Search Results - "Duffy, Christopher D.P."

The photoprotective molecular switch in the photosystem II antenna by Ruban, Alexander V., Johnson, Matthew P., Duffy, Christopher D.P.

“…We have reviewed the current state of multidisciplinary knowledge of the photoprotective mechanism in the photosystem II antenna underlying non-photochemical…”
Get full text

Photoprotective Energy Dissipation Involves the Reorganization of Photosystem II Light-Harvesting Complexes in the Grana Membranes of Spinach Chloroplasts by Johnson, Matthew P., Goral, Tomasz K., Duffy, Christopher D.P., Brain, Anthony P.R., Mullineaux, Conrad W., Ruban, Alexander V.

“…Plants must regulate their use of absorbed light energy on a minute-by-minute basis to maximize the efficiency of photosynthesis and to protect photosystem II…”
Get full text

Multimeric and monomeric photosystem II supercomplexes represent structural adaptations to low- and high-light conditions by Kim, Eunchul, Watanabe, Akimasa, Duffy, Christopher D.P., Ruban, Alexander V., Minagawa, Jun

“…An intriguing molecular architecture called the “semi-crystalline photosystem II (PSII) array” has been observed in the thylakoid membranes in vascular plants…”
Get full text

How carotenoid distortions may determine optical properties: lessons from the Orange Carotenoid Protein by Wei, Tiejun, Balevičius, Vytautas, Polívka, Tomás, Ruban, Alexander V, Duffy, Christopher D P

“…Carotenoids in photosynthetic proteins carry out the dual function of harvesting light and defending against photo-damage by quenching excess energy. The…”
Get more information

Dissipative pathways in the photosystem-II antenna in plants by Duffy, Christopher D.P., Ruban, Alexander V.

“…The antenna of photosystem II in plants possesses a remarkable functional flexibility, allowing for the photoprotective regulation of light-harvesting in the…”
Get full text

Structural Basis for Allosteric Regulation in the Major Antenna Trimer of Photosystem II by Daskalakis, Vangelis, Maity, Sayan, Hart, Cameron Lewis, Stergiannakos, Taxiarchis, Duffy, Christopher D. P, Kleinekathöfer, Ulrich

“…The allosteric regulation of protein function proves important in many life-sustaining processes. In plant photosynthesis, LHCII, the major antenna complex of…”
Get full text

A possible molecular basis for photoprotection in the minor antenna proteins of plants by Fox, Kieran F., Ünlü, Caner, Balevičius, Vytautas, Ramdour, Baboo Narottamsing, Kern, Carina, Pan, Xiaowei, Li, Mei, van Amerongen, Herbert, Duffy, Christopher D.P.

“…The bioenergetics of light-harvesting by photosynthetic antenna proteins in higher plants is well understood. However, investigation into the regulatory…”
Get full text

Switching light harvesting complex II into photoprotective state involves the lumen-facing apoprotein loop by Belgio, Erica, Duffy, Christopher D P, Ruban, Alexander V

“…In higher plants, high light conditions trigger the activation of non-photochemical quenching (NPQ), a process of photoprotective light energy dissipation, via…”
Get more information

A Protein Environment-Modulated Energy Dissipation Channel in LHCII Antenna Complex by Saccon, Francesco, Durchan, Milan, Bína, David, Duffy, Christopher D.P., Ruban, Alexander V., Polívka, Tomáš

“…The major light-harvesting complex of photosystem II (LHCII) is the main contributor to sunlight energy harvesting in plants. The flexible design of LHCII…”
Get full text

Origin of Absorption Changes Associated with Photoprotective Energy Dissipation in the Absence of Zeaxanthin by Ilioaia, Cristian, Johnson, Matthew P., Duffy, Christopher D.P., Pascal, Andrew A., van Grondelle, Rienk, Robert, Bruno, Ruban, Alexander V.

“…To prevent photo-oxidative damage to the photosynthetic membrane in strong light, plants dissipate excess absorbed light energy as heat in a mechanism known as…”
Get full text

Unravelling the fluorescence kinetics of light-harvesting proteins with simulated measurements by Gray, Callum, Kailas, Lekshmi, Adams, Peter G., Duffy, Christopher D.P.

“…The plant light-harvesting pigment-protein complex LHCII is the major antenna sub-unit of PSII and is generally (though not universally) accepted to play a…”
Get full text

Economic photoprotection in photosystem II that retains a complete light-harvesting system with slow energy traps by Belgio, Erica, Kapitonova, Ekaterina, Chmeliov, Jevgenij, Duffy, Christopher D. P., Ungerer, Petra, Valkunas, Leonas, Ruban, Alexander V.

“…The light-harvesting antenna of higher plant photosystem II has an intrinsic capability for self-defence against intense sunlight. The thermal dissipation of…”
Get full text

Photosynthesis under a red Sun: predicting the absorption characteristics of an extraterrestrial light-harvesting antenna by Duffy, Christopher D P, Canchon, Gregoire, Haworth, Thomas J, Gillen, Edward, Chitnavis, Samir, Mullineaux, Conrad W

“…ABSTRACT Here, we discuss the feasibility of photosynthesis on Earth-like rocky planets in close orbit around ultracool red dwarf stars. Stars of this type…”
Get full text

Understanding Carotenoid Dynamics via the Vibronic Energy Relaxation Approach by Šebelík, Václav, Duffy, Christopher D. P., Keil, Erika, Polívka, Tomáš, Hauer, Jürgen

“…Carotenoids are an integral part of natural photosynthetic complexes, with tasks ranging from light harvesting to photoprotection. Their underlying energy…”
Get full text

Excitation quenching in chlorophyll–carotenoid antenna systems: ‘coherent’ or ‘incoherent’ by Balevičius, Vytautas, Duffy, Christopher D. P.

“…Plants possess an essential ability to rapidly down-regulate light-harvesting in response to high light. This photoprotective process involves the formation of…”
Get full text

The full dynamics of energy relaxation in large organic molecules: from photo-excitation to solvent heating by Balevičius, Jr, Vytautas, Wei, Tiejun, Di Tommaso, Devis, Abramavicius, Darius, Hauer, Jürgen, Polívka, Tomas, Duffy, Christopher D P

“…In some molecular systems, such as nucleobases, polyenes or the active ingredients of sunscreens, substantial amounts of photo-excitation energy are dissipated…”
Get full text

Fine control of chlorophyll-carotenoid interactions defines the functionality of light-harvesting proteins in plants by Balevičius, Vytautas, Fox, Kieran F., Bricker, William P., Jurinovich, Sandro, Prandi, Ingrid G., Mennucci, Benedetta, Duffy, Christopher D. P.

“…Photosynthetic antenna proteins can be thought of as “programmed solvents”, which bind pigments at specific mutual orientations, thus tuning the overall…”
Get full text

Trivial Excitation Energy Transfer to Carotenoids Is an Unlikely Mechanism for Non-photochemical Quenching in LHCII by Gray, Callum, Wei, Tiejun, Polívka, Tomáš, Daskalakis, Vangelis, Duffy, Christopher D P

“…Higher plants defend themselves from bursts of intense light via the mechanism of Non-Photochemical Quenching (NPQ). It involves the Photosystem II (PSII)…”
Get full text

Light‐harvesting antenna composition controls the macrostructure and dynamics of thylakoid membranes in Arabidopsis by Goral, Tomasz K., Johnson, Matthew P., Duffy, Christopher D. P., Brain, Anthony P. R., Ruban, Alexander V., Mullineaux, Conrad W.

“…Summary We characterized a set of Arabidopsis mutants deficient in specific light‐harvesting proteins, using freeze‐fracture electron microscopy to probe the…”
Get full text

An 'all pigment' model of excitation quenching in LHCII by Chmeliov, Jevgenij, Bricker, William P, Lo, Cynthia, Jouin, Elodie, Valkunas, Leonas, Ruban, Alexander V, Duffy, Christopher D P

“…The rapid, photoprotective down-regulation of plant light-harvesting in bright light proceeds via the non-photochemical quenching of chlorophyll excitation…”
Get more information