C. Helfrich-Förster

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Neurobiology of the fruit fly's circadian clock

C. Helfrich-Förster, 2004, Genes, brain, and behavior.

Women temporarily synchronize their menstrual cycles with the luminance and gravimetric cycles of the Moon

C. Helfrich-Förster, T. Hovestadt, S. Monecke, 2021, Science Advances.

The neuroarchitecture of the circadian clock in the brain of Drosophila melanogaster

Charlotte Helfrich-Förster, C. Helfrich-Förster, 2003, Microscopy research and technique.

MUSHROOM BODY INFLUENCE ON LOCOMOTOR ACTIVITY AND CIRCADIAN RHYTHMS IN DROSOPHILA MELANOGASTER

C. Helfrich-Förster, J. S. de Belle, J. Wulf, 2002, Journal of neurogenetics.

The locomotor activity rhythm of Drosophila melanogaster is controlled by a dual oscillator system

C. Helfrich-Förster, 2001 .

Differential regulation of circadian pacemaker output by separate clock genes in Drosophila.

J. C. Hall, M. Rosbash, C. Helfrich-Förster, 2000, Proceedings of the National Academy of Sciences of the United States of America.

The CCHamide1 Neuropeptide Expressed in the Anterior Dorsal Neuron 1 Conveys a Circadian Signal to the Ventral Lateral Neurons in Drosophila melanogaster

C. Helfrich-Förster, T. Ida, T. Yoshii, 2018, Front. Physiol..

How Light Resets Circadian Clocks

C. Helfrich-Förster, W. Engelmann, A. Johnsson, 2015 .

Organization of Circadian Behavior Relies on Glycinergic Transmission.

Charlotte Helfrich-Förster, C. Helfrich-Förster, M. F. Ceriani, 2017, Cell reports.

A Neural Network Underlying Circadian Entrainment and Photoperiodic Adjustment of Sleep and Activity in Drosophila

Andrew H Bahle, C. Helfrich-Förster, Edgar Buhl, 2016, The Journal of Neuroscience.

Hofbauer-Buchner Eyelet Affects Circadian Photosensitivity and Coordinates TIM and PER Expression in Drosophila Clock Neurons

C. Helfrich-Förster, R. Stanewsky, Shobi Veleri, 2007, Journal of biological rhythms.

Synergic Entrainment of Drosophila’s Circadian Clock by Light and Temperature

C. Helfrich-Förster, T. Yoshii, R. Costa, 2009, Journal of biological rhythms.

Period Gene Expression in Four Neurons Is Sufficient for Rhythmic Activity of Drosophila melanogaster under Dim Light Conditions

C. Helfrich-Förster, F. Rouyer, D. Rieger, 2009, Journal of biological rhythms.

Drosophila ezoana uses an hour‐glass or highly damped circadian clock for measuring night length and inducing diapause

C. Helfrich-Förster, K. M. Vaze, 2016, Physiological entomology.

Adaptation of Drosophila melanogaster to Long Photoperiods of High-Latitude Summers Is Facilitated by the ls-Timeless Allele

C. Helfrich-Förster, M. Pegoraro, E. Tauber, 2022, Journal of biological rhythms.

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

C. Helfrich-Förster, M. Schlichting, P. Menegazzi, 2020, Frontiers in Physiology.

Laboratory versus Nature

C. Helfrich-Förster, T. Yoshii, P. Menegazzi, 2012, Journal of biological rhythms.

Pigment-Dispersing Factor (PDF) Has Different Effects on Drosophila's Circadian Clocks in the Accessory Medulla and in the Dorsal Brain

C. Helfrich-Förster, C. Wülbeck, E. Grieshaber, 2008, Journal of biological rhythms.

The lateral and dorsal neurons of Drosophila melanogaster: new insights about their morphology and function.

C. Helfrich-Förster, T. Yoshii, F. Rouyer, 2007, Cold Spring Harbor symposia on quantitative biology.

Drosophilarhythms: from brain to behavior

C. Helfrich-Förster, 1996 .

Drosophila Clock Neurons under Natural Conditions

C. Helfrich-Förster, C. Kyriacou, T. Yoshii, 2013, Journal of biological rhythms.

Fly cryptochrome and the visual system

Alberto J. M. Martin, C. Helfrich-Förster, S. Tosatto, 2013, Proceedings of the National Academy of Sciences.

Use of a multioscillatory system to simulate experimental results obtained for the period-mutants of Drosophila melanogaster

C. Helfrich-Förster, A. Díez-Noguera, 1993 .

Unicellular organisms and genetics

C. Helfrich-Förster, A. Díez-Noguera, 1993 .

C. Helfrich-Förster, Marta Beauchamp, Peter Deppisch, 2018, Journal of biological rhythms.

The Neuropeptide PDF Is Crucial for Delaying the Phase of Drosophila’s Evening Neurons Under Long Zeitgeber Periods

C. Helfrich-Förster, K. M. Vaze, Koustubh M. Vaze, 2021, Journal of biological rhythms.

Insect circadian clock outputs.

C. Helfrich-Förster, M. Nitabach, T. Holmes, 2011, Essays in biochemistry.

The neural basis of Drosophila’s circadian clock

C. Helfrich-Förster, 2006 .

The MAP Kinase p38 Is Part of Drosophila melanogaster's Circadian Clock

C. Helfrich-Förster, T. Yoshii, Pingkalai R Senthilan, 2014, PLoS genetics.

The Neuronal Circuit of the Dorsal Circadian Clock Neurons in Drosophila melanogaster

C. Helfrich-Förster, T. Yoshii, Manabu Sekiguchi, 2022, Frontiers in Physiology.

The Gain and Loss of Cryptochrome/Photolyase Family Members during Evolution

C. Helfrich-Förster, Pingkalai R Senthilan, Peter Deppisch, 2022, Genes.

Moonlight shifts the endogenous clock of Drosophila melanogaster

C. Helfrich-Förster, D. Rieger, C. Wülbeck, 2007, Proceedings of the National Academy of Sciences.

The Ability to Entrain to Long Photoperiods Differs between 3 Drosophila melanogaster Wild-Type Strains and Is Modified by Twilight Simulation

C. Helfrich-Förster, Nicolai Peschel, D. Rieger, 2012, Journal of biological rhythms.

The genetic basis of diurnal preference in Drosophila melanogaster

C. Helfrich-Förster, M. Pegoraro, E. Tauber, 2018, BMC Genomics.

Single-cell resolution long-term luciferase imaging in cultivated Drosophila brains

C. Helfrich-Förster, D. Rieger, Frank K. Schubert, 2020, microPublication biology.

Repeated psychosocial stress at night, but not day, affects the central molecular clock

C. Helfrich-Förster, G. Lundkvist, S. Reber, 2014, Chronobiology international.

Immunohistochemistry in Drosophila

C. Helfrich-Förster, 2007 .

Normal vision can compensate for the loss of the circadian clock

C. Helfrich-Förster, M. Schlichting, Pamela Menegazzi, 2015, Proceedings of the Royal Society B: Biological Sciences.

The Drosophila microbiome has a limited influence on sleep, activity, and courtship behaviors

Jia Yi Chua, Adam Claridge‐Chang, C. Helfrich-Förster, 2018, Scientific Reports.

Two light sensors decode moonlight versus sunlight to adjust a plastic circadian/circalunidian clock to moon phase

Elliot J. Gerrard, Vinoth Babu Veedin Rajan, C. Helfrich-Förster, 2021, bioRxiv.

Medicine in the Fourth Dimension.

Steven A. Brown, A. Loudon, J. Takahashi, 2019, Cell metabolism.

A New ImageJ Plug-in “ActogramJ” for Chronobiological Analyses

Benjamin Schmid, Charlotte Helfrich-Förster, Taishi Yoshii, 2011, Journal of biological rhythms.

Drosophila Rhodopsin 7 can partially replace the structural role of Rhodopsin 1, but not its physiological function

C. Helfrich-Förster, Pingkalai R Senthilan, D. Rieger, 2017, Journal of Comparative Physiology A.

Rhodopsin 7–The unusual Rhodopsin in Drosophila

C. Helfrich-Förster, Pingkalai R Senthilan, 2016, PeerJ.

Role of Rhodopsins as Circadian Photoreceptors in the Drosophila melanogaster

C. Helfrich-Förster, Pingkalai R Senthilan, D. Rieger, 2019, Biology.

Genomic Response to Selection for Diurnality and Nocturnality in Drosophila

C. Helfrich-Förster, M. Pegoraro, E. Tauber, 2018, bioRxiv.

A damping circadian clock drives weak oscillations in metabolism and locomotor activity of aphids (Acyrthosiphon pisum)

C. Helfrich-Förster, J. Krauss, Jens Joschinski, 2017, Scientific Reports.

Circadian light-input pathways in Drosophila

C. Helfrich-Förster, T. Yoshii, Christiane Hermann-Luibl, 2015, Communicative & integrative biology.

Pigment-Dispersing Factor-expressing neurons convey circadian information in the honey bee brain

C. Helfrich-Förster, G. Bloch, N. Yayon, 2018, Open Biology.

Neuronal circadian clock protein oscillations are similar in behaviourally rhythmic forager honeybees and in arrhythmic nurses

G. Warman, C. Helfrich-Förster, G. Bloch, 2017, Open Biology.

Flies as models for circadian clock adaptation to environmental challenges

C. Helfrich-Förster, Enrico Bertolini, Pamela Menegazzi, 2018, The European journal of neuroscience.

Spatial and Temporal Expression of the period andtimeless Genes in the Developing Nervous System ofDrosophila: Newly Identified Pacemaker Candidates and Novel Features of Clock Gene Product Cycling

J. C. Hall, C. Helfrich-Förster, M. Kaneko, 1997, The Journal of Neuroscience.

Targeted ablation of CCAP neuropeptide-containing neurons of Drosophila causes specific defects in execution and circadian timing of ecdysis behavior

C. Helfrich-Förster, F. Jackson, Jae H. Park, 2003, Development.

Differential Control of Morning and Evening Components in the Activity Rhythm of Drosophila melanogaster—Sex-Specific Differences Suggest a Different Quality of Activity

C. Helfrich-Förster, 2000, Journal of biological rhythms.

Genetic variation of clock genes and cancer risk: a field synopsis and meta-analysis

C. Helfrich-Förster, S. Mocellin, D. Nitti, 2017, Oncotarget.

Post-embryonic Development of the Circadian Clock Seems to Correlate With Social Life Style in Bees

C. Helfrich-Förster, K. Beer, 2020, Frontiers in Cell and Developmental Biology.

Pigment‐dispersing hormone‐immunoreactive neurons in the nervous system of wild‐type Drosophila melanogaster and of several mutants with altered circadian rhythmicity

Uwe Homberg, C. Helfrich-Förster, U. Homberg, 1993, The Journal of comparative neurology.

Correction: Allatostatin A Signalling in Drosophila Regulates Feeding and Sleep and Is Modulated by PDF

C. Helfrich-Förster, S. Kondo, J. Veenstra, 2016, PLoS genetics.

Allatostatin A Signalling in Drosophila Regulates Feeding and Sleep and Is Modulated by PDF

C. Helfrich-Förster, S. Kondo, J. Veenstra, 2016, PLoS genetics.

Endocrine fine-tuning of daily locomotor activity patterns under non-starving conditions in Drosophila

Martin J. Mueller, P. Itskov, C. Helfrich-Förster, 2020, bioRxiv.

Implications of the Sap47 null mutation for synapsin phosphorylation, longevity, climbing proficiency and behavioural plasticity in adult Drosophila

E. Buchner, C. Helfrich-Förster, M. Ramaswami, 2019, Journal of Experimental Biology.

Sleep in Insects.

Charlotte Helfrich-Förster, C. Helfrich-Förster, 2018, Annual review of entomology.

The Timed Depolarization of Morning and Evening Oscillators Phase Shifts the Circadian Clock of Drosophila

C. Helfrich-Förster, D. Rieger, S. Eck, 2016, Journal of biological rhythms.

Reevaluation of Drosophila melanogaster's neuronal circadian pacemakers reveals new neuronal classes

C. Helfrich-Förster, P. Taghert, O. Shafer, 2006, The Journal of comparative neurology.

Functional Analysis of Circadian Pacemaker Neurons in Drosophila melanogaster

C. Helfrich-Förster, K. Tomioka, O. Shafer, 2006, The Journal of Neuroscience.

A Self-Sustaining, Light-Entrainable Circadian Oscillator in the Drosophila Brain

Jeffrey C. Hall, Ralf Stanewsky, Charlotte Helfrich-Förster, 2003, Current Biology.

The Extraretinal Eyelet of Drosophila: Development, Ultrastructure, and Putative Circadian Function

I. Meinertzhagen, C. Helfrich-Förster, R. Stanewsky, 2002, The Journal of Neuroscience.

The regulation of circadian clocks by light in fruitflies and mice.

C. Helfrich-Förster, R. Foster, C Helfrich-Förster, 2001, Philosophical transactions of the Royal Society of London. Series B, Biological sciences.

Antibodies Against the Clock Proteins Period and Cryptochrome Reveal the Neuronal Organization of the Circadian Clock in the Pea Aphid

C. Helfrich-Förster, T. Yoshii, F. Colizzi, 2021, Frontiers in Physiology.

Adaptation of Circadian Neuronal Network to Photoperiod in High-Latitude European Drosophilids

C. Helfrich-Förster, I. Steffan‐Dewenter, M. Schlichting, 2017, Current Biology.

The Ion Transport Peptide Is a New Functional Clock Neuropeptide in the Fruit Fly Drosophila melanogaster

C. Helfrich-Förster, T. Yoshii, H. Dircksen, 2014, The Journal of Neuroscience.

Neuropeptide F immunoreactive clock neurons modify evening locomotor activity and free‐running period in Drosophila melanogaster

C. Helfrich-Förster, T. Yoshii, Verena Dusik, 2012, The Journal of comparative neurology.

A New Rhodopsin Influences Light-dependent Daily Activity Patterns of Fruit Flies

C. Helfrich-Förster, R. Stanewsky, Pingkalai R Senthilan, 2017, Journal of biological rhythms.

Life at High Latitudes Does Not Require Circadian Behavioral Rhythmicity under Constant Darkness

C. Helfrich-Förster, H. Sehadová, D. Zanini, 2019, Current Biology.

The circadian clock network in the brain of different Drosophila species

C. Helfrich-Förster, T. Yoshii, H. Dircksen, 2013, The Journal of comparative neurology.

Flies in the North

A. Kankainen, C. Helfrich-Förster, R. Costa, 2012, Journal of biological rhythms.

Organization of the circadian system in insects.

C. Helfrich-Förster, U. Homberg, M. Stengl, 1998, Chronobiology international.

RNA in situ hybridizations on Drosophila whole mounts.

C. Helfrich-Förster, C. Wülbeck, 2007, Methods in molecular biology.

Model and Non-model Insects in Chronobiology

C. Helfrich-Förster, K. Beer, 2020, Frontiers in Behavioral Neuroscience.

Peptidergic signaling from clock neurons regulates reproductive dormancy in Drosophila melanogaster

C. Helfrich-Förster, C. Kyriacou, E. Rosato, 2019, PLoS genetics.

The Drosophila Clock System

C. Helfrich-Förster, 2017 .

Twilight Dominates Over Moonlight in Adjusting Drosophila’s Activity Pattern

C. Helfrich-Förster, M. Schlichting, R. Grebler, 2015, Journal of biological rhythms.

Moonlight Detection by Drosophila’s Endogenous Clock Depends on Multiple Photopigments in the Compound Eyes

C. Helfrich-Förster, T. Yoshii, Nicolai Peschel, 2014, Journal of biological rhythms.

Setting the clock – by nature: Circadian rhythm in the fruitfly Drosophila melanogaster

Charlotte Helfrich-Förster, C. Helfrich-Förster, Nicolai Peschel, 2011, FEBS letters.

Drosophila timeless2 Is Required for Chromosome Stability and Circadian Photoreception

C. Helfrich-Förster, C. Kyriacou, R. Costa, 2010, Current Biology.

A Distinct Visual Pathway Mediates High-Intensity Light Adaptation of the Circadian Clock in Drosophila

M. Rosbash, C. Helfrich-Förster, M. Schlichting, 2019, The Journal of Neuroscience.

GSK-3 Beta Does Not Stabilize Cryptochrome in the Circadian Clock of Drosophila

C. Helfrich-Förster, Robin Fischer, Nicolai Peschel, 2016, PloS one.

The Circadian Clock of Fruit Flies Is Blind after Elimination of All Known Photoreceptors

Jeffrey C. Hall, C. Helfrich-Förster, C. Winter, 2001, Neuron.

Loss of function in the Drosophila clock gene period results in altered intermediary lipid metabolism and increased susceptibility to starvation

Martin J. Mueller, C. Helfrich-Förster, Á. Fekete, 2020, Cellular and Molecular Life Sciences.

Ectopic Expression of the Neuropeptide Pigment-Dispersing Factor Alters Behavioral Rhythms in Drosophila melanogaster

C. Helfrich-Förster, Jae H. Park, A. Hofbauer, 2000, The Journal of Neuroscience.

Cryptochrome Interacts With Actin and Enhances Eye-Mediated Light Sensitivity of the Circadian Clock in Drosophila melanogaster

C. Helfrich-Förster, R. Costa, M. Schlichting, 2018, Front. Mol. Neurosci..

Cryptochrome-Dependent and -Independent Circadian Entrainment Circuits in Drosophila

C. Helfrich-Förster, T. Yoshii, K. Tomioka, 2015, The Journal of Neuroscience.

Clock network in Drosophila.

C. Helfrich-Förster, Christiane Hermann-Luibl, 2015, Current opinion in insect science.

Cryptochrome is present in the compound eyes and a subset of Drosophila's clock neurons

T. Todo, C. Helfrich-Förster, T. Yoshii, 2008, The Journal of comparative neurology.

An effective model of endogenous clocks and external stimuli determining circadian rhythms

T. Dandekar, C. Helfrich-Förster, Tim Breitenbach, 2021, Scientific Reports.

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

C. Helfrich-Förster, D. Rieger, Lena Kempinger, 2009, Chronobiology international.

The Drosophila microbiome has a limited influence on sleep, activity, and courtship behaviors

Adam Claridge‐Chang, C. Helfrich-Förster, J. Yew, 2018, bioRxiv.

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.

C. Helfrich-Förster, 1995, Proceedings of the National Academy of Sciences of the United States of America.

Drosophila CRY Is a Deep Brain Circadian Photoreceptor

Jeffrey C. Hall, M. Rosbash, C. Helfrich-Förster, 2000, Neuron.

The circadian clock in the brain: a structural and functional comparison between mammals and insects

C. Helfrich-Förster, 2004, Journal of Comparative Physiology A.

Polarization Vision: Targets of Polarization-Sensitive Photoreceptors in the Drosophila Visual System

C. Helfrich-Förster, 2019, Current Biology.

The Circadian Clock of the Ant Camponotus floridanus Is Localized in Dorsal and Lateral Neurons of the Brain

C. Helfrich-Förster, F. Roces, Pamela Menegazzi, 2018, Journal of biological rhythms.

Longitudinal observations call into question the scientific consensus that humans are unaffected by lunar cycles

C. Helfrich-Förster, T. Wehr, 2021, BioEssays : news and reviews in molecular, cellular and developmental biology.

The characterization of the circadian clock in the olive fly Bactrocera oleae (Diptera: Tephritidae) reveals a Drosophila-like organization

C. Helfrich-Förster, A. Keller, M. Koukidou, 2018, Scientific Reports.

Repeated Psychosocial Stress at Night Affects the Circadian Activity Rhythm of Male Mice

C. Helfrich-Förster, H. Oster, M. S. Bartlang, 2015, Journal of biological rhythms.

Glutamate and its metabotropic receptor in Drosophila clock neuron circuits

Yves Grau, Charlotte Helfrich-Förster, C. Helfrich-Förster, 2007, The Journal of comparative neurology.

Techniques that revealed the network of the circadian clock of Drosophila.

C. Helfrich-Förster, 2005, Methods in enzymology.

Peptidergic clock neurons in Drosophila: Ion transport peptide and short neuropeptide F in subsets of dorsal and ventral lateral neurons

C. Helfrich-Förster, D. Nässel, F. Rouyer, 2009, The Journal of comparative neurology.

Time-of-day-dependent adaptation of the HPA axis to predictable social defeat stress.

C. Helfrich-Förster, H. Oster, S. Reber, 2016, The Journal of endocrinology.

A damping circadian clock drives weak oscillations in metabolism and locomotor activity of aphids (Acyrthosiphon pisum)

C. Helfrich-Förster, J. Krauss, Jens Joschinski, 2017, Scientific Reports.

Human Cryptochrome-1 Confers Light Independent Biological Activity in Transgenic Drosophila Correlated with Flavin Radical Stability

Nigel S. Scrutton, Charlotte Helfrich-Förster, Taishi Yoshii, 2012, PloS one.

The Fruit Fly Drosophila melanogaster Favors Dim Light and Times Its Activity Peaks to Early Dawn and Late Dusk

C. Helfrich-Förster, D. Rieger, Rainer Dittmann, 2007, Journal of biological rhythms.

Pigment-dispersing factor is present in circadian clock neurons of pea aphids and may mediate photoperiodic signalling to insulin-producing cells

C. Helfrich-Förster, J. Veenstra, D. Martínez-Torres, 2023, bioRxiv.

Light input pathways to the circadian clock of insects with an emphasis on the fruit fly Drosophila melanogaster

C. Helfrich-Förster, 2019, Journal of Comparative Physiology A.

Contribution of cryptochromes and photolyases for insect life under sunlight

C. Helfrich-Förster, Pingkalai R Senthilan, Peter Deppisch, 2023, Journal of Comparative Physiology A.

Cryptochrome Mediates Light-Dependent Magnetosensitivity of Drosophila's Circadian Clock

Charlotte Helfrich-Förster, Taishi Yoshii, C. Helfrich-Förster, 2009, PLoS biology.

The circadian system of Drosophila melanogaster and its light input pathways.

C. Helfrich-Förster, 2002, Zoology.

The circadian clock uses different environmental time cues to synchronize emergence and locomotion of the solitary bee Osmia bicornis

C. Helfrich-Förster, A. Holzschuh, K. Beer, 2019, Scientific Reports.

Organization of endogenous clocks in insects.

C. Helfrich-Förster, 2005, Biochemical Society transactions.

The pigment‐dispersing factor neuronal network systematically grows in developing honey bees

C. Helfrich-Förster, S. Härtel, K. Beer, 2021, The Journal of comparative neurology.

A new device for monitoring individual activity rhythms of honey bees reveals critical effects of the social environment on behavior

C. Helfrich-Förster, I. Steffan‐Dewenter, S. Härtel, 2016, Journal of Comparative Physiology A.

-Sleep and the Circadian Clock in Insects

C. Helfrich-Förster, Enrico Bertolini, 2021, Reference Module in Neuroscience and Biobehavioral Psychology.

Dopamine Signaling in Wake-Promoting Clock Neurons Is Not Required for the Normal Regulation of Sleep in Drosophila

C. Helfrich-Förster, M. Selcho, T. Yoshii, 2020, The Journal of Neuroscience.

Dopamine signaling in wake promoting clock neurons is not required for the normal regulation of sleep in Drosophila

C. Helfrich-Förster, M. Selcho, Christiane Hermann-Luibl, 2020, bioRxiv.

Neuroanatomical details of the lateral neurons of Drosophila melanogaster support their functional role in the circadian system

C. Helfrich-Förster, T. Yoshii, D. Rieger, 2018, The Journal of comparative neurology.

GABAB receptors play an essential role in maintaining sleep during the second half of the night in Drosophila melanogaster

C. Helfrich-Förster, D. Nässel, T. Yoshii, 2013, Journal of Experimental Biology.

Pigment-Dispersing Factor Is Involved in Age-Dependent Rhythm Changes in Drosophila melanogaster

C. Helfrich-Förster, T. Yoshii, K. Tomioka, 2012, Journal of biological rhythms.

Light-Mediated Circuit Switching in the Drosophila Neuronal Clock Network

M. Rosbash, C. Helfrich-Förster, Madelen M. Díaz, 2019, Current Biology.

Biological timing: Linking the circadian clock to the season

C. Helfrich-Förster, 2023, Current Biology.

From Neurogenetic Studies in the Fly Brain to a Concept in Circadian Biology

C. Helfrich-Förster, 2014, Journal of neurogenetics.

Two clocks in the brain: an update of the morning and evening oscillator model in Drosophila.

Charlotte Helfrich-Förster, Taishi Yoshii, C. Helfrich-Förster, 2012, Progress in brain research.

The Neuropeptide Pigment-Dispersing Factor Adjusts Period and Phase of Drosophila's Clock

C. Helfrich-Förster, T. Yoshii, H. Sehadová, 2009, The Journal of Neuroscience.

Development and morphology of the clock‐gene‐expressing lateral neurons of Drosophila melanogaster

Charlotte Helfrich-Förster, C. Helfrich-Förster, P. Taghert, 2007, The Journal of comparative neurology.

A new device for monitoring individual activity rhythms of honey bees reveals critical effects of the social environment on behavior

C. Helfrich-Förster, I. Steffan‐Dewenter, S. Härtel, 2016, Journal of Comparative Physiology A.

Flies Remember the Time of Day

M. Heisenberg, C. Helfrich-Förster, R. Wolf, 2015, Current Biology.

The 69 bp Circadian Regulatory Sequence (CRS) Mediatesper-Like Developmental, Spatial, and Circadian Expression and Behavioral Rescue in Drosophila

P. Hardin, C. Helfrich-Förster, H. Hao, 1999, The Journal of Neuroscience.

Robust circadian rhythmicity of Drosophila melanogaster requires the presence of lateral neurons: a brain-behavioral study of disconnected mutants

C. Helfrich-Förster, 1998, Journal of Comparative Physiology A.

Development of pigment‐dispersing hormone‐immunoreactive neurons in the nervous system of Drosophila melanogaster

C. Helfrich-Förster, C Helfrich-Förster, 1997, The Journal of comparative neurology.

Pea Aphids (Hemiptera: Aphididae) Have Diurnal Rhythms When Raised Independently of a Host Plant

C. Helfrich-Förster, J. Krauss, Jens Joschinski, 2016, Journal of insect science.

The Novel Drosophila timblind Mutation Affects Behavioral Rhythms but Not Periodic Eclosion

C. Helfrich-Förster, R. Stanewsky, O. Shafer, 2005, Genetics.

A Tug-of-War between Cryptochrome and the Visual System Allows the Adaptation of Evening Activity to Long Photoperiods in Drosophila melanogaster

C. Helfrich-Förster, T. Yoshii, K. Tomioka, 2018, Journal of biological rhythms.

Neuropeptide PDF plays multiple roles in the circadian clock of Drosophila melanogaster

C. Helfrich-Förster, 2009 .

Photoreceptors for the Circadian Clock of the Fruitfly

C. Helfrich-Förster, W. Engelmann, 2002 .

BLOCKING ENDOCYTOSIS IN DROSOPHILA'S CIRCADIAN PACEMAKER NEURONS INTERFERES WITH THE ENDOGENOUS CLOCK IN A PDF-DEPENDENT WAY

C. Helfrich-Förster, C. Wülbeck, E. Grieshaber, 2009, Chronobiology international.

Does the Morning and Evening Oscillator Model Fit Better for Flies or Mice?

Charlotte Helfrich-Förster, C. Helfrich-Förster, 2009, Journal of biological rhythms.

The role of the circadian clock system in physiology

C. Helfrich-Förster, H. Oster, Violetta Pilorz, 2018, Pflügers Archiv - European Journal of Physiology.

Interactions between psychosocial stress and the circadian endogenous clock.

C. Helfrich-Förster, 2017, PsyCh journal.

Immediate effects of light on circadian eclosion and locomotor activity depend on distinct sensory input pathways

C. Helfrich-Förster, T. Triphan, M. Selcho, 2023, bioRxiv.

Optimized design and in vivo application of optogenetically functionalized Drosophila dopamine receptors

Ilona C. Grunwald Kadow, C. Helfrich-Förster, P. Soba, 2023, bioRxiv.

Photic entrainment in Drosophila assessed by locomotor activity recordings.

C. Helfrich-Förster, M. Schlichting, 2015, Methods in enzymology.

Drosophila RSK Influences the Pace of the Circadian Clock by Negative Regulation of Protein Kinase Shaggy Activity

C. Helfrich-Förster, T. Raabe, Pamela Menegazzi, 2018, Front. Mol. Neurosci..

The Dual-Oscillator System of Drosophila melanogaster Under Natural-Like Temperature Cycles

Charlotte Helfrich-Förster, Taishi Yoshii, C. Helfrich-Förster, 2012, Chronobiology international.

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

C. Helfrich-Förster, R. Stanewsky, D. Rieger, 2003, Journal of biological rhythms.

The circadian clock is required for rhythmic lipid transport in the Drosophila hemolymph in interaction with diet, photic condition and feeding

C. Helfrich-Förster, Á. Fekete, C. Wegener, 2023, bioRxiv.

The Circadian Clock Improves Fitness in the Fruit Fly, Drosophila melanogaster

C. Helfrich-Förster, T. Hovestadt, O. Mitesser, 2019, Front. Physiol..

Cryptochrome-Positive and -Negative Clock Neurons in Drosophila Entrain Differentially to Light and Temperature

C. Helfrich-Förster, T. Yoshii, Christiane Hermann, 2010, Journal of biological rhythms.

The circadian clock is required for rhythmic lipid transport in Drosophila in interaction with diet and photic condition.

C. Helfrich-Förster, Á. Fekete, C. Wegener, 2023, Journal of lipid research.

PDF Has Found Its Receptor

C. Helfrich-Förster, 2005, Neuron.

Time matters: pathological effects of repeated psychosocial stress during the active, but not inactive, phase of male mice.

C. Helfrich-Förster, D. Slattery, S. Reber, 2012, The Journal of endocrinology.

It’s all about seeing and hearing: the Editors’ and Readers’ Choice Awards 2022

C. Helfrich-Förster, E. Warrant, U. Homberg, 2022, Journal of Comparative Physiology A.

Allatostatin A Signalling in Drosophila Regulates Feeding and Sleep and Is Modulated by PDF

C. Helfrich-Förster, S. Kondo, J. Veenstra, 2016, PLoS genetics.

The lateral posterior clock neurons of Drosophila melanogaster express three neuropeptides and have multiple connections within the circadian clock network and beyond

C. Helfrich-Förster, T. Yoshii, Manabu Sekiguchi, 2021, The Journal of comparative neurology.

Characterization of clock‐related proteins and neuropeptides in Drosophila littoralis and their putative role in diapause

C. Helfrich-Förster, T. Yoshii, M. Zandawala, 2023, The Journal of comparative neurology.

Synaptic and peptidergic connectomes of the Drosophila circadian clock

C. Helfrich-Förster, T. Yoshii, M. Zandawala, 2023, bioRxiv.

Sleep in Insects.

C. Helfrich-Förster, 2018, Annual review of entomology.

Optimized design and in vivo application of optogenetically functionalized Drosophila dopamine receptors

Ilona C. Grunwald Kadow, C. Helfrich-Förster, P. Soba, 2023, Nature communications.

Flies’ colour preferences depend on the time of day

C. Helfrich-Förster, 2019, Nature.

Integrating Formal UML Designs and HCI Patterns with Spiral SDLC in DroLIGHT Implementation

Zeeshan Ahmed, Thomas Dandekar, Charlotte Helfrich-Förster, 2013 .

Phase-Shifting the Fruit Fly Clock without Cryptochrome

J. Hirsh, C. Helfrich-Förster, Christa Kistenpfennig, 2012, Journal of biological rhythms.

Two clocks in the brain: an update of the morning and evening oscillator model in Drosophila.

C. Helfrich-Förster, Taishi Yoshii, Dirk Rieger, 2012, Progress in Brain Research.

Period Gene Expression in Four Neurons Is Sufficient for Rhythmic Activity of Drosophila melanogaster under Dim Light Conditions

C. Helfrich-Förster, F. Rouyer, C. Wülbeck, 2009, Journal of biological rhythms.

Drosophila ezoana uses morning and evening oscillators to adjust its rhythmic activity to different daylengths but only the morning oscillator to measure night length for photoperiodic responses

C. Helfrich-Förster, Giulia Manoli, Koustubh M. Vaze, 2023, Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology.

Immediate effects of light on circadian eclosion and locomotor activity depend on distinct sensory input pathways

C. Helfrich-Förster, T. Triphan, M. Selcho, 2023, bioRxiv.