Mechanisms of cryptochrome-mediated photoresponses in plants

Q Wang, C Lin - Annual Review of Plant Biology, 2020 - annualreviews.org
Cryptochromes are blue-light receptors that mediate photoresponses in plants. The
genomes of most land plants encode two clades of cryptochromes, CRY1 and CRY2, which …

Sensing the light environment in plants: photoreceptors and early signaling steps

VC Galvão, C Fankhauser - Current opinion in neurobiology, 2015 - Elsevier
Plants must constantly adapt to a changing light environment in order to optimize energy
conversion through the process of photosynthesis and to limit photodamage. In addition …

[HTML][HTML] Photoreceptor-mediated regulation of the COP1/SPA E3 ubiquitin ligase

R Podolec, R Ulm - Current opinion in plant biology, 2018 - Elsevier
Highlights•The COP1/SPA E3 ubiquitin ligase is a repressor of photomorphogenesis.•The
COP1/SPA complex targets photomorphogenesis-promoting factors for proteolysis.•Active …

Light signaling and UV‐B‐mediated plant growth regulation

A Yadav, D Singh, M Lingwan… - Journal of Integrative …, 2020 - Wiley Online Library
Light plays an important role in plants' growth and development throughout their life cycle.
Plants alter their morphological features in response to light cues of varying intensity and …

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 …

A Maier, A Schrader, L Kokkelink, C Falke… - The Plant …, 2013 - Wiley Online Library
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 …

Plant flavoprotein photoreceptors

JM Christie, L Blackwood, J Petersen… - Plant and Cell …, 2015 - academic.oup.com
Plants depend on the surrounding light environment to direct their growth. Blue light (300–
500 nm) in particular acts to promote a wide variety of photomorphogenic responses …

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 domain …

Signaling mechanisms by Arabidopsis cryptochromes

J Ponnu, U Hoecker - Frontiers in Plant Science, 2022 - frontiersin.org
Cryptochromes (CRYs) are blue light photoreceptors that regulate growth, development, and
metabolism in plants. In Arabidopsis thaliana (Arabidopsis), CRY1 and CRY2 possess …

The photomorphogenic central repressor COP1: conservation and functional diversification during evolution

X Han, X Huang, XW Deng - Plant Communications, 2020 - cell.com
Green plants on the earth have evolved intricate mechanisms to acclimatize to and utilize
sunlight. In Arabidopsis, light signals are perceived by photoreceptors and transmitted …

Illuminating the COP1/SPA ubiquitin ligase: fresh insights into its structure and functions during plant photomorphogenesis

J Ponnu, U Hoecker - Frontiers in Plant Science, 2021 - frontiersin.org
CONSTITUTIVE PHOTOMORPHOGENIC 1 functions as an E3 ubiquitin ligase in plants and
animals. Discovered originally in Arabidopsis thaliana, COP1 acts in a complex with SPA …