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Yoshitaka Nagahama

Yoshitaka Nagahama

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Biology and Biochemistry
Japan
2026

D-Index & Metrics

Biology and Biochemistry

D-Index
107
Citations
41354
World Ranking
1105
National Ranking
62

Yoshitaka Nagahama publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Yoshitaka Nagahama sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 417 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 196 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 59 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 571 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Yoshitaka Nagahama D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Yoshitaka Nagahama sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 71 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 107 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Biology and Biochemistry in Japan Leader Award
  • 2025 - Research.com Biology and Biochemistry in Japan Leader Award

Overview

Yoshitaka Nagahama is affiliated with Ehime University in Japan and has contributed extensively to the fields of biochemistry, genetics, molecular biology, and medicine. Their research primarily focuses on genetic and clinical aspects of sex determination and chromosomal abnormalities, reproductive biology with an emphasis on aquatic species, animal behavior and reproduction, sexual differentiation and disorders, sperm and testicular function, neuroendocrine regulation and behavior, and hypothalamic control of reproductive hormones.

The scientist's body of work includes publications in notable venues such as Physiological Reviews, Current Biology, eLife, Cell Death and Differentiation, and Scientific Reports. Some of their recent papers include:

  • "Sex determination, gonadal sex differentiation, and plasticity in vertebrate species" (2020, Physiological Reviews)
  • "Estrogen receptor 2b is the major determinant of sex-typical mating behavior and sexual preference in medaka" (2021, Current Biology)
  • "Male-predominant galanin mediates androgen-dependent aggressive chases in medaka" (2020, eLife)
  • "Estrogen and estrogen receptors chauffeur the sex-biased autophagic action in liver" (2020, Cell Death and Differentiation)
  • "Testicular inducing steroidogenic cells trigger sex change in groupers" (2021, Scientific Reports)

Frequent coauthors collaborating with Nagahama include Kohei Ohta, Masaru Nakamura, Tapas Chakraborty, Bindhu Paul-Prasanth, and Kataaki Okubo.

Their research spans several subfields, including genetics, physiology, reproductive medicine, ecology, evolution, behavior and systematics, and molecular biology.

Best Publications

  • Sex determination and sex differentiation in fish: an overview of genetic, physiological, and environmental influences

    Robert H. Devlin;Yoshitaka Nagahama

  • DMY is a Y-specific DM-domain gene required for male development in the medaka fish

    Masaru Matsuda;Yoshitaka Nagahama;Ai Shinomiya;Tadashi Sato

  • Gonadal sex differentiation in teleost fish

    Masaru Nakamura;Tohru Kobayashi;Xiao-Tian Chang;Yoshitaka Nagahama

  • Sexual Dimorphic Expression of Genes in Gonads During Early Differentiation of a Teleost Fish, the Nile Tilapia Oreochromis niloticus

    Shigeho Ijiri;Hiroyo Kaneko;Tohru Kobayashi;De-Shou Wang;De-Shou Wang

  • Two DM domain genes, DMY and DMRT1, involved in testicular differentiation and development in the medaka, Oryzias latipes

    Tohru Kobayashi;Masaru Matsuda;Masaru Matsuda;Hiroko Kajiura-Kobayashi;Aya Suzuki

  • Suppression of P450 aromatase gene expression in sex-reversed males produced by rearing genetically female larvae at a high water temperature during a period of sex differentiation in the Japanese flounder (Paralichthys olivaceus)

    T Kitano;K Takamune;T Kobayashi;Y Nagahama

  • A Tandem Duplicate of Anti-Müllerian Hormone with a Missense SNP on the Y Chromosome Is Essential for Male Sex Determination in Nile Tilapia, Oreochromis niloticus.

    Minghui Li;Yunlv Sun;Jiue Zhao;Hongjuan Shi

  • The vasa-like gene, olvas, identifies the migration path of primordial germ cells during embryonic body formation stage in the medaka, Oryzias latipes.

    Ai Shinomiya;Minoru Tanaka;Tohru Kobayashi;Yoshitaka Nagahama

  • The role of hormones in the acquisition of sperm motility in salmonid fish.

    Takeshi Miura;Takeshi Miura;Kohei Yamauchi;Hiroya Takahashi;Yoshitaka Nagahama

  • Diversity and plasticity of sex determination and differentiation in fishes.

    Y. Kobayashi;Y. Nagahama;M. Nakamura

  • The duality of teleost gonadotropins.

    Hiroshi Kawauchi;Kunimasa Suzuki;Hiromichi Itoh;Penny Swanson

  • Differential expression of vasa homologue gene in the germ cells during oogenesis and spermatogenesis in a teleost fish, tilapia, Oreochromis niloticus.

    Tohru Kobayashi;Hiroko Kajiura-Kobayashi;Yoshitaka Nagahama

  • Establishment of medaka (Oryzias latipes) transgenic lines with the expression of green fluorescent protein fluorescence exclusively in germ cells: A useful model to monitor germ cells in a live vertebrate

    Minoru Tanaka;Masato Kinoshita;Daisuke Kobayashi;Yoshitaka Nagahama

  • Cloning and sequence analysis of the cDNA encoding P-450 aromatase (P450arom) from a rainbow trout (Oncorhynchus mykiss) ovary; relationship between the amount of P450arom mRNA and the production of oestradiol-17β in the ovary

    M. Tanaka;T. M. Telecky;S. Fukada;S. Adachi

  • Molecular cloning and analysis of gonadal expression of Foxl2 in the medaka, Oryzias latipes

    Masatoshi Nakamoto;Masaru Matsuda;Masaru Matsuda;De-Shou Wang;De-Shou Wang;Yoshitaka Nagahama

  • Two types of aromatase with different encoding genes, tissue distribution and developmental expression in Nile tilapia (Oreochromis niloticus).

    Xiaotian Chang;Thoru Kobayashi;Balasubramanian Senthilkumaran;Hiroko Kobayashi-Kajura

  • Changes in serum concentrations of steroid hormones, thyroxine, and vitellogenin during spawning migration of the chum slamon, Oncorhynchus keta

    Hiroshi Ueda;Osamu Hiroi;Akihiko Hara;Kohei Yamauchi

  • Histological and ultrastructural evidence for the role of gonadal steroid hormones in sex change in the protogynous wrasse Thalassoma duperrey

    Masaru Nakamura;Thomas F. Hourigan;Kohei Yamauchi;Yoshitaka Nagahama

  • DMY gene induces male development in genetically female (XX) medaka fish

    Masaru Matsuda;Ai Shinomiya;Masato Kinoshita;Aya Suzuki

  • Induction of XY sex reversal by estrogen involves altered gene expression in a teleost, tilapia.

    T. Kobayashi;H. Kajiura-Kobayashi;Y. Nagahama

Frequent Co-Authors

Balasubramanian Senthilkumaran
Balasubramanian Senthilkumaran University of Hyderabad
Minoru Tanaka
Minoru Tanaka Nagoya University
Taisen Iguchi
Taisen Iguchi National Institute for Basic Biology
Kiyoshi Naruse
Kiyoshi Naruse National Institute for Basic Biology
Takeshi Todo
Takeshi Todo Osaka University
Robert H. Devlin
Robert H. Devlin Fisheries and Oceans Canada
Ken-ichirou Morohashi
Ken-ichirou Morohashi Kyushu University
Yoichi Matsuda
Yoichi Matsuda Nagoya University
Ishwar S. Parhar
Ishwar S. Parhar University of Toyama
Yoshitaka Oka
Yoshitaka Oka University of Tokyo

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