Research Topics
| Jim BarberSummaryAffiliation: Imperial College Country: UK Publications
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Detail Information
Publications
Revealing how nature uses sunlight to split water. IntroductionJames Barber
Wolfson Laboratories, Division of Molecular Biosciences, Imperial College London, London SW7 2AZ, UK
Philos Trans R Soc Lond B Biol Sci 363:1125-8. 2008
Photosystem II: a multisubunit membrane protein that oxidises waterJames Barber
Wolfson Laboratories, Department of Biological Sciences, Imperial College of Science, Technology and Medicine, London SW7 2AY, UK
Curr Opin Struct Biol 12:523-30. 2002..8 A resolution complements structural studies using high-resolution electron microscopy and represents a major step towards understanding how photosynthetic organisms use light energy to oxidise water...
From natural to artificial photosynthesisJames Barber
Division of Molecular Biosciences, Department of Life Sciences, Imperial College London, London, UK
J R Soc Interface 10:20120984. 2013..We then follow on to describe how these two reactions are being mimicked in physico-chemical-based catalytic or electrocatalytic systems with the challenge of creating a large-scale robust and efficient artificial leaf technology...- Water, water everywhere, and its remarkable chemistryJim Barber
Department of Biological Sciences, Wolfson Laboratories, Biochemistry Building, South Kensington Campus, Imperial College London, Exhibition Road, London SW7 2AZ, UK
Biochim Biophys Acta 1655:123-32. 2004..A structural basis for Jerry's model is now being revealed by X-ray crystallography... - Biological solar energyJames Barber
Division of Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, London SW7 2AZ, UK
Philos Trans A Math Phys Eng Sci 365:1007-23. 2007..After all, there is no shortage of water for this non-polluting reaction and the energy content of sunlight falling on our planet well exceeds our needs... - The structure of the Mn4Ca2+ cluster of photosystem II and its protein environment as revealed by X-ray crystallographyJames Barber
Division of Molecular Biosciences, Imperial College London, London SW7 2AZ, UK
Philos Trans R Soc Lond B Biol Sci 363:1129-38; discussion 1137-8. 2008..Taking into account the most recent results obtained with these two X-ray-based techniques, we have attempted to refine models of the structure of the Mn4Ca2+ cluster and its protein environment... - Crystal structure of the oxygen-evolving complex of photosystem IIJames Barber
Division of Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, London, UK
Inorg Chem 47:1700-10. 2008..Nevertheless, all of the models are sufficiently similar to provide a basis for discussing the chemistry by which PSII splits water and makes oxygen... - Photosystem II: an enzyme of global significanceJ Barber
Division of Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, London SW7 2AZ, UK
Biochem Soc Trans 34:619-31. 2006.... - Photosynthetic generation of oxygenJames Barber
Division of Molecular Biosciences, Imperial College London, London, UK
Philos Trans R Soc Lond B Biol Sci 363:2665-74. 2008.... - Architecture of the photosynthetic oxygen-evolving centerKristina N Ferreira
Department of Biological Sciences, Imperial College London, London, SW7 2AZ, UK
Science 303:1831-8. 2004..The details of the surrounding coordination sphere of the metal cluster and the implications for a possible oxygen-evolving mechanism are discussed... - Photosystem II: the engine of lifeJames Barber
Imperial College of Science, Technology and Medicine, Wolfson Laboratories, Department of Biological Sciences, London SW7 2AY, UK
Q Rev Biophys 36:71-89. 2003..The lower resolution electron microscopy studies, however, are providing structural models of larger PS II supercomplexes that are ideal frameworks in which to incorporate the X-ray derived structures... - Refinement of the structural model for the Photosystem II supercomplex of higher plantsJon Nield
Wolfson Laboratories, Division of Molecular Biosciences, Faculty of Natural Sciences, South Kensington Campus, Imperial College London, SW7 2AZ, UK
Biochim Biophys Acta 1757:353-61. 2006.... - Structure of photosystem II and molecular architecture of the oxygen-evolving centreSo Iwata
Division of Biomedical Sciences and Department of Biological Sciences, Imperial College, London SW7 2AZ, UK
Curr Opin Struct Biol 14:447-53. 2004..5A resolution and, for the first time, the complete molecular structure of this 650 kDa complex, including the oxygen-evolving centre, has been revealed... - Photosynthetic energy conversion: natural and artificialJames Barber
Division of Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, London, UK SW7 2AZ
Chem Soc Rev 38:185-96. 2009.... - Identification of a calcium-binding site in the PsbO protein of photosystem IIJames W Murray
Wolfson Laboratories, Division of Molecular Biosciences, Faculty of Life Sciences, South Kensington Campus, Imperial College, London SW7 2AZ, UK
Biochemistry 45:4128-30. 2006..The Ca2+-binding site is located close to the lumenal exit of a putative proton channel leading from the water splitting site... - Purification, crystallization and X-ray diffraction analyses of the T. elongatus PSII core dimer with strontium replacing calcium in the oxygen-evolving complexJoanna Kargul
Wolfson Laboratories, Division of Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, London, UK
Biochim Biophys Acta 1767:404-13. 2007..However, SrPSII showed altered functional properties of its modified OEC in comparison with that of the CaPSII counterpart: slowdown of the Q(A)-to-Q(B) electron transfer and stabilized S(2)Q(A)(-) charge recombination... - Structural characteristics of channels and pathways in photosystem II including the identification of an oxygen channelJames W Murray
Wolfson Laboratories, Biochemistry Building, Division of Molecular Biosciences, Faculty of Life Sciences, South Kensington Campus, Imperial College London, London SW7 2AZ, UK
J Struct Biol 159:228-37. 2007..Also discussed are unique features in the electron transfer pathway of PSII, as compared with those of purple photosynthetic bacteria, and structural implications of the PSII Q(B)-site in terms of PQ protonation and PQ/PQH(2) diffusion... - Photosynthetic acclimation: structural reorganisation of light harvesting antenna--role of redox-dependent phosphorylation of major and minor chlorophyll a/b binding proteinsJoanna Kargul
Wolfson Laboratories, Division of Molecular Biosciences, Faculty of Natural Sciences, Imperial College London, UK
FEBS J 275:1056-68. 2008.... - The structure of allophycocyanin from Thermosynechococcus elongatus at 3.5 A resolutionJames William Murray
Division of Molecular Biosciences, Imperial College, Exhibition Road, London SW7 2AZ, England
Acta Crystallogr Sect F Struct Biol Cryst Commun 63:998-1002. 2007..The asymmetric unit contains an (alphabeta) monomer which is expanded by symmetry to a crystallographic trimer... - CP43-like chlorophyll binding proteins: structural and evolutionary implicationsJames W Murray
Division of Molecular Biosciences, South Kensington Campus, Imperial College London, SW7 2AZ, UK
Trends Plant Sci 11:152-8. 2006.... - Structural analysis of the photosystem I supercomplex of cyanobacteria induced by iron deficiencyJon Nield
Wolfson Laboratories, Department of Biological Sciences, Imperial College of Science, Technology and Medicine, London SW7 2AZ, UK
Biochemistry 42:3180-8. 2003..The presence of these three proteins was also confirmed by immunoblotting... - Structure of a photosystem II supercomplex isolated from Prochloron didemni retaining its chlorophyll a/b light-harvesting systemThomas S Bibby
Wolfson Laboratories, Department of Biological Sciences, Imperial College, London SW7 2AZ, United Kingdom
Proc Natl Acad Sci U S A 100:9050-4. 2003..Modeling using the x-ray structure of cyanobacterial PSII suggests that energy transfer to the PSII reaction center is via the Chls bound to the CP47 and CP43 proteins... - Light-harvesting complex II protein CP29 binds to photosystem I of Chlamydomonas reinhardtii under State 2 conditionsJoanna Kargul
Wolfson Laboratories, Division of Molecular Biosciences, Imperial College London, UK
FEBS J 272:4797-806. 2005.... - The 1.45 A three-dimensional structure of C-phycocyanin from the thermophilic cyanobacterium Synechococcus elongatusJon Nield
Wolfson Laboratories, Department of Biological Sciences, Imperial College London SW7 2AZ, UK
J Struct Biol 141:149-55. 2003..This is done without touching the crystallization drops throughout the process... - Using rational screening and electron microscopy to optimize the crystallization of succinate:ubiquinone oxidoreductase from Escherichia coliRob Horsefield
Department of Biological Sciences, Imperial College, London SW7 2AZ, England
Acta Crystallogr D Biol Crystallogr 59:600-2. 2003..7, c = 521.9 A, and diffract to 2.6 A resolution. The optimization strategy used for obtaining well diffracting SQR crystals is applicable to a wide range of membrane proteins... - Three-dimensional reconstruction of a light-harvesting complex I-photosystem I (LHCI-PSI) supercomplex from the green alga Chlamydomonas reinhardtii. Insights into light harvesting for PSIJoanna Kargul
Wolfson Laboratories, Department of Biological Sciences, South Kensington Campus, Imperial College London, London SW7 2AZ, United Kingdom
J Biol Chem 278:16135-41. 2003..There was no evidence for oligomerization of Chlamydomonas PSI in contrast to the trimerization of PSI in cyanobacteria... - P680: what is it and where is it?James Barber
Wolfson Laboratories, Department of Biological Sciences, Imperial College of Science, Technology and Medicine, London SW7 2AY, UK
Bioelectrochemistry 55:135-8. 2002..The importance of these features is discussed... - Oxidation of the two beta-carotene molecules in the photosystem II reaction centerAlison Telfer
Wolfson Laboratories, Department of Biological Sciences, Imperial College of Science, Technology and Medicine, London SW7 2AY, UK
Biochemistry 42:1008-15. 2003..Although contributions of chlorophyll cations cannot be formally ruled out, our results demonstrate that these spectra mainly arise from the cation radical species of the two carotenoids present in photosystem II reaction centers... - Fluorescence line narrowing studies on isolated chlorophyll moleculesAlison Telfer
Division of Molecular Biosciences, Biochemistry Building, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
J Phys Chem B 114:2255-60. 2010.... - Exploring the ability of chlorophyll b to bind to the CP43' protein induced under iron deprivation in a mutant of Synechocystis PCC 6803 containing the cao geneJames Duncan
Wolfson Laboratories, Department of Biological Sciences, South Kensington Campus, Imperial College, London, UK
FEBS Lett 541:171-5. 2003.... - The thermodynamics and kinetics of electron transfer between cytochrome b6f and photosystem I in the chlorophyll d-dominated cyanobacterium, Acaryochloris marinaBenjamin Bailleul
Institut de Biologie Physico Chimique, UMR 7141 CNRS Université Paris 6, 13 rue Pierre et Marie Curie, Paris, France
J Biol Chem 283:25218-26. 2008..Nevertheless, chlorophyll fluorescence measurements suggest that there is energy transfer between adjacent photosystem II complexes but not from photosystem II to photosystem I, indicating spatial separation between the two photosystems... - Length, time, and energy scales of photosystemsChristopher C Moser
Johnson Research Foundation, Department of Biochemistry and Biophysics, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
Adv Protein Chem 63:71-109. 2003..This can turn the protein matrix and wandering oxygen molecules into unintentional redox partners, which in the case of PSII requires the frequent, costly replacement of protein subunits... - The nature of the photosystem II reaction centre in the chlorophyll d-containing prokaryote, Acaryochloris marinaMin Chen
School of Biological Sciences, University of Sydney, NSW 2006, Australia
Photochem Photobiol Sci 4:1060-4. 2005..We conclude that PS II, in A. marina, utilizes Chl d and not Chl a as primary electron donor and that the primary electron acceptor is one of two molecules of pheophytin a... - Biochemical and structural analyses of a higher plant photosystem II supercomplex of a photosystem I-less mutant of barley. Consequences of a chronic over-reduction of the plastoquinone poolTomas Morosinotto
Université d Aix Marseille II, Faculte des Sciences de Luminy, Laboratoire de Génétique et de Biophysique des Plantes, LGBP, CNRS CEA Université de la Méditerranée, Marseille, France
FEBS J 273:4616-30. 2006.... - Evolution of oxygenic photosynthesis: genome-wide analysis of the OEC extrinsic proteinsJavier De Las Rivas
Instituto de Recursos Naturales y Agrobiologia, Consejo Superior de Investigaciones Cientificas (CSIC, Salamanca, Spain
Trends Plant Sci 9:18-25. 2004..This analysis traces the evolution of the extrinsic proteins from ancient cyanobacteria to higher plants and gives hints about the ancestral form of the OEC... - Subsequent events to GTP binding by the plant PsbO protein: structural changes, GTP hydrolysis and dissociation from the photosystem II complexBjörn Lundin
Division of Cell Biology, Linkoping University, SE 581 85 Linkoping, Sweden
Biochim Biophys Acta 1767:500-8. 2007..We propose the occurrence in higher plants of a PsbO-mediated GTPase activity associated with PSII, which has consequences for the function of the oxygen-evolving complex and D1 protein turnover... - Structure of a large photosystem II supercomplex from Acaryochloris marinaMin Chen
School of Biological Sciences, University of Sydney, Sydney, NSW 2006, Australia
FEBS Lett 579:1306-10. 2005..Thus each PSII-RC monomer has four Pcb subunits acting as a light harvesting system which increases the absorption cross section of the PSII-RC core by almost 200%... - Environmentally modulated phosphoproteome of photosynthetic membranes in the green alga Chlamydomonas reinhardtiiMaria V Turkina
Division of Cell Biology, , , Sweden
Mol Cell Proteomics 5:1412-25. 2006.... - Light harvesting in photosystem I supercomplexesAlexander N Melkozernov
Department of Chemistry and Biochemistry and Center for the Study of Early Events in Photosynthesis, Arizona State University, Tempe, Arizona 85287 1604, USA
Biochemistry 45:331-45. 2006.... - Iron deficiency induces a chlorophyll d-binding Pcb antenna system around Photosystem I in Acaryochloris marinaMin Chen
School of Biological Sciences, University of Sydney, NSW 2006, Australia
Biochim Biophys Acta 1708:367-74. 2005.... - The trimeric organisation of photosystem I is not necessary for the iron-stress induced CP43' protein to functionally associate with this reaction centreCaroline L Aspinwall
Department of Biology, University College London, Darwin Building, Gower Street, London WC1E 6BT, UK
FEBS Lett 574:126-30. 2004..We therefore conclude that the trimeric nature of cyanobacterial PSI is not required for the assembly of the CP43' antenna system under iron-deficient conditions... - Time-resolved absorption and emission show that the CP43' antenna ring of iron-stressed synechocystis sp. PCC6803 is efficiently coupled to the photosystem I reaction center coreAlexander N Melkozernov
Department of Chemistry and Biochemistry and Center for the Study of Early Events in Photosynthesis, Arizona State University, Tempe, Arizona 85287-1604, USA
Biochemistry 42:3893-903. 2003..The data indicate that there is a rapid and efficient energy transfer between the outer antenna ring and the PSI reaction center complex... - Photosynthesis in the post genomic era: Structure and function of photosystems. Proceedings of a symposium in honor of Professor James Barber, August 20-26, 20006, Pushcino, RussiaJames Barber
Biochim Biophys Acta 1767:401-882. 2007 - Both chlorophylls a and d are essential for the photochemistry in photosystem II of the cyanobacteria, Acaryochloris marinaEberhard Schlodder
Max Volmer Laboratorium für Biophysikalische Chemie, Technische Universitat Berlin, Strasse des 17 Juni 135, 10623 Berlin, Germany
Biochim Biophys Acta 1767:589-95. 2007..However, chlorophyll a is used to stabilize the positive charge and ultimately to drive water oxidation...