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Gen Koichiro  玄 浩一郎

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… Alternative Names

GEN Koichiro  玄 浩一郎

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Researcher Number 80372051
External Links
Affiliation (Current) 2025: 国立研究開発法人水産研究・教育機構, 水産技術研究所(長崎), 部長
Affiliation (based on the past Project Information) *help 2015: 国立研究開発法人水産総合研究センター, その他部局等, 研究員
2014: 独立行政法人水産総合研究センター, その他部局等, 研究員
2013: 水産総合研究, 西海区水産研究 所, 主任研究員
2012 – 2013: 独立行政法人水産総合研究センター, 西海区水産研究所, 主任研究員
2012: 水産総合研究センター, 西海区水産研究所, 主任研究員 … More
2012: 独立行政法人水産総合研究センター, その他部局等, 主任研究員
2011 – 2012: 独立行政法人水産総合研究センター, 増養殖研究所, 主任研究員
2011: 独立行政法人水産総合研究センター, 増養殖研究所・養殖技術部, 主任研究員
2010: 独立行政法人水産総合研究センター, 養殖研究所生産技術部, 主任研究員
2007 – 2008: Fisheries Research Agency, 養殖研究所・生産技術部, 主任研究員
2007: (独)水産総合研究センター, 養殖研究所, 主任研究員
2006 – 2007: (独)水産総合研究センター養殖研究所, 主任研究員
2006: 独立行政法人水産総合研究センター, 養殖研究所生産技術部, 主任研究員
2005: National Research Institute of Aquaculture Fisheries Agency, Aquaculture Biology Division, Senior Researcher, 養殖研究所・生産技術部, 主任研究員
2004: 独立行政法人水産総合研究センター, 養殖研究所・生産技術部, 主任研究官 Less
Review Section/Research Field
Principal Investigator
General fisheries / Aquatic bioproduction science
Except Principal Investigator
General fisheries
Keywords
Principal Investigator
steroidogenesis / red seabream / recombinant protein / baculovirus expression system / gonadotropins / 共発現系 / 共感染系 / 雌性ホルモン産生能 / 雄性ホルモン産生能 / バキュロウイルス共感染系 … More / バキュロウイルス発現系 / 組換えタンパク質 / マダイ / 生殖腺刺激ホルモン / 成熟誘導機能タンパク質 / 水産増養殖 / 繁殖生理 / 卵巣 / 成熟誘導遺伝子 / 初回成熟 / クロマグロ / メダカ / 放射線照射 / 始原生殖細胞(PGC) / 不妊化技術 … More
Except Principal Investigator
生殖腺刺激ホルモン / biotelemetry / spawning migration / hormone / honeycomb grouper / lunar-related spawning / maturation / バイオテレメトリー / カンモンハタ / 月周産卵 / 成熟 / 生殖線刺激ホルモン / 組換えホルモン / puberty / 初回成熟 / 黄体形成ホルモン / 濾胞刺激ホルモン / 組換えタンパク / ラジオイムノアッセイ / マダイ / 卵母細胞 / 蛋白質相互作用 / ビテロジェニン受容体 / ビテロジェニン / 受容体標的輸送 / 魚類 / バイオテクノロジー / 生殖生理 / ウナギ / 水産学 Less
  • Research Projects

    (7 results)
  • Research Products

    (29 results)
  • Co-Researchers

    (11 People)
  •  Age-related changes in ovarian gene expression in Pacific bluefin tunaPrincipal Investigator

    • Principal Investigator
      GEN KOICHIRO
    • Project Period (FY)
      2013 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Aquatic bioproduction science
    • Research Institution
      Japan Fisheries Research and Education Agency
  •  Basic studies on development of a novel delivery system of materials into fish oocytes

    • Principal Investigator
      HIRAMATSU Naoshi
    • Project Period (FY)
      2011 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General fisheries
    • Research Institution
      Hokkaido University
  •  Studies on the puberty of red seabream with special reference to gonadotropins

    • Principal Investigator
      OKUZAWA Koichi
    • Project Period (FY)
      2011 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General fisheries
    • Research Institution
      Fisheries Research Agency
  •  Production of recombinant Japanese eel gonadotropins and their roles on the oogenesis

    • Principal Investigator
      KAZETO Yukinori
    • Project Period (FY)
      2010 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General fisheries
    • Research Institution
      Fisheries Research Agency
  •  魚類の始原生殖細胞を標的とした新しい不妊化技術の開発Principal Investigator

    • Principal Investigator
      玄 浩一郎
    • Project Period (FY)
      2006 – 2008
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      General fisheries
    • Research Institution
      Fisheries Research Agency
  •  Study on the mechanism of lunar-related spawning in honeycomb grouper

    • Principal Investigator
      SOYANO Kiyoshi
    • Project Period (FY)
      2006 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General fisheries
    • Research Institution
      Nagasaki University
  •  Expression of biologically active red seabream gonadotropins in a baculovirus systemPrincipal Investigator

    • Principal Investigator
      GEN Koichiro
    • Project Period (FY)
      2004 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      General fisheries
    • Research Institution
      National Research Institute of Aquaculture, Fisheries Agency

All 2015 2014 2013 2012 2008 2007 2006 2005 2004 Other

All Journal Article Presentation Book

  • [Book] Biology and Ecology of Bluefin Tuna2015

    • Author(s)
      Gen K.
    • Total Pages
      30
    • Publisher
      CRC Press
    • Data Source
      KAKENHI-PROJECT-25450294
  • [Book] マグロの資源と生物学2014

    • Author(s)
      松原孝博、玄浩一郎、澤口小有美、持田和彦、二階堂英城
    • Total Pages
      13
    • Publisher
      成山堂
    • Data Source
      KAKENHI-PROJECT-25450294
  • [Book] 魚類の生殖内分泌系における作用機構 : 環境ホルモン2006

    • Author(s)
      香川浩彦, 奥澤公一, 玄 清一郎, 松山倫也
    • Publisher
      恒星社厚生閣
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Molecular characterization and gene expression of Japanese eel (Anguilla japonica) gonadotropin receptors2012

    • Author(s)
      Kazeto Y, Kohara M, Tosaka R, Gen K, Yokoyama M, Miura C, Miura T, Adachi S, Yamauchi K
    • Journal Title

      Zoological Sciences

      Volume: 29 Pages: 204-21

    • NAID

      40019178839

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22580219
  • [Journal Article] Novel expression of importin alpha homologue in marine teleost, Pagrus major2008

    • Author(s)
      Gen K, Yamaguchi S, Okuzawa K, Kagawa H, Alam MS
    • Journal Title

      Comp Biochem Physiol B Biochem Mol Biol. 151(4)

      Pages: 420-427

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18658081
  • [Journal Article] Influence of estradiol-17β, testosterone, and 11-ketotestosterone on testicular development, serum steroid hormone, and gonadotropin secretion in male red seabream Pagrus maior.2006

    • Author(s)
      Yamaguchi, S., Gen, K., Okuzawa, K., Matsuyama, M., Kagawa, H.
    • Journal Title

      Fisheries Science 72

      Pages: 835-845

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Influence of estradiol-17β, testosterone, and 11-ketotestosterone on testicular development, serum steroid hormone, and gonadotropin secretion in male red seabream Pagrus major.2006

    • Author(s)
      Yamaguchi, S., Gen, K., Okuzawa, K., Matsuyama, M., Kagawa, H.
    • Journal Title

      Fisheries Science 72

      Pages: 835-845

    • NAID

      10017391591

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Effects of 11-ketotestosterone and gonadotropin-releasing hormone on follicle-stimulating hormone and luteinizing hormone gene expression in castrated and sham-operated male red seabream Pagrus major.2005

    • Author(s)
      Yamaguchi, S., Gen, K., Okuzawa, K., Kumakura, N., Matsuyama, M., Kagawa, H
    • Journal Title

      Fisheries Science 71

      Pages: 1049-1058

    • NAID

      10016375753

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Expression of gonadotropin subunit genes following 4-nonylphenol exposure in masu salmon : Effects on transcript levels and promoter activities via estrogen receptor alpha.2005

    • Author(s)
      Maeng, S., Jung, Y., Choi, E., Jeon, J-K., Kim, S., Gen, K., Sohn, YC.
    • Journal Title

      Comparative Biochemistry and Physiology Part B 142

      Pages: 383-390

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Effects of 11-ketotestosterone and gonadotropin-releasing hormone on follicle-stimulating hormone and luteinizing hormone gene expression in castrated and sham-operated male red seabream Pagrus major.2005

    • Author(s)
      Yamaguchi, S., Gen, K., Okuzawa, K., Kumakura, N., Matsuyama, M., Kagawa, H.
    • Journal Title

      Fisheries Science 71

      Pages: 1049-1058

    • NAID

      10016375753

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Effects of 11-ketotestosterone and gonadotropin releasing hormone of follicle-stimulating hormone and luteinizing hormone gene expression in castrated and sham-operated male red sea bream Pagrus major2005

    • Author(s)
      Yamaguchi, S., Gen, K., Okuzawa, K., Kumakura, N., Matsuyama, M., Kagawa, H.
    • Journal Title

      Fisheries Science 71

      Pages: 1049-1058

    • NAID

      10016375753

    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Expression of gonadotropin subunit genes following 4-nonylphenol exposure in masu salmon : Effects of transcript levels and promoter activities via estrogen receptors alpha2005

    • Author(s)
      Maeng, S., Jung, Y., Choi, E., Joen, J.K., Kim, S., Gen, K., Sohn Y.C.
    • Journal Title

      Comparative Biochemistry and Physiology B: 142

      Pages: 383-390

    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Effects of gonadotropin-releasing hormone on pituitary-ovarian axis of one-year old pre-pubertal red seabream2004

    • Author(s)
      Kumakura N, Okuzawa K, Gen K, Yamaguchi S, Lim BS, Kagawa H
    • Journal Title

      General and Comparative Endocrinology 138(2)

      Pages: 105-112

    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Effects of gonadotropin-releasing hormone agonist and testosterone on gonadotropin subunit gene expression in female red seabream (Pagrus major).2004

    • Author(s)
      Kumakura, N., Okuzawa, K., Yamaguchi, S., Gen, K., Lim, BS., Kagawa, H.
    • Journal Title

      Fish Physiology and Biochemistry 28

      Pages: 99-100

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] 卵や精子の形成に働くホルモン-魚類の生殖腺刺激ホルモンの生合成機構2004

    • Author(s)
      玄 浩一郎
    • Journal Title

      NIASアグリバイオサイエンスシリーズ 1

      Pages: 28-31

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Silicone implants for delivery of estradiol-17β and 11-ketotestosterone to red seabream, Pagrus major.2004

    • Author(s)
      Yamaguchi, S., Kagawa, H., Gen, K., Okuzawa, K., Matsuyama, M.
    • Journal Title

      Aquaculture 239

      Pages: 489-496

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] 卵や精子の形成に働くホルモン-魚類の生殖腺刺激ホルモンの生合成機構-2004

    • Author(s)
      玄 浩一郎
    • Journal Title

      バイオデザイン 生物のかたちと機能 NIAS アグリバイオサイエンスシリーズ 1

      Pages: 28-31

    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Effect of gonadotropin-releasing hormone on pituitary-ovarian axis of one-year old pre-pubertal red seabream.2004

    • Author(s)
      Kumakura, N., Okuzawa, K., Gen, K., Yamaguchi, S., Lim, BS., Kagawa, H.
    • Journal Title

      General and Comparative Endocrinology, 138

      Pages: 105-112

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Physiological roles of FSH and LH in red seabream, Pagrus major.2004

    • Author(s)
      Gen, K., Yamaguchi, S., Okuzawa, K., Kumakura, N., Tanaka, H., Kagawa, H.
    • Journal Title

      Fish Physiology and Biochemistry 28

      Pages: 77-80

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Regulation of gonadotropin subunit genes expression by 11-ketotestosterone during early spermatogenesis in male red seabream, Pagrus major.2004

    • Author(s)
      Yamaguchi, S., Gen, K., Okuzawa, K., Kumakura, N., Kagawa, H., Matsuyama, M.
    • Journal Title

      Fish Physiology and Biochemistry 28

      Pages: 111-112

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Effect of gonadotropin-releasing hormone on pituitary-ovarian axis of one-year old pre-pubertal red seabream.2004

    • Author(s)
      Kumakura, N., Okuzawa, K., Gen, K., Yamaguchi, S., Lim, BS., Kagawa, H.
    • Journal Title

      General and Comparative Endocrinology 138

      Pages: 105-112

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16580163
  • [Journal Article] Silicone implants for delivery of estradiol-17 beta and 11-ketotestosterone to red seabream Pagrus major2004

    • Author(s)
      Yamaguchi S, Kagawa H, Gen K, Okuzawa K, Matsuyama M
    • Journal Title

      Aquaculture 239(1-4)

      Pages: 485-496

    • Data Source
      KAKENHI-PROJECT-16580163
  • [Presentation] 養殖クロマグロの加齢に伴う繁殖特性の変化2015

    • Author(s)
      玄浩一郎、馬久地みゆき、風藤行紀、二階堂英城
    • Organizer
      平成27年度日本水産学会春季大会
    • Place of Presentation
      東京海洋大学(品川キャンパス)
    • Year and Date
      2015-03-30
    • Data Source
      KAKENHI-PROJECT-25450294
  • [Presentation] 組換えウナギ生殖腺刺激ホルモンを恒常発現する哺乳類細胞株の樹立および得られたホルモンの生物活性の検討2013

    • Author(s)
      風藤行紀・尾崎雄一・鈴木博史・伊藤理紗・今泉均・野村和晴・田中秀樹・太田博己・田中寿臣・玄浩一郎
    • Organizer
      平成25年度日本水産学会春季大会
    • Place of Presentation
      東京海洋大学
    • Year and Date
      2013-03-28
    • Data Source
      KAKENHI-PROJECT-22580219
  • [Presentation] ウナギ生殖腺刺激ホルモンの酵素免疫測定系の確立および生体内寿命の長い組換え生殖腺刺激ホルモンの産生2012

    • Author(s)
      風藤行紀・深田陽久・鈴木博史・登坂亮太・山口寿哉・奥澤公一・玄浩一郎
    • Organizer
      平成24年度日本水産学会春季大会
    • Place of Presentation
      東京海洋大学
    • Year and Date
      2012-03-24
    • Data Source
      KAKENHI-PROJECT-22580219
  • [Presentation] マダイ濾胞刺激ホルモンのラジオイムノアッセイの開発2012

    • Author(s)
      奥澤公一・風藤行紀・田中秀樹・玄浩一郎・山口寿哉・宇治督
    • Organizer
      平成24年度日本水産学会春季大会
    • Place of Presentation
      東京海洋大学
    • Year and Date
      2012-03-27
    • Data Source
      KAKENHI-PROJECT-23580273
  • [Presentation] Expression of biological activity red seabream gonadotropins in a baculovirus system : comparison of two different strategies regarding their expression.2007

    • Author(s)
      Gen, K., Soyano, K., Okuzawa, K., Kagawa, H
    • Organizer
      8th International Symposium on Reproductive Physiology of Fish.
    • Place of Presentation
      Saint Malo, France
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18580186
  • [Presentation] Expression of biological activity red seabream gonadotropins in abaculovirus system : comparison of two different strategies regardingtheir expression.2007

    • Author(s)
      Gen, K., Soyano, K., Okuzawa, K., Kagawa, H.
    • Organizer
      8th International Symposium on Reproductive Physiology of Fish.
    • Place of Presentation
      サンマロ・フランス
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18580186
  • [Presentation] Evaluation of seasonal variation in reproduction-related gene expression in the pacific bluefin tuna Thunnus orientalis using nest-generation sequencing

    • Author(s)
      Mekuchi, M., Yasuike, M., Ojima, N., Gen, K., Sugaya, T., Nikaido, H., Shimizu, S.
    • Organizer
      International Plant and Animal Genomics
    • Place of Presentation
      San Diego, CA, USA
    • Data Source
      KAKENHI-PROJECT-25450294
  • 1.  KAZETO Yukinori (60399996)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 5 results
  • 2.  HIRAMATSU Naoshi (10443920)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 3.  OKUZAWA Koichi (00211813)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 4.  TANAKA Hideki (00372029)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 5.  MEKUCHI Miyuki (40594007)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 6.  KAGAWA Hirohiko (60169381)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 14 results
  • 7.  SOYANO Kiyoshi (80260735)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 8.  NAKAMURA Masaru (10101734)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  NAGAE Masaki (00315227)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  荒木 和男 (00202739)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  岡本 裕之 (50372040)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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