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Professeur à l`Université du Québec à Trois-Rivières Département de chimie-biologie, Section de chimie et biochimie Trois-Rivières, Québec, G9A 5H7, Canada Tel: (819)376-5011, ext 3306 or 3311 Email: fragata@uqtr.ca |
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Curriculum
Vitae
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ACADEMIC BACKGROUND
POSITIONS HELD IN CANADA
POSITIONS HELD ELSEWHERE
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AWARDS
HISTORICAL CORNER Early work in Photosynthesis Research in Canada (1945-early 1970s) Review by Paul R.Gorham and Constance G.Nozzolillo back
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Academic Background.|.Positions Held.| Research Projects.|.Communications Conferences.|.Internet Conferences.|.Students.|.Postdoctoral Fellows & Visiting Scientists TEACHING in the last 10 years
back to top PUBLICATIONS
back to top 2009-2000
back to top 1999-1990
back to top 1989-1980
back to top 1979-1970
back to top 1969-1960
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back to top Academic Background.|.Positions Held.| Teaching |.Research Projects.|.Publications. COMMUNICATIONS
...-2000 - Fragata M, Viruvuru V "Quantum requirement for oxygen
evolution in photosysthem II. New experimental data and
theoretical solutions". 14th International Photosynthesis
Congress (Glasgow, U.K., July 21-27, 2007).
- Fragata M, Viruvuru V "Mathematical formulation of oxygen evolution in photosynthesis using a Langmuir equation". 6th European Biophysics Congress (London, U.K., July 13-19, 2007). - Viruvuru V, Fragata M "Novel mathematical formulation of oxygen evolution in photosystem II using a Langmuir adsorption isotherm". Twenty Fourth Annual Eastern Regional Photosynthesis Conference (Woods Hole, MA, April 20-22, 2007). - Dudekula S, Fragata M "Cyclodextrins in drug
delivery: ATP synthesis inhibition by alpha- and beta-CDs but not
gamma-CD". 31st FEBS Congress, Molecules in Health & Disease
(Istanbul, June 24-29, 2006).
- Dudekula S, Fragata M "Cyclodextrins in biomembranes and biotechnology. The case of the ATP synthesis inhibition". Lipids, Liposomes and Biomembranes 2005: New Technologies (Vancouver, July 26-30, 2005). - Fragata M, Dudekula S"a-
and b-Cyclodextrins, Two new uncouplers of
electron transport and ATP synthesis in the thylakoid membrane". 13th
International Congress on Photosynthesis (Montréal, August 29 -
September 3, 2004).
- Fragata M "Structure-activity correlations in photosystem II probed with FT-IR spectroscopy". International Satellite Meeting in honor of Prof. Norio Murata “Photosynthesis and Post-Genomic Era: From Biophysics to Molecular Biology, a Path in the Research of Photosystem II” (Trois-Rivières, August 25-28, 2004). - Fragata M "Molecular evolution of bioelectron transfer. Hydrophobicity conservation in the docking surfaces of redox protein partners: the case of cyt f-cyt c6 and cyt f-plastocyanin". XIX International Congress of Biochemistry and Molecular Biology. (Montréal, Octobrer 8-11, 2003). download abstract (PDF) -.Fragata, M. "Modelled Complex between Cytochrome f and Cytochrome c6. Geometry of Electron Transfer Pathways". 46th Annual Meeting of the Biophysical Society. (San Francisco, CA, February 23-27, 2002). Biophys.J., 82 (2002) 1618. -.Fragata, M. "Functional and structural cooperativity in photosystem II. Revisiting the 'CF model (1991)' in the frame of the new 'PSII dimer structures'". 12th International Congress of Photosynthesis. (Brisbane, Australia, August 18-23, 2001). download paper (PDF 43K) or .poster (PDF 339K) -.Fragata, M. "Hydrophobicity conservation in the surfaces of docking of plastocyanin and cytochrome c6 with cytochrome f". 45th Annual Meeting of the Biophysical Society. (Boston, MA, February 17-21, 2001). Biophys. J., 80 (2001) 62-63. 1999-1990 -.Fragata, M., Joshi, M. "Molecular aspects of heat stress in photosystem II studied by variable fluorescence and FT-IR spectroscopy". Workshop on Recent Advances in Plant Biology from Stress and Oxygen Radicals to Programmed Cell Death and Senescence (Porto, July 7-9, 1999). -.Fragata, M., Menikh, A., Nénonéné, E.K. "Cooperative function of oxygen-evolving units in photosystem 2". XIIth International Biophysics Congress (Amsterdam, August 11-16, 1996). Progress in Biophysics and Molecular Biology, 65, suppl. 1 (1996) 145. -.Menikh, A, Fragata, M. "FTIR spectroscopic study of the interaction of photosystem
II particles with digalactosyldiacylglycerol". 21st Annual
Meeting of the American Society of Photobiology (Chicago, 1993).
-.Menikh, A., Fragata, M. "Salt-mediated interactions between non-ionic lipid bilayers constituted of digalactosyldiacylglycerol do not lead to fusion". 36th Annual Meeting of the Canadian Federation of Biological Societies (Windsor, 1993). -.Ségui, J., Fragata, M. "Effect of ultraviolet radiation on the molecular organization of the photosystem II complex". 21st Annual Meeting of the American Society of Photobiology (Chicago, 1993). -.Ségui, J., Fragata, M. "Etude de l'effet du rayonnement ultraviolet sur l'organisation moleculaire et le fonctionnement du centre réactionnel photosystem II". 61e Congrès de l'ACFAS (Rimouski, 1993). -.Fragata, M., Nénonéné, E.K. "Structure-function relations in reconstituted photosystem II membrane complex probed by FTIR spectroscopy". 5th International Congress on Cell Biology (Madrid, July 26-31, 1992). -.Menikh, A., Tajmir Rihahi,
H.-A., Fragata, M. "FTIR study of the
effects of mono- and divalent cations on membranes reconstituted with
digalactosyldiacylglycerol". 35th Annual Meeting of the
Canadian Federation of Biological Societies (Victoria, BC, June 18-20, 1992).
-.Bellemare, F., Fragata, M. "Evaluation of the dimerization constants of bilayer vesicles of anionic phospholipids and galactolipids in presence of Ca2+, Mn2+ and Mg2+". 36th Annual Meeting of the Biophysical Society (Houston, TX, 9-13 February, 1992). -.Fragata, M. "High oxygen evolution in a photosystem II-phosphatidylglycerol complex requires an uncharged membrane surface". Fourth Winter Conference of the Inter-American Photochemical Society (Clearwater, FL, January 1-5,1992). -.Nénonéné, E.K., Fragata, M., Tajmir Rihahi, H.-A. "Lipid-protein interactions in potosystem II studied by FTIR spectroscopy". Eigth Annual Eastern Regional Photosynthesis Conference (Woods Hole, MA, April 12-14, 1991). 1989-1980 1979-1970 1969-1960 to be completed |
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back to top Academic Background.|.Positions Held.| Teaching |.Research Projects.|.Publications. CONFERENCES ...-2000 - Fragata, M. "Functional cooperativity of
photosynthetic pigments and proteins and the light intensity effect of
the photosystem II. Mathematical formulation of bio-electron
transfer". University of Tokyo (Tokyo, Japan, May 28, 2007).
-.Fragata, M., Sridharan, G.,
Subhan, D. "Molecular control of
bio-electron transfer in the macroassemblies of photosynthetic
membranes using cyclodextrins". CSC2004, 87th Canadian Chemistry
Conference and Exhibition (London, Ontario, May 29, 2004).
download
PDF file (836 K)
1999-1990 -.Fragata, M., Kajava, A. "Récepteurs de transporteurs [hydrosolubles] d'électrons dans la membrane photosynthétique: le cas du cytochrome f". Symposium "Membranes et Récepteurs", 67e Congrès de l'ACFAS (Ottawa, 12 mai 1999). -.Fragata, M. "Modélisation des interactions protéine-protéine dans la membrane thylacoïdale des chloroplastes" Université de Lausanne, Institut Suisse de la Recherche Expérimentale sur le Cancer (ISREC), Bioinformatics Group (Lausanne, Switzerland, June 11, 1997). -.Fragata, M. "Interactions lipide-protéine et lipide-pigment dans les thylakoïdes". Symposium "Photosynthèse: Phase lumineuse", 65e Congrès de l'ACFAS (Trois-Rivières, 15 mai 1997). -.Fragata, M. "Les lipides de la membrane photosynthétique ont-ils un rôle fonctionnel, ou tout simplement structural?" Département de chimie-biologie, Université du Québec à Trois-Rivières (Trois-Rivières, 18 avril 1997) -.Fragata, M., Gabashvili, I.,
Maire, V., Mutihac, L. "Interactions
lipide-protéine et lipide-pigment dans le photosystème
II". Symposium "Colloque pluridisciplinaire sur les
biomembranes", 64e Congrès de l'ACFAS (Montréal, 13-17
mai 1996).
-.Fragata, M., Gabashvili, I., Menikh, A., Ségui, J. "Vibrational modes of the tyrosine ring in the 1620-1570 cm-1 region of photosystem II". Symposium "Vibrational Spectroscopy", 41st International Conference on Analytical Sciences and Technology (Windsor, Ontario, 14-16 August, 1995). -.Fragata, M. "Interactions lipide-protéine dans le photosystème II. Un cas possible de coopérativité structurale et fonctionnelle". Symposium "Complexes lipide/protéine: organisation et fonctions", 62e Congrès de l'ACFAS (Montréal, 17-18 mai 1994). -.Fragata, M. "Spectroscopie FTIR des interactions lipide-lipide et lipide-protéine dans les membranes reconstituées à partir des thylacoïdes des chloroplastes". Symposium "Les lipides: des modèles aux membranes biologiques", 60e Congrès de l'ACFAS (Montréal, 12 mai 1992). -.Fragata, M. "Nature of the hydrophobic effect in the formation of
biological membranes". Department of Chemistry, Bosphorus
University (Istanbul, Turkey, May 5, 1992).
-.Fragata, M. "Structure-function relations in the photosynthetic membrane studied by FTIR spectroscopy". Department of Chemistry, Akdeniz University (Antalya, Turkey, April 30, 1992). -.Fragata, M. "Polarity of the water-lipid interface and the hydrophobic core of bilayer membranes studied with chemical and fluorescent probes". Department of Chemistry, Akdeniz University (Antalya, Turkey, April 29, 1992). -.Fragata, M. "Linear dichroism of chlorophylls and analogs aligned in liquid crystals and in polymer films.Molecular orientation effects". Department of Biophysics, Huygens Laboratorium, State University of Leiden (Leiden, The Netherlands, May 10, 1990). -.Fragata, M. "Chemical and fluorescent sensors of the polarity of the water-lipid interface and the hydrophobic core region of lipid bilayers and micelles". Invited speaker in the Interdisciplinary Meeting on Thin Liquid Film Based Biosensors (Düni, Bulgaria, 1-5 October, 1990). 1989-1980 1979-1970 1969-1960 to be completed |
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back to top 2000-1999 -.Fragata, M. "Structural pathways of electron transfer via tunnelling and van der Waals in the cytochrome f-plastocyanin complex". 3rd Internet Conference on Photochemistry and Photobiology (November 24-December 22, 2000). http://www.photobiology.com/photobiology2000 -.Fragata, M. "Molecular Pathways of Electron Transfer. Tunnelling Effect and Van der Waals Contacts in the Cytochrome f-Plastocyanin Complex". XVIII IUPAC Symposium on Photochemistry (July 22-27, 2000). Virtual Photochemistry Poster Session. http://www.photobiology.com/photoiupac2000 -.Ségui, J.A., Maire, V., Gabashvili, I.S., Fragata, M. "Effect of low intensity ultraviolet light (280 nm) on the activity of photosystem II particles". 2nd Internet Conference on Photochemistry and Photobiology (1999). http://www.photobiology.com/photobiology99, paper no. 7. |
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back to top Academic Background.|.Positions Held.| Teaching |.Research Projects.|.Publications. - Bekale L, Etudiant d'été (B.Sc., chimie; UQTR) (2007) Effect of temperature and light intensity on photosystem II activity. FT-IR study of photosystem II. - Dobrotescu G, Etudiant d'été, projet de fin d'études (B.Sc., biophysique; UQTR) (2007) Mathematical formulation of the light intensity effect in photosystem II. -.Gaudreau S, Etudiant d'été (B.Sc., biochimie; UQTR) (2000) Docking characteristics of the extrinsic proteins in photosystem II. -.Ségui JA, Ph.D. (biophysics) 1992-99 Structure and function of photosystem II studied with ultraviolet light (220-280 nm) -.Menikh A, Ph.D. (biophysics) 1991-94 Effect of DGDG and divalent cations in the formation and activity of lipid-protein complexes in photosystem II -.Nénonéné EK, Ph.D. (biophysics) 1988-92
Effect of PG and mono- and divalent cations in the formation and
activity of lipid-protein complexes in photosystem II
-.Tazi A, M.Sc.
(physics) 1989-91 Present address: Director, Clinical Neurophysiology Laboratory, Evanston Hospital, Department of Neurology, Evanston, IL 60201, U.S.A. Organisation
of the photosynthetic pigments in the chloroplast thylakoids studied
with linear dichroism and polarized fluorescence
-.Bellemare F, M.Sc.
(biophysics) Ph.D. (biophysics) -.El-Kindi M, M.Sc. (biophysics) -.L'Heureux G, M.Sc. (biophysics) Ph.D. (biophysics) 1987-90 Utilisation of fluorescent probes in the characterisation of lipid vesicles. Application to energy transfer in the membrane -.Lessard J, M.Sc. (biophysics) |
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back to top Academic Background.|.Positions Held.| Teaching |.Research Projects.|.Publications. .Communications.|.Conferences.|.Internet Conferences.|.Students -.Viruvuru V, Postdoctoral fellow (2006-2007) Effect
of temperature and light intensity on the photosynthetic activity of
isolated photosystem II particles and thylakoid membranes.
Quantum requirement measurements.
-.Dudekula S,
Postdoctoral fellow (2002-2004)
Effect of cyclodextrins on the electron transfer and ATP synthesis in the photosynthetic membrane. Present address: National Cheng Kung University, Department of Chemistry, Tainan-70101, Taiwan. -.Alvarez D, Stagiaire (Université de Perpignan, France) (2002) Etude, à l’aide de spectroscopie infra-rouge
par transformée de Fourier, de l’effet des cyclodextrines sur la
structure et le fonctionnement de la membrane photosynthétique.
-.Sridharan G, Postdoctoral
fellow (2000-2001) Effect of cyclodextrins on the function and the structure of the photosynthetic membrane. Present address: Université du Québec à Trois-Rivières, Département de Chimie-Biologie, Trois-Rivières, Que, G9A5H7, Canada. -.Dalstein L, Stagiaire (Université de Perpignan, France) (2000) Cyclodextrin effects on the function and the structure of the photosynthetic membrane. -.Huiban C, Stagiaire (Université de Perpignan, France) (2000) Cyclodextrin effects on the function and the structure of the photosynthetic membrane. -.Joshi M, Postdoctoral fellow (1996-1997) Thermal inactivation of photosystem II studied by FT-IR spectroscopy and variable fluorescence. Present address: Unilever Research India, Hindustan Lever Research Center, Whitefield, Bangalore, India. -.Gabashvili IS, Visiting scientist (1995) FT-IR study of benzene and benzene derivatives. FT-IR study of the phenolic ring in tyrosine, poly (L-tyrosine) and the tyrosine residues in photosystem II.
Present address: Department of Computer Information Systems,
Software and Database Development Programs, Department of Engineering,
DeVry University, Fremont, CA, U.S.A.
-.Maire V, Visiting
research technician (1995) FT-IR spectroscopic study of the interaction chlorophyll a-digalactosyldiacylglycerol. Modellization of molecular interactions in the antennae and reaction center of photosystem II. Present address: Sorono Company, Neuchâtel, Switzerland. -.Shubin V, Visiting scientist Characterization of photosystem I proteins. -.Strazlka K, Visiting scientist Lipid-protein interactions in photosystem II. -.Kalra S, Postdoctoral fellow Colchicine effect on the microtubules proteins Last update: May 13, 2010.
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