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Jacques Breton

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Jacques Breton; Jérôme Lavergne; Marion C Wakeham; Eliane Nabedryk; Michael R Jones
The unusually strong hydrogen bond between the carbonyl of Q(A) and His M219 in the Rhodobacter sphaeroides reaction center is not essential for efficient electron transfer from Q(A)(-) to Q(B).
Jacques Breton
Steady-state FTIR spectra of the photoreduction of QA and QB in Rhodobacter sphaeroides reaction centers provide evidence against the presence of a proposed transient electron acceptor X between the two quinones.
Eliane Nabedryk; Mark L Paddock; Melvin Y Okamura; Jacques Breton
Monitoring the pH dependence of IR carboxylic acid signals upon Q(B)- formation in the Glu-L212 --> Asp/Asp-L213 --> Glu swap mutant reaction center from Rhodobacter sphaeroides.

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All Publications

2007: Jacques Breton; Jérôme Lavergne; Marion C Wakeham; Eliane Nabedryk; Michael R Jones
The unusually strong hydrogen bond between the carbonyl of Q(A) and His M219 in the Rhodobacter sphaeroides reaction center is not essential for efficient electron transfer from Q(A)(-) to Q(B).
Biochemistry 2007;46(22):6468-76.
2007: Jacques Breton
Steady-state FTIR spectra of the photoreduction of QA and QB in Rhodobacter sphaeroides reaction centers provide evidence against the presence of a proposed transient electron acceptor X between the two quinones.
Biochemistry 2007;46(15):4459-65.
2007: Eliane Nabedryk; Mark L Paddock; Melvin Y Okamura; Jacques Breton
Monitoring the pH dependence of IR carboxylic acid signals upon Q(B)- formation in the Glu-L212 --> Asp/Asp-L213 --> Glu swap mutant reaction center from Rhodobacter sphaeroides.
Biochemistry 2007;46(5):1176-82.
2005: Ashley J Watson; Paul K Fyfe; Dmitrij Frolov; Marion C Wakeham; Eliane Nabedryk; Rienk van Grondelle; Jacques Breton; Michael R Jones
Replacement or exclusion of the B-branch bacteriopheophytin in the purple bacterial reaction centre: the H(B) cofactor is not required for assembly or core function of the Rhodobacter sphaeroides complex.
Biochimica et biophysica acta 2005;1710(1):34-46.
2005: Eliane Nabedryk; Mark L Paddock; Melvin Y Okamura; Jacques Breton
An isotope-edited FTIR investigation of the role of Ser-L223 in binding quinone (QB) and semiquinone (QB-) in the reaction center from Rhodobacter sphaeroides.
Biochemistry 2005;44(44):14519-27.
2005: Jacques Breton; Parag Chitnis; Maria Pantelidou
Evidence for hydrogen bond formation to the PsaB chlorophyll of P700 in photosystem I mutants of Synechocystis sp. PCC 6803.
Biochemistry 2005;44(14):5402-8.
2004: Maria Pantelidou; Parag Chitnis; Jacques Breton
FTIR spectroscopy of synechocystis 6803 mutants affected on the hydrogen bonds to the carbonyl groups of the PsaA chlorophyll of P700 supports an extensive delocalization of the charge in P700+.
Biochemistry 2004;43(26):8380-90.
2004: Eliane Nabedryk; Jacques Breton; Melvin Y Okamura; Mark L Paddock
Identification of a novel protonation pattern for carboxylic acids upon Q(B) photoreduction in Rhodobacter sphaeroides reaction center mutants at Asp-L213 and Glu-L212 sites.
Biochemistry 2004;43(23):7236-43.
2004: Jacques Breton; Marion C Wakeham; Paul K Fyfe; Michael R Jones; Eliane Nabedryk
Characterization of the bonding interactions of Q(B) upon photoreduction via A-branch or B-branch electron transfer in mutant reaction centers from Rhodobacter sphaeroides.
Biochimica et biophysica acta 2004;1656(2-3):127-38.
2004: Marion C Wakeham; Jacques Breton; Eliane Nabedryk; Michael R Jones
Formation of a semiquinone at the QB site by A- or B-branch electron transfer in the reaction center from Rhodobacter sphaeroides.
Biochemistry 2004;43(16):4755-63.
2004: Jacques Breton
Absence of large-scale displacement of quinone QB in bacterial photosynthetic reaction centers.
Biochemistry 2004;43(12):3318-26.
2003: Eliane Nabedryk; Jacques Breton; Pierre Sebban; Laura Baciou
Quinone (Q(B)) binding site and protein stuctural changes in photosynthetic reaction center mutants at Pro-L209 revealed by vibrational spectroscopy.
Biochemistry 2003;42(19):5819-27.
2003: Alberto Mezzetti; Winfried Leibl; Jacques Breton; Eliane Nabedryk
Photoreduction of the quinone pool in the bacterial photosynthetic membrane: identification of infrared marker bands for quinol formation.
FEBS letters 2003;537(1-3):161-5.
2002: Jacques Breton; Claude Boullais; Charles Mioskowski; Pierre Sebban; Laura Baciou; Eliane Nabedryk
Vibrational spectroscopy favors a unique QB binding site at the proximal position in wild-type reaction centers and in the Pro-L209 --> Tyr mutant from Rhodobacter sphaeroides.
Biochemistry 2002;41(43):12921-7.
2002: Jacques Breton; Wu Xu; Bruce A Diner; Parag Chitnis
The two histidine axial ligands of the primary electron donor chlorophylls (P700) in photosystem I are similarly perturbed upon P700+ formation.
Biochemistry 2002;41(37):11200-10.
2002: Diane Spiedel; Aleksander W Roszak; Kimberley McKendrick; Katherine McAuley; Paul K Fyfe; Eliane Nabedryk; Jacques Breton; Bruno Robert; Richard J Cogdell; Neil W Isaacs; Michael R Jones
Tuning of the optical and electrochemical properties of the primary donor bacteriochlorophylls in the reaction centre from Rhodobacter sphaeroides: spectroscopy and structure.
Biochimica et biophysica acta 2002;1554(1-2):75-93.
2002: Alberto Mezzetti; Eliane Nabedryk; Jacques Breton; Melvin Y Okamura; Mark L Paddock; Giovanni Giacometti; Winfried Leibl
Rapid-scan Fourier transform infrared spectroscopy shows coupling of GLu-L212 protonation and electron transfer to Q(B) in Rhodobacter sphaeroides reaction centers.
Biochimica et biophysica acta 2002;1553(3):320-30.
2001: Eliane Nabedryk; Jacques Breton; Melvin Y Okamura; Mark L Paddock
Simultaneous replacement of Asp-L210 and Asp-M17 with Asn increases proton uptake by Glu-L212 upon first electron transfer to QB in reaction centers from Rhodobacter sphaeroides.
Biochemistry 2001;40(46):13826-32.
2001: K Gibasiewicz; Andrzej Dobek; Jacques Breton; Winfried Leibl
Modulation of primary radical pair kinetics and energetics in photosystem II by the redox state of the quinone electron acceptor Q(A).
Biophysical journal 2001;80(4):1617-30.
2001: S Keller; J T Beatty; Mark L Paddock; Jacques Breton; Winfried Leibl
Effect of metal binding on electrogenic proton transfer associated with reduction of the secondary electron acceptor (QB) in Rhodobacter sphaeroides chromatophores.
Biochemistry 2001;40(2):429-39.
2000: Eliane Nabedryk; Jacques Breton; H M Joshi; D K Hanson
Fourier transform infrared evidence of proton uptake by glutamate L212 upon reduction of the secondary quinone QB in the photosynthetic reaction center from Rhodobacter capsulatus.
Biochemistry 2000;39(47):14654-63.
2000: Eliane Nabedryk; Jacques Breton
Comments on identification of a hydrogen bond in the phe-M197-->Tyr mutant reaction center of the photosynthetic purple bacterium Rhodobacter sphaeroides by x-ray crystallography and FTIR spectroscopy (FEBS 23044).
FEBS letters 2000;477(3):283.
2000: Eliane Nabedryk; C Schulz; F Müh; W Lubitz; Jacques Breton
Heterodimeric versus homodimeric structure of the primary electron donor in Rhodobacter sphaeroides reaction centers genetically modified at position M202.
Photochemistry and photobiology 2000;71(5):582-8.
1999: Jacques Breton; Eliane Nabedryk; Winfried Leibl
FTIR study of the primary electron donor of photosystem I (P700) revealing delocalization of the charge in P700(+) and localization of the triplet character in (3)P700.
Biochemistry 1999;38(36):11585-92.
1999: Jacques Breton; M Bibikova; D Oesterhelt; Eliane Nabedryk
Conformational heterogeneity of the bacteriopheophytin electron acceptor HA in reaction centers from Rhodopseudomonas viridis revealed by Fourier transform infrared spectroscopy and site-directed mutagenesis.
Biochemistry 1999;38(35):11541-52.
1998: Eliane Nabedryk; Jacques Breton; Melvin Y Okamura; Mark L Paddock
Proton uptake by carboxylic acid groups upon photoreduction of the secondary quinone (QB) in bacterial reaction centers from Rhodobacter sphaeroides: FTIR studies on the effects of replacing Glu H173.
Biochemistry 1998;37(41):14457-62.
1998: C Rischel; Diane Spiedel; J P Ridge; Michael R Jones; Jacques Breton; Jean-Christophe Lambry; J L Martin; Marten H Vos
Low frequency vibrational modes in proteins: changes induced by point-mutations in the protein-cofactor matrix of bacterial reaction centers.
Proceedings of the National Academy of Sciences of the United States of America 1998;95(21):12306-11.
1998: Catherine Berthomieu; Rainer Hienerwadel; Alain Boussac; Jacques Breton; Bruce A Diner
Hydrogen bonding of redox-active tyrosine Z of photosystem II probed by FTIR difference spectroscopy.
Biochemistry 1998;37(30):10547-54.
1998: G Paillotin; Winfried Leibl; J Gapiński; Jacques Breton; Andrzej Dobek
Light gradients in spherical photosynthetic vesicles.
Biophysical journal 1998;75(1):124-33.
1998: Kevin Redding; Fraser MacMillan; Winfried Leibl; Klaus Brettel; J Hanley; A William Rutherford; Jacques Breton; Jean-David Rochaix
A systematic survey of conserved histidines in the core subunits of Photosystem I by site-directed mutagenesis reveals the likely axial ligands of P700.
The EMBO journal 1998;17(1):50-60.
1997: Rainer Hienerwadel; Alain Boussac; Jacques Breton; Bruce A Diner; Catherine Berthomieu
Fourier transform infrared difference spectroscopy of photosystem II tyrosine D using site-directed mutagenesis and specific isotope labeling.
Biochemistry 1997;36(48):14712-23.
1997: Jacques Breton
Efficient exchange of the primary quinone acceptor Q(A) in isolated reaction centers of Rhodopseudomonas viridis.
Proceedings of the National Academy of Sciences of the United States of America 1997;94(21):11318-23.
1997: Ursula Liebl; Jean-Christophe Lambry; Jacques Breton; J L Martin; Marten H Vos
Spectral equilibration and primary photochemistry in Heliobacillus mobilis at cryogenic temperature.
Biochemistry 1997;36(19):5912-20.
1997: Jacques Breton; Eliane Nabedryk; J P Allen; J C Williams
Electrostatic influence of QA reduction on the IR vibrational mode of the 10a-ester C==O of HA demonstrated by mutations at residues Glu L104 and Trp L100 in reaction centers from Rhodobacter sphaeroides.
Biochemistry 1997;36(15):4515-25.
1996: Rainer Hienerwadel; Alain Boussac; Jacques Breton; Catherine Berthomieu
Fourier transform infrared difference study of tyrosineD oxidation and plastoquinone QA reduction in photosystem II.
Biochemistry 1996;35(48):15447-60.
1996: Ursula Liebl; Jean-Christophe Lambry; Winfried Leibl; Jacques Breton; Jean-Louis Martin; Marten H Vos
Energy and electron transfer upon selective femtosecond excitation of pigments in membranes of Heliobacillus mobilis.
Biochemistry 1996;35(30):9925-34.
1996: Marten H Vos; M R Jones; Jacques Breton; Jean-Christophe Lambry; Jean-Louis Martin
Vibrational dephasing of long- and short-lived primary donor excited states in mutant reaction centers of Rhodobacter sphaeroides.
Biochemistry 1996;35(8):2687-92.
1995: Eliane Nabedryk; Jacques Breton; Rainer Hienerwadel; C Fogel; Werner Mäntele; Mark L Paddock; Melvin Y Okamura
Fourier transforms infrared difference spectroscopy of secondary quinone acceptor photoreduction in proton transfer mutants of Rhodobacter sphaeroides.
Biochemistry 1995;34(45):14722-32.
1995: Jacques Breton; C Boullais; G Berger; C Mioskowski; Eliane Nabedryk
Binding sites of quinones in photosynthetic bacterial reaction centers investigated by light-induced FTIR difference spectroscopy: symmetry of the carbonyl interactions and close equivalence of the QB vibrations in Rhodobacter sphaeroides and Rhodopseudomonas viridis probed by isotope labeling.
Biochemistry 1995;34(36):11606-16.
1995: Winfried Leibl; B Toupance; Jacques Breton
Photoelectric characterization of forward electron transfer to iron-sulfur centers in photosystem I.
Biochemistry 1995;34(32):10237-44.
1995: Rainer Hienerwadel; S Grzybek; C Fogel; W Kreutz; Melvin Y Okamura; Mark L Paddock; Jacques Breton; Eliane Nabedryk; Werner Mäntele
Protonation of Glu L212 following QB- formation in the photosynthetic reaction center of Rhodobacter sphaeroides: evidence from time-resolved infrared spectroscopy.
Biochemistry 1995;34(9):2832-43.
1994: Marten H Vos; M R Jones; C N Hunter; Jacques Breton; Jean-Louis Martin
Coherent nuclear dynamics at room temperature in bacterial reaction centers.
Proceedings of the National Academy of Sciences of the United States of America 1994;91(26):12701-5.
1994: Jacques Breton; C Boullais; J R Burie; Eliane Nabedryk; C Mioskowski
Binding sites of quinones in photosynthetic bacterial reaction centers investigated by light-induced FTIR difference spectroscopy: assignment of the interactions of each carbonyl of QA in Rhodobacter sphaeroides using site-specific 13C-labeled ubiquinone.
Biochemistry 1994;33(48):14378-86.
1994: Jacques Breton; J R Burie; C Boullais; G Berger; Eliane Nabedryk
Binding sites of quinones in photosynthetic bacterial reaction centers investigated by light-induced FTIR difference spectroscopy: binding of chainless symmetrical quinones to the QA site of Rhodobacter sphaeroides.
Biochemistry 1994;33(41):12405-15.
1994: B Hecks; Karsten Gall; Jacques Breton; Winfried Leibl; H W Trissl
Primary charge separation in photosystem I: a two-step electrogenic charge separation connected with P700+A0- and P700+A1- formation.
Biochemistry 1994;33(29):8619-24.
1994: Marten H Vos; M R Jones; C N Hunter; Jacques Breton; Jean-Christophe Lambry; Jean-Louis Martin
Coherent dynamics during the primary electron-transfer reaction in membrane-bound reaction centers of Rhodobacter sphaeroides.
Biochemistry 1994;33(22):6750-7.
1994: Jacques Breton; J R Burie; Catherine Berthomieu; G Berger; Eliane Nabedryk
The binding sites of quinones in photosynthetic bacterial reaction centers investigated by light-induced FTIR difference spectroscopy: assignment of the QA vibrations in Rhodobacter sphaeroides using 18O- or 13C-labeled ubiquinone and vitamin K1.
Biochemistry 1994;33(16):4953-65.
1994: D Garcia; P Richaud; Jacques Breton; André Verméglio
Structure and function of the tetraheme cytochrome associated to the reaction center of Roseobacter denitrificans.
Biochimie 1994;76(7):666-73.
1993: Eliane Nabedryk; James P Allen; A K Taguchi; Joann C Williams; Neal W Woodbury; Jacques Breton
Fourier transform infrared study of the primary electron donor in chromatophores of Rhodobacter sphaeroides with reaction centers genetically modified at residues M160 and L131.
Biochemistry 1993;32(50):13879-85.
1993: G Paillotin; Andrzej Dobek; Jacques Breton; Winfried Leibl; H W Trissl
Why does the light-gradient photovoltage from photosynthetic organelles show a wavelength-dependent polarity?
Biophysical journal 1993;65(1):379-85.
1993: Winfried Leibl; I Sinning; G Ewald; Hartmut Michel; Jacques Breton
Evidence that serine L223 is involved in the proton transfer pathway to QB in the photosynthetic reaction center of Rhodopseudomonas viridis.
Biochemistry 1993;32(8):1958-64.
1992: Catherine Berthomieu; Alain Boussac; Werner Mäntele; Jacques Breton; Eliane Nabedryk
Molecular changes following oxidoreduction of cytochrome b559 characterized by Fourier transform infrared difference spectroscopy and electron paramagnetic resonance: photooxidation in photosystem II and electrochemistry of isolated cytochrome b559 and iron protoporphyrin IX-bisimidazole model compounds.
Biochemistry 1992;31(46):11460-71.
1992: Eliane Nabedryk; S J Robles; E Goldman; D C Youvan; Jacques Breton
Probing the primary donor environment in the histidineM200-->leucine and histidineL173-->leucine heterodimer mutants of Rhodobacter capsulatus by light-induced Fourier transform infrared difference spectroscopy.
Biochemistry 1992;31(44):10852-8.
1992: Jacques Breton; Eliane Nabedryk; W W Parson
A new infrared electronic transition of the oxidized primary electron donor in bacterial reaction centers: a way to assess resonance interactions between the bacteriochlorophylls.
Biochemistry 1992;31(33):7503-10.
1992: Rainer Hienerwadel; D Thibodeau; F Lenz; Eliane Nabedryk; Jacques Breton; W Kreutz; Werner Mäntele
Time-resolved infrared spectroscopy of electron transfer in bacterial photosynthetic reaction centers: dynamics of binding and interaction upon QA and QB reduction.
Biochemistry 1992;31(25):5799-808.
1992: Marten H Vos; Jean-Christophe Lambry; S J Robles; D C Youvan; Jacques Breton; Jean-Louis Martin
Femtosecond spectral evolution of the excited state of bacterial reaction centers at 10 K.
Proceedings of the National Academy of Sciences of the United States of America 1992;89(2):613-7.
1991: Eliane Nabedryk; Catherine Berthomieu; André Verméglio; Jacques Breton
Photooxidation of high-potential (c559, c556) and low-potential (c552) hemes in the cytochrome subunit of Rhodopseudomonas viridis reaction center. Characterization by FTIR spectroscopy.
FEBS letters 1991;293(1-2):53-8.
1991: Marten H Vos; Jean-Christophe Lambry; S J Robles; D C Youvan; Jacques Breton; Jean-Louis Martin
Direct observation of vibrational coherence in bacterial reaction centers using femtosecond absorption spectroscopy.
Proceedings of the National Academy of Sciences of the United States of America 1991;88(20):8885-9.
1991: Winfried Leibl; Jacques Breton
Kinetic properties of the acceptor quinone complex in Rhodopseudomonas viridis.
Biochemistry 1991;30(40):9634-42.
1991: Jacques Breton; Catherine Berthomieu; D L Thibodeau; Eliane Nabedryk
Probing the secondary quinone (QB) environment in photosynthetic bacterial reaction centers by light-induced FTIR difference spectroscopy.
FEBS letters 1991;288(1-2):109-13.
1991: Jacques Breton; D L Thibodeau; Catherine Berthomieu; Werner Mäntele; André Verméglio; Eliane Nabedryk
Probing the primary quinone environment in photosynthetic bacterial reaction centers by light-induced FTIR difference spectroscopy.
FEBS letters 1991;278(2):257-60.
1990: Catherine Berthomieu; Eliane Nabedryk; Werner Mäntele; Jacques Breton
Characterization by FTIR spectroscopy of the photoreduction of the primary quinone acceptor QA in photosystem II.
FEBS letters 1990;269(2):363-7.
1990: Eliane Nabedryk; K A Bagley; D L Thibodeau; M Bauscher; Werner Mäntele; Jacques Breton
A protein conformational change associated with the photoreduction of the primary and secondary quinones in the bacterial reaction center.
FEBS letters 1990;266(1-2):59-62.
1990: S J Robles; Jacques Breton; D C Youvan
Partial symmetrization of the photosynthetic reaction center.
Science (New York, N.Y.) 1990;248(4961):1402-5.
1990: Eliane Nabedryk; M Leonhard; Werner Mäntele; Jacques Breton
Fourier transform infrared difference spectroscopy shows no evidence for an enolization of chlorophyll a upon cation formation either in vitro or during P700 photooxidation.
Biochemistry 1990;29(13):3242-7.
1990: D Moss; Eliane Nabedryk; Jacques Breton; Werner Mäntele
Redox-linked conformational changes in proteins detected by a combination of infrared spectroscopy and protein electrochemistry. Evaluation of the technique with cytochrome c.
European journal of biochemistry / FEBS 1990;187(3):565-72.
1988: W G Mäntele; A M Wollenweber; Eliane Nabedryk; Jacques Breton
Infrared spectroelectrochemistry of bacteriochlorophylls and bacteriopheophytins: Implications for the binding of the pigments in the reaction center from photosynthetic bacteria.
Proceedings of the National Academy of Sciences of the United States of America 1988;85(22):8468-72.
1988: Eliane Nabedryk; R M Garavito; Jacques Breton
The orientation of beta-sheets in porin. A polarized Fourier transform infrared spectroscopic investigation.
Biophysical journal 1988;53(5):671-6.
1986: Jean-Louis Martin; Jacques Breton; A J Hoff; A Migus; Andre Antonetti
Femtosecond spectroscopy of electron transfer in the reaction center of the photosynthetic bacterium Rhodopseudomonas sphaeroides R-26: Direct electron transfer from the dimeric bacteriochlorophyll primary donor to the bacteriopheophytin acceptor with a time constant of 2.8 +/- 0.2 psec.
Proceedings of the National Academy of Sciences of the United States of America 1986;83(4):957-61.
1983: G Paillotin; N E Geacintov; Jacques Breton
A master equation theory of fluorescence induction, photochemical yield, and singlet-triplet exciton quenching in photosynthetic systems.
Biophysical journal 1983;44(1):65-77.
1982: Eliane Nabedryk; M P Gingold; Jacques Breton
Orientation of gramicidin A transmembrane channel. Infrared dichroism study of gramicidin in vesicles.
Biophysical journal 1982;38(3):243-9.
1981: Eliane Nabedryk; Jacques Breton
Orientation of intrinsic proteins in photosynthetic membranes. Polarized infrared spectroscopy of chloroplasts and chromatophores.
Biochimica et biophysica acta 1981;635(3):515-24.