Papers
2024
Wolfram M., Greif A., Baidukova O., Voll H., Tauber S., Lindacher J., Hegemann P., Kremer G. (2024) Insights into degradation and targeting of the photoreceptor channelrhodopsin-1. Plant, Cell & Environment 1-24. https://doi.org/10.1111/pce.15017
Kaziannis S., Broser M., van Stokkum I.H.M., Dostal J., Busse W., Munhoven A., Bernardo C., Kloz M., Hegemann P., Kennis J.T.M. (2024) Multiple retinal isomerizations during the early phase of the bestrhodopsin photoreaction. Proc. Natl. Acad. Sci USA 121 (12) e2318996121. doi.org/10.1073/pnas.2318996121
2023
Wolfram, M., Greif, A., Sizova, I., Baidukova, O., Hegemann, P., and Kreimer, G. (2023) Multifactorial in vivo regulation of the photoreceptor channelrhodopsin-1 abundance. Plant Cell Environ. 1–16. https://doi.org/10.1111/pce.14657
Fischer P., Schiewer E., Broser M., Busse W., Spreen A., Grosse M., Hegemann P., Bartl, F. (2023) The functionality of the DC pair in a Rhodopsin Guanylyl Cyclase from Catenaria anguillulae J. Mol. Biol. Dec 12:168375. doi.org/10.1016/j.jmb.2023.168375
Broser M., Andruniow T., Kraskov A., Palombo R., Katz S., Kloz M., Dostál J.D., Bernardo C., Kennis J.T.M., Hegemann P., Olivucci M., Peter Hildebrandt P. (2023) Experimental assessment of the electronic and geometrical structure of a near-infrared absorbing and highly fluorescent microbial rhodopsin. J. Phys. Chem. Lett 14, 9291−9295. doi.org/ 10.1021/arc.jpclett.3c02167
Oppermann, J., Rozenberg, A., Fabrin T., GonzalezCabrera C., Béjà, O., Prigge M., Hegemann, P. (2023) Robust Optogenetic Inhibition with Red-light sesitivie Anion-conducting Channelrhodopsin. bioRxiv, 06. 09.544329. doi.org/10.1101/2023.06.09.544329
Penzkofer, A., Silapetere, A., and Hegemann, P. (2023) Theoretical Investigation of the Photocycle Dynamics of the Archaerhodopsin 3 Based Fluorescent Voltage Sensor Archon2. J. Photochem. Photobiol. A:Chemistry 437, 114366. doi.org/10.1016/j.jphotochem.2022.114366
Hontani Y., Mehlhorn, J., Domratcheva, T., Beck, S., Kloz, M., Hegemann P., Mathes, T., Kennis J.T.M. (2023) Spectroscopic and Computational Observation of Glutamine Tautomerization in the Blue Light Sensing Using Flavin Domain Photoreaction. J. Am. Chem. Soc. 145,1040-1052 https://doi.org/10.1021/jacs.2c10621
Hegemann P. and Michel H. (2023) Dieter Oesterhelt (1940-2022) Pioneer of membrane protein research. Science 379, 337. https://doi.org/ 10.1126/science.adg5458
Hegemann P. and Michel H. (2023) Dieter Oesterhelt (1940–2022): Life with light and color, pioneer of membrane protein research. Biophysics and Physicobiology Vol. 20, e201010.
Bergs A.C.F., Liewald J., Rodriguez-Rozada S., Liu Q., Wirt C., Bessel A., Zeitzschel N., Durmaz H., Nozownik A., Jospin M., Vierock J., Bargmann C.I., Hegemann P., Wiegert J.S. and Gottschalk A. (2023) All-optical closed-loop voltage clamp for precise 1 control of muscles and neurons in live animals. Nature Comm. 14, 1939. doi.org/ 10.1038/s41467-023-37622-6
van Stokkum, I.H.M., Hontani Y., Vierock J., Krause B.S., Hegemann P. and Kennis J.T.M. (2023) Reaction Dynamics in the Chrimson Channelrhodopsin: Observation of Product-State Evolution and Slow Diffusive Protein Motions. J. Phys. Chem. Lett. 14, 6, 1485–1493. https://doi.org/10.1021/acs.jpclett. 2c03110
Catalan R.E., Fragkopulos A.A., von Trott N., Kelterborn S., Baidukova O., Hegemann P. and Bäumchen O. (2023) Light regulated adsorption and desorption of Chlamydomonas cells at surfaces. Soft Matter 19, 306 - 314. https://doi.org/10.1039/D2SM01039A
2022
Zinzius K, Marchetti GM, Fischer R, Milrad Y, Oltmanns A, Kelterborn S, Yacoby I, Hegemann P, Scholz M, Hippler M. (2022) Calredoxin regulates the chloroplast NADPH-dependent thioredoxin reductase in Chlamydomonas reinhardtii. bioRxiv, doi.org/10.1101/2022.11.22.517551
Baidukova O., Kelterborn S., Sizova I. and Hegemann P. (2022) Reverse Genetics. Chapter 17 In: Goodenough U. (eds) The Chlamydomonas Sourcebook. Volume 1: Introduction to Chlamydomonas and Its Laboratory, Academic Press, Cambridge, USA.
Baidukova O., Oppermann J., Kelterborn S., Fernandez Lahore R.G., Schumacher D., Evers H., Kamrani Y.Y. and Hegemann P. (2022) Gating and ion selectivity of Channelrhodopsins are critical for photo-activated orientation of Chlamydomonas as shown by in vivo point mutation. Nat. Commun. 13, 7253. https://doi.org/10.1038/s41467-022-35018-6
Silapetere A., Hwang S., Hontani Y., Lahore R.F., Balke J., Escobar F.R., Tros M., Konold P.E., Matis R., Croce R., Walla6, P.J., Hildebrandt, P., Alexiev U., Kennis J.T.M., Sun H., Utesch U., and Hegemann P. (2022) QuasAr Odyssey: The Origin of fluorescence and its voltage dependence in microbial rhodopsins. Nat. Commun. 13:5501. https://doi.org/10.1038/s41467-022-33084-4
Emiliani V., Entcheva E., Hedrich R., Hegemann P., Konrad K. R., Lüscher C., Mahn M., Pan Z. H., Sims R., Vierock J., Ofer Yizhar O. (2022) Optogenetics for light control of biological systems. Nature Reviews Methods Primers 2 (55). https://doi.org/10.1038/s43586-022-00136-4
Rozenberg A., Kaczmarczyk I., Matzov D., Vierock J., Nagata T., Sugiura M., Katayama K., Kawasaki Y., Konno M., Nagasaka Y., Aoyama M., Das I., Pahima E., Church J., Adam S., BorinV.A., Chazan A., Augustin S., Wietek J., Dine J., Peleg Y., Kawanabe A., Fujiwara Y., Yizhar O., Sheves M., Schapiro I., Furutani Y., Kandori H., Inoue K., Hegemann P., Béjà O., Shalev-Benami M. (2022) Rhodopsin-bestropin fusion proteins from unicellular algae form gigantic pentameric ion channels. Nature Structural Biology 29(6) 592-603. https://doi.org/10.1038/s41594-022-00783-x
Rodriguez-Rozada S., Wietek J., Tenedini F., Sauter K., Hegemann P., Soba P., and Wiegert JS. (2022) Temporally extended and reversible neuronal silencing with Aion. Comm. Biol. 5 (1), 1-15. https://doi.org/10.
Awasthi M., Ranjan P., Kelterborn S., Hegemann P. and Snell WJ. (2022) A cytoplasmic protein kinase couples engagement of Chlamydomonas ciliary receptors to cAMP-dependent cellular responses. J. Cell Sci,135 (10): jcs259814.
Kelterborn S., Boehning F., Sizova I., Baidukova O., Evers H., Hegemann P. (2022) Gene Editing in Green Alga Chlamydomonas reinhardtii via CRISPR-Cas9 Ribonucleoproteins. In: Zurbriggen M.D. (eds) Plant Synthetic Biology. Methods in Molecular Biology, vol 2379. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-1791-5_3
2021
Polito R., Temperini M-E., Ritter E., Pushkar L., Schade U., Broser M., Hegemann P., Baldassarre L., Ortolani M., Gilberti V. (2021) Conformational changes of a membrane protein determined by infrared difference spectroscopy beyond the diffraction limit. Physical Review Applied 16 (1), 014048 https://doi.org/10.1103/PhysRevApplied.16.014048
Ciccone G., Meloni I., Lahore R.F., Vierock J., Kleemann H., Hegemann P., Leo K., Murawski C. (2021) Tailoring Organic LEDs for bidirectional control via dual-color switching. Advanced Functional Materials 2110590 https://doi.org/10.1002/adfm.
Sizova I., Kelterborn S., Verbenko V., Kateriya S., Hegemann P. (2021) Chlamydomonas POLQ is necessary for CRISPR/Cas9-mediated gene targeting. G3: Genes, Genomes, Genetics 11 (7) https://doi.org/10.
Fischer P., Mukherejee S., Peter E., Broser M., Bartl F., Hegemann P. (2021) The inner mechanics of Rhodopsin Guanylyl Cyclase during cGMP-formation by real-time FTIR spectroscopy. eLife 10: e71384 https://elifesciences.org/articles/71384
Penzkofer A., Silapetere A., Hegemann P. (2021) Photocycle dynamics of the Archae-rhodopsin-3 based fluorescent voltage sensor Archin2. Photochem. Photobiol. B: Biology 225, 112331.
Vierock J., Rodriguez-Rozada S., Pieper F., Dieter A., Sims R., Tenedini F., Bendifallah I., Zhou F., Bergs A., Zeitzschel N., Ahlbeck J., Augustin S., Sauter K., Papagiakoumou E., Gottschalk A., Soba P., Emiliani V., Engel A.K., Hegemann P., Wiegert J.S. (2021) BiPOLES is a optogenetic tool developed for bidirectional dual-color control of neurons. Nat. Neurosci. 12 (4527)
https://doi.org/10.1038/s41467-021-24759-5
Oda K., Nomura T., Nakane T., Yamashita, K., Inoue K., Ito S., Vierock J., Hirata K., Maturana A.D., Katayama, K., Ikuta T., Ishigami I., Izume T., Umeda R., Eguma R., Oishi S., Kasuya G., Kato T., Kusakizako T., Shihoya W., Shimada H., Takatsuji T., Takemoto M., Taniguchi R., Tomita A., Nakamura R., Fukuda M., Miyauchi H., Lee Y., Nango E., Tanaka R., Tanaka T., Sugahara M., Kimura T., Shimamura T., Fujiwara T., Yamanaka Y., Owada S., Joti Y., Tono, K., Ishitani, R., Hayashi, S., Kandori H., Hegemann, P., Iwata, S., Kubo, M., Nishizawa T., Nureki O. (2021) TR-SFX reveals early reaction of ion pore formation in channelrhodopsin. E-Life 10:e62389. https://doi.org/10.7554/eLife.
Henss T., Nagpal J., Gao S., Scheib U., Pieragnolo, A., Hirschhäuser A., Schneider-Warme, F., Hegemann P., Nagel, G. and Gottschalk A. (2021) Optogenetic tools for manipulation of cyclic nucleotides, functionally coupled to CNG-channels. Br J Pharmacol https://doi.org/10.1111/bph.15445
2020
Broser M., Spreen A., Konold P.E., Peter E., Adam S., Borin V., Schapiro I., Seifert R., Kennis J.T.M., Bernal Sierra Y.A., and Hegemann P. (2020) NeoR, a near-infrared absorbing rhodopsin. Nat. Commun. 11:5682. https://doi.org/10.1038/s41467-020-19375-8
Rosenberg A., Oppermann J., Wietek J., Fernandez Lahore R.G., Sandaa R.-A., Bratbak G., Hegemann P., and Béjà O. (2020) Lateral gene transfer of anion-conducting channelrhodopsin between green algae and giant viruses. Current Biology, Oct 9:S0960-9822(20)31426-3. https://doi.10.1016/j.cub.2020.09.056
Penzkofer A., Silapetere A., Hegemann P. (2020) Absorption and Emission Spectroscopic Investigation of the Thermal Dynamics of the Archaerhodopsin 3 Based Fluorescent Voltage Sensor Archon2. Intern. J. Mol. Sci 21(18):E6576. https://doi.org/10.3390/ijms21186576
Kaufmann J.C.D., Krause B.S., Adam S., Ritter E., Schapiro I., Hegemann P., Bartl F.J. (2020) Modulation of Light Energy Transfer from Chromophore to Protein in the Channelrhodopsin ReaChR. Biophys J. 119(3):705-716. https://doi.org/10.1016/j.bpj.2020.06.031
Hontani Y., Broser M., Luck M., Weißenborn J., Kloz M., Hegemann P. and Kennis J.T.M. (2020) Double photoisomerization on distinct potential energy surfaces of unprotonated retinal in a UV absorbing rhodopsin. J. Am. Chem. Soc.21(1):160. https://doi.org/10.3390/ijms21010160
Friedrich, D., Brünig, F.N., Nieuwkoop A.J., Netz R.R., Hegemann P. and Oschkinat H. (2020) Collective exchange processes reveal an active site proton cage in bacteriorhodopsin. Communications Biology 3.4. doi.org/10.1038/s42003-019-0733-7
2019
Penzkofer, A., Silarpetere, A., Hegemann, P. (2019) Photocycle Dynamics of the Archaerhodopsin 3 Based Fluorescent Voltage Sensor Quasar1. Int. J. Mol. Sci. 21, 160 https://doi.org/10.3390/ijms21010160
Ritter, E., Puskar, L., Kim, S.Y., Park, J.H., Hofmann K.-P., Bartl F., Hegemann P., and Schade, U. (2019) Féry IR-spectrometer for Single-shot analysis of protein dynamics. J. Phys. Chem. Lett. 10, 24, 7672-7677. doi.org/10.1021/acs.jpclett.9b03099
Penzkofer, A., Silapetere, A., and Hegemann, P. (2019) Absorption and Emission Spectroscopic Investigation of the Thermal Dynamics of the Archaerhodopsin 3 Based Fluorescent Voltage Sensor QuasAr1. Int. J. Mol. Sci. 20, 4086 doi.org/10.3390/ijms20174086
Oppermann J., Fischer P., Salipetere A., Liepe B., Rodriguez-Rozada S., Flores-Uribe J.F., Peter E., Sharon I., Keidel A., Vierock J., Kaufmann J., Broser M., Luck M., Bartl F., Hildebrandt P., Wiegert J.S., Béjà O., Hegemann P., Wietek J. (2019) MerMAIDs: A novel family of metagenomically discovered, marine, anion-conducting and intensely desensitizing channelrhodopsins. Nature Comm. 10(1):3315. doi.org/10.1038/s41467-019-11322-6
Giliberti V, Polito R, Ritter E, Broser M, Hegemann P, Puskar L, Schade U, Zanetti-Polzi L, Daidone I, Corni S, Rusconi F, Biagioni P, Baldassarre L, Ortolani M. (2019) Tip-enhanced Infrared Difference-Nanospectroscopy of the Proton Pump Activity of Bacteriorhodopsin in Single Purple Membrane Patches. Nano Lett. 19(5):3104-3114. doi.org/10.1021/acs.nanolett.9b00512. Epub 2019 Apr 17.
Böhm M., Boness D., Fantisch E., Erhard, H., Frauenholz J., Kowalzyk Z., Marcinkowski N., Kateriya S., Hegemann P. and Kreimer G. (2019) Phosphorylation of Channelrhodopsin-1 responds to different physiological stimuli and influences the phototactic behavior of Chlamydomonas. Plant Cell 31(4):886-910. doi: 10.1105/tpc.18.00936.
Krause, B.S., Kaufmann, J.C.D., Kuhne, J., Vierock, V., Huber, T., Sakmar, T.P., Gerwert, K., Bartl, F.J., and Hegemann, P. (2019) Tracking pore hydration in channelrhodopsin by site-directed infrared-active azido probes. Biochemistry 58(9): 1275-1286. doi: 10.1021/acs.biochem.8b01211.
Jens Kuhne*, Johannes Vierock*, Stefan Tennigkeit, Jonas Wietek, Dennis Petersen, Max-Aylmer Dreier, Jonas Schartner, Konstantin Gavrilijuk, Samir F. El-Mashtoly, Peter Hegemann and Klaus Gerwert. (2019) A unifiying photocycle model unraveling light adaptation and temporal evolution of cation conductance in Channelrhodopsin-2 Proc Natl Acad Sci USA. 116(19):9380-9389. doi: 10.1073/pnas.1818707116.
Vogt, A., Silapetere, A., Grimm, C., Heiser, F., Möller, M.A. and Hegemann, P. (2019) Engineered Passive Potassium Conductance in the KR2 Sodium Pump. Biophys. J. 116, 1941-1951. doi.org/10.1016/j.bpj.2019.04.001
Mukherjee S, Hegemann P, Broser M. (2019) Enzymerhodopsins: novel photoregulated catalysts for optogenetics. Curr Opin Struct Biol. 2019 Apr 4;57:118-126. doi: 10.1016/j.sbi.2019.02.003. [Epub ahead of print] Review. PMID: 30954887
Luck M, Velázquez Escobar F, Glass K, Sabotke MI, Hagedorn R, Corellou F, Siebert F, Hildebrandt P, Hegemann P., Photoreactions of the Histidine Kinase Rhodopsin Ot-HKR from the Marine Picoalga Ostreococcus tauri.Biochemistry. 2019 Apr 9;58(14):1878-1891. doi: 10.1021/acs.biochem.8b01200. Epub 2019 Mar 21. PMID: 30768260
Fudim R., Szczepek M., Vierock J., Vogt A., Schmidt A., Kleinau G., Fischer P., Bartl FJ, Scheerer P., and Hegemann P. (2019) Design of a light-gated proton channel based on the high-resolution structure of Coccomyxa rhodopsin Sci. Signal. 12, eaav4203; doi: 10.1126/scisignal.aav4203
2018
Penzkofer A, Hegemann P, Kateriya S (2018) Organic dyes in optogenetics Organic Lasers and Organic Photonics. Edited by F J Duarte. Bristol: IOP Publishing. pp 13, 1-114
https://iopscience.iop.org/book/978-0-7503-1572-2.pdf
Bernal Sierra, Y.A.*, Rost, B.R.*, Pofahl, M.*, Fernandes, A.M., Kopton, R.A., Moser, S., Holtkamp, D., Masala, N., Beed, P., Tukker, J.J., et al. (2018). Potassium channel-based optogenetic silencing. Nature Communications 9, 4611. *equal contribution
https://www.nature.com/articles/s41467-018-07038-8
Oda, K., Vierock, J., Oishi, S., Rodriguez-Rozada, S., Taniguchi, R., Yamashita, K., Wiegert, J.S., Nishizawa, T., Hegemann, P., Nureki, O. (2018) Crystal structure of the red light-activated channelrhodopsin Chrimson. Nature Comm. 9(1):3949. doi: 10.1038/s41467-018-06421-9.
https://www.nature.com/articles/s41467-018-06421-9
Scheib, U., Broser, M., Constantin, O.M., Yang, S., Gao, S., Mukherjee, S., Stehfest, K., Nagel, G., Gee, C.E., Hegemann, P. (2018) Rhodopsin-cyclases for light-induced cGMP & cAMP production and 2.3 Å structure of an adenylyl cyclase domain. Nature Comm. 9(1):2046. doi: 10.1038/s41467-018-04428-w.
https://www.nature.com/articles/s41467-018-04428-w
Grimm, C., Silapetere, A., Vogt, A., Bernal Sierra, Y.A., Hegemann, P. (2018) Electrical properties, ion selectivity and optogenetic potential of an engineered light-driven sodium pump eKR2. Sci Rep. 8:9316. doi: 10.1038/ s41598-018-27690-w.
https://www.nature.com/articles/s41598-018-27690-w