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Registrations closed since 07/09/2026 11:59 PM. For more information about, please contact the organizer..
Program

Day 1 - Wednesday, September 30th 2026

13:00 - 14:00 Registration
14:00 - 14:10 Opening comments

Session 1 

14:10 - 14:45 Keynote: Stephen West, The Francis Crick Institute, United Kingdom
RecA to RAD51: 50 Years of Discovery
14:45 - 15:10

Rajeev Kumar, INRAE, France
Insights into functions of RAD51 paralogs in Moss 
(Physcomitrium patens)   

15:10 - 15:25
Short talk: Suliane Quilleré, I2BC, France
Three functional interaction sites in the intrinsically disordered PpBRCA2 mediate PpRAD51-2 filament loading and stabilization
15:25 - 15:40
Short talk: Marie Imbert, Institut Pasteur, France
Structural and functional analyses of archaeal recombinases clarify the evolution of homologous recombination in eukaryotes
15:40 - 16:10 Coffee break
16:10 - 16:35
Angela Taddei, Institut Curie, France
Structure and Dynamics of Rad51 filaments during homology search
16:35 - 16:50
Short talk: Marie-Alice Minassian, Institut Curie, France
The Rad51 paralog complex Rad55–Rad57 acts as a key kinetic regulator of Rad51 filament nucleation
16:50 - 17:05
Short talk: Laurent Maloisel, CEA, France
Structural and functional insights into the Rad51 paralog complexes Shu and Rad55-Rad57 in association with Rad51 in homologous recombination
19:30 Dinner at « Le Barbezingue »

Day 2 - Thursday, October 1st 2026

09:00 - 09:30

Session 2

Welcome Coffee

09:30 - 10:05 Keynote: Xiadong Zhang, The Francis Crick Institute, United Kingdom
Structures and mechanisms of RAD51 modulators
10:05 - 10:30
Pauline Dupaigne, Institut Gustave Roussy, France
Molecular and Structural Insights into RAD51 and RAD52 at stalled
Replication Forks
10:30 - 10:45
Short talk: Frédéric Baudat, Institut of Human Genetics, France
The FIGNL1-FIRRM complex prevents massive DNA damage-
independent loading of RAD51 and DMC1 and is required
to complete meiotic recombination in mouse
10:45 - 11:00
Short talk: Hajar Saidi, CEA, France
A new mouse mutant reveals a specific role of
RPA-MEIOB-SPATA22 in the dynamics of RAD51-associated
meiotic recombination intermediates
11:00 - 11:30 Coffee break
11:30 - 11:55 Wolf Heyer, University of California, USA
Structures and functions of yeast Rad51 paralog complexes
11:55 - 12:10
Short talk: Françoise Ochsenbein, I2BC, France
From Disorder to Assembly: The Rad52 C-Terminus as an
Assembly Chaperone for Rad51 Filaments
12:10 - 12:25
Short talk: Patryk Ludzia, University of Cambridge, UK
Structural and biochemical characterization of BRCA2-dependant
loading of RAD51 filaments
12:25 - 12:35
Sponsors presentation: SFC, ARC, Université Paris Saclay
and Université Paris Cité 
12:30 - 14:30 Lunch and poster session #1

Session 3 

14:30 - 15:05
Maria Jasin, Sloan-Kettering Institute, USA
Complex roles for BRCA2 during meiosis
15:05 - 15:30 Roland Kanaar, Erasmus MC, The Netherlands
Dual posttranslational BRCA2 modification drives RAD51 
nucleoprotein filament assembly
15:30 - 15:45
Short talk: James Haber, Brandeis University, USA
Comparisons of Dmc1- and Rad51-mediated meiotic recombination
15:45 - 16:00
Short talk: Sophie Zinn-Justin, I2BC, France
The meiotic recombinogenic filament: a platform for binding to
intrinsically disordered regions of proteins
16:00 - 16:30 Coffee break
16:30 - 16:55 Kara Bernstein, University of Pennsylvania, USA
RAD51D promotes RAD51 filament formation by 
regulating BCDX2 ATPase activity
16:55 - 17:10
Short talk: Irena Draskovic, Institut Curie, France
Homologous recombination goes live: Endogenous tagging
of human RAD51 reveals the dynamic behavior of RAD51 filaments
17:10 - 17:25
Short talk: Alex Zelensky, Erasmus MC, Netherlands
Live Cell Imaging of Mouse RAD51
19:30 Dinner at « Le Barbezingue »

Day 3 - Friday, October 2nd 2026

09:00 -09:30

Session 4 

Welcome Coffee

09:30 - 10:05 Keynote: Vincenzo Costanzo, IFOM, Italy
The expanding roles of homologous recombination proteins
10:05 - 10:30 Akira Shinohara, Osaka University, Japan
The molecular mechanism and regulation of 
RAD51/DMC1/RecA-mediated homology search and 
strand exchange
10:30 - 10:45
Short talk: Martin Kupiec, Tel Aviv University, Israel
Why are elg1∆ srs2∆ double mutants dead?
10:45 - 11:00
Short talk: Luciana Cacciottola, CEA, France
Dissecting DNA repair pathway choice in primordial oocyte
radiosensitivity and ovarian reserve
11:00 - 11:30 Coffee break
11:30 - 11:55
Steve Kowalczykowski, University of California, USA
Imaging of RAD51 and RecA filament assembly facilitated by
recombination mediators
11:55 - 12:10
Short talk: Enora Corsin, Institut Biologie Paris-Seine, France
Unveiling cytoplasmic Rad51 filaments in Saccharomyces
cerevisiae under mechanical and genotoxic stress
12:10 - 12:25
Short talk: Caroline Dubacq, Sorbonne Université, France
RAD51’s coming out (the nucleus): a cytoplasmic role in
nervous system development
12:25 - 14:30 Lunch and poster session #2
14:30 - 15:05
Keynote: David Cortez, Vanderbilt University, USA
RAD51 function and regulation at the replication fork
15:05 - 15:30
Aurèle Piazza, ENS Lyon, France
Individual and conjoined roles of Rad55-Rad57 and Srs2
in regulating homology search
15:30 - 15:45
Short talk: Emilie Rass, CEA, France
Lamin B1 overexpression induces replicative stress:
causes and consequences
15:45 - 16:20
Keynote: Pablo Radicella, CEA, France
Interplay of helicases during natural transformation
of Helicobacter pylori
16:20 - 16:30 Closing comments
16:30 - 17:00 Closing coffee reception
17:00 Departure