User profiles for Ute Hoecker
 | Ute HoeckerProfessor of Plant Genetics, University of Cologne, Germany Verified email at uni-koeln.de Cited by 5601 |
Arabidopsis SPA proteins regulate photoperiodic flowering and interact with the floral inducer CONSTANS to regulate its stability
The four-member SPA protein family of Arabidopsis acts in concert with the E3 ubiquitin ligase
COP1 to suppress photomorphogenesis in dark-grown seedlings. Here, we demonstrate …
COP1 to suppress photomorphogenesis in dark-grown seedlings. Here, we demonstrate …
The COP1–SPA1 interaction defines a critical step in phytochrome A-mediated regulation of HY5 activity
Arabidopsis COP1 is a constitutive repressor of photomorphogenesis that interacts with
photomorphogenesis-promoting factors such as HY5 to promote their proteasome-mediated …
photomorphogenesis-promoting factors such as HY5 to promote their proteasome-mediated …
Light and the E3 ubiquitin ligase COP 1/SPA control the protein stability of the MYB transcription factors PAP 1 and PAP 2 involved in anthocyanin accumulation in …
Anthocyanins are natural pigments that accumulate only in light‐grown and not in dark‐grown
Arabidopsis plants. Repression of anthocyanin accumulation in darkness requires the …
Arabidopsis plants. Repression of anthocyanin accumulation in darkness requires the …
SPA1, a WD-repeat protein specific to phytochrome A signal transduction
The five members of the phytochrome photoreceptor family ofArabidopsis thaliana control
morphogenesis differentially in response to light. Genetic analysis has identified a signaling …
morphogenesis differentially in response to light. Genetic analysis has identified a signaling …
Light Regulates COP1-Mediated Degradation of HFR1, a Transcription Factor Essential for Light Signaling in Arabidopsis
J Yang, R Lin, J Sullivan, U Hoecker, B Liu, L Xu… - The Plant …, 2005 - academic.oup.com
Arabidopsis thaliana seedlings undergo photomorphogenesis in the light and etiolation in
the dark. Long Hypocotyl in Far-Red 1 (HFR1), a basic helix-loop-helix transcription factor, is …
the dark. Long Hypocotyl in Far-Red 1 (HFR1), a basic helix-loop-helix transcription factor, is …
The SPA quartet: a family of WD-repeat proteins with a central role in suppression of photomorphogenesis in Arabidopsis
S Laubinger, K Fittinghoff, U Hoecker - The Plant Cell, 2004 - academic.oup.com
… Ute Hoecker Ute Hoecker … , like SPA1, function as repressors of photomorphogenesis in
the light (Laubinger and Hoecker, 2003). In this study, we have investigated the function of the …
the light (Laubinger and Hoecker, 2003). In this study, we have investigated the function of the …
Integrated control of seed maturation and germination programs by activator and repressor functions of Viviparous-1 of maize.
The Viviparous-1 (VP1) transcriptional activator of maize is required for abscisic acid
induction of maturation-specific genes late in seed development leading to acquisition of …
induction of maturation-specific genes late in seed development leading to acquisition of …
Biochemical Characterization of Arabidopsis Complexes Containing CONSTITUTIVELY PHOTOMORPHOGENIC1 and SUPPRESSOR OF PHYA Proteins in Light …
COP1 (for CONSTITUTIVELY PHOTOMORPHOGENIC1) and the four partially redundant SPA
(for SUPPRESSOR OF PHYA) proteins work in concert to repress photomorphogenesis in …
(for SUPPRESSOR OF PHYA) proteins work in concert to repress photomorphogenesis in …
The activities of the E3 ubiquitin ligase COP1/SPA, a key repressor in light signaling
U Hoecker - Current opinion in plant biology, 2017 - Elsevier
Highlights • The COP1/SPA complex suppresses light signaling in darkness. • Functions of
the protein domains in COP1 and SPA proteins. • The structure of the COP1 WD-repeat …
the protein domains in COP1 and SPA proteins. • The structure of the COP1 WD-repeat …
[HTML][HTML] The Phytochrome A-specific Signaling Intermediate SPA1 Interacts Directly with COP1, a Constitutive Repressor of Light Signaling inArabidopsis
SPA1 is a phytochrome A (phyA)-specific signaling intermediate that acts as a light-dependent
repressor of photomorphogenesis in Arabidopsis seedlings. It contains a WD-repeat …
repressor of photomorphogenesis in Arabidopsis seedlings. It contains a WD-repeat …