Effect of the P700 pre-oxidation and point mutations near A0 on the reversibility of the primary charge separation in Photosystem I from Chlamydomonas reinhardtii

Autor: Krzysztof Gibasiewicz, Ivo H. M. van Stokkum, Wojciech Giera, Andrew N. Webber, Rienk van Grondelle, V. M. Ramesh

Publikováno v: Giera, W, Ramesh, V M, Webber, A N, van Stokkum, I H M, van Grondelle, R & Gibasiewicz, K 2010, ' Effect of the P700 pre-oxidation and point mutations near A0 on the reversibility of the primary charge separation in photosystem I from Chlamydomonas reinhardtii ', Biochimica et Biophysica Acta (BBA)-Bioenergetics, vol. 1797, pp. 106-112 . https://doi.org/10.1016/j.bbabio.2009.09.006
Biochimica et Biophysica Acta (BBA)-Bioenergetics, 1797, 106-112. Elsevier

Time-resolved fluorescence studies with a 3-ps temporal resolution were performed in order to: (1) test the recent model of the reversible primary charge separation in Photosystem I (Muller et al., 2003; Holwzwarth et al., 2005, 2006), and (2) to rec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b3bd59c59cf2a5743971a3164a471f6
https://doi.org/10.1016/j.bbabio.2009.09.006

Replacement of the methionine axial ligand to the primary electron acceptor A0 slows the A0− reoxidation dynamics in Photosystem I

Autor: Krzysztof Gibasiewicz, Scott E. Bingham, Andrew N. Webber, V. M. Ramesh, Su Lin

Publikováno v: Biochimica et Biophysica Acta (BBA) - Bioenergetics. 1767:151-160

The recent crystal structure of photosystem I (PSI) from Thermosynechococcus elongatus shows two nearly symmetric branches of electron transfer cofactors including the primary electron donor, P(700), and a sequence of electron acceptors, A, A(0) and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::251d61e6af83464647dd1040f3f80338
https://doi.org/10.1016/j.bbabio.2006.12.013

Bidirectional Electron Transfer in Photosystem I: Accumulation of A0- in A-Side or B-Side Mutants of the Axial Ligand to Chlorophyll A0

Autor: Scott E. Bingham, Andrew N. Webber, Su Lin, V. M. Ramesh, Krzysztof Gibasiewicz

Publikováno v: Biochemistry. 43:1369-1375

Photosystem I contains two potential electron transfer pathways between P(700) and F(X). These branches are made up of the electron transfer chain components A, A(0), and A(1). The primary electron acceptor A(0) is a chlorophyll a monomer that could

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1d020dc51ba1f21452afcf7f99274e1
https://doi.org/10.1021/bi0354177

Excitonic Interactions in Wild-Type and Mutant PSI Reaction Centers

Autor: Kevin Redding, Krzysztof Gibasiewicz, Neal W. Woodbury, Andrew N. Webber, Su Lin, V. M. Ramesh

Publikováno v: Biophysical Journal, 85(4), 2547-2559. Biophysical Society
Gibasiewicz, K M, Ramesh, V M, Lin, S, Redding, K, Woodbury, N W & Webber, A N 2003, ' Excitonic interactions in wild-type and mutant PSI reaction centers ', Biophysical Journal, vol. 85, no. 4, pp. 2547-2559 . https://doi.org/10.1016/S0006-3495(03)74677-3

Femtosecond excitation of the red edge of the chlorophyll a Q(Y) transition band in photosystem I (PSI), with light of wavelengthor = 700 nm, leads to wide transient (subpicosecond) absorbance changes: positive DeltaA between 635 and 665 nm, and four

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7bcebb31a61cbd696cfc0ce8c0d637e2
https://doi.org/10.1016/s0006-3495(03)74677-3

Photosystem II energy use,non-photochemical quenching and the xanthophyll cycle in Sorghumbicolor grown under drought and free-air CO2 enrichment(FACE) conditions

Autor: Steven W. Leavitt, Paul J. Pinter, Neal R. Adam, Asaph B. Cousins, Michael J. Ottman, Bruce A. Kimball, Andrew N. Webber, Gerard W. Wall

Publikováno v: Plant, Cell & Environment. 25:1551-1559

The present study was carried out to test the hypothesis that elevated atmospheric CO 2 (Ca) will alleviate over-excitation of the C 4 photosynthetic apparatus and decrease non-photochemical quenching (NPQ) during periods of limited water availabilit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4053907f9b1657a6cdfa17f9f545bb37
https://doi.org/10.1046/j.1365-3040.2002.00935.x