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Tuesday, October 17
Wednesday, October 18
Thursday, October 19
Friday, October 20
Pre-Meeting Trainee Workshop (Loeb 260)
HCR and high-resolution imaging techniques
Moderators: Carrie Albertin (MBL) & Laurent Formery (Stanford)
14:30 – 15:30
Coffee Break
Single cell/nucleus transcriptomics as a tool to understand animal evolution and development
Moderators: Annie Meyer (CMU) and Periklis Paganos (MBL)
16:00 – 17:00
Workshop attendance is limited.
Plenary Session: Introduction & Welcome to DBSUMI XXVII
Clapp Auditorium, Lillie Building
19:00 - 21:00
EMBO Keynote Lecture: Kristin Tessmar-Raible, Max Perutz Labs
Early Investigator Lecture: Zak Swartz, Marine Biological Laboratory
Social Mixer
Meigs Room, Swope Center
21:00 - 23:00
Plenary Session 2: Evolutionary Novelty and Diversification of Cell Types
Chair: Sebastian Fugmann, Chang Gung University
Clapp Auditorium, Lillie Building
Veronica Hinman, Carnegie Mellon University
The evolution of gene regulatory networks for novel traits in echinoderms
08:30 – 09:00
Arun Chavan, Yale University
Origin and diversification of gut-derived organs in chordates
09:00 – 09:30
Maria Ina Arnone, Stazione Zoologica Anton Dohrn
Cell type dynamics across sea urchin development
09:30 – 10:00
Coffee Break
Plenary Session 3: Regeneration in Marine Invertebrates
Chair: José García Arrarás, University of Puerto Rico
Clapp Auditorium, Lillie Building
Mansi Srivastava, Harvard University
Considering stem cells, regeneration, and development from an acoel perspective
10:30 – 11:00
Elaine Seaver, Whitney Laboratory for Marine Bioscience
Regeneration in annelids
11:00 – 11:30
Paola Oliveri, University College London
Genomic control of arm regeneration
11:30 – 12:00
Lunch Break
Plenary Session 4: Evolution from an Organismal Perspective
Chair: Chris Lowe, Stanford University
Clapp Auditorium, Lillie Building
Stephan Schneider, Academia Sinica
Of cilia and worms: Approaches to dissect spiralian ciliary cell type diversity and function
13:20 – 13:40
Greg Wray, Duke University
The development and evolution of cell fate specification
13:40 – 14:00
Yi-Hsien Su, Academia Sinica
Insights into deuterostome evolution from the biphasic gene regulatory program of hemichordates
14:00 – 14:20
Billie Swalla, University of Washington
The tale of degenerate ascidian tails
14:20 – 14:40
Smadar Ben-Tabou de-Leon, University of Haifa
Interplay between mechanical and genetic information processing controls skeletal growth in the sea urchin embryo
14:40 – 15:00
Coffee Break
Concurrent Session 5a: How to build an animal (Clapp Auditorium)
Chair: Nat Clarke, Massachusetts Institute of Technology
César Arenas-Mena,
CUNY Graduate Center and College of Staten Island
Widespread priming of transcriptional regulatory elements by incipient accessibility or Pol II pause in early embryos of the sea urchin Strongylocentrotus purpuratus.
15:30 – 15:45
Amber Rock, Harvard University
Reprogramming of cell fate in an embryo with stereotyped cleavage
15:45 – 16:00
Alejandro Berrio, Duke University
Single-cell transcriptomics reveal developmental trajectories of micromereless sea urchin embryos
16:00 – 16:15
Jane Swart, Duke University
Where wnt went: Changes to wnt signaling following a life-history change in Heliocidaris erythrogramma
16:15 – 16:30
Margherita Perillo, Marine Biological Laboratory
A new model for understanding tube morphogenesis and the origins of birth defects
16:30 – 16:45
Brennan McDonald, Duke University
Reconstruction of the sea urchin larval body plan in preparation for metamorphosis
16:45 – 17:00
Concurrent Session 5b: Novel approaches in marine invertebrate developmental biology
Speck Auditorium, Rowe Laboratory
Chair: Brad Shuster, New Mexico State University
Rossella Annunziata, Stazione Zoologica Anton Dohrn (virtual)
Holothuria tubulosa as a new experimental system for evo-devo studies
15:30 – 15:45
Elliot Jackson, Scripps Institution of Oceanography, UC San Diego
Foundational transgenic building blocks in the sea urchin Lytechinus pictus
15:45 – 16:00
Akshay Kane, Marine Biological Laboratory
VitelloTag: a tool for high throughput cargo delivery into oocytes
16:00 – 16:15
Carl Manner, Duke University
Tools for genetic perturbation of the urchin embryo
16:15 – 16:30
John Henson, Dickinson College
Constructing the cytokinetic contractile ring in the early sea urchin embryo: Insights from new imaging, pharmacological, and computer modeling approaches
16:30 – 16:45
Yoon Lee, Scripps Institution of Oceanography, UC San Diego
A cost-effective pipeline for fully automated high-throughput spatial transcriptomics of whole-mount marine embryo samples
16:45 – 17:00
Dinner Break
Plenary Session 6: Eric Davidson Memorial Lecture
Clapp Auditorium, Lillie Building
19:00 - 20:00
Marianne Bronner, California Institute of Technology
Differential neural crest gene regulatory subcircuits along the body axis
Poster Session I
Swope Center
Social Mixer
20:00 – 21:30
21:30 – 23:00
Plenary Session 7: Embryonic and Post-Embryonic Axial Patterning
Chair: Jennifer Croce, Villefranche-sur-Mer LBDV
Cyndi Bradham, Boston University
Voltage-gated sodium channel activity mediates sea urchin larval skeletal patterning through spatial regulation of Wnt5 expression
08:20 – 08:40
Dave McClay, Duke University
Transfating replacement of micromere/skeletogenic cells after removal at the 16-cell stage
08:40 – 09:00
Jennifer Fenner, Auburn University
TGF-β and non-canonical Wnt signaling interactions coordinate anterior-posterior and dorsal-ventral axis formation in sea urchin embryos
09:00 – 09:20
Laurent Formery,
Stanford University and University of California Berkeley
Axial patterning in asterozoan and the diversification of echinoderm pentaradial body plans
09:20 – 09:40
Shunsuke Yaguchi,
Shimoda Marine Research Center, University of Tsukuba
Sea urchin larvae utilize light for regulating the activity of digestive tract
09:40 – 10:00
Coffee Break
Plenary Session 8: Broadening Participation in Developmental Biology
Chair: Michelle Roux-Osovitz, University of Tampa
Michael Barresi, Smith College
Reimagining the laboratory experience: Mentoring diverse research students from a teacher's perspective
10:30 – 10:50
Bob Morris, Wheaton College
"Seeing oneself as a scientist: broadening participation in developmental biology through active classes and inclusive labs"
10:50 – 11:10
Panel Discussion
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Smadar Ben Tabou de Leon, University of Haifa
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Catherine Schrankel, San Diego State University
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Elaine Seaver, Whitney Laboratory for Maine Bioscience, University of Florida
11:10 – 11:30
Open Forum: Echinobase Townhall
11:30 – 12:00
Memorial for R. Andrew Cameron
12:00 – 12:20
Pedro Martinez, L. Courtney Smith & Donal Manahan
Lunch Break
Plenary Session 9: Environmental Influences on Marine Invertebrate Evolution
Chair: Jia Song, University of Delaware
Donal Manahan, University of Southern California
The metabolic pace of development: environmental challenges from the beginning
13:30 – 14:00
Andrea Bodnar, Gloucester Marine Genomics Institute
Genomic signatures of exceptional longevity and negligible aging in the red sea urchin
14:00 – 14:30
Gary Wessel, Brown University
“Get a spine!” shouts the invertebrate: A mechanistic explanation of echinoid colormorphs
14:30 – 15:00
Coffee Break
Concurrent Session 10a: Development of specialized structures: cilia, neurons, biomineralization and skeletogenesis (Clapp Auditorium)
Chair: Smadar Ben-Tabou-de Leon, University of Haifa
Nat Clarke, Massachusetts Institute of Technology
Seeing clearly: visualization of whole, intact organ systems in adult echinoderms
15:30 – 15:45
Macie Chess, Carnegie Mellon University
Genome-wide identification and spatiotemporal expression analysis of cadherin superfamily members in echinoderms
15:45 – 16:00
Majed Layous, University of Haifa
The co-option of the mechanosensing and mechanotransduction during the evolution of biomineralization in metazoans
16:00 – 16:15
Alexandra Lion, Boston University
Perturbation of the P-body component DDX6 reveals a potential connection between developmental timing and skeletal patterning
16:15 – 16:30
William Chang, Christian-Albrechts-Universität zu Kiel
Regulation of intracellular pH homeostasis in calcifying cells of sea urchin larva
16:30 – 16:45
Vivek Prakash, University of Miami
Squeeze confinement-induced changes in fluid flows generated by ciliated marine larvae
16:45 – 17:00
Concurrent Session 10b: Immune systems & regeneration (Speck Auditorium)
Chair: Periklis Paganos, Marine Biological Laboratory
Jon Lee Andrade, Carnegie Mellon University
Single-cell transcriptome analysis of regenerating sea stars
15:30 – 15:45
José García Arrarás, University of Puerto Rico
Pluripotency of the regenerating intestinal rudiment epithelia shown by single cell analysis
15:45 – 16:00
Sebastian Fugmann, Chang Gung University
Evolutionary conservation of immune signaling pathways in echinoderms
16:00 – 16:15
Catherine Schrankel, San Diego State University
A new animal model for testing the roles of drug transporters in gut-specific immune response and disease
16:15 – 16:30
L. Courtney Smith, The George Washington University
SpTransformer proteins drive phagocytosis, bind to phagocytes, and change gene expression in the innate immune system of the purple sea urchin
16:30 – 16:45
Jonathan Rast, Emory University
The genomic organization of sea lamprey variable lymphocyte receptor loci and the development and function of the agnathan adaptive immune system
16:45 – 17:00
Dinner Break
Plenary Session 11: Keynote Lecture
19:00 - 20:00
Christopher Lowe, Stanford University
Conservation and divergence in anatomy and gene regulation during deuterostome nervous system evolution.
Poster Session II
Social Mixer
20:00 – 21:30
21:30 – 23:00
Plenary Session 12: Early axis patterning
Chair: Cyndi Bradham, Boston University
Jenifer Croce, CNRS LBDV
Stage-specific functions of nuclear β-catenin in cell fate specification, maintenance, and restriction during early sea urchin embryogenesis
08:30 – 09:00
Ryan Range, Auburn University
The conserved role of integrated canonical and non-canonical Wnt signaling during anterior-posterior axis formation in ambulacrarian deuterostome embryos
09:00 – 09:30
Jr-Kai Yu
Institute of Cellular and Organismic Biology, Academia Sinica
Asymmetric β-catenin nuclearization regulates mesendoderm formation in amphioxus early embryos
09:30 – 10:00
Coffee Break
Plenary Session 13: Cell biology of embryos
Chair: Zak Swartz, Marine Biological Laboratory
Alex McDougall, Sorbonne Université/CNRS
Ascidian invariant cleavage
10:30 – 11:00
Charles Shuster, New Mexico State University
Cellular mechanics of oocyte maturation
11:00 – 11:30
Jia Song, University of Delaware
miR-31-mediated local translation at the mitotic spindle is important for early development
11:30 – 12:00
Lunch Break
DBSUMI XXVII Group Photo!
Meet on the stairs of Lillie
Plenary Session 14: Emerging Systems for Advancing Developmental Biology in Marine Invertebrates
Chair: Catherine Schrankel, San Diego State University
Nipam Patel, Marine Biological Laboratory
13:20 – 13:40
Carrie Albertin, Marine Biological Laboratory
The molecular embryology of cephalopod molluscs: conservation, convergence, and innovation
13:40 – 14:00
Amro Hamdoun, UC San Diego
Building a better sea urchin
14:00 – 14:20
Charles Ettensohn, Carnegie Mellon University
Analysis of gene regulatory network dynamics using a Tet-On system for conditional control of gene expression
14:20 – 14:40
Coffee Break
Concurrent Session 15a: Neurogenesis, signaling and skeletogenesis (Speck Auditorium)
Chair: Jennifer Fenner, Auburn University
Tsvia Gildor, University of Haifa (virtual)
Actomyosin remodeling regulates biomineral formation, growth and morphology during eukaryote skeletogenesis
15:00 – 15:15
Ali Elagoz, Ku Leuven
A cephalopod molecular approach of evolving the largest invertebrate nervous system
15:15 – 15:30
Jessica Stock, Marine Biological Laboratory
The role of BMP signaling during neural development in the squid Doryteuthis pealeii
15:30 – 15:45
Malcolm Arnott, University of Delaware
Transcription of miRNAs is regulated by developmental signaling pathways
15:45 – 16:00
Concurrent Session 15b: Early development and reproduction (Clapp Auditorium)
Chair: TBD
Jérémy Sallé, Jacques Monod Institute - CNRS
Contribution of ER network to microtubule aster centration in the early Paracentrotus lividus embryo
15:00 – 15:15
Ruben X. G. Silva,
University of Aveiro, CESAM Centre for Environmental & Marine Studies
Marine heatwave driven bleaching and its impacts on the reproduction of the stenophagous nudibranch Berghia stephanieae
15:15 – 15:30
Sonia Dufour, Station Biologique Roscoff, CNRS, Sorbonne Université
The mTOR pathway regulates a translational network stimulating lysosome biogenesis in the sea urchin early embryo
15:30 – 15:45
Julia Morales, Station Biologique Roscoff, CNRS, Sorbonne Université
A translational network regulates the dynamics of cell division in sea urchin early embryo
15:45 – 16:00
Cosmo Pieplow, Brown University
Foundations for understanding the biology of the echinoderm ovary
16:00 – 16:15
Periklis Paganos, Marine Biological Laboratory
Molecular and cellular mechanisms controlling sea star reproductive longevity
16:15 – 16:30
Business Meeting (Clapp Auditorium)
Closing Banquet & Awards (Swope Cafeteria)
16:00 - 17:00
18:00 - 22:00
The Organizing Team
Maria Ina Arnone
Stazione Zoologica Anton Dohrn
Kate Buckley
Auburn University
Sebastian Fugmann
Chang Gung University
Michelle Roux-Osovitz
University of Tampa
Athula Wikramanayake
University of Miami
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