Publications of the Emeritus Department of Biophysical Chemistry

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Journal Article (43)

2011
Journal Article
Schultheis, C.; Liewald, J. F.; Bamberg, E.; Nagel, G.; Gottschalk, A.: Optogenetic Long-Term Manipulation of Behavior and Animal Development. PLoS ONE 6 (4), e18766. doi:10.1371/journal.pone.0018766, pp. 1 - 9 (2011)
Journal Article
Yonehara, K.; Balint, K.; Noda, M.; Nagel, G.; Bamberg, E.; Roska, B.: Spatially asymmetric reorganization of inhibition establishes a motion-sensitive circuit. Nature 469 (7330), pp. 407 - 410 (2011)
2010
Journal Article
Bamann, C.; Nagel, G.; Bamberg, E.: Microbial rhodopsins in the spotlight. Current Opinion in Neurobiology 20 (5), pp. 610 - 616 (2010)
Journal Article
Bamann, C.; Gueta, R.; Kleinlogel, S.; Nagel, G.; Bamberg, E.: Structural Guidance of the Photocycle of Channelrhodopsin-2 by an Interhelical Hydrogen Bond. Biochemistry 49 (2), pp. 267 - 278 (2010)
2009
Journal Article
Radu, I.; Bamann, C.; Nack, M.; Nagel, G.; Bamberg, E.; Heberle, J.: Conformational Changes of Channelrhodopsin-2. Journal of the American Chemical Society 131 (21), pp. 7313 - 7319 (2009)
2008
Journal Article
Bamann, C.; Kirsch, T.; Nagel, G.; Bamberg, E.: Spectral Characteristics of the Photocycle of Channelrhodopsin-2 and Its Implication for Channel Function. Journal of Molecular Biology 375 (3), pp. 686 - 694 (2008)
Journal Article
Caldwell, J. H.; Herin, G. A.; Nagel, G.; Bamberg, E.; Scheschonka, A.; Betz, H.: Increases in Intracellular Calcium Triggered by Channelrhodopsin-2 Potentiate the Response of Metabotropic Glutamate Receptor mGluR7. The Journal of Biological Chemistry 283 (36), pp. 24300 - 24307 (2008)
2007
Journal Article
Zhang, F.; Wang, L.-P.; Brauner, M.; Liewald, J. F.; Kay, K.; Watzke, N.; Wood, P. G.; Bamberg, E.; Nagel, G.; Gottschalk, A. et al.; Deisseroth, K.: Multimodal fast optical interrogation of neural circuitry. Nature 446 (7136), pp. 633 - 639 (2007)
Journal Article
Zhang, F.; Wang, L.-P.; Brauner, M.; Liewald, J. F.; Kay, K.; Watzke, N.; Wood, P. G.; Bamberg, E.; Nagel, G.; Gottschalk, A. et al.; Deisseroth, K.: Multimodal fast optical interrogation of neural circuitry. Nature 446 (7136), pp. 633 - 639 (2007)
Journal Article
Schröder-Lang, S.; Schwärzel, M.; Seifert, R.; Strünker, T.; Kateriya, S.; Looser, J.; Watanabe, M.; Kaupp, B.; Hegemann, P.; Nagel, G.: Fast manipulation of cellular cAMP level by light in vivo. Nature Methods 4 (1), pp. 39 - 42 (2007)
2006
Journal Article
Zimmermann, D.; Terpitz, U.; Reuss, R.; Müller, K.; Sukhorukov, V.L.; Geßner, P.; Nagel, G.; Zimmermann, U.; Bamberg, E.: Biophysical characterisation of electrofused giant HEK293-cells as a novel electrophysiological expression system. Biochemical and Biophysical Research Communications 348, pp. 673 - 681 (2006)
2005
Journal Article
Nagel, G.; Brauner, M.; Liewald, J. F.; Adeishvili, N.; Bamberg, E.; Gottschalk, A.: Light Activation of Channelrhodopsin-2 in Excitable Cells of Caenorhabditis elegans Triggers Rapid Behavioral Responses. Current Biology 15 (24), pp. 2279 - 2284 (2005)
Journal Article
Boyden, E. S.; Zhang, F.; Bamberg, E.; Nagel, G.; Deisseroth, K.: Millisecond-timescale, genetically targeted optical control of neural activity. Nature Neuroscience 8 (9), pp. 1263 - 1268 (2005)
Journal Article
Nagel, G.; Barbry, P.; Chabot, H.; Brochiero, E.; Hartung, K.; Grygorczyk, R.: CFTR fails to inhibit the epithelial sodium channel ENaC expressed in Xenopus laevis oocytes. The Journal of Physiology 564 (3), pp. 671 - 682 (2005)
Journal Article
Nagel, G.; Szellas, T.; Kateriya, S.; Adeishvili, N.; Hegemann, P.; Bamberg, E.: Channelrhodopsins: directly light-gated cation channels. Mechanisms of Bioenergetic Membrane Proteins, pp. 863 - 866 (2005)
2004
Journal Article
Himmel, B.; Nagel, G.: Protein kinase-independent activation of CFTR by phosphatidylinositol phosphates. EMBO Reports 5 (1), pp. 85 - 90 (2004)
Journal Article
Kateriya, S.; Nagel, G.; Bamberg, E.; Hegemann, P.: "Vision" in Single-Celled Algae. News in Physiological Science 19, pp. 133 - 137 (2004)
Journal Article
Nagel, G.: CFTR, investigated with the two-electrode voltage-clamp technique: the importance of knowing the series resistance. Journal of Cystic Fibrosis 3 (Suppl. 2), pp. 109 - 111 (2004)
2003
Journal Article
Volk, C.; Gorbulev, V.; Budiman, T.; Nagel, G.; Koepsell, H.: Different affinities of inhibitors to the outwardly and inwardly directed substrate binding site of organic cation transporter 2. Molecular Pharmacology 64 (5), pp. 1037 - 1047 (2003)
Journal Article
Hippler-Mreyen, S.; Klare, J. P.; Wegener, A. A.; Seidel, R.; Herrman, C.; Schmies, G.; Nagel, G.; Bamberg, E.; Engelhard, M.: Probing the sensory rhodopsin II binding domain of its cognate transducer by calorimetry and electrophysiology. Journal of Molecular Biology (London) 330 (5), pp. 1203 - 1213 (2003)
Journal Article
Nagel; Szellas, T.; Huhn, W.; Kateriya, S.; Adeishvili, N.; Berthold, P.; Ollig; Hegemann, P.; Bamberg: Channelrhodopsin-2, a directly light-gated cation-selective membrane channel. Proceedings of the National Academy of Science USA 100, pp. 13940 - 13945 (2003)
Journal Article
Szellas, T.; Nagel, G.: Apparent affinity of CFTR for ATP is increased by continuous kinase activity. FEBS Letters 535 (1-3), pp. 141 - 146 (2003)
2002
Journal Article
Haase, A.; Kappl, M.; Nagel, G.; Wood, P. G.; Hartung, K.: The Ca-Ca exchange mode of the Na-Ca exchanger investigated by photolytic Ca2+ concentration jumps. Annual New York Academy of Science 976, pp. 113 - 116 (2002)
Journal Article
Nagel, G.; Ollig, D.; Fuhrmann, M.; Kateriya, S.; Mustl, A. M.; Bamberg, E.; Hegemann, P.: Channelrhodopsin-1: A light-gated proton channel in green algae. Science 296 (5577), pp. 2395 - 2398 (2002)
2001
Journal Article
Kappl, M.; Nagel, G.; Fendler, K.: Voltage and Ca2+ Dependence of Pre–Steady-State Currents of the Na-Ca Exchanger Generated by Ca2+ Concentration Jumps. Biophysical Journal 81 (5), pp. 2628 - 2638 (2001)
Journal Article
Geibel, S.; Friedrich, T.; Ormos, P.; Wood, P. G.; Nagel, G.; Bamberg, E.: The Voltage Dependent Proton Pumping in Bacteriorhodopsin Is Characterized by Optoelectric Behavior. Biophysical Journal 81 (4), p. 2059-2068 (2001)
Journal Article
Arndt, P.; Volk, C.; Gorboulev, V.; Budiman, T.; Popp, C.; Ulzheimer-Teubner, I.; Akhundova, A.; Koppatz, S.; Bamberg, E.; Nagel, G. et al.; Koepsell, H.: Interaction of cations, anions, and weak base quinine with rat renal transporter rOCT2 compared with rOCT1. American Journal of Physiology-Renal Physiology 281 (3), pp. F454 - F468 (2001)
Journal Article
Nagel, G.; Szellas, T.; Riordan, J. R.; Friedrich, T.; Hartung, K.: Non-specific activation of the epithelial sodium channel by the CFTR chloride channel. EMBO Reports 2 (3), pp. 249 - 254 (2001)
Journal Article
Schmies, G.; Engelhard, M.; Wood, P. G.; Nagel, G.; Bamberg, E.: Electrophysiological characterization of specific interactions between bacterial sensory rhodopsins and their transducers. Proceedings of the National Academy of Sciences of the United States of America 98 (4), pp. 1555 - 1559 (2001)
2000
Journal Article
Budiman, T.; Bamberg, E.; Koepsell, H.; Nagel, G.: Mechanism of Electrogenic Cation Transport by the Cloned Organic Cation Transporter 2 from Rat. The Journal of Biological Chemistry 275 (38), pp. 29413 - 29420 (2000)
Journal Article
Sauer, G. A.; Nagel, G.; Koepsell, H.; Bamberg, E.; Hartung, K.: Voltage and substrate dependence of the inverse transport mode of the rabbit Na+/glucose cotransporter (SGLT1). FEBS Letters 469 (1), pp. 98 - 100 (2000)
1999
Journal Article
Nagel, G.: Differential function of the two nucleotide binding domains on cystic fibrosis transmembrane conductance regulator. Biochimica et Biophysica Acta-Biomembranes 1461 (2), pp. 263 - 274 (1999)
Journal Article
Weinreich, F.; Riordan, J. R.; Nagel, G.: Dual effects of ADP and adenylylimidodiphosphate on CFTR channel kinetics show binding to two different nucleotide binding sites. Journal of General Physiology 114 (1), pp. 55 - 70 (1999)
1998
Journal Article
Nagel, G.; Kelety, B.; Möckel, B.; Büldt, G.; Bamberg, E.: Voltage dependence of proton pumping by bacteriorhodopsin is regulated by the voltage-sensitive ratio of M1 to M2. Biophysical Journal 74 (1), pp. 403 - 412 (1998)
1997
Journal Article
Nagel, G.; Volk, C.; Friedrich, T.; Ulzheimer, J. C.; Bamberg, E.; Koepsell, H.: A Reevaluation of Substrate Specificity of the Rat Cation Transporter rOCT1. The Journal of Biological Chemistry 272 (51), pp. 31953 - 31956 (1997)
Journal Article
Friedrich, T.; Nagel, G.: Comparison of Na+/K+-ATPase pump currents activated by ATP concentration or voltage jumps. Biophysical Journal 73 (1), pp. 186 - 194 (1997)
Journal Article
Weinreich, F.; Wood, P. G.; Riordan, J. R.; Nagel, G.: Direct action of genistein on CFTR. Pflügers Archiv: European Journal of Physiology 434, pp. 484 - 491 (1997)
1996
Journal Article
Niu, L.; Vazquez, R.; Nagel, G.; Friedrich, T.; Bamberg, E.; Oswald, R. E.; Hess, G. P.: Rapid chemical kinetic techniques for investigations of neurotransmitter receptors expressed in Xenopus oocytes. Proceedings of the National Academy of Sciences of the United States of America 93 (23), pp. 12964 - 12968 (1996)
Journal Article
Friedrich, T.; Bamberg, E.; Nagel, G.: Na+,K+-ATPase pump currents in giant excised patches activated by an ATP concentration jump. Biophysical Journal 71 (5), pp. 2486 - 2500 (1996)
1995
Journal Article
Nagel, G.; Möckel, B.; Büldt, G.; Bamberg, E.: Functional expression of bacteriorhodopsin in oocytes allows direct measurement of voltage dependence of light induced H+ pumping. FEBS Letters 377 (2), pp. 263 - 266 (1995)
Journal Article
Gadsby, D.C.; Nagel, G.; Hwang, T.-C.: The CFTR chloride channel of mammalian heart. Annual Review of Physiology 57, pp. 387 - 416 (1995)
1992
Journal Article
Stengelin, M.; Eisenrauch, A.; Fendler, K.; Nagel, G.; van der Hijden, H.T.; de Pont, J.J.H.M.; Grell, E.; Bamberg, E.: Charge translocation of H,K-ATPase and Na,K-ATPase. Annals of the New York Academy of Sciences 671 (1), pp. 170 - 188 (1992)
1987
Journal Article
Nagel, G.; Fendler, K.; Grell, E.; Bamberg, E.: Na+ currents generated by the purified Na+K+-ATPase on planar lipid membranes. Biochimica et Biophysica Acta-Biomembranes 901 (2), pp. 239 - 249 (1987)

Book (1)

2002
Book
Powe, A.; Zhou, Z.; Hwang, T.-C.; Nagel, G. (Eds.): Quantitative Analysis of ATP-Dependent Gating of CFTR. Humana Press Inc., Totowa, NY, USA (2002), 67-98 pp.

Book Chapter (1)

1998
Book Chapter
Fendler, K.; Hartung, K.; Nagel, G.; Bamberg, E.: Investigation of charge translocation by ion pumps and carriers using caged substrates. In: Methods in Enzymology, Vol. 291, pp. 289 - 306 (Ed. Marriott, G.). Academic Press (1998)

Conference Paper (2)

1988
Conference Paper
Fendler, K.; Nagel, G.; Bamberg, E.: Pump Currents Generated by Renal Na+K+-ATPase on Black Lipid Membranes. Proceedings of the First Shoresh Workshop on Ion Pumps, Shoresh, Israel, August 30, 1987 - September 02, 1987. Progress in Clinical and Biological Research 273, pp. 225 - 232 (1988)
Conference Paper
Fendler, K.; van der Hijden, H. T.W.M.; Nagel, G.; de Pont, J. J. H.H.M.; Bamberg, E.: Pump Currents Generated by Renal Na+K+-ATPase and Gastric H+K+-ATPase on Black Lipid Membranes. Proceedings of the 5th International Conference on Na+K+-ATPase, Fuglsø Conference Center, Denmark, June 14, 1987 - June 19, 1987. Progress in Clinical and Biological Research 268A, pp. 501 - 510 (1988)

Thesis - Habilitation (1)

1999
Thesis - Habilitation
Nagel, G.: Die Anwendung der "giant patch"-Methode zur Untersuchung von aktivem und passivem Ionentransport: CFTR-Chloridkanal und Na/K-ATPase. Habilitation, Fachbereich Biochemie, Pharmazie und Lebensmittelchemie, Johann Wolfgang Goethe-Universität, Frankfurt am Main (1999)
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