Results 261 to 270 of about 40,321 (291)

Structural basis for the distinct core-antenna assembly of cryptophyte photosystem II. [PDF]

Nat Commun
Si L, Zhang S, Su X, Li M.
europepmc   +1 more source

Modified chlorophyll pigment at Chl_D1 tunes photosystem II beyond the red-light limit. [PDF]

Chem Sci
Allgöwer F, Sirohiwal A, Gamiz-Hernandez AP, Pöverlein MC, Fantuzzi A, Rutherford AW, Kaila VRI.   +6 more
europepmc   +1 more source

The minor antennae of photosystem II contribute to qH-energy dissipation in Arabidopsis

Bru P, Crepin A, Provot Y, Guardini Z, Bassi R, Dall’Osto L, Malnoë A.   +6 more
europepmc   +1 more source

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Photosystem II

Current Opinion in Structural Biology, 1999
Electron crystallography of photosystem II has revealed the location of important subunits and photoactive pigment molecules within this large membrane protein complex. It has also demonstrated a close evolutionary link among all types of photosynthetic reaction centres.
Barber, J., Kühlbrandt, W. ; https://orcid.org/0000-0002-2013-4810   +1 more
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Carotenoid Oxidation in Photosystem II

Biochemistry, 1999
The oxidation of carotenoid upon illumination at low temperature has been studied in Mn-depleted photosystem II (PSII) using EPR and electronic absorption spectroscopy. Illumination of PSII at 20 K results in carotenoid cation radical (Car+*) formation in essentially all of the centers.
J, Hanley, Y, Deligiannakis, A, Pascal, P, Faller, A W, Rutherford   +4 more
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Photoinhibition of Photosystem II

International Review of Cell and Molecular Biology, 2013
Photoinhibition of Photosystem II (PSII) is the light-induced loss of PSII electron-transfer activity. Although photoinhibition has been studied for a long time, there is no consensus about its mechanism. On one hand, production of singlet oxygen ((1)O(2)) by PSII has promoted models in which this reactive oxygen species (ROS) is considered to act as ...
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Trypsin inhibition of Photosystem II

Biochimica et Biophysica Acta (BBA) - Bioenergetics, 1971
Abstract 1. Brief incubation of chloroplasts with trypsin accelerated (by uncoupling) while longer incubation inhibited the Hill reaction with 2,6-dichlorophenolindophenol (DCIP). When an uncoupler (NH 4 Cl or methylamine · HCl) was present, or when the reaction was light-limited, even brief incubation with trypsin inhibited the reaction.
B R, Selman, T T, Bannister
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Current perceptions of Photosystem II

Photosynthesis Research, 1990
In the last few years our knowledge of the structure and function of Photosystem II in oxygen-evolving organisms has increased significantly. The biochemical isolation and characterization of essential protein components and the comparative analysis from purple photosynthetic bacteria (Deisenhofer, Epp, Miki, Huber and Michel (1984) J Mol Biol 180: 385-
O, Hansson, T, Wydrzynski
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Heterogeneity in chloroplast photosystem II

Photosynthesis Research, 1986
Photosystem-two (PSII) in the chloroplasts of higher plants and green algae is not homogeneous. A review of PSII heterogeneity is presented and a model is proposed which is consistent with much of the data presented in the literature. It is proposed that the non-quinone electron acceptor of PSII is preferentially associated with the sub-population of ...
M T, Black, T H, Brearley, P, Horton
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Carotenoid Photooxidation in Photosystem II

Archives of Biochemistry and Biophysics, 2001
Carotenoids are known to function as light-harvesting pigments and they play important roles in photoprotection in both plant and bacterial photosynthesis. These functions are also important for carotenoids in photosystem II. In addition, beta-carotene recently has been found to function as a redox intermediate in an alternate pathway of electron ...
C A, Tracewell, J S, Vrettos, J A, Bautista, H A, Frank, G W, Brudvig   +4 more
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