World's Best Scientists 2026 revealed!
Akiyoshi Takahashi

Akiyoshi Takahashi

D-Index & Metrics

Biology and Biochemistry

D-Index
47
Citations
6576
World Ranking
18784
National Ranking
1346

Akiyoshi Takahashi 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 Akiyoshi Takahashi 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: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 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: 418 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: 197 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: 60 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: 222 publications — 58th percentile

58% of scientists in this discipline score the same or lower.

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

Akiyoshi Takahashi 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 Akiyoshi Takahashi sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 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: 72 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: 47 D-Index — 6th percentile

6% of scientists in this discipline score the same or lower.

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

Overview

Akiyoshi Takahashi is affiliated with Kitasato University in Japan and has a research focus spanning multiple fields, primarily Neuroscience, Medicine, and Biochemistry, Genetics, and Molecular Biology. Their work delves into several specialized subfields such as Endocrine and Autonomic Systems, Cellular and Molecular Neuroscience, Nutrition and Dietetics, Cell Biology, and Molecular Biology.

Takahashi's research topics broadly cover areas including Regulation of Appetite and Obesity, Biochemical Analysis and Sensing Techniques, melanin and skin pigmentation, Neuropeptides and Animal Physiology, Aquaculture Nutrition and Growth, Receptor Mechanisms and Signaling, and Neurobiology and Insect Physiology Research.

Their recent published papers include:

  • Effects of background color and feeding status on the expression of genes associated with body color regulation in the goldfish Carassius auratus, 2021, General and Comparative Endocrinology
  • Effects of tank color brightness on the body color, somatic growth, and endocrine systems of rainbow trout Oncorhynchus mykiss, 2020, General and Comparative Endocrinology
  • Expression dynamics of visual opsin genes in marbled sole Pseudopleuronectes yokohamae during metamorphosis from the larval to the juvenile stage, 2021, Gene
  • An evaluation of the growth-promoting effects of green light on spotted halibut for its practical application in aquaculture, 2021, Fisheries Science
  • A surge in respiratory syncytial virus infection-related hospitalizations associated with the COVID-19 pandemic: An observational study at pediatric emergency referral hospitals in Tokushima Prefecture, 2023, PLOS Global Public Health

The frequent co-authors collaborating with Takahashi include:

  • Kanta Mizusawa (10 publications)
  • Satoshi Kasagi (7 publications)
  • Yang Ting-shu (3 publications)
  • Masafumi Amano (3 publications)
  • Atsumi Takechi (3 publications)

Takahashi's work has appeared mainly in the following publication venues:

  • General and Comparative Endocrinology (3 publications)
  • Fisheries Science (2 publications)
  • Gene (1 publication)
  • Frontiers in Endocrinology (1 publication)
  • ZOOLOGICAL SCIENCE (1 publication)

Best Publications

  • Development of a Homologous Radioimmunoassay for Coho Salmon Insulin-like Growth Factor-I

    Shunsuke Moriyama;Penny Swanson;Manabu Nishii;Akiyoshi Takahashi

  • Peptide Purification, Complementary Deoxyribonucleic Acid (DNA) and Genomic DNA Cloning, and Functional Characterization of Ghrelin in Rainbow Trout

    Hiroyuki Kaiya;Masayasu Kojima;Hiroshi Hosoda;Shunsuke Moriyama

  • Regulation of gonadal steroidogenesis in Fundulus heteroclitus by recombinant salmon growth hormone and purified salmon prolactin.

    Hanuman Singh;Hanuman Singh;Hanuman Singh;Robert W. Griffith;Robert W. Griffith;Akiyoshi Takahashi;Hiroshi Kawauchi

  • Development and validation of a salmon growth hormone radioimmunoassay.

    Jonathan P. Bolton;A. Takahashi;H. Kawauchi;J. Kubota

  • Possible involvement of melanin-concentrating hormone in food intake in a teleost fish, barfin flounder

    Akiyoshi Takahashi;Keisuke Tsuchiya;Takeshi Yamanome;Masafumi Amano

  • Melanotropin and corticotropin are encoded on two distinct genes in the lamprey, the earliest evolved extant vertebrate

    A. Takahashi;Y. Amemiya;M. Sarashi;S.A. Sower

  • White background reduces the occurrence of staining, activates melanin-concentrating hormone and promotes somatic growth in barfin flounder

    Takeshi Yamanome;Masafumi Amano;Akiyoshi Takahashi

  • Isolation and properties of chum salmon prolactin

    Hiroshi Kawauchi;Ken-Ichi Abe;Akiyoshi Takahashi;Tetsuya Hirano

  • Evolution of melanocortin systems in fish

    Akiyoshi Takahashi;Hiroshi Kawauchi

  • Identification of sea lamprey GTHβ-like cDNA and its evolutionary implications

    Stacia A. Sower;Shunsuke Moriyama;Makoto Kasahara;Akiyoshi Takahashi

  • Activation of the C4 and C2 components of complement by a proteinase in serum bactericidal factor, Ra reactive factor.

    Yue-Hua Ji;T. Fujita;H. Hatsuse;A. Takahashi

  • Development and validation of a salmon prolactin radioimmunoassay

    T. Hirano;P. Prunet;H. Kawauchi;A. Takahashi

  • Identification of growth hormone in the sea lamprey, an extant representative of a group of the most ancient vertebrates.

    Hiroshi Kawauchi;Kunimasa Suzuki;Tomohide Yamazaki;Shunsuke Moriyama

  • Effects of tank color on melanin-concentrating hormone levels in the brain, pituitary gland, and plasma of the barfin flounder as revealed by a newly developed time-resolved fluoroimmunoassay.

    Noriko Amiya;Masafumi Amano;Akiyoshi Takahashi;Takeshi Yamanome

  • Amino acid sequence and relative biological activity of eel atrial natriuretic peptide

    Y. Takei;A. Takahashi;T.X. Watanabe;K. Nakajima

  • A Homolog of Mammalian PRL-Releasing Peptide (Fish Arginyl-Phenylalanyl-Amide Peptide) Is a Major Hypothalamic Peptide of PRL Release in Teleost Fish

    Shunsuke Moriyama;Toshihiro Ito;Akiyoshi Takahashi;Masafumi Amano

  • A newly characterized melanotropin in proopiomelanocortin in pituitaries of an elasmobranch, Squalus acanthias.

    Yutaka Amemiya;Akiyoshi Takahashi;Nobuo Suzuki;Yuichi Sasayama

  • Human mannose-binding protein is identical to a component of Ra-reactive factor.

    Misao Matsushita;Akiyoshi Takahashi;Hiromi Hatsuse;Masaya Kawakami

  • Isolation and characterization of melanotropins from lamprey pituitary glands

    Akiyoshi Takahashi;Yutaka Amemiya;Masumi Nozaki;Stacia A. Sower

  • Sturgeon proopiomelanocortin has a remnant of gamma-melanotropin.

    Yutaka Amemiya;Akiyoshi Takahashi;Robert M. Dores;Hiroshi Kawauchi

Frequent Co-Authors

Hiroshi Kawauchi
Hiroshi Kawauchi Kitasato University
Seiji Shioda
Seiji Shioda Shonan University of Medical Sciences
Masahiro Sakai
Masahiro Sakai University of Miyazaki
Yoshitaka Oka
Yoshitaka Oka University of Tokyo
Yoshio Takei
Yoshio Takei University of Tokyo
Helgi B. Schiöth
Helgi B. Schiöth Uppsala University
Katsumi Aida
Katsumi Aida University of Tokyo
Misao Matsushita
Misao Matsushita Tokai University
E. Gordon Grau
E. Gordon Grau University of Hawaii at Manoa
Craig V. Sullivan
Craig V. Sullivan North Carolina State University

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