Results 161 to 170 of about 5,980,835 (209)

Differences in photosystem II activity and carbon allocation during photomixotrophic growth in distinct wild-type strains of Synechocystis sp. PCC 6803. [PDF]

Plant J
Huokko T, Sporre E, Koch B, Patil PP, Wey L, Nikkanen L, Napaumpaiporn P, Virtanen O, Hubácek M, Kulik N, Komenda J, Hudson E, Vass I, Allahverdiyeva Y.   +13 more
europepmc   +1 more source

Structure of photosystem II and substrate binding at room temperature

Nature, 2016
The structures of three intermediate states of photosystem II, which is crucial for photosynthesis, have been solved at room temperature, shedding new light on this ...
Axel T. Brunger, Ernest Pastor, Uwe Bergmann   +2 more
exaly   +2 more sources

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Inactive photosystem II centers: A resolution of discrepencies in photosystem II quantitation

Photosynthesis Research, 1990
The abundance of photosystem II in chloroplast thylakoid membranes has been a contentious issue because different techniques give quite different estimates of photosystem II titer. This discrepancy led in turn to disagreements regarding the stoichiometry of photosystem II to photosystem I in these membranes.
D R, Ort, J, Whitmarsh
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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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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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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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Photoinhibition of Photosystem II

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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The nonheme iron in photosystem II

Photosynthesis Research, 2013
Photosystem II (PSII), the light-driven water:plastoquinone (PQ) oxidoreductase of oxygenic photosynthesis, contains a nonheme iron (NHI) at its electron acceptor side. The NHI is situated between the two PQs QA and QB that serve as one-electron transmitter and substrate of the reductase part of PSII, respectively. Among the ligands of the NHI is a (bi)
Frank, Müh, Athina, Zouni
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