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Neurobiology and Genetics

Publications Förster

  • Loss of function in the Drosophila clock gene period results in altered intermediary lipid metabolism and increased susceptibility to starvation. Schäbler, Stefan; Amatobi, Kelechi M.; Horn, Melanie; Rieger, Dirk; Helfrich-Förster, Charlotte; Mueller, Martin J.; Wegener, Christian; Fekete, Agnes. In Cellular and Molecular Life Sciences, 77, pp. 4939–4956. 2020.
  • A Functional Clock Within the Main Morning and Evening Neurons of D. melanogaster Is Not Sufficient for Wild-Type Locomotor Activity Under Changing Day Length. Menegazzi, Pamela; Beer, Katharina; Grebler, Verena; Schlichting, Matthias; Schubert, Frank K.; Helfrich-Förster, Charlotte. In Frontiers in Physiology, 11, p. 229. 2020.
  • The genetic basis of diurnal preference in Drosophila melanogaster. Pegoraro, Mirko; Flavell, Laura M. M.; Menegazzi, Pamela; Colombi, Perrine; Dao, Pauline; Helfrich-F{ö}rster, Charlotte; Tauber, Eran. In BMC Genomics, 21(1), p. 596. 2020.
  • Dopamine signaling in wake promoting clock neurons is not required for the normal regulation of sleep in Drosophila. Fernandez-Chiappe, Florencia; Hermann-Luibl, Christiane; Peteranderl, Alina; Reinhard, Nils; Senthilan, Pingkalai R.; Hieke, Marie; Selcho, Mareike; Yoshii, Taishi; Shafer, Orie T.; Muraro, Nara I.; Helfrich-F{ö}rster, Charlotte. In Journal of Neuroscience. Society for Neuroscience, 2020.
  • A Novel Thermal-Visual Place Learning Paradigm for Honeybees (Apis mellifera). Scheiner, Ricarda; Frantzmann, Felix; Jäger, Maria; Mitesser, Oliver; Helfrich-Förster, Charlotte; Pauls, Dennis. In Frontiers in Behavioral Neuroscience, 14, p. 56. 2020.
  • Single-cell resolution long-term luciferase imaging in cultivated Drosophila brains.. Schubert, Frank K.; Helfrich-Förster, Charlotte; Rieger, Dirk. 2020.
  • Model and Non-model Insects in Chronobiology. Beer, Katharina; Helfrich-Förster, Charlotte. In Frontiers in Behavioral Neuroscience, 14, p. 221. 2020.
  • Post-embryonic Development of the Circadian Clock Seems to Correlate With Social Life Style in Bees. Beer, Katharina; Helfrich-Förster, Charlotte. In Frontiers in Cell and Developmental Biology, 8, p. 1325. 2020.
  • The Circadian Clock Improves Fitness in the Fruit Fly, Drosophila melanogaster. Horn, Melanie; Mitesser, Oliver; Hovestadt, Thomas; Yoshii, Taishi; Rieger, Dirk; Helfrich-Förster, Charlotte. In Frontiers in Physiology, 10, p. 1374. 2019.
  • A distinct visual pathway mediates high light intensity adaptation of the circadian clock in Drosophila. Schlichting, M.; Menegazzi, P.; Rosbash, M.; Helfrich-Förster, C. In Journal of Neuroscience, 39(9), pp. 1621–1630. 2019.
  • The Circadian Clock Improves Fitness in the Fruit Fly, Drosophila melanogaster. Horn, Melanie; Mitesser, Oliver; Hovestadt, Thomas; Yoshii, Taishi; Rieger, Dirk; Helfrich-Förster, Charlotte. In Front Physiol, 10, p. 1374. 2019.
  • Medicine in the Fourth Dimension. Cederroth, Christopher R.; Albrecht, Urs; Bass, Joseph; Brown, Steven A.; Dyhrfjeld-Johnsen, Jonas; Gachon, Frederic; Green, Carla B.; Hastings, Michael H.; Helfrich-Förster, Charlotte; Hogenesch, John B.; Lévi, Francis; Loudon, Andrew; Lundkvist, Gabriella B.; Meijer, Johanna H.; Rosbash, Michael; Takahashi, Joseph S.; Young, Michael; Canlon, Barbara. In Cell Metabolism, 30(2), pp. 238–250. 2019.
  • Light-mediated circuit switching in the Drosophila neuronal clock network. Schlichting, Matthias; Weidner, Patrick; Diaz, Madelen; Menegazzi, Pamela; Dalla-Benetta, Elena; Helfrich-Foerster, Charlotte; Rosbash, Michael. In Current Biology, 29(19), pp. 3266–3276.e3. 2019.
  • Flies’ colour preferences depend on the time of day. Helfrich-Förster, Charlotte. In Nature, 574(7776), pp. 43–44. 2019.
  • The circadian clock uses different environmental time cues to synchronize emergence and locomotion of the solitary bee Osmia bicornis.. Beer, Katharina; Schenk, Mariela; Helfrich-Förster, Charlotte; Holzschuh, Andrea. In Scientific Reports, 9(1), p. 17748. 2019.
  • {Implications of the Sap47 null mutation for synapsin phosphorylation, longevity, climbing proficiency and behavioural plasticity in adult Drosophila}. Blanco-Redondo, Beatriz; Nuwal, Nidhi; Kneitz, Susanne; Nuwal, Tulip; Halder, Partho; Liu, Yiting; Ehmann, Nadine; Scholz, Nicole; Mayer, Annika; Kleber, Jörg; Kähne, Thilo; Schmitt, Dominique; Sadanandappa, Madhumala K.; Funk, Natalja; Albertova, Viera; Helfrich-Förster, Charlotte; Ramaswami, Mani; Hasan, Gaiti; Kittel, Robert J.; Langenhan, Tobias; Gerber, Bertram; Buchner, Erich. In Journal of Experimental Biology, 222(19). 2019.
  • Polarization Vision: Targets of Polarization-Sensitive Photoreceptors in the Drosophila Visual System. Helfrich-Förster, Charlotte. In Current Biology, 29(17), pp. R839 - R842. 2019.
  • Light input pathways to the circadian clock of insects with an emphasis on the fruit fly Drosophila melanogaster. Helfrich-Förster, Charlotte. In Journal of Comparative Physiology A, pp. 1–14. 2019.
  • Role of Rhodopsins as Circadian Photoreceptors in the Drosophila melanogaster. Senthilan, Pingkalai R.; Grebler, Rudi; Reinhard, Nils; Rieger, Dirk; Helfrich-Förster, Charlotte. In Biology, 8(1), p. 6. 2019.
  • Life at High Latitudes Does Not Require Circadian Behavioral Rhythmicity under Constant Darkness. Bertolini, Enrico; Schubert, Frank K.; Zanini, Damiano; Sehadová, Hana; Helfrich-Förster, Charlotte; Menegazzi, Pamela. In Current Biology, 29(22), pp. 3928–3936.e3. 2019.
  • Peptidergic signaling from clock neurons regulates reproductive dormancy in Drosophila melanogaster. Nagy, Dóra; Cusumano, Paola; Andreatta, Gabriele; Anduaga, Ane Martin; Hermann-Luibl, Christiane; Reinhard, Nils; Gesto, Joao; Wegener, Christian; Mazzotta, Gabriella; Rosato, Ezio; Kyriacou, Charalambos P; Helfrich-Förster, Charlotte; Costa, Rodolfo. In PLoS Genet, 15(6), p. e1008158. 2019.
  • Closely Related Fruit Fly Species Living at Different Latitudes Diverge in Their Circadian Clock Anatomy and Rhythmic Behavior. Beauchamp, Marta; Bertolini, Enrico; Deppisch, Peter; Steubing, Jonathan; Menegazzi, Pamela; Helfrich-Förster, Charlotte. In J Biol Rhythms, 33(6), pp. 602–613. 2018.
  • Sleep in Insects. Helfrich-Förster, Charlotte. In Annual Review of Entomology, 63(1). 2018.
  • The Circadian Clock of the Ant Camponotus floridanus Is Localized in Dorsal and Lateral Neurons of the Brain. Kay, Janina; Menegazzi, Pamela; Mildner, Stephanie; Roces, Flavio; Helfrich-Förster, Charlotte. In Journal of biological rhythms, 33(3), pp. 255–271. 2018.
  • The characterization of the circadian clock in the olive fly Bactrocera oleae (Diptera: Tephritidae) reveals a Drosophila-like organization. Bertolini, Enrico; Kistenpfennig, Christa; Menegazzi, Pamela; Keller, Alexander; Koukidou, Martha; Helfrich-Förster, Charlotte. In Sci Reports, 8(1), p. 816. 2018.
  • Drosophila {RSK} Influences the Pace of the Circadian Clock by Negative Regulation of Protein Kinase Shaggy Activity. Beck, Katherina; Hovhanyan, Anna; Menegazzi, Pamela; Helfrich-Förster, Charlotte; Raabe, Thomas. In Frontiers in Molecular Neuroscience, 11, p. 122. 2018.
  • Flies as models for circadian clock adaptation to environmental challenges. Helfrich-Förster, Charlotte; Bertolini, Enrico; Menegazzi, Pamela. In European Journal of Neuroscience, 51(1), pp. 116–181. 2018.
  • Neuroanatomical details of the lateral neurons of Drosophila melanogaster support their functional role in the circadian system. Schubert, F K; Hagedorn, N; Yoshii, T; Helfrich-Förster, C; Rieger, D. In J Comp Neurol, 526(7), pp. 1209–1231. 2018.
  • Pigment-Dispersing Factor-expressing neurons convey circadian information in the honey bee brain. Beer, Katharina; Kolbe, Esther; Kahana, Noa B.; Yayon, Nadav; Weiss, Ron; Menegazzi, Pamela; Bloch, Guy; Helfrich-Förster, Charlotte. In Open Biology, 8(1), p. 170224. 2018.
  • The CCHamide1 neuropeptide expressed in the anterior dorsal neuron 1 conveys a circadian signal to the ventral lateral neurons in Drosophila melanogaster. Fujiwara, Yuri; Hermann-Luibl, Christiane; Katsura, Maki; Sekiguchi, Manabu; Ida, Takanori; Helfrich-Förster, Charlotte; Yoshii, Taishi. In Frontiers in physiology, 9, p. 1276. 2018.
  • The Drosophila microbiome has a limited influence on sleep, activity, and courtship behaviors. Selkrig, Joel; Mohammad, Farhan; Ng, Soon Hwee; Chua, Jia Yi; Tumkaya, Tayfun; Ho, Joses; Chiang, Yin Ning; Rieger, Dirk; Pettersson, Sven; Helfrich-Foerster, Charlotte; others. In Scientific reports, 8(1), p. 10646. 2018.
  • The role of the circadian clock system in physiology. Pilorz, Violetta; Helfrich-F{ö}rster, Charlotte; Oster, Henrik. In Pfl{ü}gers Archiv - European Journal of Physiology. 2018.
  • Cryptochrome interacts with actin and enhances eye-mediated light sensitivity of the circadian clock in Drosophila melanogaster. Schlichting, Matthias; Rieger, Dirk; Cusumano, Paola; Grebler, Rudi; Costa, Rodolfo; Mazzotta, Gabriella; Helfrich-Förster, Charlotte. In Frontiers in Molecular Neuroscience, 11, p. 238. 2018.
  • A Tug-of-War between Cryptochrome and the Visual System Allows the Adaptation of Evening Activity to Long Photoperiods in Drosophila melanogaster. Kistenpfennig, C; Nakayama, M; Nihara, R; Tomioka, K; Helfrich-F{ö}rster, C; Yoshii, T. In Journal of biological rhythms, 33, pp. 24–34. 2017.
  • A damping circadian clock drives weak oscillations in metabolism and locomotor activity of aphids (Acyrthosiphon pisum). Beer, K; Joschinski, J; Arrazola Sastre, A; Krauss, J; Helfrich-Förster, C. In Sci Rep, 7(1), pp. 14906–14906. 2017.
  • Neuronal circadian clock protein oscillations are similar in behaviourally rhythmic forager honeybees and in arrhythmic nurses. Fuchikawa, T; Beer, K; Linke-Winnebeck, C; Ben-David, R; Kotowoy, A; Tsang, VWK; Warman, GR; Winnebeck, EC; Helfrich-Förster, C; Bloch, G. In Open Biology, 7(6), p. 170047. 2017.
  • Adaptation of circadian neuronal network to photoperiod in high-latitude European Drosophilids. Menegazzi, Pamela; Benetta, Elena Dalla; Beauchamp, Marta; Schlichting, Matthias; Steffan-Dewenter, Ingolf; Helfrich-Förster, Charlotte. In CURR BIOL, 27, pp. 833–839. 2017.
  • A new Rhodopsin influences light-dependent daily activity patterns of fruit flies. Kistenpfennig, Christa; Grebler, Rudi; Ogueta, Maite; Hermann-Luibl, Christiane; Schlichting, Matthias; Stanewsky, Ralf; Senthilan, Pingkalai R; Helfrich-Förster, Charlotte. In Journal of biological rhythms, 32(5), pp. 406–422. 2017.
  • The Drosophila Clock System. Helfrich-F{ö}rster, Charlotte. In Biological Timekeeping: Clocks, Rhythms and Behaviour, V. Kumar (ed.), pp. 133–176. Springer India, New Delhi, 2017.
  • Genetic variation of clock genes and cancer risk: a field synopsis and meta-analysis. Benna, C; Helfrich-Förster, C; Rajendran, S; Monticelli, H; Pilati, P; Nitti, D; Mocellin, S. In Oncotarget. 2017.
  • Drosophila Rhodopsin 7 can partially replace the structural role of Rhodopsin 1, but not its physiological function. Grebler, Rudi; Kistenpfennig, Christa; Rieger, Dirk; Bentrop, Joachim; Schneuwly, Stephan; Senthilan, Pingkalai R.; Helfrich-Förster, Charlotte. In Journal of Comparative Physiology A, pp. 1–11. 2017.
  • Organization of Circadian Behavior Relies on Glycinergic Transmission. Frenkel, Lia; Muraro, Nara I.; González, Andrea N. Beltrán; Marcora, María S.; Bernabó, Guillermo; Hermann-Luibl, Christiane; Romero, Juan I.; Helfrich-Förster, Charlotte; Castaño, Eduardo M.; Marino-Busjle, Cristina; Calvo, Daniel J.; Ceriani, M. Fernanda. In Cell Reports, 19(1), pp. 72–85. 2017.
  • Pea aphids (Hemiptera: Aphididae) have diurnal rhythms when raised independently of a host plant. Joschinski, Jens; Beer, Katharina; Helfrich-Förster, Charlotte; Krauss, Jochen. In J Insect Sci, 16(1), p. 31. 2016.
  • Rhodopsin 7--The unusual Rhodopsin in Drosophila. Senthilan, Pingkalai R; Helfrich-Förster, Charlotte. In PeerJ, 4, p. e2427. 2016.
  • A neural network underlying circadian entrainment and photoperiodic adjustment of sleep and activity in Drosophila. Schlichting, Matthias; Menegazzi, Pamela; Lelito, Katharine R; Yao, Zepeng; Buhl, Edgar; Dalla Benetta, Elena; Bahle, Andrew; Denike, Jennifer; Hodge, James John; Helfrich-Förster, Charlotte; others. In J Neurosci, 36(35), pp. 9084–9096. 2016.
  • Drosophila ezoana uses an hour-glass or highly damped circadian clock for measuring night length and inducing diapause. Vaze, Koustubh M; Helfrich-Förster, Charlotte. In Physiol Entomol, 41(4), pp. 378–389. 2016.
  • GSK-3 Beta does not stabilize cryptochrome in the circadian clock of Drosophila. Fischer, Robin; Helfrich-Förster, Charlotte; Peschel, Nicolai. In PLOS ONE, 11(1), pp. 1–17. 2016.
  • A new device for monitoring individual activity rhythms of honey bees reveals critical effects of the social environment on behavior. Beer, Katharina; Steffan-Dewenter, Ingolf; Härtel, Stephan; Helfrich-Förster, Charlotte. In J Comp Physiol A, 202(8), pp. 555–565. 2016.
  • Time-of-day-dependent adaptation of the {HPA} axis to predictable social defeat stress. Koch, C E; Bartlang, M S; Kiehn, J T; Lucke, L; Naujokat, N; Helfrich-Förster, C; Reber, S O; Oster, H. In J Endocrinol, 231(3), pp. 209–221. 2016.
  • The timed depolarization of morning and evening oscillators phase shifts the circadian clock of Drosophila. Eck, Saskia; Helfrich-Förster, Charlotte; Rieger, Dirk. In J Biol Rhythms, 31(5), pp. 428–442. 2016.
  • Allatostatin a signalling in Drosophila regulates feeding and sleep and is modulated by PDF. Chen, Jiangtian; Reiher, Wencke; Hermann-Luibl, Christiane; Sellami, Azza; Cognigni, Paola; Kondo, Shu; Helfrich-Förster, Charlotte; Veenstra, Jan A; Wegener, Christian. In PLOS Genet, 12(9), p. e1006346. 2016.
  • Circadian light-input pathways in Drosophila. Yoshii, Taishi; Hermann-Luibl, Christiane; Helfrich-Förster, Charlotte. In Commun Integr Biol, 9(1), p. e1102805. 2016.
  • How light resets circadian clocks. Johnsson, Anders; Helfrich-F{ö}rster, Charlotte; Engelmann, Wolfgang. In Photobiology, pp. 243–297. 2015.
  • Mutations in PNPLA6 are linked to photoreceptor degeneration and various forms of childhood blindness. Kmoch, S; Majewski, J; Ramamurthy, V; Cao, S; Fahiminiya, S; Ren, H; MacDonald, I M; Lopez, I; Sun, V; Keser, V; Khan, A; Str{á}necký, V; Hartmannov{á}, H; Přistoupilov{á}, A; Hodaňov{á}, K; Piherov{á}, L; Kuchař, L; Baxov{á}, A; Chen, R; Barsottini, O G; Pyle, A; Griffin, H; Splitt, M; Sallum, J; Tolmie, J L; Sampson, J R; Chinnery, P; {Care4Rare Canada}; Banin, E; Sharon, D; Dutta, S; Grebler, R; Helfrich-Foerster, C; Pedroso, J L; Kretzschmar, D; Cayouette, M; Koenekoop, R K. In Nat Commun, 6, pp. 5614–5614. 2015.
  • Photic entrainment in Drosophila assessed by locomotor activity recordings. Schlichting, Matthias; Helfrich-Förster, Charlotte. In Methods Enzymol, pp. 105–123. 2015.
  • Chapter Five - Photic Entrainment in Drosophila Assessed by Locomotor Activity Recordings. Schlichting, Matthias; Helfrich-Förster, Charlotte. In Circadian Rhythms and Biological Clocks, Part B, Vol. 552, A. Sehgal (ed.), pp. 105–123. 2015.
  • Clock network in Drosophila. Hermann-Luibl, Christiane; Helfrich-Förster, Charlotte. In Curr Opin Insect Sci, 7, pp. 65–70. 2015.
  • Normal vision can compensate for the loss of the circadian clock. Schlichting, Matthias; Menegazzi, Pamela; Helfrich-Förster, Charlotte. In Proc R Soc Lond B: Biol Sci, 282(1815), p. 20151846. 2015.
  • Twilight dominates over moonlight in adjusting Drosophila’s activity pattern. Schlichting, Matthias; Grebler, Rudi; Menegazzi, Pamela; Helfrich-Förster, Charlotte. In J Biol Rhythms, 30(2), pp. 117–128. 2015.
  • Cryptochrome-Dependent and -Independent Circadian Entrainment Circuits in Drosophila. Yoshii, Taishi; Hermann-Luibl, Christiane; Kistenpfennig, Christa; Schmid, Benjamin; Tomioka, Kenji; Helfrich-Förster, Charlotte. In J Neurosci, 35(15), pp. 6131–6141. 2015.
  • Flies remember the time of day. Chouhan, Nitin S.; Wolf, Reinhard; Helfrich-Förster, Charlotte; Heisenberg, Martin. In CURR BIOL, 25(12), pp. 1619–1624. 2015.
  • Repeated Psychosocial Stress at Night Affects the Circadian Activity Rhythm of Male Mice. Bartlang, Manuela S.; Oster, Henrik; Helfrich-Förster, Charlotte. In J Biol Rhythms, 30(3), pp. 228–241. 2015.
  • The MAP kinase p38 is part of Drosophila melanogaster’s circadian clock. Dusik, Verena; Senthilan, Pingkalai R; Mentzel, Benjamin; Hartlieb, Heiko; Wülbeck, Corinna; Yoshii, Taishi; Raabe, Thomas; Helfrich-Förster, Charlotte. In PLoS genetics, 10(8), p. e1004565. 2014.
  • The ion transport peptide is a new functional clock neuropeptide in the fruit fly Drosophila melanogaster. Hermann-Luibl, C; Yoshii, T; Senthilan, P R; Dircksen, H; Helfrich-Förster, C. In J Neurosci, 34(29), pp. 9522–9536. 2014.
  • From neurogenetic studies in the fly brain to a concept in circadian biology. Helfrich-Förster, C. In J Neurogenet, 28(3-4), pp. 329–347. 2014.
  • Repeated psychosocial stress at night, but not day, affects the central molecular clock. Bartlang, Manuela S; Savelyev, Sergey A; Johansson, Anne-Sofie; Reber, Stefan O; Helfrich-F{ö}rster, Charlotte; Lundkvist, Gabriella BS. In Chronobiol Int, 31(9), pp. 996–1007. 2014.
  • Moonlight detection by Drosophila’s endogenous clock depends on multiple photopigments in the compound eyes. Schlichting, M; Grebler, R; Peschel, N; Yoshii, T; Helfrich-Förster, C. In J Biol Rhythms, 29(2), pp. 75–86. 2014.
  • Identification and structural characterization of interneurons of the Drosophila brain by monoclonal antibodies of the Würzburg Hybridoma Library. Redondo, Beatriz Blanco; Bunz, Melanie; Halder, Partho; Sadanandappa, Madhumala K.; Mühlbauer, Barbara; Erwin, Felix; Hofbauer, Alois; Rodrigues, Veronica; VijayRaghavan, K.; Ramaswami, Mani; Rieger, Dirk; Wegener, Christian; Helfrich-Förster, Charlotte; Buchner, Erich. In PLOS ONE, 8(9), pp. 1–9. 2013.
  • The circadian clock network in the brain of different Drosophila species. Hermann, Christiane; Saccon, Rachele; Senthilan, Pingkalai R; Domnik, Lilith; Dircksen, Heinrich; Yoshii, Taishi; Helfrich-Förster, Charlotte. In J Comp Neurol, 521(2), pp. 367–388. 2013.
  • Drosophila clock neurons under natural conditions. Menegazzi, Pamela; Vanin, Stefano; Yoshii, Taishi; Rieger, Dirk; Hermann, Christiane; Dusik, Verena; Kyriacou, Charalambos P; Helfrich-Förster, Charlotte; Costa, Rodolfo. In J Biol Rhythms, 28(1), pp. 3–14. 2013.
  • Fly cryptochrome and the visual system. Mazzotta, Gabriella; Rossi, Alessandro; Leonardi, Emanuela; Mason, Moyra; Bertolucci, Cristiano; Caccin, Laura; Spolaore, Barbara; Martin, Alberto JM; Schlichting, Matthias; Grebler, Rudi; Helfrich-Förster, Charlotte; others. In Proc Natl Acad Sci, 110(15), pp. 6163–6168. 2013.
  • GABA(B) receptors play an essential role in maintaining sleep during the second half of the night in Drosophila melanogaster. Gmeiner, F; Kołodziejczyk, A; Yoshii, T; Rieger, D; Nässel, D R; Helfrich-Förster, C. In J Exp Biol, 216(Pt 20), pp. 3837–3843. 2013.
  • Chronobiology by moonlight. Kronfeld-Schor, Noga; Dominoni, Davide; de la Iglesia, Horacio; Levy, Oren; Herzog, Erik D; Dayan, Tamar; Helfrich-Forster, Charlotte. In Proc R Soc Lond B: Biol Sci, 280(1765), p. 20123088. 2013.
  • DroLIGHT: real time embedded system towards endogenous clock synchronization of drosophila. Ahmed, Zeeshan; Helfrich-Förster, C. In Front Neuroinform Conference Abstract: Neuroinformatics, Vol. 10. 2013.
  • DroLIGHT-2: real time embedded and data management system for synchronizing circadian clock to the light-dark cycles. Ahmed, Zeeshan; Helfrich-F{ö}rster, Charlotte. In Recent Patents on Computer Science, 6(3), pp. 191–205. 2013.
  • Integrating Formal UML Designs and HCI Patterns with Spiral SDLC in DroLIGHT Implementation. Ahmed, Zeeshan; Helfrich-Förster, Charlotte; Dandekar, Thomas. In Recent Patents on Computer Science, 6(2), pp. 85–98. 2013.
  • Human cryptochrome-1 confers light independent biological activity in transgenic Drosophila correlated with flavin radical stability. Vieira, Jacqueline; Jones, Alex R; Danon, Antoine; Sakuma, Michiyo; Hoang, Nathalie; Robles, David; Tait, Shirley; Heyes, Derren J; Picot, Marie; Yoshii, Taishi; Helfrich-Förster, Charlotte; others. In PLoS One, 7(3), p. e31867. 2012.
  • Two clocks in the brain. Yoshii, Taishi; Rieger, Dirk; Helfrich-Förster, Charlotte. In Progress in Brain Research, pp. 59–82. Elsevier {BV}, 2012.
  • Chapter 4 - Two clocks in the brain: An update of the morning and evening oscillator model in Drosophila. Yoshii, Taishi; Rieger, Dirk; Helfrich-Förster, Charlotte. In The Neurobiology of Circadian Timing, Vol. 199, M. M. {Andries Kalsbeek, R. G. Foster (eds.), pp. 59–82. 2012.
  • Time matters: pathological effects of repeated psychosocial stress during the active, but not inactive, phase of male mice. Bartlang, Manuela S; Neumann, Inga D; Slattery, David A; Uschold-Schmidt, Nicole; Kraus, Dominik; Helfrich-Förster, Charlotte; Reber, Stefan O. In J Endocrinol, 215(3), pp. 425–437. 2012.
  • Laboratory versus Nature The Two Sides of the Drosophila Circadian Clock. Menegazzi, Pamela; Yoshii, Taishi; Helfrich-Förster, Charlotte. In J Biol Rhythms, 27(6), pp. 433–442. 2012.
  • Neuropeptide F immunoreactive clock neurons modify evening locomotor activity and free-running period in Drosophila melanogaster. Hermann, Christiane; Yoshii, Taishi; Dusik, Verena; Helfrich-Förster, Charlotte. In J Comp Neurol, 520(5), pp. 970–987. 2012.
  • The ability to entrain to long photoperiods differs between 3 Drosophila melanogaster wild-type strains and is modified by twilight simulation. Rieger, Dirk; Peschel, Nicolai; Dusik, Verena; Glotz, Silvia; Helfrich-Förster, Charlotte. In J Biol Rhythms, 27(1), pp. 37–47. 2012.
  • Flies in the north: Locomotor behavior and clock neuron organization of Drosophila montana. Kauranen, Hannele; Menegazzi, Pamela; Costa, Rodolfo; Helfrich-Förster, Charlotte; Kankainen, Annaliisa; Hoikkala, Anneli. In J Biol Rhythms, 27(5), pp. 377–387. 2012.
  • Phase-shifting the fruit fly clock without cryptochrome. Kistenpfennig, Christa; Hirsh, Jay; Yoshii, Taishi; Helfrich-Förster, Charlotte. In J Biol Rhythms, 27(2), pp. 117–125. 2012.
  • The dual-oscillator system of Drosophila melanogaster under natural-like temperature cycles. Bywalez, Wolfgang; Menegazzi, Pamela; Rieger, Dirk; Schmid, Benjamin; Helfrich-Förster, Charlotte; Yoshii, Taishi. In Chronobiol Int, 29(4), pp. 395–407. 2012.
  • Pigment-dispersing factor is involved in age-dependent rhythm changes in Drosophila melanogaster. Umezaki, Yujiro; Yoshii, Taishi; Kawaguchi, Tomoaki; Helfrich-Förster, Charlotte; Tomioka, Kenji. In J Biol Rhythms, 27(6), pp. 423–432. 2012.
  • Setting the clock--by nature: circadian rhythm in the fruitfly Drosophila melanogaster. Peschel, Nicolai; Helfrich-Förster, Charlotte. In FEBS letters, 585(10), pp. 1435–1442. 2011.
  • A new ImageJ plug-in “ActogramJ” for chronobiological analyses. Schmid, Benjamin; Helfrich-Förster, Charlotte; Yoshii, Taishi. In J Biol Rhythms, 26(5), pp. 464–467. 2011.
  • Insect circadian clock outputs. Helfrich-Förster, Charlotte; Nitabach, Michael N; Holmes, Todd C. In Essays Biochem, 49, pp. 87–101. 2011.
  • Drosophila timeless2 is required for chromosome stability and circadian photoreception. Benna, Clara; Bonaccorsi, Silvia; W{ü}lbeck, Corinna; Helfrich-Förster, Charlotte; Gatti, Maurizio; Kyriacou, Charalambos P; Costa, Rodolfo; Sandrelli, Federica. In CURR BIOL, 20(4), pp. 346–352. 2010.
  • Cryptochrome-positive and-negative clock neurons in Drosophila entrain differentially to light and temperature. Yoshii, Taishi; Hermann, Christiane; Helfrich-Förster, Charlotte. In J Biol Rhythms, 25(6), pp. 387–398. 2010.
  • Das neuronale Netzwerk der Inneren Uhr. Helfrich-Förster, Charlotte. In Neuroforum, 16(1), p. 151. 2010.
  • Cryptochrome: A photoreceptor with the properties of a magnetoreceptor?. Ritz, Thorsten; Yoshii, Taishi; Helfrich-Förster, Charlotte; Ahmad, Margaret. In Commun Integr Biol, 3(1), pp. 24–27. 2010.
  • Cryptochrome mediates light-dependent magnetosensitivity of Drosophila’s circadian clock. Yoshii, Taishi; Ahmad, Margaret; Helfrich-Förster, Charlotte. In PLoS Biol, 7(4), p. e1000086. 2009.
  • The neuropeptide pigment-dispersing factor adjusts period and phase of Drosophila’s clock. Yoshii, Taishi; Wülbeck, Corinna; Sehadova, Hana; Veleri, Shobi; Bichler, Dominik; Stanewsky, Ralf; Helfrich-Förster, Charlotte. In J Neurosci, 29(8), pp. 2597–2610. 2009.
  • The nocturnal activity of fruit flies exposed to artificial moonlight is partly caused by direct light effects on the activity level that bypass the endogenous clock. Kempinger, Lena; Dittmann, Rainer; Rieger, Dirk; Helfrich-Förster, Charlotte. In Chronobiol Int, 26(2), pp. 151–166. 2009.
  • Synergic entrainment of Drosophila’s circadian clock by light and temperature. Yoshii, Taishi; Vanin, Stefano; Costa, Rodolfo; Helfrich-Förster, Charlotte. In J Biol Rhythms, 24(6), pp. 452–464. 2009.
  • Period gene expression in four neurons is sufficient for rhythmic activity of Drosophila melanogaster under dim light conditions. Rieger, Dirk; Wülbeck, Corinna; Rouyer, Francois; Helfrich-Förster, Charlotte. In J Biol Rhythms, 24(4), pp. 271–282. 2009.
  • Does the morning and evening oscillator model fit better for flies or mice?. Helfrich-Förster, Charlotte. In J Biol Rhythms, 24(4), pp. 259–270. 2009.
  • Blocking endocytosis in Drosophila’s circadian pacemaker neurons interferes with the endogenous clock in a PDF-dependent way. Wülbeck, Corinna; Grieshaber, Eva; Helfrich-Förster, Charlotte. In Chronobiol Int, 26(7), pp. 1307–1322. 2009.
  • Peptidergic clock neurons in Drosophila: ion transport peptide and short neuropeptide F in subsets of dorsal and ventral lateral neurons. Johard, Helena AD; Yoishii, Taishi; Dircksen, Heinrich; Cusumano, Paola; Rouyer, Francois; Helfrich-Förster, Charlotte; N{ä}ssel, Dick R. In J Comp Neurol, 516(1), pp. 59–73. 2009.
  • Macht die innere Uhr “mondsüchtig”?. Helfrich-Förster, Charlotte. In BIOspektrum, 5, pp. 491–492. 2009.
  • The role of PDF in the circadian clock. Helfrich-Förster, Charlotte; Yoshii, Taishi; Vanin, Stefano; Costa, Rodolfo. In Sleep Biol Rhythms, 7, pp. 130–143. 2009.
  • Neuropeptide PDF plays multiple roles in the circadian clock of Drosophila melanogaster. Helfrich-Förster, Charlotte. In Sleep Biol Rhythms, 7(3), pp. 130–143. 2009.
  • Pigment-dispersing factor (PDF) has different effects on Drosophila’s circadian clocks in the accessory medulla and in the dorsal brain. Wülbeck, Corinna; Grieshaber, Eva; Helfrich-Förster, Charlotte. In J Biol Rhythms, 23(5), pp. 409–424. 2008.
  • Cryptochrome is present in the compound eyes and a subset of Drosophila’s clock neurons. Yoshii, Taishi; Todo, Takeshi; Wülbeck, Corinna; Stanewsky, Ralf; Helfrich-Förster, Charlotte. In J Comp Neurol, 508(6), pp. 952–966. 2008.
  • The Lateral and Dorsal Neurons {ofDrosophila} melanogaster:New Insights about Their Morphology and Function. Helfrich-Förster, C.; Yoshii, T.; Wülbeck, C.; Grieshaber, E.; Rieger, D.; Bachleitner, W.; Cusumano, P.; Rouyer, F. In Cold Spring Harbor Symposia on Quantitative Biology, 72(1), pp. 517–525. Cold Spring Harbor Laboratory Press, 2007.
  • Immunohistochemistry in Drosophila. Helfrich-Förster, Charlotte. In Methods in Molecular Biology, pp. 533–547. Springer Nature, 2007.
  • Glutamate and its metabotropic receptor {inDrosophilaclock} neuron circuits. Hamasaka, Yasutaka; Rieger, Dirk; Parmentier, Marie-Laure; Grau, Yves; Helfrich-Förster, Charlotte; Nässel, Dick R. In J Comp Neurol, 505(1), pp. 32–45. 2007.
  • The fruit fly Drosophila melanogaster favors dim light and times its activity peaks to early dawn and late dusk. Rieger, Dirk; Fraunholz, Christina; Popp, Jochen; Bichler, Dominik; Dittmann, Rainer; Helfrich-Förster, Charlotte. In J Biol Rhythms, 22(5), pp. 387–399. 2007.
  • RNA in situ hybridizations on Drosophila whole mounts. W{ü}lbeck, Corinna; Helfrich-F{ö}rster, Charlotte. In Circadian Rhythms: Methods and Protocols, pp. 495–511. Springer, 2007.
  • Hofbauer-Buchner Eyelet Affects Circadian Photosensitivity and Coordinates {TIM} and {PER} Expression in Drosophila Clock Neurons. Veleri, Shobi; Rieger, Dirk; Helfrich-Förster, Charlotte; Stanewsky, Ralf. In J Biol Rhythms, 22(1), pp. 29–42. 2007.
  • Moonlight shifts the endogenous clock of Drosophila melanogaster. Bachleitner, Wolfgang; Kempinger, Lena; Wülbeck, Corinna; Rieger, Dirk; Helfrich-Förster, Charlotte. In Proc Natl Acad Sci, 104(9), pp. 3538–3543. 2007.
  • Development and morphology of the clock-gene-expressing lateral neurons of Drosophila melanogaster. Helfrich-Förster, Charlotte; Shafer, Orie T.; Wülbeck, Corinna; Grieshaber, Eva; Rieger, Dirk; Taghert, Paul. In J Comp Neurol, 500(1), pp. 47–70. 2006.
  • Reevaluation of Drosophila melanogaster’s neuronal circadian pacemakers reveals new neuronal classes. Shafer, Orie Thomas; Helfrich-Förster, Charlotte; Renn, Susan Christine Portia; Taghert, Paul H. In J Comp Neurol, 498(2), pp. 180–193. 2006.
  • Functional analysis of circadian pacemaker neurons in Drosophila melanogaster. Rieger, Dirk; Shafer, Orie Thomas; Tomioka, Kenji; Helfrich-F{ö}rster, Charlotte. In J Neurosci, 26(9), pp. 2531–2543. 2006.
  • The neural basis of Drosophila’s circadian clock. Helfrich-Förster, Charlotte. In Sleep Biol Rhythms, 4(3), pp. 224–234. 2006.
  • PDF has found its receptor. Helfrich-Förster, C. In Neuron, 48(2), pp. 161–163. 2005.
  • The Novel Drosophila timblind Mutation Affects Behavioral Rhythms but Not Periodic Eclosion. Wülbeck, Corinna; Szabo, Gisela; Shafer, Orie T.; Helfrich-Förster, Charlotte; Stanewsky, Ralf. In Genetics, 169(2), pp. 751–766. 2005.
  • Techniques that revealed the network of the circadian clock of Drosophila. Helfrich-F{ö}rster, Charlotte. In Methods in enzymology, 393, pp. 439–451. Elsevier, 2005.
  • Neurobiology of the fruit fly’s circadian clock. Helfrich-Förster, C. In Genes Brain Behav, 4(2), pp. 65–76. 2005.
  • Organization of endogenous clocks in insects. Helfrich-F{ö}rster, C. Portland Press Limited, 2005.
  • The circadian clock in the brain: a structural and functional comparison between mammals and insects. Helfrich-Förster, Charlotte. In J Comp Physiol A, 190(8). 2004.
  • Targeted ablation of CCAP neuropeptide-containing neurons of Drosophila causes specific defects in execution and circadian timing of ecdysis behavior. Park, Jae H.; Schroeder, Andrew J.; Helfrich-F{ö}rster, Charlotte; Jackson, F. Rob; Ewer, John. In Development, 130(12), pp. 2645–2656. 2003.
  • Cryptochrome, compound eyes, Hofbauer-Buchner eyelets, and ocelli play different roles in the entrainment and masking pathway of the locomotor activity rhythm in the fruit fly Drosophila melanogaster. Rieger, Dirk; Stanewsky, Ralf; Helfrich-Förster, Charlotte. In J Biol Rhythms, 18(5), pp. 377–391. 2003.
  • The neuroarchitecture of the circadian clock in the brain of Drosophila melanogaster. Helfrich-Förster, Charlotte. In Microsc Res Tech, 62(2), pp. 94–102. 2003.
  • A self-sustaining, light-entrainable circadian oscillator in the Drosophila brain. Veleri, Shobi; Brandes, Christian; Helfrich-Förster, Charlotte; Hall, Jeffrey C.; Stanewsky, Ralf. In Curr Biol, 13(20), pp. 1758–1767. 2003.
  • The circadian system of Drosophila melanogaster and its light input pathways1. Helfrich-Förster, Charlotte. In Zoology, 105(4), pp. 297–312. 2002.
  • Photoreceptors for the circadian clock of the fruitfly. Helfrich-F{ö}rster, C; Engelmann, W. In Biological rhythms, pp. 94–106. Springer, 2002.
  • The extraretinal eyelet of Drosophila: development, ultrastructure, and putative circadian function. Helfrich-F{ö}rster, Charlotte; Edwards, Tara; Yasuyama, Kouji; Wisotzki, Barbara; Schneuwly, Stephan; Stanewsky, Ralf; Meinertzhagen, Ian A; Hofbauer, Alois. In J Neurosci, 22(21), pp. 9255–9266. 2002.
  • Mushroom body influence on locomotor activity and circadian rhythms in Drosophila melanogaster. Helfrich-Förster, Charlotte; Wulf, Jörg; De Belle, J Steven. In J Neurogenet, 16(2), pp. 73–109. 2002.
  • The circadian clock of fruit flies is blind after elimination of all known photoreceptors. Helfrich-Förster, Charlotte; Winter, Christine; Hofbauer, Alois; Hall, Jeffrey C.; Stanewsky, Ralf. In Neuron, 30(1), pp. 249–261. 2001.
  • The regulation of circadian clocks by light in fruitflies and mice. Foster, R G; Helfrich-Förster, C. In Philos Trans R Soc Lond B Biol Sci, 356(1415), pp. 1779–1789. 2001.
  • The locomotor activity rhythm of Drosophila melanogaster is controlled by a dual oscillator system. Helfrich-Förster, Charlotte. In J Insect Physiol, 47(8), pp. 877–887. 2001.
  • Differential control of morning and evening components in the activity rhythm of Drosophila melanogaster-sex-specific differences suggest a different quality of activity. Helfrich-Förster, Charlotte. In J Biol Rhythms, 15(2), pp. 135–154. 2000.
  • Drosophila {CRY} is a deep brain circadian photoreceptor. Emery, Patrick; Stanewsky, Ralf; Helfrich-Förster, Charlotte; Emery-Le, Myai; Hall, Jeffrey C.; Rosbash, Michael. In Neuron, 26(2), pp. 493–504. 2000.
  • Ectopic expression of the neuropeptide pigment-dispersing factor alters behavioral rhythms in Drosophila melanogaster. Helfrich-Förster, Charlotte; Täuber, Marcus; Park, Jae H; M{ü}hlig-Versen, Max; Schneuwly, Stephan; Hofbauer, Alois. In J Neurosci, 20(9), pp. 3339–3353. 2000.
  • Differential regulation of circadian pacemaker output by separate clock genes in Drosophila. Park, J. H.; Helfrich-Forster, C.; Lee, G.; Liu, L.; Rosbash, M.; Hall, J. C. In Proc Natl Acad Sci, 97(7), pp. 3608–3613. 2000.
  • The 69 bp Circadian Regulatory Sequence (CRS) Mediatesper-Like Developmental, Spatial, and Circadian Expression and Behavioral Rescue in Drosophila. Hao, Haiping; Glossop, Nick RJ; Lyons, Lisa; Qiu, Jan; Morrish, Bronwyn; Cheng, Yuzhong; Helfrich-Förster, Charlotte; Hardin, Paul. In J Neurosci, 19(3), pp. 987–994. 1999.
  • Effects of small concentrations of volatile anesthetics on action potential firing of neocortical neurons In vitro. Antkowiak, Bernd; Helfrich-Förster, Charlotte. In Anesthesiology, 88(6), pp. 1592–1605. 1998.
  • Robust circadian rhythmicity of Drosophila melanogaster requires the presence of lateral neurons: a brain-behavioral study of disconnected mutants. Helfrich-Förster, C. In J. Comp. Physiol. A, 182(4), pp. 435–453. 1998.
  • Organization of the Circadian System in Insects. Helfrich-Förster, Charlotte; Stengl, Monika; Homberg, Uwe. In Chronobiol Int, 15(6), pp. 567–594. 1998.
  • Development of pigment-dispersing hormone-immunoreactive neurons in the nervous system of drosophila melanogaster. Helfrich-Förster, Charlotte. In J Comp Neurol, 380(3), pp. 335–354. 1997.
  • Spatial and temporal expression of the period andtimeless genes in the developing nervous system of Drosophila: newly identified pacemaker candidates and novel features of clock gene product cycling. Kaneko, Maki; Helfrich-F{ö}rster, Charlotte; Hall, Jeffrey C. In J Neurosci, 17(17), pp. 6745–6760. 1997.
  • Drosophila rhythms: from brain to behavior. Helfrich-Förster, Charlotte. In Semin Cell Dev Biol, 7(6), pp. 791–802. 1996.
  • The period clock gene is expressed in central nervous system neurons which also produce a neuropeptide that reveals the projections of circadian pacemaker cells within the brain of Drosophila melanogaster. Helfrich-Förster, Charlotte. In Proc Natl Acad Sci, 92(2), pp. 612–616. 1995.
  • Pigment-dispersing hormone-immunoreactive neurons in the nervous system of wild-type Drosophila melanogaster and of several mutants with altered circadian rhythmicity. Helfrich-Förster, Charlotte; Homberg, Uwe. In Journal of Comparative Neurology, 337(2), pp. 177–190. Wiley-Blackwell, 1993.
  • Evidences for circadian rhythmicity in the per0 mutant of Drosophila melanogaster. Helfrich, C; Engelmann, W. In J Biosci, 42(11-12), pp. 1335–1338. 1987.
  • Use of Drosophila melanogaster brain mutants for the localization of the pacemaker of circadian locomotor activity rhythm. Helfrich-F{ö}rster, Charlotte. In J Neurogenet, 4(2), pp. 137–140. 1987.
  • Role of the Optic Lobes in the Regulation of the Locomotor Activity Rhythm of Drosophila melanogaster: Behavioral Analysis of Neural Mutants. Helfrich, Charlotte. In J Neurogenet, 3(6), pp. 321–343. 1986.
  • Circadian activity rhythm of the house fly continues after optic tract severance and lobectomy. Helfrich, Charlotte; Cymborowski, Bronislaw; Engelmann, Wolfgang. In Chronobiol Int, 2(1), pp. 19–32. 1985.
  • Circadian rhythm of the locomotor activity in Drosophila melanogaster and its mutants ‘sine oculis’ and ‘small optic lobes’. Helfrich-Förster, Charlotte; Engelmann, Wolfgang. In Physiol Entomol, 8(3), pp. 257–272. 1983.