Program

July 11, 2022

17:00 - 20:00

Registration & Welcome Reception

at Bar S"alu Okamoto

(Map)

International attendees have to give your talk in Japanese daytime. Sorry for this, but we will do our best for maximizing your convenience in terms of your time differences when we assign your talk to a session.

To increase comfortableness of every speaker from different time zones, each session will be organized taking account of the speaker’s time zone. Thus, a session will be a mixture of various topics that are irrespective of research fields. This is a big difference from the previous ITMs, but we hope this will help all attendants to contribute every topic on tunicate biology as in the previous onsite ITMs.

If you have proposal for round-table discussion and technical session, please contact us.

Day 0

July 11, 2022 (Monday)

Registration & Welcome Reception (Bar S"alu Okamoto) 17:00 ~ 20:00

(Map)

Day 1

July 12, 2022 (Tuesday)

9:00-9:30 Opening Remarks


Session 1 (Chair: Lionel Christiaen)

9:30-10:00 D1-01 Bradley Davidson: Synergistic modulation of mitotic receptor trafficking through polarized degradation and recycling

10:00-10:30 D1-02 Alberto Stolfi: Evolution of a chordate-specific mechanism for myoblast fusion


Technical Session (Chairs: Takeo Horie and Alberto Stolfi)

10:30-10:35 Tech-01 Alberto Stolfi: Opening remarks

10:35-12:05 Tech-02 Chen Cao: Single-Cell Transcriptional Analysis

12:05-12:25 Tech-03 Takeo Horie: Regulatory cocktail for dopaminergic neurons in ascidian identified by single cell transcriptomics

12:25-12:30 Tech-04 Takeo Horie: Closing remarks


12:30-14:00 LUNCH


Session 2 (Chair: Atsuko Sato)

14:00-14:30 D1-03 Hitoshi Sawada: Sperm astacin-like metalloproteases are involved in sperm penetration through the vitelline coat during ascidian fertilization

14:30-14:45 D1-04 Takako Saito: Insights into self-incompatibility by structural modelling

14:45-15:15 D1-05 Manabu Yoshida: Fertilization and embryogenesis of two tropical ascidians in varied salinities and temperatures

15:45-16:00 D1-07 Daisuke Shimizu: Photoreceptive tissues and photoresponse in the adult of Ciona intestinalis type A


16:00-16:15 BREAK


Session 3 (Chair: Kaoru Imai)

16:15-16:45 D1-08 Hiroki Nishida: Ascidian gastrulation and blebbing activity of isolated endoderm blastomeres

16:45-17:00 D1-09 Yuki Kogure: Admp controls the pMLC localization to the apical side of the ventral epidermal cells and leads the ventral tail bending in ascidian tailbud embryo

17:00-17:15 D1-10 Lisa Thomann: Role of Pi3K signaling during Phallusia mammillata endoderm invagination

17:15-17:30 D1-11 Ayana Maruo: Molecular and functional diversity of the nerve cord ependymal cells in Ciona larvae

17:30-17:45 D1-12 Nanako Okawa: Investigation of neuron-glia interactions using a combination of optogenetics and calcium imaging in Ciona swimming larvae

17:45-18:00 D1-13 Athira Athira: Comprehensive analysis of behavioral dynamics in the protochordate Ciona intestinalis


18:00-18:15 BREAK


Session 4 (Chair: Charles Pressy)

18:15-18:45 D1-14 Joel Glover: Dopaminergic neurons in Oikopleura dioica: Connectivity and regulation of movement states

18:45-19:15 D1-15 Takeshi Onuma: Transcriptomes of the fast-evolving chordate, Oikopleura dioica, uncover drastic difference in transcription factor and post-plasmic RNA composition that is expressed in early embryos from those of ascidians

19:15-19:45 D1-16 Thomas Stach: Beyond Oikopleura dioica - evolution of appendicularian diversity

19:45-20:15 D1-17 Cristian Canestro: Deconstruction of the cardiopharyngeal gene regulatory network in appendicularians and the evolution of their complete free-living lifestyle from an ascidian-like biphasic ancestral tunicate

Day 2

July 13, 2022 (Wednesday)

Session 5 (Chair: Loriano Ballarin)

9:00-9:30 D2-01 Ayelet Voskoboynik: The ticking clock, an aging study of a colonial chordate linking stem cell aging to molecular decline of circadian regulation

9:30-9:45 D2-02 Chiara Anselmi: Botryllus schlosseri, an emerging evo-devo model for the study of neurogenesis, neurodegeneration, and aging

9:45-10:00 D2-03 Henry Rodriguez-Valbuena: Evolutionary origin and genomic dynamics of Botryllus schlosseri allorecognition genes

10:00-10:15 D2-04 Laurel Hiebert: Comparing dormancy in two distantly related tunicates


10:15-10:30 BREAK


Session 6 (Chair: Noa Shenkar)

10:30-10:45 D2-05 Marcel Velasquez Sayago: Oceanographic drivers of ascidian biogeographic patterns (Tunicata: Ascidiacea) along the Western Atlantic coast

10:45-11:15 D2-06 Atsuko Sato: How developmental buffering stabilizes development in the face of thermal stress?

11:15-11:45 D2-07 Shuichi Wada: Towards an understanding of detoxification mechanisms induced by polycyclic aromatic hydrocarbons in the ascidian Ciona intestinalis

11:45-12:15 D2-08 Euichi Hirose: Nipple array of tunic cuticle: a review of the multifunctional nanostructure under water

12:15-12:30 D2-09 Naohiro Hasegawa: Graveyards of Giant Pandas at the Bottom of the Sea? A Strange-Looking Undescribed Species of Colonial Ascidians in the Genus Clavelina (Tunicata: Ascidiacea)


12:30-13:30 LUNCH


13:30-15:00 11ITM-KONAN Multidisciplinary Poster Session


Session 7 (Chair: Honoo Satake)

15:00-15:30 D2-10 Yasunori Sasakura: G-protein signaling relay promotes Ciona metamorphosis

15:30-15:45 D2-11 Xueping Sun: A microRNA Cluster-Lefty Pathway is Required for Cellulose Synthesis During Ascidian Larval Metamorphosis

15:45-16:00 D2-12 Nozomu Totsuka: Timing of replacement of the non-self-test cells and the self-tunic cells during Ciona metamorphosis

16:00-16:15 D2-13 Gabriel Krasovec: D-serine controls epidermal vesicle release via NMDA receptor allowing tissue migration during the metamorphosis of Ciona


16:15-16:30 BREAK


Session 8 (Chair: Roberta Pennati)

16:30-17:00 D2-14 Simon Blanchoud: In-lab breeding of Botrylloides diegensis requires a suitable marine microbiome

17:00-17:15 D2-15 Berivan Temiz: Characterization of Botrylloides diegensis whole body regeneration through single-cell RNA-sequencing

17:15-17:45 D2-16 Lucia Manni: Stem cell niche characterization in Botryllus schlosseri

17:45-18:15 D2-17 Maria Sirakov: Ciona robusta as model system for Intestinal Stem Cells biology

18:15-18:30 D2-18 Tal Gordon: Insights into the cellular and molecular mechanisms of Polycarpa mytiligera’s central nervous system regeneration


18:30-18:45 BREAK


Session 9 (Lucia Manni)

18:45-19:15 D2-19 Loriano Ballarin: The complement system of ascidians: clues from the colonial ascidian Botryllus schlosseri

19:15-19:45 D2-20 Marta Pascual: Lessons from the invasive species Styela plicata. From the genome to the holobiome

19:45-20:00 D2-21 Laura Drago: Stress granules in ascidians: an overview

20:00-20:15 D2-22 Noa Shenkar: Ascidians as model organisms for assessing the extent and impact of anthropogenic pollutants in marine environments

20:15-20:45 D2-23 Raz Platin: Styela on the edge: life cycle and reproductive patterns of the solitary ascidian Styela plicata along the Mediterranean coasts of Israel


Day 3

July 14, 2022 (Thursday)

Session 10 (Chair: Kohji Hotta)

9:00-9:30 D3-01 William Smith: The mutation frimousse uncovers a cryptic oscillator that drives spontaneous orienting behavior

9:30-9:45 D3-02 Jeneva Chung: Previously uncharacterized inhibitory autonomous oscillator revealed by frimousse mutants

9:45-10:15 D3-03 Yasushi Okamura: Tracing back for ancestry of vertebrate neuronal traits: clusters of sodium channels


10:15-10:30 BREAK


Session 11 (Chair: Yasushi Okamura)

10:30-10:45 D3-04 Asuka Chokki: Gravitaxis neural circuit in the ascidian larva

10:45-11:15 D3-05 Kohji Hotta: A single motor neuron determines the rhythm of early motor behavior in Ciona

11:15-11:30 D3-06 Yishen Miao: The modeling of spontaneous orienting swim in Ciona based on the interaction of two oscillators

11:30-11:45 D3-07 Kwantae Kim: Transcriptional regulation of neuronal polarity and neurite outgrowth in the ddNs of Ciona


11:45-16:00 LUNCH and Short Excursion


Session 12 (Chair: Shuichi Wada)

16:30-16:30 D3-08 Hidehiko Hashimoto: Dynamic integration of signaling, force generation and tissue remodeling control zippering and neural tube closure

16:30-17:00 D3-09 Clare Hudson: An ERF transcription factor participates in the bimodal transcriptional response of an ERK-target gene during ascidian neural induction

17:00-17:15 D3-10 Rossana Bettoni: Computational model of neural induction in the ascidian embryo

17:15-17:45 D3-11 Sebastien Darras: Highly divergent genetic programs for peripheral nervous system formation in chordates


17:45-18:00 BREAK


Session 13 (Chair: Takeshi Onuma)

18:00-18:15 D3-12 Aki Masunaga: Oikopleura dioica, the cosmopolitan appendicularian hides multiple cryptic species around the globe

18:15-18:45 D3-13 Charles Plessy: Drastic genome remodeling across Oikopleura dioica worldwide

18:45-19:00 D3-14 Michael Mansfield: Gene expression in the context of genomic rearrangement in Oikopleura dioica

19:00-19:15 D3-15 Alessandro Pennati: Hmx gene conservation identifies the origin of vertebrate cranial ganglia

19:15-19:30 D3-16 Cristian Velandia Huerto: A minimalist genomic toolbox? The case of bona fide microRNA evolution on tunicates

19:30-20:00 D3-17 Emmanuel Faure: Morphonet


23:00-24:00 Technical Session Q & A

24:00-25:00 Round Table Discussion


Day 4

July 15, 2022 (Friday)

Session 14 (Chair: Toshio Sekiguchi)

9:00-9:15 D4-01 Cezar Borba: Cionectome: An interactive viewer and analysis tool for the Ciona connectome

9:15-9:30 D4-02 Matthew Kourakis: The Ciona AMG neuron complex and the origins of the cerebellum

9:30-9:45 D4-03 Hannah Gruner: Neural Innervation of the Juvenile and Adult heart of Ciona robusta

9:45-10:00 D4-04 C. J. Pickett: Dolioletta gegenbauri: a model tunicate for investigating the evolution of novel traits

10:00-10:30 D4-05 Honoo Satake: Neuropeptides, peptide hormones, their receptors and biological roles in Ciona: new aspects of peptidergic systems in chordates


10:30-10:45 BREAK


Session 15 (Chair: Sebastien Darras)

10:45-11:15 D4-06 Megan Wilson: Using ATAC-sequencing to study chromatin accessibility during early whole body regeneration

11:15-11:30 D4-07 Satoshi Otaki: Repetitive sequence DNA/TcMar-Tc1 is enriched at the boundaries of cis-regulatory regions in Ciona

11:30-12:00 D4-08 Jiankai Wei: Spatiotemporal dynamics of zygotic genome activation in basal chordate revealed by interspecific hybrids

12:00-12:30 D4-09 Yutaka Satou: The gene regulatory system in 32-cell embryos / the developmental program for muscle fate specification / new genome assemblies for Ciona


12:30-14:00 LUNCH


Session 16 (Chair: Hidehiko Hashimoto)

14:00-14:30 D4-10 Wei Wang: Primed for fate determination - the transcriptional regulatory mechanism underlying the cardio-pharyngeal multipotent progenitor maturation

14:30-15:00 D4-11 Lionel Christiaen: Coupling cell cycle progression, multipotent progenitor maturation and fate choices in the cardiopharyngeal lineage of a simple chordate

15:00-15:15 D4-12 Hongzhe Peng: Supra extracellular bridge in Ciona notochord elongation: structure and function

15:15-15:30 D4-13 Wenjie Shi: Rho GTPase signaling-depended cortex tension regulates notochord lumen growth in Ciona embryogenesis

15:30-15:45 D4-14 Zonglai Liang: Ano10 mediates convergent extension and tubulogenesis during notochord formation


15:45-16:00 BREAK


Session 17 (Chair: Patrick Lemaire)

16:00-16:15 D4-15 Xin Zeng: Computational Inference of Gene Regulatory Network in the ascidian brain by single cell RNA-seq data

16:15-16:45 D4-16 Remi Dumollard: Master Biodiversite, Ecologie et Evolution

16:45-17:15 D4-17 Patrick Lemaire: Multi-modal single-cell biology of the embryogenesis of the ascidian, Phallusia mammillata


17:15-17:30 Closing Remarks

18:30-21:00 Farewell Banquet


Farewell BanquetShushinkan Sakabayashi) 18:30 ~ 21:00

[Map]

Day 5

July 16, 2022 (Saturday)

Departure

©2022 International Tunicate Meeting