Results 151 to 160 of about 1,863 (180)

How do cryptochromes and UVR8 interact in natural and simulated sunlight? [PDF]

Journal of Experimental Botany, 2019
Cryptochromes (CRYs) and UV RESISTANCE LOCUS 8 (UVR8) photoreceptors perceive UV-A/blue (315-500 nm) and UV-B (280-315 nm) radiation in plants, respectively.
Fang Wang, Anders V Lindfors, Andreas Albert   +2 more
exaly   +2 more sources

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Expression of Tomato UVR8 in Arabidopsis reveals conserved photoreceptor function

Plant Science, 2021
UV RESISTANCE LOCUS 8 (UVR8) is a photoreceptor that regulates UV-B photomorphogenesis in plants. UV-B photon perception promotes UVR8 homodimer dissociation into monomer, which is reverted to homodimer post UV-B, forming a complete photocycle. UVR8 monomer interacts with CONSTITUTIVELY PHOTOMORPHOGENEIC 1 (COP1) to initiate UV-B signaling.
Ruohe Yin, Huoying Chen, Xiaorui Liu
exaly   +3 more sources

Illuminating the Nucleus: UVR8 Interacts with More

Trends in Plant Science, 2018
Ultraviolet-B (UV-B) light suppresses hypocotyl elongation. Although UV-B photo-perception mechanisms have been well investigated, the signaling events from UV-B photoreceptor to downstream transcription are largely unknown. Two recent papers illustrate that the UV-B photoreceptor directly inhibits its interacting transcription factors and reveal the ...
Kaiwen, Sun, Ziqiang, Zhu
openaire   +2 more sources

Degradation of the transcription factors PIF4 and PIF5 under UV‐B promotes UVR8‐mediated inhibition of hypocotyl growth in Arabidopsis

Plant Journal, 2020
Inhibition of hypocotyl growth is a well-established UV-B-induced photomorphogenic response that is mediated by the UV-B photoreceptor UV RESISTANCE LOCUS 8 (UVR8). However, the molecular mechanism by which UVR8 signaling triggers inhibition of hypocotyl
Roman Ulm, Eleni Tavridou, Marie Pireyre   +2 more
exaly   +2 more sources

UVR8 in Arabidopsis thaliana regulates multiple aspects of cellular differentiation during leaf development in response to ultraviolet B radiation

New Phytologist, 2009
Responses specific to ultraviolet B (UV-B) wavelengths are still poorly understood, both in terms of initial signalling and effects on morphogenesis. Arabidopsis thaliana UV RESISTANCE LOCUS8 (UVR8) is the only known UV-B specific signalling component ...
John H Doonan, Nigel Paul, Gareth Jenkins   +2 more
exaly   +2 more sources

UV-B Response: When UVR8 Meets MYBs

Trends in Plant Science, 2020
Although it is well known that plants respond to UV-B light, how UV-B regulates plant growth and development in an organ-specific manner remains unknown. Two recent reports by Yang et al. and Qian et al. show that the UV-B photoreceptor UVR8 interacts with different MYB transcription factors in arabidopsis (A.
Yang, Xu, Ziqiang, Zhu
openaire   +2 more sources

Structural basis of ultraviolet-B perception by UVR8

Nature, 2012
The Arabidopsis thaliana protein UVR8 is a photoreceptor for ultraviolet-B. Upon ultraviolet-B irradiation, UVR8 undergoes an immediate switch from homodimer to monomer, which triggers a signalling pathway for ultraviolet protection. The mechanism by which UVR8 senses ultraviolet-B remains largely unknown.
Di, Wu, Qi, Hu, Zhen, Yan, Wen, Chen, Chuangye, Yan, Xi, Huang, Jing, Zhang, Panyu, Yang, Haiteng, Deng, Jiawei, Wang, XingWang, Deng, Yigong, Shi   +11 more
openaire   +2 more sources

UVR8 Interacts with BES1 and BIM1 to Regulate Transcription and Photomorphogenesis in Arabidopsis [PDF]

Developmental Cell, 2018
UV-B light (UV-B radiation) is known to inhibit plant growth, but the mechanism is not well understood. UVR8 (UV RESISTANCE LOCUS 8) is a UV-B light photoreceptor that mediates UV-B light responses in plants. We report here that UV-B inhibits plant growth by repressing plant steroid hormone brassinosteroid (BR)-promoted plant growth.
Yu Yang, Yao Peng, Xi Huang
exaly   +3 more sources

Detection of UVR8 Homodimers and Monomers by Immunoblotting Analysis in Tomato

2021
The UV RESISTANCE LOCUS 8 (UVR8) is a photoreceptor mediating photomorphogenic responses to UV-B. UVR8 exists as homodimer in plants and UV-B induces dissociation of dimeric UVR8 into monomers to initiate responses. The monomer/dimer status of UVR8 is reversible and a dynamic photo-equilibrium is established in plants according to the ambient light ...
Guoqian, Yang, Xiaorui, Liu, Li, Lin
openaire   +2 more sources

Perception of UV-B by the Arabidopsis UVR8 Protein

Science, 2011
A plant ultraviolet-B photoreceptor uses a tryptophan-based chromophore.
Rizzini, Luca, Favory, Jean-Jacques, Cloix, Catherine, Faggionato, Davide, O'Hara, Andrew, Kaiserli, Eirini, Baumeister, Ralf, Schäfer, Eberhard, Nagy, Ferenc, Jenkins, Gareth I, Ulm, Roman   +10 more
openaire   +3 more sources