Research Topics
| Georg NagelSummaryAffiliation: Max Planck Institute of Biophysics Country: Germany Publications
| Collaborators
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Detail Information
Publications
Channelrhodopsin-1: a light-gated proton channel in green algaeGeorg Nagel
Max Planck Institut fur Biophysik, Kennedyallee 70, 60596 Frankfurt am Main, Germany
Science 296:2395-8. 2002..We suggest that Channelrhodopsins are involved in phototaxis of green algae...
Channelrhodopsin-2, a directly light-gated cation-selective membrane channelGeorg Nagel
Max Planck Institut fur Biophysik, Marie Curie Strasse 15, 60439 Frankfurt, Germany
Proc Natl Acad Sci U S A 100:13940-5. 2003..Finally, we demonstrate that ChR2 may be used to depolarize small or large cells, simply by illumination...
Structural guidance of the photocycle of channelrhodopsin-2 by an interhelical hydrogen bondChristian Bamann
Max Planck Institut fur Biophysik, Max von Laue Strasse 3, 60438 Frankfurt, Germany
Biochemistry 49:267-78. 2010..Furthermore, we show that the D156A mutant is even more suitable for light control of excitable cells than C128A...
Spectral characteristics of the photocycle of channelrhodopsin-2 and its implication for channel functionChristian Bamann
Max Planck Institut fur Biophysik, Max von Laue Strasse 3, 60438 Frankfurt, Germany
J Mol Biol 375:686-94. 2008..We conclude that the red-shifted spectral species represents the open channel state, and the thermal relaxation of this intermediate, the transition from P(3) to P(4), is coupled to channel closing...
Fast manipulation of cellular cAMP level by light in vivoSaskia Schröder Lang
Max Planck Institut fur Biophysik, 60439 Frankfurt, Germany
Nat Methods 4:39-42. 2007..The activity of PACs is strongly and reversibly enhanced by blue light, providing a powerful tool for light-induced manipulation of cAMP in animal cells...
CFTR, investigated with the two-electrode voltage-clamp technique: the importance of knowing the series resistanceGeorg Nagel
Max Planck Institute of Biophysics, Marie Curie Str 15, D 60439 Frankfurt Main, Germany
J Cyst Fibros 3:109-11. 2004..A short description of the series resistance (RS) and its influence on measurements of channel characteristics is given...
Microbial rhodopsins in the spotlightChristian Bamann
Max Planck Institut fur Biophysik, Max von Laue Strasse 3, 60438 Frankfurt, Germany
Curr Opin Neurobiol 20:610-6. 2010....
Apparent affinity of CFTR for ATP is increased by continuous kinase activityTanjef Szellas
, Kennedyallee 70, D-60596 Frankfurt/Main, Germany
FEBS Lett 535:141-6. 2003..Both kinases, when continuously active, increase apparent affinity of CFTR to ATP about two-fold emphasizing the role of phosphorylation in modulating the interaction of ATP with the nucleotide binding domains...
The Ca/Ca exchange mode of the Na/Ca exchanger investigated by photolytic Ca2+ concentration jumpsAndreas Haase
, Kennedyallee 70, D-60596 Frankfurt, Germany
Ann N Y Acad Sci 976:113-6. 2002
Probing the sensory rhodopsin II binding domain of its cognate transducer by calorimetry and electrophysiologySilke Hippler-Mreyen
Department of Physical Biochemistry, Max-Planck-Institute of Molecular Physiology, Otto-Hahn-Strasse 11, D-44227 Dortmund, Germany
J Mol Biol 330:1203-13. 2003....
Increases in intracellular calcium triggered by channelrhodopsin-2 potentiate the response of metabotropic glutamate receptor mGluR7John H Caldwell
Department of Neurochemistry, Max Planck Institute for Brain Research, D 60528 Frankfurt am Main, Germany
J Biol Chem 283:24300-7. 2008....
Millisecond-timescale, genetically targeted optical control of neural activityEdward S Boyden
Department of Bioengineering, Stanford University, 318 Campus Drive West, Stanford, California 94305, USA
Nat Neurosci 8:1263-8. 2005..This technology allows the use of light to alter neural processing at the level of single spikes and synaptic events, yielding a widely applicable tool for neuroscientists and biomedical engineers...
Light activation of channelrhodopsin-2 in excitable cells of Caenorhabditis elegans triggers rapid behavioral responsesGeorg Nagel
Max Planck Institute for Biophysics, Max-von-Laue-Str. 3, D-60438 Frankfurt, Germany
Curr Biol 15:2279-84. 2005..Thus, specific neurons or muscles expressing ChR2 can be quickly and reversibly activated by light in live and behaving, as well as dissected, animals...
Multimodal fast optical interrogation of neural circuitryFeng Zhang
Department of Bioengineering, Stanford University, Stanford, California 94305, USA
Nature 446:633-9. 2007..NpHR and ChR2 form a complete system for multimodal, high-speed, genetically targeted, all-optical interrogation of living neural circuits...
Protein kinase-independent activation of CFTR by phosphatidylinositol phosphatesBettina Himmel
, Marie-Curie-Str. 15, D-60439 Frankfurt/Main, Germany
EMBO Rep 5:85-90. 2004..PIP(2) application to phosphorylated CFTR may inhibit the CFTR chloride current. We suggest that regulation of CFTR by PIP(2) is a previously unrecognized, alternative mechanism to control chloride conductance...
Light-induced activation of distinct modulatory neurons triggers appetitive or aversive learning in Drosophila larvaeChristian Schroll
Lehrstuhl für Genetik und Neurobiologie, Theodor Boveri Institut für Biowissenschaften, Universitat Wurzburg, Biozentrum, Am Hubland, 97074 Wurzburg, Germany
Curr Biol 16:1741-7. 2006..These findings demonstrate that antagonistic modulatory subsystems are sufficient to substitute for aversive and appetitive reinforcement during classical conditioning...
Different affinities of inhibitors to the outwardly and inwardly directed substrate binding site of organic cation transporter 2Christopher Volk
Institut fur Anatomie und Zellbiologie, Koellikerstr 6, 97070 Wurzburg, Germany
Mol Pharmacol 64:1037-47. 2003..A model is proposed that describes how substrates and inhibitors might interact with rOCT2. The data provide a theoretical basis to understand drug-drug interactions at polyspecific transporters for organic cations...
"Vision" in single-celled algaeSuneel Kateriya
, , 93040 Regensburg, Germany
News Physiol Sci 19:133-7. 2004..They promise to become a useful tool for noninvasive control of membrane potential and intracellular ion concentrations...
Quantitative analysis of ATP-dependent gating of CFTRAllan Powe
Department of Physiology, Dalton Cardiovascular Research Center, University of Missouri, Columbia, MO, USA
Methods Mol Med 70:67-98. 2002
