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Michiyasu Yoshikuni Last modified date：2023.11.27

Post-doctoral Fellow / Aquatic Field Science
Department of Bioresource Sciences
Faculty of Agriculture


Graduate School
Department of Bioresource Sciences
Graduate School of Bioresource and Bioenvironmental Sciences
Undergraduate School
Department of Bioresource and Bioenvironment
School of Agriculture
Other Organization
Fishery Research Laboratory
Administration Post
Other


E-Mail　*Since the e-mail address is not displayed in Internet Explorer, please use another web browser:Google Chrome, safari.
Homepage
https://kyushu-u.elsevierpure.com/en/persons/michiyasu-yoshikuni
　Reseacher Profiling Tool　Kyushu University Pure
http://www.agr.kyushu-u.ac.jp/asweb/jikkensho/home.html
Phone
0940-52-0163
Fax
0943-52-0190
Academic Degree
Doctor of Agriculture
Field of Specialization
Reproductive Biology, Comparative Endocrinology
Outline Activities
Research of reproduction of fish and marine invertebrates from the aspects of endocrinology, reproductive biology and protein chemistry.
Research
Research Interests
  • Hormonal control of reproduction of amphioxus, Branchiostoma belcheli.
    keyword : amphioxus, reproduction, hormone
    2018.04.
  • Study of a spawning-inducing hormone of tropical sea cucumbers
    keyword : tropical edible sea cucubmer, spawning induction, neurohormone, oocytem aturation
    2014.04.
  • Study of Reproduction of Polychaete.
    keyword : Polychaete, reproduction, hormone
    2011.10.
  • Study of the symbiosis in Aiptasia sp.
    keyword : 　
    2010.04.
  • Identification & applications of gonadotropic hormone of echinoderms.
    keyword : sea cucumber, sea urchin, oocyte maturation, gonodotropic hormone, neuron, hormone,
    2007.04.
  • Comprehensive analysis of neuropeptides of echinoderms.
    keyword : starfish, sea cucumber, sea urchin, peptide hormone, neuropeptide, peptidomics, peptidome, mass spectrometry
    2007.04.
  • Analysis of spawning behavior of echinoderms induced by neuropeptides.
    keyword : echinoderms, reproduction, spawning behavior, gonadotropic hormone
    2007.04.
  • Study of maturation-inducing hormone of sea cucumber
    keyword : Apostichopus japonicus, oocyte maturation, hormone, endocrinology, meiosis
    2007.04.
  • Identification & applications of gonadotropic hormone of crustacea.
    keyword : prawn, oocyte maturation, gonad, gonadtropic hormone, nerve, hormone, endocrine, aqua culture, seedling pruduction
    2007.04.
  • Identification of the gonadtropic hormone of mollusc.
    keyword : oyster, oocyte maturation, gonad, gonadtropic hormone, nerve, hormone, endocrine, aqua culture, seedling pruduction
    2007.04.
Current and Past Project
  • The goals of this project are 1)identification of a natural spawning-inducing hormone of tropical edible sea cucumbers, 2)establishment of an artificial spawning-inducing technique, and 3)application in sea cucumber aquaculture and conservation of the natural resource.
Academic Activities
Reports
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Papers
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1. Masatoshi Mita*, Michiyasu Yoshikuni*, Kaoru Ohno, Yasushi Shibata, Paul Prasanth Bindhu, Pitchayawasin Sutashinee, Minoru Isobe, Yoshitaka Nagahama, A relaxin-like peptide purified from radial nerves induces oocyte maturation and ovulation in the starfish., PNAS: Proceedings of the National Academy of Sciences of the United States of America., 106, 23, 9507-9512., 2009.06.
2. Shinichi Kato, Saori Tsurumaru, Makoto Taga, Tomoki Yamane, Yasushi Shibata, Kaoru Ohno, Atushi Fujiwara, Keisuke Yamano and Michiyasu Yoshikuni, Neuronal peptides induce oocyte maturtion and gamete spawning of sea cucumber, Apostichopus japonicus., Developmental Biology, 326巻1号169-176頁, 2009.02.
Presentations
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Membership in Academic Society
  • The Japanese Society of Fishries Science
  • The Asia and Oceania Society for Comparative Endocrinology
  • The Japan Society for Comparative Endocrinology
  • The Japanese Biochemical Society
  • The Zoological Society of Japan
Educational
Educational Activities
Teaching of biological features of marine invertebrates in various view points of taxonomy, physiology, endocrinology and bioresources.
Advanced lecture of comparative endocrinology of marine invertebrates.
Advanced lecture of reproductive biology of marine invertebrates.
Other Educational Activities
  • 1999.08.
Social
Professional and Outreach Activities
A peptide hormone, Cubifrin, inducing gamete maturation and spawning of Japanese common sea cucumber was found from nerve tissues, and currently provided as a potent spawning-inducing reagent of Apostichopus japonicus form the TLO of Kyushu University. As a social action program of our laboratory, we have been operating workshop and guidance of the egg-laying techinique with use of Cubifrin..


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