[HTML][HTML] Changing color for photoprotection: the orange carotenoid protein

F Muzzopappa, D Kirilovsky - Trends in Plant Science, 2020 - cell.com
Under high irradiance, light becomes dangerous for photosynthetic organisms and they
must protect themselves. Cyanobacteria have developed a simple mechanism, involving a …

[HTML][HTML] Ultrafast laser spectroscopy uncovers mechanisms of light energy conversion in photosynthesis and sustainable energy materials

D Zigmantas, T Polívka, P Persson… - Chemical Physics …, 2022 - pubs.aip.org
The invention of the laser in 1960 gave us the ruby laser, which generally produced chaotic
pulses of light. Six years later, in 1966, a concept called passive mode-locking applied to …

Changing form and function through carotenoids and synthetic biology

ET Wurtzel - Plant physiology, 2019 - academic.oup.com
Changing Form and Function through Carotenoids and Synthetic Biology | Plant Physiology |
Oxford Academic Skip to Main Content Advertisement Oxford Academic Journals Books …

[HTML][HTML] Protein control of photochemistry and transient intermediates in phytochromes

G Salvadori, V Macaluso, G Pellicci, L Cupellini… - Nature …, 2022 - nature.com
Phytochromes are ubiquitous photoreceptors responsible for sensing light in plants, fungi
and bacteria. Their photoactivation is initiated by the photoisomerization of the embedded …

Photoactivation mechanism, timing of protein secondary structure dynamics and carotenoid translocation in the orange carotenoid protein

PE Konold, IHM Van Stokkum… - Journal of the …, 2018 - ACS Publications
The orange carotenoid protein (OCP) is a two-domain photoactive protein that noncovalently
binds an echinenone (ECN) carotenoid and mediates photoprotection in cyanobacteria. In …

[HTML][HTML] How orange carotenoid protein controls the excited state dynamics of canthaxanthin

A Arcidiacono, D Accomasso, L Cupellini… - Chemical …, 2023 - pubs.rsc.org
Orange Carotenoid Protein (OCP) is a ketocarotenoid-binding protein essential for
photoprotection in cyanobacteria. The main steps of the photoactivated conversion which …

Structural framework for the understanding spectroscopic and functional signatures of the cyanobacterial Orange Carotenoid Protein families

NN Sluchanko, EG Maksimov, YB Slonimskiy… - International Journal of …, 2024 - Elsevier
Abstract The Orange Carotenoid Protein (OCP) is a unique photoreceptor crucial for
cyanobacterial photoprotection. Best studied Synechocystis sp. PCC 6803 OCP belongs to …

Evaluation of chemical composition, antioxidant activity, and gut microbiota associated with pumpkin juice fermented by Rhodobacter sphaeroides

Y Wang, L Fan, J Huang, J Liang, X Wang, Y Ren, H Li… - Food Chemistry, 2023 - Elsevier
To prepare pumpkin juice (PJ) rich in coenzyme Q10, this study analyzed the chemical
composition, antioxidant activity, and gut microbiota of pumpkin juice fermented by …

Differential evolution reveals the effect of polar and nonpolar solvents on carotenoids: A case study of astaxanthin optical response modeling

DD Chesalin, EA Kulikov, IA Yaroshevich… - Swarm and Evolutionary …, 2022 - Elsevier
The task to simulate realistic absorption spectra of electronic transitions in pigment
molecules takes the form of the art of optimization, particularly if one must choose between …

The role of the local environment on the structural heterogeneity of carotenoid β-ionone rings

RY Pishchalnikov, IA Yaroshevich, DV Zlenko… - Photosynthesis …, 2023 - Springer
Our analysis of the X-ray crystal structure of canthaxanthin (CAN) showed that its ketolated β-
ionone rings can adopt two energetically equal, but structurally distinct puckers. Quantum …