World's Best Scientists 2026 revealed!
Koji Tamura

Koji Tamura

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Biology and Biochemistry 48 18493 16967 1332 1236 136 6494

Koji Tamura publications per year

The chart shows the history of publications by Koji Tamura between 1990 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Koji Tamura published across 37 years, from 1990 to 2026, averaging 5.6 papers a year. Output peaked at 30 publications in 2023. 8 of the 206 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1990 to 2026. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2023. 1990: 3 publications 1991: 1 publication 1992: 1 publication 1993: 4 publications 1994: 1 publication 1995: 1 publication 1996: 1 publication 1997: 4 publications 1998: 8 publications 1999: 11 publications 2000: 4 publications 2001: 7 publications 2002: 3 publications 2003: 1 publication 2004: 0 publications 2005: 8 publications 2006: 4 publications 2007: 6 publications 2008: 4 publications 2009: 8 publications 2010: 5 publications 2011: 4 publications 2012: 5 publications 2013: 2 publications 2014: 5 publications 2015: 6 publications 2016: 2 publications 2017: 7 publications 2018: 8 publications 2019: 3 publications 2020: 6 publications 2021: 3 publications 2022: 17 publications 2023: 30 publications 2024: 15 publications 2025: 5 publications 2026: 3 publications
1990 2026

206 publications in total across all disciplines

View publications per year as a table
Koji Tamura: publications per year, 1990 to 2026
Year Publications
1990 3
1991 1
1992 1
1993 4
1994 1
1995 1
1996 1
1997 4
1998 8
1999 11
2000 4
2001 7
2002 3
2003 1
2004 0
2005 8
2006 4
2007 6
2008 4
2009 8
2010 5
2011 4
2012 5
2013 2
2014 5
2015 6
2016 2
2017 7
2018 8
2019 3
2020 6
2021 3
2022 17
2023 30
2024 15
2025 5
2026 3
Total 206
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Koji Tamura 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 Koji Tamura sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 100 bars. Horizontal axis: publications, 47–56 to 1,028+. Vertical axis: number of scientists, 0 to 980. Most scientists, 980, have 127–136 publications. The last bar groups every scientist with 1,028 publications or more. The highlighted bar, 127–136 publications, is where this scientist sits. 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 scientist 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientist 1,028+ publications: 100 scientists
47–56 publications 1,028+

This scientist: 136 publications — 20th percentile

20% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Biology and Biochemistry scientists by publication count, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
Publications Scientists This scientist
47–56 8
57–66 35
67–76 106
77–86 231
87–96 413
97–106 546
107–116 704
117–126 848
127–136 980 136
137–146 942
147–156 969
157–166 949
167–176 951
177–186 915
187–196 787
197–206 840
207–216 733
217–226 708
227–236 651
237–246 605
247–256 510
257–266 524
267–276 434
277–286 417
287–296 350
297–306 363
307–316 315
317–326 296
327–336 261
337–346 240
347–356 219
357–366 196
367–376 154
377–386 161
387–396 155
397–406 145
407–416 124
417–426 112
427–436 132
437–446 116
447–456 99
457–466 81
467–476 91
477–486 80
487–496 80
497–506 59
507–516 36
517–526 46
527–536 54
537–546 44
547–556 43
557–566 43
567–576 42
577–586 25
587–596 34
597–606 23
607–616 33
617–626 31
627–636 27
637–646 25
647–656 28
657–666 34
667–676 18
677–686 16
687–696 10
697–706 12
707–716 21
717–726 12
727–736 12
737–746 10
747–756 7
757–766 13
767–776 15
777–786 13
787–796 9
797–806 9
807–816 7
817–826 4
827–836 9
837–846 7
847–856 3
857–866 5
867–876 5
877–886 11
887–896 3
897–906 4
907–916 7
917–926 5
927–936 6
937–946 6
947–956 3
957–966 7
967–976 2
977–986 2
987–996 1
997–1,006 5
1,007–1,016 2
1,017–1,026 2
1,027 1
1,028+ 100
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Koji Tamura 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 Koji Tamura sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 65 bars. Horizontal axis: D-Index, 40–41 to 167+. Vertical axis: number of scientists, 0 to 1,253. Most scientists, 1,253, have 58–59 D-Index. The last bar groups every scientist with 167 D-Index or more. The highlighted bar, 48–49 D-Index, is where this scientist sits. 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
40–41 D-Index 167+

This scientist: 48 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Biology and Biochemistry scientists by D-index, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
D-Index Scientists This scientist
40–41 80
42–43 183
44–45 316
46–47 504
48–49 718 48
50–51 899
52–53 1,025
54–55 1,149
56–57 1,235
58–59 1,253
60–61 1,162
62–63 1,130
64–65 1,031
66–67 897
68–69 814
70–71 714
72–73 709
74–75 596
76–77 512
78–79 473
80–81 412
82–83 373
84–85 358
86–87 285
88–89 273
90–91 227
92–93 208
94–95 193
96–97 153
98–99 157
100–101 148
102–103 120
104–105 113
106–107 100
108–109 86
110–111 67
112–113 71
114–115 73
116–117 64
118–119 53
120–121 60
122–123 54
124–125 43
126–127 38
128–129 49
130–131 26
132–133 18
134–135 23
136–137 32
138–139 32
140–141 27
142–143 19
144–145 22
146–147 12
148–149 16
150–151 14
152–153 10
154–155 13
156–157 10
158–159 7
160–161 9
162–163 13
164–165 4
166 4
167+ 98
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Overview

Koji Tamura is affiliated with Tohoku University in Japan and has a substantial body of research focusing on biochemistry, genetics, and molecular biology. Their work spans multiple subfields including molecular biology, genetics, oncology, epidemiology, and nature and landscape conservation.

Their primary research topics include:

  • RNA and protein synthesis mechanisms
  • Developmental biology and gene regulation
  • RNA modifications and cancer
  • Animal genetics and reproduction
  • Zebrafish biomedical research applications
  • Bacterial genetics and biotechnology
  • Pluripotent stem cells research

Koji Tamura has published extensively in several scientific venues, with frequent contributions to these journals and platforms:

  • Developmental Dynamics
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Life
  • Journal of Molecular Evolution
  • Plant Biotechnology

Some notable recent papers include:

  • "Thalidomide and its metabolite 5-hydroxythalidomide induce teratogenicity via the cereblon neosubstrate PLZF" (2021) published in The EMBO Journal
  • "Regrowth of zebrafish caudal fin regeneration is determined by the amputated length" (2020) published in Scientific Reports
  • "Creation of a potato mutant lacking the starch branching enzyme gene StSBE3 that was generated by genome editing using the CRISPR/dMac3-Cas9 system" (2021) published in Plant Biotechnology
  • "Amino acid activation analysis of primitive aminoacyl-tRNA synthetases encoded by both strands of a single gene using the malachite green assay" (2021) published in Biosystems
  • "Stiffness of primordial germ cells is required for their extravasation in avian embryos" (2022) published in iScience

Collaborations have been a significant part of their research output, with frequent coauthors including:

  • Gembu Abe
  • Hiromi Mutsuro-Aoki
  • Tadashi Ando
  • Takuya Umehara
  • Daisuke Saito

Koji Tamura's publication record reflects a focus on understanding fundamental processes related to RNA and protein synthesis, gene regulation, and cellular mechanisms across different biological contexts.

Best Publications

  • Pitx2 determines left-right asymmetry of internal organs in vertebrates

    Aimee K. Ryan;Bruce Blumberg;Concepción Rodriguez-Esteban;Sayuri Yonei-Tamura

  • The T-box genes Tbx4 and Tbx5 regulate limb outgrowth and identity.

    Concepción Rodriguez-Esteban;Tohru Tsukui;Sayuri Yonei;Jorge Magallon

  • Retinoic acid induces polarizing activity but is unlikely to be a morphogen in the chick limb bud

    Sumihare Noji;Tsutomu Nohno;Eiki Koyama;Kohki Muto

  • Multiple left-right asymmetry defects in Shh(-/-) mutant mice unveil a convergence of the shh and retinoic acid pathways in the control of Lefty-1.

    Tohru Tsukui;Javier Capdevila;Koji Tamura;Pilar Ruiz-Lozano

  • FGF-10 stimulates limb regeneration ability in Xenopus laevis

    Hitoshi Yokoyama;Hiroyuki Ide;Koji Tamura

  • Analysis of Gene Expressions during Xenopus Forelimb Regeneration

    Tetsuya Endo;Koji Tamura;Hiroyuki Ide

  • Correlation between Shh expression and DNA methylation status of the limb-specific Shh enhancer region during limb regeneration in amphibians

    Nayuta Yakushiji;Makoto Suzuki;Akira Satoh;Tomoko Sagai

  • Expression of Msx genes in regenerating and developing limbs of axolotl

    Kazuko Koshiba;Atsushi Kuroiwa;Hiroaki Yamamoto;Koji Tamura

  • Mesenchyme with fgf-10 expression is responsible for regenerative capacity in Xenopus limb buds.

    Hitoshi Yokoyama;Sayuri Yonei-Tamura;Tetsuya Endo;Juan Carlos Izpisúa Belmonte

  • Nerve-dependent and -independent events in blastema formation during Xenopus froglet limb regeneration.

    Makoto Suzuki;Akira Satoh;Hiroyuki Ide;Koji Tamura

  • Limb regeneration in Xenopus laevis froglet.

    Makoto Suzuki;Nayuta Yakushiji;Yasuaki Nakada;Akira Satoh

  • Shh expression in developing and regenerating limb buds of Xenopus laevis

    Tetsuya Endo;Hitoshi Yokoyama;Koji Tamura;Hiroyuki Ide

  • The role of Alx-4 in the establishment of anteroposterior polarity during vertebrate limb development

    Motohisa Takahashi;Koji Tamura;Dirk Büscher;Hiroshi Masuya

  • Trunk exoskeleton in teleosts is mesodermal in origin.

    Atsuko Shimada;Toru Kawanishi;Takuya Kaneko;Hiroki Yoshihara

  • Normal developmental stages of the Madagascar ground gecko Paroedura pictus with special reference to limb morphogenesis.

    Miyuki Noro;Asaka Uejima;Gembu Abe;Makoto Manabe

  • FGF7 and FGF10 directly induce the apical ectodermal ridge in chick embryos.

    Sayuri Yonei-Tamura;Sayuri Yonei-Tamura;Tetsuya Endo;Hiroshi Yajima;Hideyo Ohuchi

  • Limb blastema cell: A stem cell for morphological regeneration

    Koji Tamura;Shiro Ohgo;Hitoshi Yokoyama

  • Embryological Evidence Identifies Wing Digits in Birds as Digits 1, 2, and 3

    Koji Tamura;Naoki Nomura;Ryohei Seki;Sayuri Yonei-Tamura

  • Differential expression of Tbx4 and Tbx5 in Zebrafish Fin buds

    Koji Tamura;Sayuri Yonei-Tamura;Juan Carlos Izpisúa Belmonte

  • The making of differences between fins and limbs.

    Tohru Yano;Koji Tamura

Frequent Co-Authors

Koichi Kawakami
Koichi Kawakami National Institute of Genetics
Toshihiko Shiroishi
Toshihiko Shiroishi National Institute of Genetics
Ronald M. Evans
Ronald M. Evans Salk Institute for Biological Studies
Yukio Saijoh
Yukio Saijoh University of Utah
Tsutomu Nohno
Tsutomu Nohno Kawasaki Medical School
Gary C. Schoenwolf
Gary C. Schoenwolf University of Utah
Sumihare Noji
Sumihare Noji University of Tokushima
Bruce Blumberg
Bruce Blumberg University of California, Irvine

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