Presentations -
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自律的にCa2+振動するホヤ幼生運動神経細胞MN2 の イメージングおよびシングルセル解析
堀田耕司
2024 年度 生理学研究所研究会「極限環境適応」,
2024.11,Oral presentation (invited, special)
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野外実習における VRinkai を通じた一貫教育校との連携事例
堀田耕司
一貫教育校と大学自然科学研究教育センターの 自然科学教育に関するワークショップ(第 12 回),
2024.11,Oral presentation (general)
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Application of the online teaching material for biological course to secondary education and construction of the English version
Shito, T.T. a, Totsuka, N.M. a, Kogure, Y.S. a, Mizutani, H. a, Takahashi, M. a, Ueda, L.L. a, Furukawa, R. b,Togane, D. b, Kuraishi R. b, Fujita, R. c, Fujisawa, Y. d, Yazawa, K. c, Uchiyama, M. e and Hotta, K
The 29th Biennial Conference of Asian Association for Biology Education,
2024.10,Oral presentation (general)
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Let’s try VRinkai!! –online teaching material for field biological course–
Shito, T.T., Totsuka, N.M., Kogure, Y.S., Mizutani, H., Takahashi, M., Ueda, L.L., Furukawa, R.,Togane, D., Kuraishi R., Fujita, R., Fujisawa, Y., Yazawa, K., Uchiyama, M. and Hotta, K.
The 29th Biennial Conference of Asian Association for Biology Education,
2024.10,Oral presentation (general)
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ホヤの卵からみた生体透明性獲得機構の研究
堀田耕司,紫藤拓己,宮坂駿佑
生殖若手の会,
2024.09,Oral presentation (general)
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Axial Rotation Consisted of Nodal-dependent Different Components, Clockwise Twisting and Bending
Yuki Kogure,Satoru Okuda,Kotaro Oka,Kohji Hotta
Self-Organization in Biology: Freiburg Spemann-Mangold Centennial Symposium 2024,
2024.09,Poster presentation
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自律的にCa2+振動するホヤ幼生運動神経細胞のシングルセル解析
高橋茉莉奈，内海円花，紫藤拓巳，戸塚望，小暮悠暉，岡浩太郎，堀田耕司
日本動物学会第95回長崎大会,
2024.09,Oral presentation (general)
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Marina Takahashi, Madoka Utsumi, Takumi Shito, Nozomu Totsuka, Yuki Kogure, Kotaro Oka, Kohji Hotta
12th International Tunicate Meeting,
2024.07,Poster presentation
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Hina Mizutani, Nozomu M. Totsuka, Madoka K. Utsumi, Kotaro Oka, Kohji Hotta
12th International Tunicate Meeting,
2024.07,Poster presentation
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Understanding Evolution and Development of Aquatic Organismal Transparency
Kohji Hotta, Shunsuke O. Miyasaka, Kotaro Oka and Takumi T. Shito
12th International Tunicate Meeting,
2024.06,Oral presentation (general)
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Nozomu M. Totsuka, Satoshi Kuwana, Satoshi Sawai, Kotaro Oka, Yasunori Sasakura and Kohji Hotta
NBRPホヤ主催オンラインセミナー,
2024.04,Other
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脊椎動物の発生・進化および生物多様性の解明
髙橋茉莉奈、内海円花、戸塚望、小暮悠暉、紫藤拓巳、堀田耕司
第６回ホヤ研究会,
2023.11,Oral presentation (general)
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ホヤ変態時に観察されたCa2+シグナル表皮伝搬および非自己テスト細胞と自己被嚢細胞の体外における置き換わり
戸塚望, 土方希, 塩井剛, 渡邉朋信, 岡浩太郎, 笹倉靖徳, 堀田耕司
日本比較免疫学会第34回学術集会,
2023.09,Oral presentation (general)
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Nozomu M. Totsuka, Go Shioi, Tomonobu M. Watanabe, Kotaro Oka, Yasunori Sasakura and Kohji Hotta
Society for Developmental Biology 82nd Annual Meeting,
2023.07,Poster presentation
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Evolutionary Conservation of Shaping Tailbud Embryo in Two Different Ascidians, Ciona intestinalis type A and Ascidiella aspersa.
Yuki S. Kogure, Takumi T. Shito, Kotaro Oka, Kohji Hotta
Society for Developmental Biology 82nd Annual Meeting,
2023.07,Poster presentation
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The timing of the replacement of the non-self-test cells and the self-tunic cells during ascidian Ciona metamorphosis.
Nozomu M. Totsuka, Nozomi Hijikata, Kotaro Oka, Yasunori Sasakura and Kohji Hotta
Society for Developmental Biology 82nd Annual Meeting,
2023.07,Poster presentation
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Deciphering the whole genome sequence and the construction of gene models of Ascidiella aspersa as a new model organism for developmental biology.
Takumi T. Shito, Jayakumar Vasanthan, Shimon Kawai, Koki Nishitsutsuji, Noriyuki Satoh, Yasubumi Sakakibara, Kotaro Oka, Kohji Hotta
Society for Developmental Biology 82nd Annual Meeting,
2023.07,Poster presentation
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ホヤ変態開始時の表皮Ca2+波伝播および間充織細胞の溢出の動態解析
戸塚望, 土方希, 塩井剛, 渡邉朋信, 岡浩太郎, 笹倉靖徳, 堀田耕司
シンギュラリティ領域会議 成果公開シンポジウム,
2023.03,Poster presentation
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Transition of neural activities during the development of Half Center Modeled swimming CPG in Ciona intestinalis type A.
Madoka K. Utsumi, Kotaro Oka, Kohji Hotta
Society for Neuroscience 52nd Annual Meeting,
2022.11,Poster presentation
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Thaping the tailbud embryo of the ascidian, Ciona intestinalis type A - The mechanism of the ventroflexion, the twisting and the dorsiflexion -.
Yuki S. Kogure, Hiromochi Muraoka, Wataru C. Koizumi, Raphaël Gelin-alessi, Benoit Godard, C. P. Heisenberg, Kotaro Oka and Kohji Hotta
日仏合同発生生物学会,
2022.11,Poster presentation
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A single motor neuron determines the rhythm of early motor behavior in Ciona.
Taichi Akahoshi, Madoka K Utsumi, Kouhei Oonuma, Makoto Murakami, Takeo Horie, Takehiro G Kusakabe, Kotaro Oka, Kohji Hotta
International Congress Neuroethology 2022,
2022.07,Oral presentation (general)
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Transition of neural activities during the development of Ciona swimming CPG.
Madoka K. Utsumi, Yusuke Tomina, Hideharu Mikami, Kotaro Oka, Kohji Hotta
International Congress Neuroethology 2022,
2022.07,Oral presentation (general)
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The construction of the standard developmental table and the online 3D anatomical image resource of the transparent ascidian Ascidiella aspersa.
Takumi Shito, Haruka Funakoshi, Kotaro Oka, Kohji Hotta
Society for Developmental Biology 81st Annual Meeting Pan-American Society for Evolutionary Developmental Biology Meeting 4th Biennial Meeting,
2022.07,Poster presentation
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A single motor neuron determines the rhythm of early motor behavior in Ciona.
Taichi Akahoshi, Madoka K Utsumi, Kouhei Oonuma, Makoto Murakami, Takeo Horie, Takehiro G Kusakabe, Kotaro Oka, Kohji Hotta
11th International Tunicate Meeting,
2022.07,Oral presentation (general)
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G-protein signaling relay promotes Ciona metamorphosis.
Yasunori Sasakura, Akiko Hozumi, Arata Onodera, Nozomu M. Totsuka, Honoo Satake, Kohji Hotta, and Takeo Horie
11th International Tunicate Meeting,
2022.07,Oral presentation (general)
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Admp controls the pMLC localization to the apical side of the ventral epidermal cells and leads the ventral tail bending in ascidian tailbud embryo.
Yuki S. Kogure, Hiromochi Muraoka, Wataru C. Koizumi, Raphaël Gelin-alessi, Benoit Godard, C. P. Heisenberg, Kotaro Oka and Kohji Hotta
11th International Tunicate Meeting,
2022.07,Oral presentation (general)
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Timing of the replacementreplacement of the non-self-test cells and the self-tunic cells during ascidian Ciona metamorphosis.
Nozomu M. Totsuka, Nozomi Hijikata, Kotaro Oka, Yasunori Sasakura and Kohji Hotta
11th International Tunicate Meeting,
2022.07,Oral presentation (general)
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Admp regulates tail bending by controlling the intercalation of the ventral epidermis through myosin phosphorylation.
Yuki S. Kogure, Hiromochi Muraoka, Wataru C. Koizumi, Raphaël Gelin-alessi, Benoit Godard, C. P. Heisenberg, Kotaro Oka and Kohji Hotta
EURO EVO DEVO 2022,
2022.05-2022.06,Oral presentation (general)
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A single motor neuron determines the rhythm of early motor behavior in Ciona.
Kohji Hotta, Kohei Oonuma, Makoto Murakami, Takehiro G. Kusakabe, Takeo Horie, Taichi Akahoshi, Madoka K. Utsumi, Kotaro Oka
EURO EVO DEVO 2022,
2022.05-2022.06,Oral presentation (general)
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Phylogenetic comparison of ascidian eggs transparency and analysis of the UV transmittance in ascidians.
Takumi T. Shito, Naohiro Hasegawa, Noburu Sensui, Euichi Hirose, Kotaro Oka, and Kohji Hotta
EURO EVO DEVO 2022,
2022.05-2022.06,Poster presentation
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Transition in Neural Activities during late developmental stages of Ciona Motor Circuit.
Madoka K. Utsumi, Yusuke Tomina, Hideharu Mikami, Kotaro Oka, Kohji Hotta
EURO EVO DEVO 2022,
2022.05-2022.06,Poster presentation
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Admp regulates ventral tail bending by controlling the cell polarity of the ventral epidermis through myosin phosphorylation.
Yuki Kogure, Hiromochi Muraoka, Wataru C. Koizumi, Raphaël Gelin-alessi, Benoit Godard, Kotaro Oka, Carl-Philipp Heisenberg, Kohji Hotta
3rd JSDB-GfE Young Scientist Exchange Meeting (JSDB & GfE),
2021.11,Oral presentation (general)
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Ca2+ signaling contributes the beginning of metamorphosis via mechanical stimuli in palps.
Maiki Wakai, Kohji Hotta, and Kotaro Oka
10th International Tunicate Meeting,
2019.07,Oral presentation (general)
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Comparative Anatomy of Ascidian Miniature Tailbud.
Kaoru Matsumura, Mitsuru J. Nakamura, Wataru Koizumi, Kohji Hotta and Kotaro Oka
10th International Tunicate Meeting,
2019.07,Poster presentation
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Relationship between Tail Beating and Ca2+ Oscillation in the Motor Ganglion of Developing Ascidian Embryo.
Taichi Akahoshi, Kohji Hotta, and Kotaro Oka
10th International Tunicate Meeting,
2019.07,Poster presentation
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Relationship between swimming behavior and Ca2+ oscillation in the visceral ganglion of developing ascidian embryo.
Akahoshi T, Hotta K, Oka K
GfE school Imaging and Modeling Development,
2018.10,Oral presentation (general)
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SPATIOTEMPORAL CHANGE IN CELL STIFFNESS DURING EARLY EMBRYOGENESIS INVESTIGATED BY ATOMIC FORCE MICROSCOPY.
Yuki Fujii, Taichi, Imai, Wataru Koizumi, Kohji Hotta, Kotaro Oka, Takaharu Okajima
62nd Annual Meeting Biophysical Society (BPS18) ,
2018.02,Poster presentation
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BHF MEDIATES INDUCTION AND LOSS OF TOLERANCE IN Botryllus schlosseri CHIMERAS
Ayelet Voskoboynik, Mark Kowarsky, Benyamin Rosental, Aaron M. Newman, Kohji Hotta, Katherine J. Ishizuka, Karla J. Palmeri, Norma F. Neff, Stephen R. Quake & Irving L. Weissman
The 9th International Tunicate Meeting,
2017.07 -
AMPA glutamate receptors are essential for sensory-organ formation and morphogenesis in the basal chordate.
Shinobu Hirai, Kohji Hotta, Yoshihiro Kubo, Atsuo Nishino, Shigeo Okabe, Yasushi Okamura and Haruo Okado
The 9th International Tunicate Meeting,
2017.07,Poster presentation
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Morphometry of Tailbud Embryo for Revealed Distinct Role on Tail Curving by Myosin-Dependent Mechanical Tension at Ventral Midline Epidermis.
Hiromochi Muraoka, Wataru Koizumi , Benoit Godard , Kohji Hotta, Carl Philipp-Heisenberg and Kotaro Oka
The 9th International Tunicate Meeting,
2017.07,Poster presentation
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Chemical genetics reveal the role of 14-3-3 ea in Ciona notochord tubulogenesis.
Yuji Mizotani, Mayu Suzuki, Hidenori Watanabe, Kogiku Shiba, Kazuo Inaba, Kohji Hotta, Kotaro Oka, Etsu Tashiro and Masaya Imoto
The 9th International Tunicate Meeting,
2017.07,Poster presentation
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The molecular signatures of development in Botryllus schlosseri.
Mark Kowarsky, Kohji Hotta, Lucia Manni, Chiara Anselmi, Norma F. Neff, Katherine J. Ishizuka, Karla J. Palmeri, Jennifer Okamoto, Stephen R. Quake, Irving L. Weissman and Ayelet Voskoboynik
The 9th International Tunicate Meeting,
2017.07,Poster presentation
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Spatio-Temporal Relationship between Dynamics of Actin Cytoskeleton and Cell Stiffness in Early Ascidian Embryo Development.
Taichi Imai, Wataru Koizumi, Yuki Fujii, Kohji Hotta, Takaharu Okajima and Kotaro Oka
The 9th International Tunicate Meeting,
2017.07,Oral presentation (general)
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TailbudProfiler: developing an automatic image analysis software for quantifying Ascidian tailbud morphogenesis.
Raphael Gelin-Alessi, Hiromochi Muraoka, Kohji Hotta and Kotaro Oka
The 9th International Tunicate Meeting,
2017.07,Poster presentation
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The Botryllus schlosseri embryogenesis timeline reveals heterochrony between solitary and colonial ascidian embryogenesis.
Chiara Anselmi, Kohji Hotta, Mark Kowarsky, Lucia Manni , Katherine J. Ishizuka, Karla J. Palmeri, Stephen R. Quake, Irving L. Weissman and Ayelet Voskoboynik
The 9th International Tunicate Meeting,
2017.07,Poster presentation
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The ontology of larval and metamorphosis stages in Ciona. II. Anatomy.
Lucia Manni , Delphine Dauga and Kohji Hotta
The 9th International Tunicate Meeting,
2017.07,Oral presentation (general)
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Comprehensive characterization of Ca2+ transients in early Ascidian development.
Taichi Akahoshi, Kohji Hotta and Kotaro Oka
The 9th International Tunicate Meeting,
2017.07,Oral presentation (general)
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Cleavage plane positioning in early ascidian embryos.
Benoit G. Godard, Kohji Hotta, Nicolas Minc and Carl-Philipp Heisenberg
The 9th International Tunicate Meeting,
2017.07,Oral presentation (general)
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The ontology of larval and metamorphosis stages in Ciona. I. Development.
Kohji Hotta
The 9th International Tunicate Meeting,
2017.07,Oral presentation (general)
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BHF MEDIATES INDUCTION AND LOSS OF TOLERANCE IN Botryllus schlosseri CHIMERAS
Ayelet Voskoboynik, Mark Kowarsky, Benyamin Rosental, Aaron M. Newman, Kohji Hotta, Katherine J. Ishizuka, Karla J. Palmeri, Norma F. Neff, Stephen R. Quake & Irving L. Weissman
North America Comparative Immunology Workshop 2017,
2017.06 -
The complete annotation of Ciona development and anatomy: the larval and metamorphosis stages.
Lucia Manni1, Delphine Dauga2 and Kohji Hotta
the Italian Embryology Group Meeting,
2017.06,Oral presentation (general)
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Relationship between dynamics of cytoskeleton and cell stiffness in early ascidian embryo development.
Imai T, Koizumi W, Fujii Y、Okajima T, Oka K, Hotta K
The 22nd International Congress of Zoology, The 87th Meeting of The Zoological Society of Japan Joint Events in Okinawa,
2016.11 -
In vivo-Imaging Analysis of Calcium Transients in Early Development of Ascidian Embryo.
Taichi Akahoshi, Kohji Hotta, Kotaro Oka
The 22nd International Congress of Zoology, The 87th Meeting of The Zoological Society of Japan Joint Events in Okinawa (Okinawa) ,
2016.11,Poster presentation
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Morphometry of tailbud embryo for understanding mechanism of conserved chordate phylotypic embryo shape.
Muraoka Hiromochi, Koizumi Wataru, Oka Kotaro, Hotta Kohji
The 22nd International Congress of Zoology, The 87th Meeting of The Zoological Society of Japan Joint Events in Okinawa,
2016.11,Poster presentation
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Mechanical properties of early ascidian embryos.
Benoit G. Godard, Mateusz Sikora, Kohji Hotta, Carl-Philipp Heisenberg
8th Tunicate Meeting (Aomori City Cultural Hall、青森) ,
2015.06,Poster presentation
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Comparative Anatomy of Ascidian Miniature Tailbud.
Wataru Koizumi, Kohji Hotta, Kotaro Oka
7th Tunicate Meeting (ナポリ大学、ナポリ、イタリア) ,
2013.07,Poster presentation
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Imaging Analysis of Peripheral Nervous System in Ciona intestinalis larva.
Takatoshi D. Yokoyama, Kohji Hotta and Kotaro Oka
ナポリ大学、ナポリ、イタリア,
2013.07,Poster presentation
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Four-dimensional Imaging of Brain Morphogenesis in Ciona intestinalis.
HOTTA KOHJI
7th International Tunicate Meeting (Napli, Italy) ,
2013.07,Oral presentation (general)
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Comparative Anatomy of Ascidian Miniature Tailbud.
HOTTA KOHJI
Riken CDB meeting 2013 (Riken CDB) ,
2013.03,Poster presentation
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Anatomy and Annotation of the Ciona intestinalis tailbud embryo at single-cell resolution.
HOTTA KOHJI
2nd workshop tunicate info system (Kyoto University) ,
2012.11,Oral presentation (general)
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Three-Dimensional Anatomy of the Ciona intestinalis Tailbud Embryo at Single-cell Resolution.
HOTTA KOHJI
2012 Asia-Pacific Developmental Biology Conference (APDBC) (Taipei Innovation City Convention Center) ,
2012.10,Oral presentation (general)
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Construction of 3D Virtual Tailbud Embryo For Quantitative Approach.
HOTTA KOHJI
CDB Symposium 2012 "Quantitative Developmental Biology" (RikenCDB) ,
2012.03,Poster presentation
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カタユウレイボヤ尾芽胚の１細胞レベルイメージングと３Dコンピュータ・モデリングによる形態解析
HOTTA KOHJI
生物物理学会シンポジウム 一個体イメージング (兵庫県立大学姫路キャンパス) ,
2011.09,Oral presentation (invited, special)
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Analysis of phenotype caused by temporal treatment of SU4984 in Ciona intestinalis embryo
HOTTA KOHJI
The 6th International Tunicate Meeting (McGill Univ., Montreal, Canada) ,
2011.07,Oral presentation (general)
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Construction of 3D Virtual Tailbud Embryo For Quantitative Approach
HOTTA KOHJI
CDB Symposium 2012 "Quantitative Developmental Biology" (理化学研究所 発生・再生科学総合研究センター（神戸）) ,
2011.03,Poster presentation
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カタユウレイボヤ尾芽胚の３次元モデリング
HOTTA KOHJI
画像科学シンポジウム・バイオイメージングフォーラム (自然科学研究機構岡崎コンファレンスセンター) ,
2011.03,Oral presentation (invited, special)
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Current status of tunicate databases, FABA
HOTTA KOHJI
1st Tunicate Information System Meeting (Nice, France) ,
2010.11,Oral presentation (invited, special)
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ACBD: Database for Ascidian Chemical Genomics
Yuichiro Hira, Jun Terai, Mitsuru Nakamura, Etsu Tashiro, Masaya Imoto, Kotaro Oka, Kohji Hotta
BioCuration Meeting (東京国際交流館) ,
2010.10,Poster presentation
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CIPRO 2.5: Ciona intestinalis Protein Database, a unique integrated repository of large-scale omics data, bioinformatic analyses, and curated annotation, with ability for user rating and comments
Toshinori Endo, Keisuke Ueno, Kouki Yonezawa, Katsuhiko Mineta, Kohji Hotta, Yutaka Satou, Lixy Yamada, Michio Ogasawara, Hiroki Takahashi, Ayako Nakajima, Mia Nakachi, Mamoru Nomura, Junko Yaguchi, Alu Konno, Yasunori Sasakura, Akiyasu C. Yoshizawa, Hisaaki Taniguchi, Chisato Yamasaki, Miho Sera, Tadashi Imanishi and Kazuo Inaba
Beyond the Genome: The true gene count, human evolution and disease genomics (Joseph B. Martin Conference Center, Harvard Medical School, Boston, Massachusetts) ,
2010.10,Poster presentation
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ASNET: Actin-based network structure in the tunic of ascidian larva
Kohji HOTTA, Hiroshi Q TERAKUBO, Mitsuru Nakamura, Yoko NAKAJIMA, Yasunori SASAKURA, Takeo HORIE, Alu KONNO, Hiroki TAKAHASHI, Kazuo INABA, Kotaro OKA
Society for Developmental Biology 69th Annual Meeting -Jointly with Japanese Society of Developmental Biologists (Albuquerque, New Mexico, USA) ,
2010.08,Poster presentation
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Quantitative analysis of ascidian tailbud stage embryo at single cell level by constructing 3D Virtual Embryo
Mitsuru Nakamura, Jun Terai, Kohji Hotta and Kotaro Oka
Society for Developmental Biology 69th Annual Meeting -Jointly with Japanese Society of Developmental Biologists (Albuquerque, New Mexico, USA) ,
2010.08,Poster presentation
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FGFR inhibitor affect proliferation of tail epidermal cells and cause neural tube closure defect in ascidian Ciona intestinalis
Jun Terai, Mayu Suzuki, Masaya Imoto, Etsu Tashiro, Kotaro Oka, Kohji Hotta
Society for Developmental Biology 69th Annual Meeting -Jointly with Japanese Society of Developmental Biologists (Albuquerque, New Mexico, USA) ,
2010.08,Poster presentation
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ACDB: Database for Ascidian Chemical Genomics
Kohji Hotta, Yuichiro Hira, Etsu Tashiro, Masaya Imoto, Kotaro Oka
Society for Developmental Biology 69th Annual Meeting -Jointly with Japanese Society of Developmental Biologists (Albuquerque, New Mexico, USA) ,
2010.08,Poster presentation
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CIONA INTESTINALIS PROTEIN DATABASE CIPRO SHOWS A VARIETY OF PROTEOMES FOR A SINGLE SPECIES
Toshinori Endo, Keisuke Ueno, Kouki Yonezawa, Katsuhiko Mineta, Kohji Hotta, Yutaka Satou, Lixy Yamada, Michio Ogasawara, Hiroki Takahashi, Ayako Nakajima, Mia Nakachi, Mamoru Nomura, Junko Yaguchi, Alu Konno, Yasunori Sasakura, Akiyasu Yoshizawa, Hisaaki Taniguchi, Tadashi Imanishi and Kazuo Inaba
Computational Biology Research Center Workshop 2010 (Computational Biology Research Center, Tokyo Japan) ,
2010.07,Poster presentation
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Actin-based network structure in the tunic of ascidian larva revealed by confocal laser scanning and transmission electron microscopes
KOHJI HOTTA, Hiroshi Terakubo, Yoko Nakajima, Yasunori Sasakura, Takeo Horie, Alu Konno, Hiroki Takahashi, Kazuo Inaba, Kotaro Oka
43rd Annual Meeting for the Japanese Society of Developmental Biologists Jointly Sponsored by the Asia-Pacific Developmental Biology Network (Kyoto, International Conference Center) ,
2010.06,Poster presentation
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Ascidian dendritic network in tunic
Kohji HOTTA, Hiroshi Q TERAKUBO, Yoko NAKAJIMA, Alu KONNO, Takeo HORIE, Hiroki TAKAHASHI, Yasunori SASAKURA, Kazuo INABA, Kotaro OKA
2ND JOINT MEETING OF THE SFBD AND JSDB 2010 - From Cells to Organs (Institut Pasteur, Paris, France) ,
2010.05,Poster presentation