ASUKA ARIMOTO

Last Updated :2026/07/03

Affiliations, Positions
Seto Inland Sea Carbon-neutral Research Center, Assistant Professor
Web Site
E-mail
aarimotohiroshima-u.ac.jp
Other Contact Details
2445 Mukaishima, Onomichi, Hiroshima, Japan
TEL : (+81)848-44-1161 FAX : (+81)848-44-5914
Self-introduction
My main research project is comparative genomic analysis among various marine organisms. I focus on differences and similarities of the molecular mechanisms associated with morphogenesis in the project.

Basic Information

Major Professional Backgrounds

  • 2023/04/01, Hiroshima University, Seto Inland Sea Carbon-neutral Research Center, Assistant Professor
  • 2019/07/01, 2023/03/31, Hiroshima University, Graduate School of Integrated Sciences for Life, Assistant Professor
  • 2015/08/01, 2019/06/30, Okinawa Institute of Science and Technology Graduate University, Marine Genomics Unit, Postdoctoral Scholar
  • 2015/04/01, 2015/07/31, Okinawa Institute of Science and Technology Graduate University, Marine Genomics Unit, Technician

Educational Backgrounds

  • Hiroshima University, Graduate School of Science, Japan, 2012/04, 2015/03
  • Hiroshima University, Graduate School of Science, Japan, 2010/04, 2012/03
  • Hiroshima University, Faculty of Science, Japan, 2006/04, 2010/03

Academic Degrees

  • Doctor of Science, Hiroshima University
  • Master of Science, Hiroshima University

Educational Activity

  • [Bachelor Degree Program] School of Science : Biological Sciences : Biology
  • [Master's Program] Graduate School of Integrated Sciences for Life : Division of Integrated Sciences for Life : Program of Basic Biology
  • [Doctoral Program] Graduate School of Integrated Sciences for Life : Division of Integrated Sciences for Life : Program of Basic Biology

In Charge of Primary Major Programs

  • Biology

Research Fields

  • Biological Sciences;Genome science;Genome biology
  • Biology;Biological Science;Developmental biology

Research Keywords

  • Comparative genomics, Genome assembly, Development, Evolution

Affiliated Academic Societies

  • The Zoological Society of Japan
  • The Japanese Society of Phycology
  • The Botanical Society of Japan
  • The Japanese Society of Fisheries Science

Educational Activity

Course in Charge

  1. 2026, Undergraduate Education, Second Semester, Seminar for Evolution and Development
  2. 2026, Undergraduate Education, Second Semester, Special Study for Graduation
  3. 2026, Undergraduate Education, Second Semester, Practice for Fundamental Biology IV
  4. 2026, Undergraduate Education, First Semester, Summer Course for Marine Biology A
  5. 2026, Undergraduate Education, First Semester, Summer Course for Marine Biology B
  6. 2026, Undergraduate Education, First Semester, Marine Biological Course
  7. 2026, Undergraduate Education, Year, New marine course for marine biological education
  8. 2026, Undergraduate Education, First Semester, Shimanami Kaido Marine Biology Course
  9. 2026, Undergraduate Education, Second Semester, Shimanami Kaido Marine Biology Course
  10. 2026, Graduate Education (Master's Program) , 1Term, Special Lectures in Integrated Sciences for Life

Research Activities

Academic Papers

  1. Aurantivibrio plasticivorans gen. nov., sp. nov. and Aurantivibrio infirmus sp. nov., biodegradable plastic-degrading bacteria belonging to the family Cellvibrionaceae, isolated from the coast of Japan, INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, 75(9), 2025
  2. Transcriptomic evidence for Brachyury expression in the caudal tip region of adult Ptychodera flava (Hemichordata), Development, Growth & Differentiation, 65(8), 470-480, 202310
  3. Ancestral Stem Cell Reprogramming Genes Active in Hemichordate Regeneration, Frontiers in Ecology and Evolution, 10, 20220215
  4. Genome and transcriptome assemblies of the kuruma shrimp, Marsupenaeus japonicus, G3, 2021
  5. Chloroplast acquisition without the gene transfer in kleptoplastic sea slugs, Plakobranchus ocellatus, eLife, 10, e60176, 2021
  6. Integrated omics unveil the secondary metabolic landscape of a basal dinoflagellate, BMC Biology, 18, 139, 2020
  7. Comparative genomics of four strains of the edible brown alga, Cladosiphon okamuranus, BMC Genomics, 21, 422, 2020
  8. Correlation between organelle genetic variation and RNA editing in dinoflagellates associated with the coral Acropora digitifera, Genome Biology and Evolution, 12(3), 203-209, 2020
  9. Organelle inheritance and genome architecture variation in isogamous brown algae, Scientific Reports, 10, 2048, 2020
  10. Differential gene expression in fronds and stolons of the siphonous macroalga, Caulerpa lentillifera, Development, Growth & Differentiation, 61(9), 475-484, 2019
  11. Xenacoelomorph-specific Hox peptides: insights into the phylogeny of acoels, nemertodermatids, and xenoturbellids, Zoological Science, 36(5), 395-401, 2019
  12. A draft genome assembly of the acoel flatworm Praesagittifera naikaiensis, GigaScience, 8(4), 1-8, 2019
  13. A siphonous macroalgal genome suggests convergent functions of homeobox genes in algae and land plants, DNA Research, 26(2), 183-192, 2019
  14. Draft genome of the brown alga, Nemacystus decipiens, Onna-1 strain: Fusion of genes involved in the sulfated fucan biosynthesis pathway, Scientific Reports, 9, 4607, 2019
  15. Regeneration in the enteropneust hemichordate, Ptychodera flava, and its evolutionary implications, Development, Growth & Differentiation, 60(6), 400-408, 2018
  16. A draft genome of the brown alga, Cladosiphon okamuranus, S-strain: a platform for future studies of 'mozuku' biology, DNA Research, 23(6), 561-570, 2016
  17. Hedgehog Expression During Development and Regeneration in the Hemichordate, Ptychodera flava, Zoological Science, 32(1), 33-37, 2015
  18. A cDNA resource for gene expression studies of a hemichordate, Ptychodera flava, Zoological Science, 31(7), 414-420, 2014
  19. Regeneration in the hemichordate Ptychodera flava, Zoological Science, 27(2), 91-95, 2010
  20. Possible unicellular land plants : insights from a siphonous macroalgal genome, Regulation of Plant Growth & Development, 56(1), 51-54, 2021

Publications such as books

  1. 2022, Whole-Body Regeneration, Studying Hemichordata WBR Using Ptychodera flava, Humana, Scholarly Book, Contributor, 978-1-0716-2171-4

Invited Lecture, Oral Presentation, Poster Presentation

  1. RNA and protein profiles of Caulerpa lentillifera, 50th Annual Meeting of the Japanese Society of Phycology, 2026/03/21, Without Invitation, Japanese
  2. Utilization of nanopore sequencing in genome projects of marine organisms, OIST Marine Genomics mini-workshop 2025, 2025/08/08, Without Invitation, English, Okinawa, Japan
  3. Quantitative evaluation of long-read RNA-sequencing for Caulerpa lentillifera, 49th Annual Meeting of the Japanese Society of Phycology, 2025/03/23, Without Invitation, Japanese
  4. Brachyury gene in the hemichordates, Ptychodera flava, 17th International Echinoderm Conference & 2nd International Hemichordate Meeting, 2024/07/15, Without Invitation, English, Spain, Tenerife
  5. Development of long-read RNA-sequencing for Caulerpa lentillifera, 48th Annual Meeting of the Japanese Society of Phycology, 2024/03/24, Without Invitation, Japanese
  6. Exploration of genome sequencing methods for marine invertebrates using long-read sequencing, 2024/03/08, Without Invitation, Japanese
  7. Proteomic analysis of the unicellular macroalga Caulerpa lentillifera, Asuka Arimoto, 24th International Seaweed Symposium 2023, 2023/03/20, Without Invitation, English, Hobart, Australia
  8. Draft genome of the kuruma shrimp, Marsupenaeus japonicus, 21st Marine Biotechnology Society Conference, 2021/05/15, Without Invitation, Japanese
  9. Comparative genomics of four strains of Cladosiphon okamuranus, 45th Annual Meeting of the Japanese Society of Phycology, 2021/03/17, Without Invitation, Japanese
  10. Gene family expansions involving in stress responses in the siphonous macroalga, Caulerpa lentillifera, Asuka Arimoto, Frontiers in Algal Research, 2019/10/29, With Invitation, English, Qingdao, China
  11. Analysis of gene expansion and expression profiles in the siphonous macroalga, Caulerpa lentillifera, Asuka Arimoto, Koki Nishitsuji, Noriyuki Satoh, Eiichi Shoguchi, 23rd International Seaweed Symposium 2019, 2019/05/03, Without Invitation, English, Jeju, Republic of Korea
  12. Comparative genomics of Alphaproteobacteria associated with the dinoflagellate Symbiodiniaceae, Eiichi Shoguchi, Kanako Hisata, Koki Nishitsuji, Asuka Arimoto, Noriyuki Satoh, 23rd International Seaweed Symposium 2019, 2019/05/02, Without Invitation, English, Jeju, Republic of Korea
  13. Draft genome of the brown alga, Nemacystus decipiens, Onna-1 strain: fusion genes related to sulfated fucan, Koki Nishitsuji, Asuka Arimoto, Noriyuki Satoh, Eiichi Shoguchi, 23rd International Seaweed Symposium 2019, 2019/05/02, Without Invitation, English, Jeju, Republic of Korea

Awards

  1. 2020/09/04, Zoological Science Award 2020, The Zoological Society of Japan
  2. 2020/01/23, 41st Okinawa Research Encouragement Award, The Okinawa Foundation
  3. 2011/09/22, Zoological Science Award 2011, The Zoological Society of Japan

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI (Grant-in-Aid for Scientific Research (C)), 2026/04/01, 2029/03/31
  2. KAKENHI (Grant-in-Aid for Scientific Research (C)), 2023/04/01, 2027/03/31
  3. KAKENHI (Grant-in-Aid for Early-Career Scientists), Validation of site-specific transcription and nuclear export supporting RNA localization in multinucleated giant unicellular organisms, 2022/04/01, 2026/03/31
  4. KAKENHI (Grant-in-Aid for Publication of Scientific Research Results), Open lecture on giant unicellular organisms, 2022/04/01, 2022/08/22
  5. KAKENHI (Grant-in-Aid for Publication of Scientific Research Results (Publication of Research Results (B))), Open lecture on giant unicellular organisms, 2021/04/01, 2021/10/17
  6. KAKENHI (Grant-in-Aid for Early-Career Scientists), Elucidation of morphogenetic mechanisms using RNA and protein localization profiles during translation process in the giant unicellular alga, Caulerpa lentillifera, 2019/04/01, 2022/03/31

Social Activities

History as Peer Reviews of Academic Papers

  1. 2025, Scientific Data, Others, Reviewer, 1
  2. 2025, BMC Genomics, Others, Reviewer, 1
  3. 2024, G3: Genes|Genomes|Genetics, Others, Reviewer, 2
  4. 2024, Heliyon, Others, Reviewer, 1
  5. 2023, G3: Genes|Genomes|Genetics, Others, Reviewer, 1
  6. 2021, G3: Genes|Genomes|Genetics, Others, Reviewer, 1
  7. 2021, BMC Genomics, Others, Reviewer, 1
  8. 2020, BMC Genomics, Others, Reviewer, 1
  9. 2019, BMC Genomics, Others, Reviewer, 2