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Congress Organization

Prof. Henrik Oster

Chaoqun Jiang

Program

Welcome to the program overview for the EBRS 2025 Congress! In this presentation, we’ll provide you with a brief outline of the key sessions, topics, and events planned for this year's congress. Please note that this is a preliminary overview, and the schedule is subject to change as we finalize the details. Stay tuned for updates as we approach the event. We look forward to your participation!

Day to Day Program

Sunday 24 August 2025
EBRS 2025 - Additional Day Schedule
08:00 – 09:00 - Trainee Day Check-in and Coffee

09:00 – 09:15 - Welcome by the EBRS Trainee Board
Betty Rodriguez-Cortes (France)

09:15 – 10:00 - Keynote Lecture (AM 2)
Neuroendocrine mechanisms of seasonal adaptation and maladaptation
Speaker: Valérie Simonneaux (France)

10:15 – 11:00 - Trainee Day Session 1
AM 2: Basics of Chronobiology: Entrainment - Andrew Millar (UK)
AM 3: The SCN achieves global impact through relay and amplification of diffusible signaling - Rae Silver (USA)
AM 4: PhD survival kit - Arisa Hirano (Japan)

11:00 – 11:15 - Coffee Break

11:15 – 12:00 - Trainee Day Session 2
AM 2: Evolution of the circadian system - Emi Nagoshi (Switzerland)
AM 3: Clocks in different environments - Alex West (Norway) & Noga Kronfeld-Schor (Israel)
AM 4: Is there life after PhD? Academic vs industry - Pieterjan Dierickx (Germany) & Yuanyuan Chen (Germany)

12:00 – 13:15 - Lunch Break

13:15 – 14:00 - Trainee Day Session 3
AM 2: Circadian rhythms in plants - Alex Webb (UK)
AM 4: Sex differences in circadian regulation - Horacio de la Iglesia (USA)

14:00 – 14:30 - Coffee Break

14:30 – 15:15 - Trainee Day Session 4
AM 2: Circadian biology in clinical setting - Laura Kervezee (Netherlands) & Dirk Jan Stenvers (Netherlands)
AM 3: Non-traditional model organisms in chronobiology - Kristin Tessmar (Austria) & Martha Merrow (Germany)
AM 4: Trends and future of chronobiology - Ruud Buijs (Mexico) & Satchin Panda (USA)

15:15 – 16:00 - Trivia quiz and closing remarks

14:00 – 16:30 - Registration for EBRS Congress (Foyer)

16:45 – 17:00 - Congress Opening / Welcome (AM 1)

17:00 – 17:45 - Opening Keynote (AM 1)
Chrononutrition to Optimize Health
Speaker: Frank Scheer (Boston, USA)
Chair: Henrik Oster (Lübeck, Germany)

18:00 - Welcome Reception (Foyer)

Monday 25 August 2025
EBRS 2025 - Monday Schedule
08:45 – 09:15 - Welcome Coffee (Foyer)

09:15 – 10:00 - Kappers Lecture (AM 1)
Melatonin and Metabolomics: Tracking central and peripheral clock rhythms in humans
Chair: Christian Cajochen (Switzerland)
Speaker: Debra Skene (UK)
Talk title

10:00 – 10:30 - Coffee Break

Symposium 1: Clocks in the Brain
10:30 – 12:30 (AM 1)
Chair: Alena Sumová (Czech Republic)
10:30 - Suprachiasmatic circadian circuits
Speaker: Michael Hastings (UK)
10:55 - The SCN neuronal network in diurnal animals
Speaker: Johanna Meijer (Netherlands)
11:20 - Visualization of cellular and network rhythmicity in the suprachiasmatic nucleus in vivo
Speaker: Alec Davidson (USA)
11:45 - How clocks talk to clocks globally
Speaker: Rae Silver (USA)
12:10 - Selected abstract

Symposium 2: Metabolism
10:30 – 12:30 (AM 2)
Chair: Etienne Challet (France)
10:30 - Rhythms in the gut - a novel link between diet and metabolism?
Speaker: Silke Kiessling (Germany)
10:55 - The liver clock and its pervasive role in health and disease
Speaker: Atish Mukherji (France)
11:20 - Human meal anticipation
Speaker: Cheryl Isherwood (UK)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

Symposium 3: Biological Timing Frontiers in Psychiatric Disorders & Mental Health
10:30 – 12:30 (AM 3)
Chair: Thomas Erren (Germany)
10:30 - The light-dark cycle during development and later life affective disorders
Philip Lewis (Germany)
10:55 - New approaches to studying mechanisms underlying sleep and circadian rhythm disruption in mental health
Stuart Peirson (UK)
11:20 - Delayed sleep timing and mental disorder: implications and interventions
Nicholas Meyer (UK)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

Symposium 4: Short and Long Clocks
10:30 – 12:30 (AM 4)
Chairs: Kristin Tessmar-Raible (Austria) & Charlotte Förster (Germany)
10:30 - Lunar effects on the behavior of humans and other primates
Speaker: Horacio de la Iglesia (USA)
10:55 - Photoperiodism: insights from insects
Speaker: Sakiko Shiga (Japan)
11:20 - Timing in the deep sea: circatidal rhythms in a hot vent shrimp
Speaker: Jin Sun (China)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

12:30 – 12:40 - Group Photo of All Participants (Entrance Stairs)
12:40 – 14:00 - Lunch Break and Poster Session A

Symposium 5: Cell Biology
Sponsored by 3Brain AG

14:00 – 16:00 (AM 1)
Chair: Ganna Panasyuk (France)
14:00 - Talk
Speaker: Satchidananda Panda (USA)
14:25 - Talk
Speaker: Mimi Shirasu-Hiza (USA)
14:50 - Talk
Speaker: David Jacobi (France)
15:15 - Linking the establishment of circadian rhythm with the establishment of long-term epigenetic silencing
Speaker: Marnie Blewitt (Australia)
15:40 - Selected abstract

Symposium 6: Clock, Brain and Behavior
14:00 – 16:00 (AM 4)
Chair: Johanna H. Meijer (Netherlands)
14:00 - Time-Restricted Slow G-Protein Signaling in the SCN: A Mechanism for Rest Timing
Speaker: Masao Doi (Japan)
14:25 - Clock in the choroid plexus is a gatekeeper for the brain
Speaker: Alena Sumova (Czech Republic)
14:50 - Talk
Speaker: Martin Ralph (Canada)
15:15 - Selected abstract
15:30 - Selected abstract
15:45 - Selected abstract

Symposium 7: Circadian Medicine: Detecting the Clock
14:00 – 16:00 (AM 3)
Chair: Achim Kramer (Germany)
14:00 - Talk
Speaker: Derk-Jan Dijk (UK)
14:25 - Talk
Speaker: Felix Naef (Switzerland)
14:50 - Talk
Speaker: Luisa Klaus Pilz (Germany)
15:15 - Selected abstract
15:30 - Selected abstract
15:45 - Selected abstract

Symposium 8: Evolution
14:00 – 16:00 (AM 4)
Chair: Emi Nagoshi (Switzerland)
14:00 - Evolution of circadian clock genes
Speaker: David Doležel (Czech Republic)
14:25 - Mechanisms underlying circadian plasticity loss in an equatorial endemic species
Speaker: Michael Parviz Shahandeh (Switzerland)
14:50 - Punctual parasites: why are rhythms advantageous?
Speaker: Sarah Reece (UK)
15:15 - Selected abstract
15:30 - Selected abstract
15:45 - Selected abstract

16:00 – 16:30 - Coffee Break

Symposium 9: President’s Symposium
16:30 – 18:00 (AM 1)
Chair: Charalambos Kyriacou (UK)
16:30 – 16:35 - Introduction by Chair
16:35 - Circadian anti-tumor immune responses
Speaker: Christoph Scheiermann (Switzerland)
16:55 - Talk
Speaker: Charo Robles (Germany)
17:20 - Talk
Speaker: Hannah Durrington (UK)
17:40 - What drives daily rhythms in physiology?
Speaker: John O’Neill (UK)

Evening Activity - TBD

Tuesday 26 August 2025
EBRS 2025 - Tuesday Schedule
08:15 – 09:00 - EBRS Board Meeting (by invitation only) (AM S2)

08:45 – 09:15 - Welcome Coffee (Foyer)

09:15 – 10:00 - Axelrod Lecture (AM 1)
Discovering the Ins and Outs of the SCN based on its Prototypical Neurotransmitter Vasopressin
Chair: Ruud Buijs (Mexico)
Speaker: Andries Kalsbeek (Netherlands)

10:00 – 10:30 - Coffee Break

Symposium 10: Molecular Sleep Circuits
10:30 – 12:30 (AM 1)
Chair: Henrik Bringmann (Germany)
10:30 - Talk
Speaker: Niels Niethard (Germany)
10:50 - Sleep deprivation enhances decision making in larval zebrafish
Speaker: Hanna Zwaka (Germany)
11:10 - Talk
Speaker: David Owald (Germany)
11:30 - Sleep - A Worm's-Eye View
Speaker: Henrik Bringmann (Germany)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

Symposium 11: Endocrine Function
10:30 – 12:30 (AM 2)
Chair: Charna Dibner (Switzerland)
10:30 - Is there an optimal time of the day to exercise?
Speaker: Anna Krook (Sweden)
10:55 - Control of hepatic transcriptional and metabolic rhythms by glucocorticoid hormones
Speaker: Henriette Uhlenhaut (Germany)
11:20 - Restoring 24-hour substrate rhythmicity to improve glycemic control by timing of lifestyle factors
Speaker: Joris Hoeks (Netherlands)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

Symposium 12: Circadian Medicine: Targeting the Clock
10:30 – 12:30 (AM 3)
Chair: Sara Montagnese (Italy)
10:30 - Emerging links between the sleep and circadian system and cardiometabolic disease
Speaker: David Ray (UK)
10:55 - The Potential of Circadian Medicine in Preventing Acute and Chronic Outcomes of Critical Illness
Speakers: Lilian Engelhardt & Laura Hancke (Germany)
11:20 - Minding the Implementation Gap in Circadian Medicine: Lessons from ADHD
Speaker:Andrew Coogan (Ireland)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

Symposium 13: Clocks in the Wild
10:30 – 12:30 (AM 4)
Chair: Till Roenneberg (Germany)
10:30 - The circadian clock in the deep sea
Speaker: Audrey Mat (Austria)
10:55 - Effects of environmental factors on rhythms in mosquito-host interactions
Speaker: Clément Vinauger (USA)
11:20 - Ultradian sleep cycle dynamics during human infancy
Speaker: Grégory Hammad (Belgium)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

12:30 – 14:00 - Lunch Break and Poster Session B

Symposium 14: Post-translational Regulations in Clock and Sleep (JSC-EBRS Joint Symposium)
14:00 – 16:10 (AM 2)
Chair: Sato Honma (Japan)
14:00 - Talk
Speaker: Hikari Yoshitane (Japan)
14:25 - Towards Human Systems Biology of Sleep/Wake Cycles: The Role of Calcium and Phosphorylation in Sleep
Speaker: Hiroki Ueda (Japan)
14:50 - Talk
Speaker: Arisa Hirano (Japan)
15:15 - Selected abstract
15:30 - Selected abstract
15:45 - Selected abstract

Symposium 15: ESRS-EBRS Joint Symposium
14:00 – 16:00 (AM 3)
Chair: tba
14:00 - Sleep & Rhythm in Neurodegeneration
Dieter Kunz (Germany)
14:25 - Effects of photoperiod in development and adulthood on sleep
Tom de Boer (Netherlands)
14:50 - Sleep is for brain cleaning – mechanisms and function of the glymphatic system
Natalie Hauglund (UK)
15:15 - Talk
Lisa Marshall (Germany)
15:40 - Selected abstract

Symposium 16: Metabolic Disorders
14:00 – 16:00 (AM 3)
Chair: Chair: Susanne la Fleur & Dirk Jan Stenvers (Netherlands)
14:00 - Talk
Speaker:Jonathan Cedernaes (Sweden)
14:25 - Talk
Speaker: Charna Dibner (Switzerland)
14:50 - The circadian control of energy metabolism: implications for people with obesity, type 2 diabetes, and shift workers
Speaker: Dirk Jan Stenvers (Netherlands)
15:30 - Selected abstract
15:45 - Selected abstract
15:45 - Selected abstract
Symposium 17: Neural Circuits Controlling Circadian Timekeeping
14:00 – 16:00 (AM 4)
Chair: Marco Brancaccio (UK)
14:00 - Glial control of circadian rhythms
Speaker: Marco Brancaccio (UK)
14:25 - Dissecting the Neural Network of Mammalian Circadian Clock
Speaker: Jun Yan (China)
14:50 - The role of oligodendroglia in sleep and circadian rhythms
Speaker: Erin Gibson (USA)
15:15 - Selected abstract
15:30 - Selected abstract
15:45 - Selected abstract


16:00 – 16:30 - Coffee Break

16:30 – 17:15 - JSC Lecture (AM 1)
Neuronal feedback loop in the mammalian central circadian clock
Chair: Ken-ichi Honma (Japan)
Speaker: Michihiro Mieda (Japan)


Evening Activity - TBD

Wednesday 27 August 2025
EBRS 2025 - Wednesday Schedule
08:45 – 09:15 - Welcome Coffee (Foyer)

09:15 – 10:00 - Gwinner Lecture (AM 1)
Chair: Luisa Klaus Pilz (Germany)
Speaker: Martha Merrow (Germany)
Talk title

10:00 – 10:30 - Coffee Break

Symposium 18: Systems Chronobiology
10:30 – 12:30 (AM 1)
Chair: Felix Naef (Switzerland)
10:30 - Talk
Speaker: Achim Kramer (Germany)
10:55 - Human genetics of the clock and light sensitivity
Speaker: Jacqueline Lane (USA)
11:20 - Systemwide transcriptome and behavioral plasticity as an adaptation strategy to changing energy demand
Speaker: Laura van Rosmalen (USA)
11:45 - Talk
Speaker: Ruud M Buijs (Mexico)
12:10 - Selected abstract
Symposium 19: Wherefore a TTFL?
10:30 – 12:30 (AM 2)
Chair: Martin Ralph (Canada)
10:30 - Preparation for food availability, and other important things
Speaker: Ralph Mistlberger (Canada)
10:55 - A dopamine regulated circadian resonator underlying sensorimotor integration
Speaker: Adam Stinchcombe (Canada)
11:20 - Ageing and circadian rhythm-dependent epigenomic regulation
Speaker: Arturas Petronis (Canada)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

Symposium 20: Circadian Medicine in Patient Care
10:30 – 12:30 (AM 3)
Chair: Laura Kervezee (Netherlands)
10:30 - Light, circadian rhythms, and psychiatry
Speaker: Elise McGlashan (Australia)
10:55 - Sampling in the real world: What can ambulatory biosampling tell us about our rhythms?
Speaker: Thomas Upton (UK)
11:20 - Circadian Medicine in the Intensive Care Unit
Speaker: Laura Kervezee (Netherlands)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

Symposium 21: Clocks in Diverse Species
10:30 – 12:30 (AM 4)
Chair: Cristiano Bertolucci (Italy)
10:30 - Living without “clock”: Exploring cnidarians endogenous rhythm
Speaker: Oren Levy (Israel)
10:55 - The sexy clock of the bee: The influence of sex and caste on circadian rhythms
Speaker:Guy Bloch (Israel)
11:20 - Clocks in the dark: Adaptations of circadian clocks in cave animals
Speaker:Nicholas Foulkes (Germany)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract


12:30 – 14:00 - EBRS Members’ Assembly (AM 1)

14:00 – 19:00 - Free Time or Social Activities

19:00 - Banquet in Schuppen 9
Presentation of the Kappers Medal Recipient
Ashoff’s Ruler

Thursday 28 August 2025
EBRS 2025 - Thursday Schedule
08:45 – 09:15 - Welcome Coffee (Foyer)

09:15 – 10:00 - Keynote Lecture (AM 1)
Circadian temporal organization of behaviour and its benefits in insects
Chair: Francois Rouyer (France)
Speaker: Ralf Stanewsky (Germany)
Talk title

10:00 – 10:30 - Coffee Break

Symposium 22: Computation and Modeling
10:30 – 12:30 (AM 1)
Chair: Hanspeter Herzel (Germany)
10:30 - Mathematical modeling and controlling of spatiotemporal dynamics in Arabidopsis circadian clock
Speaker: Isao Tokuda (Japan)
10:55 - Deciphering the role of rhythmic stability for circadian dynamics through single-cell analysis and mathematical modeling
Speaker: Marta del Olmo (Spain)
11:20 - Fundamental limits to (Deep) Learning circadian clock phase from single-cell snapshot data
Speaker: Shaon Chakrabarti (India)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

Symposium 23: Circadian Regulation of Immunity
10:30 – 12:30 (AM 2)
Chair: Julie Gibbs (UK)
10:30 - Host immune responses and circadian rhythms in the context of malaria and leishmaniasis
Speaker: Nicolas Cermakian (Canada)
10:55 - The molecular circadian clock in asthma
Speaker: Eva Böhm (Austria)
11:20 - Exploring the role of circadian rhythms in Neurodevelopmental disorders
Speaker: Paola Tognini (Italy)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

Symposium 24: At the Intersection of Light, Sleep, and Circadian Timing (ACS-EBRS Joint Symposium)
10:30 – 12:30 (AM 3)
Chair: Oliver Rawashdeh (Australia)
10:30 - Interactive effects of sleep, circadian timing, and light on mood and cognition in adolescents
Speaker: Shanthakumar Wilson Rajaratnam (Australia)
10:55 - Individual variability in light-dark patterns and circadian entrainment
Speaker: Julia Stone (Australia)
11:20 - New perspectives on the molecular control of circadian timing and sleep
Speaker: Oliver Rawashdeh (Australia)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

Symposium 25: Seasonality
10:30 – 12:30 (AM 4)
Chair: Takashi Yoshimura (Japan)
10:30 - Hypothalamic tanycytes as mediators of maternally programmed seasonal plasticity
Speaker: Shona Wood (Norway)
10:55 - Photoperiodism and temperature interaction in voles
Speaker: Roelof Hut (Netherlands)
11:20 - The winter blue-greens: how cyanobacteria anticipate the seasons
Speaker: Luisa Jabbur (UK)
11:45 - Selected abstract
12:00 - Selected abstract
12:15 - Selected abstract

12:30 – 14:00 - Lunch Break and Poster Session C

14:00 – 14:30 - Awards
Congress Closing

Program Overview

Trainee Day Program