Rchr
J-GLOBAL ID：200901088102943913   Update date: Sep. 06, 2024

Ijiri Shigeho

イジリ シゲホ | Ijiri Shigeho
Affiliation and department：
Hokkaido University Faculty of Fisheries Sciences, Division of Marine Life Science, Laboratory of Aquaculture Biology

About Hokkaido University Faculty of Fisheries Sciences, Division of Marine Life Science, Laboratory of Aquaculture Biology


Job title： Associate Professor
Research field  (1)： Aquaculture
Research keywords  (9)： oocyte maturation ,  sturgeon ,  tilapia ,  eel ,  fish reproduction ,  fish steroidogenesis ,  sex differentiation in fish ,  reproductive physiology in fish ,  Reproductive fish physiology
Research theme for competitive and other funds  (20)：
  • 2024 - 2027 核内受容体PPARを標的とした新たな魚類の性統御法の開発
  • 2023 - 2026 Exploration of the follicle-stimulating hormone-releasing hormone in the hypothalamus
  • 2022 - 2026 Studies on regulatory mechanisms underlying steroidogenic enzymes expression that governs sex differentiation, oocyte growth and maturation in teleost
  • 2021 - 2025 Molecular studies on sex differentiation, oocyte maturation, ovulation, and egg quality loss in sturgeons
  • 2018 - 2022 条鰭類を網羅する卵成熟誘起ホルモン産生分子機構の解明
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Papers (93)：
  • Yuya Hasegawa, Ryohei Surugaya, Kazuki Tousaka, Shinji Adachi, Shigeho Ijiri. Identification of maturation-inducing steroid in sturgeons via comprehensive analyses of steroids produced during oocyte maturation. The Journal of steroid biochemistry and molecular biology. 2024. 238. 106442-106442
  • Ryohei Surugaya, Yuya Hasegawa, Kazuki Tousaka, Shinji Adachi, Shigeho Ijiri. mRNA expression profiles of proteolytic genes during the process of ovulation in ovarian follicles of sturgeons. Fisheries Science. 2024. 90. 1. 41-51
  • Ai Shinomiya, Daisuke Adachi, Tsuyoshi Shimmura, Miki Tanikawa, Naoshi Hiramatsu, Shigeho Ijiri, Kiyoshi Naruse, Mitsuru Sakaizumi, Takashi Yoshimura. Variation in responses to photoperiods and temperatures in Japanese medaka from different latitudes. Zoological letters. 2023. 9. 1. 16-16
  • Horiuchi M, Hagihara S, Kume M, Chushi D, Hasegawa Y, Itakura H, Yamashita Y, Adachi S, Ijiri S. Morphological and molecular gonadal sex differentiation in wild Japanese eel Anguilla japonica. Cells. 2022. 11. 9. e1554
  • Xiaozhi Lin, Wataru Takagi, Susumu Hyodo, Shigeho Ijiri, Yoshinao Katsu, Michael E Baker. Regulation by Progestins, Corticosteroids, and RU486 of Transcriptional Activation of Elephant Shark and Human Progesterone Receptors: An Evolutionary Perspective. ACS pharmacology & translational science. 2022. 5. 2. 52-61
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MISC (41)：
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Books (6)：
  • 魚類の性決定・性分化・性転換 : これまでとこれから = Sex determination, sex differentiation and sex change in fishes-past, present and future
    恒星社厚生閣 2021 ISBN:9784769916635
  • ウナギの科学
    朝倉書店 2019 ISBN:9784254485028
  • 魚類学の百科事典
    丸善 2018 ISBN:9784621303177
  • 海をまるごとサイエンス
    2018 ISBN:9784303800017
  • 魚類学
    恒星社厚生閣 2017
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Lectures and oral presentations  (10)：
  • ティラピア、チョウザメ、ウナギの性分化
    (平成30年度日本水産学会秋期大会、シンポジウム「魚類の性決定・性分化・性転換 -これまでとこれから-」 2018)
  • Molecular mechanism of maturation-inducing steroid synthesis during oocyte maturation
    (International Fisheries Symposium 2016)
  • Molecular mechanism of maturation-inducing steroid synthesis during oocyte maturation in Japanese eel
    (Towards reproduction of eel in captivity to support sustainable aquaculture 2016)
  • Molecular mechanism of the maturation-inducing hormone production in cultured ovaries of the Japanese eel, Anguilla japonica
    (International Symposium on Fish Endocrinology 2016)
  • 水産重要魚種、ウナギとチョウザメの増養殖研究におけるNGSの利用
    (NGS現場の会 第四回研究会 2015)
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Education (4)：
  • - 1997 Hokkaido University
  • - 1997 Hokkaido University Graduate School, Division of Fisheries
  • - 1992 Hokkaido University School of Fisheries Sciences
  • - 1992 Hokkaido University Faculty of Fisheries
Professional career (1)：
  • Studies on the steroidogenic enzyme system for ovarian estrogen biosynthesisi of Japanese eel, Anguilla japonica (Hokkaido University)
Work history (8)：
  • 2005 - 2006 National Institutes of Natural Sciences
  • 2005 - 2006 Researcher
  • 2004 - 2005 科学技術振興事業団 研究員
  • 2004 - 2005 Researcher
  • 2001 - 2004 大学院水産科学研究科 日本学術振興会特別研究員
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Association Membership(s) (3)：
JAPANESE SOCIETY FOR AQUACULTURE SCIENCE ,  JAPAN SOCIETY FOR COMPARATIVE ENDOCRINOLOGY ,  日本水産学会
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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