Search Results - "van Stokkum, Ivo"
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1
Identification of a mechanism of photoprotective energy dissipation in higher plants
Published in Nature (22-11-2007)“…Under conditions of excess sunlight the efficient light-harvesting antenna1 found in the chloroplast membranes of plants is rapidly and reversibly switched…”
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2
Photoactivation Mechanism, Timing of Protein Secondary Structure Dynamics and Carotenoid Translocation in the Orange Carotenoid Protein
Published in Journal of the American Chemical Society (09-01-2019)“…The orange carotenoid protein (OCP) is a two-domain photoactive protein that noncovalently binds an echinenone (ECN) carotenoid and mediates photoprotection in…”
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3
Different carotenoid conformations have distinct functions in light-harvesting regulation in plants
Published in Nature communications (08-12-2017)“…To avoid photodamage plants regulate the amount of excitation energy in the membrane at the level of the light-harvesting complexes (LHCs). It has been…”
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4
The Role of the Individual Lhcas in Photosystem I Excitation Energy Trapping
Published in Biophysical journal (03-08-2011)“…In this work, we have investigated the role of the individual antenna complexes and of the low-energy forms in excitation energy transfer and trapping in…”
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5
Glotaran : A Java -Based Graphical User Interface for the R Package TIMP
Published in Journal of statistical software (2012)“…In this work the software application called Glotaran is introduced as a Java-based graphical user interface to the R package TIMP, a problem solving…”
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6
A Unified Experimental/Theoretical Description of the Ultrafast Photophysics of Single and Double Thionated Uracils
Published in Chemistry : a European journal (02-01-2020)“…Photoinduced processes in thiouracil derivatives have lately attracted considerable attention due to their suitability for innovative biological and…”
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7
Vibronic Wavepackets and Energy Transfer in Cryptophyte Light-Harvesting Complexes
Published in The journal of physical chemistry. B (21-06-2018)“…Determining the key features of high-efficiency photosynthetic energy transfer remains an ongoing task. Recently, there has been evidence for the role of…”
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8
Picosecond Kinetics of Light Harvesting and Photoprotective Quenching in Wild-Type and Mutant Phycobilisomes Isolated from the Cyanobacterium Synechocystis PCC 6803
Published in Biophysical journal (04-04-2012)“…In high light conditions, cyanobacteria dissipate excess absorbed energy as heat in the light-harvesting phycobilisomes (PBs) to protect the photosynthetic…”
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9
pH dependence, kinetics and light-harvesting regulation of nonphotochemical quenching in Chlamydomonas
Published in Proceedings of the National Academy of Sciences - PNAS (23-04-2019)“…Sunlight drives photosynthesis but can also cause photodamage. To protect themselves, photosynthetic organisms dissipate the excess absorbed energy as heat, in…”
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10
Unraveling the Excited-State Dynamics and Light-Harvesting Functions of Xanthophylls in Light-Harvesting Complex II Using Femtosecond Stimulated Raman Spectroscopy
Published in Journal of the American Chemical Society (14-10-2020)“…Photosynthesis in plants starts with the capture of photons by light-harvesting complexes (LHCs). Structural biology and spectroscopy approaches have led to a…”
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11
Raman Vibrational Signatures of Excited States of Echinenone in the Orange Carotenoid Protein (OCP) and Implications for its Photoactivation Mechanism
Published in Journal of molecular biology (15-08-2024)“…[Display omitted] •Orange carotenoid protein (OCP) vibrational dynamics was observed by stimulated Raman spectroscopy.•Marked difference between excited state…”
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12
Confinement in crystal lattice alters entire photocycle pathway of the Photoactive Yellow Protein
Published in Nature communications (25-08-2020)“…Femtosecond time-resolved crystallography (TRC) on proteins enables resolving the spatial structure of short-lived photocycle intermediates. An open question…”
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13
Multiple retinal isomerizations during the early phase of the bestrhodopsin photoreaction
Published in Proceedings of the National Academy of Sciences - PNAS (19-03-2024)“…Bestrhodopsins constitute a class of light-regulated pentameric ion channels that consist of one or two rhodopsins in tandem fused with bestrophin ion channel…”
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14
Harvesting far-red light: Functional integration of chlorophyll f into Photosystem I complexes of Synechococcus sp. PCC 7002
Published in Biochimica et biophysica acta. Bioenergetics (01-08-2020)“…The heterologous expression of the far-red absorbing chlorophyll (Chl) f in organisms that do not synthesize this pigment has been suggested as a viable…”
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15
The Orange Carotenoid Protein Triggers Cyanobacterial Photoprotection by Quenching Bilins via a Structural Switch of Its Carotenoid
Published in Journal of the American Chemical Society (07-08-2024)“…Cyanobacteria were the first microorganisms that released oxygen into the atmosphere billions of years ago. To do it safely under intense sunlight, they…”
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16
Site, Rate, and Mechanism of Photoprotective Quenching in Cyanobacteria
Published in Journal of the American Chemical Society (16-11-2011)“…In cyanobacteria, activation of the Orange Carotenoid Protein (OCP) by intense blue-green light triggers photoprotective thermal dissipation of excess absorbed…”
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17
Energy Transfer and Radical-Pair Dynamics in Photosystem I with Different Red Chlorophyll a Pigments
Published in International journal of molecular sciences (01-04-2024)“…We establish a general kinetic scheme for the energy transfer and radical-pair dynamics in photosystem I (PSI) of , PCC6803, and grown under white-light…”
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18
Modelling excitation energy transfer and trapping in the filamentous cyanobacterium Anabaena variabilis PCC 7120
Published in Photosynthesis research (01-05-2020)“…The phycobilisome (PBS) serves as the major light-harvesting system, funnelling excitation energy to both photosystems (PS) in cyanobacteria and red algae. The…”
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19
Two Different Charge Separation Pathways in Photosystem II
Published in Biochemistry (Easton) (25-05-2010)“…Charge separation is an essential step in the conversion of solar energy into chemical energy in photosynthesis. To investigate this process, we performed…”
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20
A functional compartmental model of the Synechocystis PCC 6803 phycobilisome
Published in Photosynthesis research (01-03-2018)“…In the light-harvesting antenna of the Synechocystis PCC 6803 phycobilisome (PB), the core consists of three cylinders, each composed of four disks, whereas…”
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