Darkness

(2008) Pablo Leivar et al.   CURRENT BIOLOGY

Arabidopsis COP1 shapes the temporal pattern of CO accumulation conferring a photoperiodic flowering response

(2008) Seonghoe Jang et al.   EMBO JOURNAL

COP1 and ELF3 Control Circadian Function and Photoperiodic Flowering by Regulating GI Stability

(2008) Jae-Woong Yu et al.   MOLECULAR CELL

Biochemical Characterization of Arabidopsis Complexes Containing CONSTITUTIVELY PHOTOMORPHOGENIC1 and SUPPRESSOR OF PHYA Proteins in Light Control of Plant Development

(2008) D. Zhu et al.   PLANT CELL

COP1-Mediated Ubiquitination of CONSTANS Is Implicated in Cryptochrome Regulation of Flowering in Arabidopsis

(2008) L.-J. Liu et al.   PLANT CELL

Photoexcited CRY2 Interacts with CIB1 to Regulate Transcription and Floral Initiation in Arabidopsis

(2008) H. Liu et al.   SCIENCE

Regulation of Cullin RING Ligases

(2007) Sara K. Hotton et al.   Annual Review of Plant Biology