Optically detected magnetic resonance (ODMR) of photoexcited triplet states

D Carbonera - Photosynthesis research, 2009 - Springer
Abstract Optically Detected Magnetic Resonance (ODMR) is a double resonance technique
which combines optical measurements (fluorescence, phosphorescence, absorption) with …

Understanding the energy transfer function of LHCII, the major light-harvesting complex of green plants

H van Amerongen, R van Grondelle - The journal of physical …, 2001 - ACS Publications
Since the crystal structure of the major light-harvesting complex II (LHCII) of green plants
was obtained by Kühlbrandt, Wang and Fujiyoshi (Nature 199 4, 367, 614− 621), this …

Carotenoid-binding sites of the major light-harvesting complex II of higher plants

R Croce, S Weiss, R Bassi - Journal of Biological Chemistry, 1999 - ASBMB
Recombinant light-harvesting complex II (LHCII) proteins with modified carotenoid
composition have been obtained byin vitro reconstitution of the Lhcb1 protein …

Photoprotection in the antenna complexes of photosystem II: role of individual xanthophylls in chlorophyll triplet quenching

M Mozzo, L Dall'Osto, R Hienerwadel, R Bassi… - Journal of Biological …, 2008 - ASBMB
In this work the photoprotective role of all xanthophylls in LHCII, Lhcb4, and Lhcb5 is
investigated by laser-induced Triplet-minus-Singlet (TmS) spectroscopy. The comparison of …

Zeaxanthin protects plant photosynthesis by modulating chlorophyll triplet yield in specific light-harvesting antenna subunits

L Dall'Osto, NE Holt, S Kaligotla, M Fuciman… - Journal of biological …, 2012 - ASBMB
Plants are particularly prone to photo-oxidative damage caused by excess light.
Photoprotection is essential for photosynthesis to proceed in oxygenic environments either …

EPR investigation of photoinduced radical pair formation and decay to a triplet state in a carotene− porphyrin− fullerene triad

D Carbonera, M Di Valentin, C Corvaja… - Journal of the …, 1998 - ACS Publications
The photochemistry of a molecular triad consisting of a porphyrin (P) covalently linked to a
carotenoid polyene (C) and a fullerene derivative (C60) has been studied at 20 K by time …

Eustigmatophyte model of red-shifted chlorophyll a absorption in light-harvesting complexes

A Agostini, D Bína, D Barcytė, M Bortolus… - Communications …, 2024 - nature.com
Photosynthetic organisms harvest light for energy. Some eukaryotic algae have specialized
in harvesting far-red light by tuning chlorophyll a absorption through a mechanism still to be …

Xanthophylls in light-harvesting complex II of higher plants: light harvesting and triplet quenching

EJG Peterman, CC Gradinaru, F Calkoen, JC Borst… - Biochemistry, 1997 - ACS Publications
A spectral and functional assignment of the xanthophylls in monomeric and trimeric light-
harvesting complex II of green plants has been obtained using HPLC analysis of the …

Differential roles of carotenes and xanthophylls in photosystem I photoprotection

S Cazzaniga, M Bressan, D Carbonera, A Agostini… - Biochemistry, 2016 - ACS Publications
Carotenes and their oxygenated derivatives, xanthophylls, are structural elements of the
photosynthetic apparatus and contribute to increasing both the light-harvesting and …

[HTML][HTML] Formation of radicals from singlet oxygen produced during photoinhibition of isolated light-harvesting proteins of photosystem II

S Rinalducci, JZ Pedersen, L Zolla - Biochimica et Biophysica Acta (BBA) …, 2004 - Elsevier
Electron spin resonance spectroscopy and liquid chromatography have been used to detect
radical formation and fragmentation of polypeptides during photoinhibition of purified major …