Geza I Groma

Summary

Affiliation: Biological Research Center
Country: Hungary

Publications

  1. pmc Terahertz radiation from bacteriorhodopsin reveals correlated primary electron and proton transfer processes
    G I Groma
    Institute of Biophysics, Biological Research Center of the Hungarian Academy of Sciences, H 6726, Szeged, Hungary
    Proc Natl Acad Sci U S A 105:6888-93. 2008
  2. pmc Vibrational motions associated with primary processes in bacteriorhodopsin studied by coherent infrared emission spectroscopy
    Geza I Groma
    Laboratory for Optical Biosciences, Ecole Polytechnique, Institut National de la Sante et de la Recherche Medicale, Centre National de la Recherche Scientifique, Palaiseau, France
    Biophys J 100:1578-86. 2011
  3. pmc Resonant optical rectification in bacteriorhodopsin
    Geza I Groma
    Institute of Biophysics, Biological Research Centre of the Hungarian Academy of Sciences, Szeged, H 6726, Hungary
    Proc Natl Acad Sci U S A 101:7971-5. 2004
  4. pmc Characterization of the azide-dependent bacteriorhodopsin-like photocycle of salinarum halorhodopsin
    Melinda Lakatos
    Institute of Biophysics, Biological Research Center of the Hungarian Academy of Sciences, Szeged, H 6701, Hungary
    Biophys J 82:1687-95. 2002
  5. ncbi request reprint Quantification of sudden light-induced polarization in bacteriorhodopsin by optical rectification
    Anne Colonna
    Laboratory for Optical Biosciences, Ecole Polytechnique, INSERM, CNRS, 91128 Palaiseau, France
    J Phys Chem B 111:2707-10. 2007
  6. ncbi request reprint The photocycle of bacteriorhodopsin at high pH and ionic strength. II. Time-dependent anisotropy studied by partially saturating photoselection
    G I Groma
    Institute of Biophysics, Hungarian Academy of Sciences, Szeged, Hungary
    Biochim Biophys Acta 1319:69-85. 1997
  7. pmc Photocycle of dried acid purple form of bacteriorhodopsin
    G I Groma
    Institute of Biophysics, Biological Research Center of the Hungarian Academy of Sciences, Szeged H-6701, Hungary
    Biophys J 81:3432-41. 2001

Collaborators

Detail Information

Publications7

  1. pmc Terahertz radiation from bacteriorhodopsin reveals correlated primary electron and proton transfer processes
    G I Groma
    Institute of Biophysics, Biological Research Center of the Hungarian Academy of Sciences, H 6726, Szeged, Hungary
    Proc Natl Acad Sci U S A 105:6888-93. 2008
    ..The correlated electron and proton translocation supports the concept, assigning a functional role to the light-induced sudden polarization in retinal proteins...
  2. pmc Vibrational motions associated with primary processes in bacteriorhodopsin studied by coherent infrared emission spectroscopy
    Geza I Groma
    Laboratory for Optical Biosciences, Ecole Polytechnique, Institut National de la Sante et de la Recherche Medicale, Centre National de la Recherche Scientifique, Palaiseau, France
    Biophys J 100:1578-86. 2011
    ..In particular, the direction sensitivity provides experimental evidence for large intermediate distortions of the retinal plane during the excited-state isomerization process...
  3. pmc Resonant optical rectification in bacteriorhodopsin
    Geza I Groma
    Institute of Biophysics, Biological Research Centre of the Hungarian Academy of Sciences, Szeged, H 6726, Hungary
    Proc Natl Acad Sci U S A 101:7971-5. 2004
    ..The simultaneous and phase-sensitive observation of both the electronic and vibrational signals opens the way to study the transduction of the initial polarization into structural dynamics...
  4. pmc Characterization of the azide-dependent bacteriorhodopsin-like photocycle of salinarum halorhodopsin
    Melinda Lakatos
    Institute of Biophysics, Biological Research Center of the Hungarian Academy of Sciences, Szeged, H 6701, Hungary
    Biophys J 82:1687-95. 2002
    ..The differences between the azide-dependent photocycle of salinarum halorhodopsin and pharaonis halorhodopsin are discussed...
  5. ncbi request reprint Quantification of sudden light-induced polarization in bacteriorhodopsin by optical rectification
    Anne Colonna
    Laboratory for Optical Biosciences, Ecole Polytechnique, INSERM, CNRS, 91128 Palaiseau, France
    J Phys Chem B 111:2707-10. 2007
    ..This result may help to evaluate models describing the interplay between the initial polarization change and the subsequent isomerization of the retinal...
  6. ncbi request reprint The photocycle of bacteriorhodopsin at high pH and ionic strength. II. Time-dependent anisotropy studied by partially saturating photoselection
    G I Groma
    Institute of Biophysics, Hungarian Academy of Sciences, Szeged, Hungary
    Biochim Biophys Acta 1319:69-85. 1997
    ..An analysis of the fitted amplitudes of the exponentials favors the models involving parallel processes rather than those invoking chromophore reorientation...
  7. pmc Photocycle of dried acid purple form of bacteriorhodopsin
    G I Groma
    Institute of Biophysics, Biological Research Center of the Hungarian Academy of Sciences, Szeged H-6701, Hungary
    Biophys J 81:3432-41. 2001
    ..The study of the dried acid purple samples could help in understanding the fast primary processes of the protein function. It may also have importance in technical applications...