World's Best Scientists 2026 revealed!
Keiichi Namba

Keiichi Namba

D-Index & Metrics

Biology and Biochemistry

D-Index
79
Citations
19732
World Ranking
4377
National Ranking
285

Keiichi Namba 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 Keiichi Namba 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: 637 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

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

Keiichi Namba 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 Keiichi Namba 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: 79 D-Index — 79th percentile

79% of scientists in this discipline score the same or lower.

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

Overview

Keiichi Namba is a researcher affiliated with Osaka University in Japan, focusing on the field of Biochemistry, Genetics, and Molecular Biology. Their scholarly output comprises 156 publications primarily dedicated to Molecular Biology, Genetics, Ecology, Structural Biology, and Cell Biology. Their research topics reflect a specialized interest in bacterial genetics and biotechnology, microbial interactions, and advanced microscopy techniques.

They have contributed extensively to several research topics, including:

  • Bacterial Genetics and Biotechnology
  • Bacteriophages and microbial interactions
  • Advanced Electron Microscopy Techniques and Applications
  • Photosynthetic Processes and Mechanisms
  • Microtubule and mitosis dynamics
  • ATP Synthase and ATPases Research
  • Lipid Membrane Structure and Behavior

The researcher's work is frequently published in venues such as bioRxiv (Cold Spring Harbor Laboratory), EMPIAR dataset, Communications Biology, Nature Communications, and Biomolecules.

Frequent collaborators include:

  • Fumiaki Makino
  • Takayuki Kato
  • Tomoko Miyata
  • Tohru Minamino
  • Junso Fujita

Some of their recent papers include:

  • Cardiac muscle thin filament structures reveal calcium regulatory mechanism, 2020, Nature Communications
  • Structural and Functional Comparison of Salmonella Flagellar Filaments Composed of FljB and FliC, 2020, Biomolecules
  • Immunodominant proteins P1 and P40/P90 from human pathogen Mycoplasma pneumoniae, 2020, Nature Communications
  • Native flagellar MS ring is formed by 34 subunits with 23-fold and 11-fold subsymmetries, 2021, Nature Communications
  • Structure of the molecular bushing of the bacterial flagellar motor, 2021, Nature Communications

Keiichi Namba has also contributed to book publications, notably the title Bacterial and Archaeal Motility published by Springer Science+Business Media in 2023.

Best Publications

  • Complete atomic model of the bacterial flagellar filament by electron cryomicroscopy.

    Koji Yonekura;Saori Maki-Yonekura;Keiichi Namba

  • Structure of the bacterial flagellar protofilament and implications for a switch for supercoiling.

    Fadel A. Samatey;Katsumi Imada;Shigehiro Nagashima;Ferenc Vonderviszt

  • Visualization of protein-nucleic acid interactions in a virus. Refined structure of intact tobacco mosaic virus at 2.9 A resolution by X-ray fiber diffraction.

    Keiichi Namba;Rekha Pattanayek;Gerald Stubbs

  • Structure of Tobacco Mosaic Virus at 3.6 Å Resolution: Implications for Assembly

    Keiichi Namba;Gerald Stubbs

  • Direct visualization of secondary structures of F-actin by electron cryomicroscopy

    Takashi Fujii;Atsuko H. Iwane;Toshio Yanagida;Keiichi Namba

  • Distinct roles of the FliI ATPase and proton motive force in bacterial flagellar protein export

    Tohru Minamino;Keiichi Namba

  • Morphological pathway of flagellar assembly in Salmonella typhimurium.

    Tomoko Kubori;Nobuo Shimamoto;Shigeru Yamaguchi;Keiichi Namba

  • Structure of the core and central channel of bacterial flagella

    Keiichi Namba;Ichiro Yamashita;Ferenc Vonderviszt

  • The bacterial flagellar cap as the rotary promoter of flagellin self-assembly

    Koji Yonekura;Saori Maki;David Gene Morgan;David J. DeRosier

  • Molecular motors of the bacterial flagella.

    Tohru Minamino;Katsumi Imada;Keiichi Namba

  • Bacterial Nanomachines: The Flagellum and Type III Injectisome

    Marc Erhardt;Keiichi Namba;Kelly T. Hughes

  • Structure of the bacterial flagellar hook and implication for the molecular universal joint mechanism

    Fadel A. Samatey;Hideyuki Matsunami;Katsumi Imada;Shigehiro Nagashima

  • Molecular architecture of bacterial flagellum

    Keiichi Namba;Ferenc Vonderviszt

  • Roles of partly unfolded conformations in macromolecular self-assembly.

    Keiichi Namba

  • Mechanisms of type III protein export for bacterial flagellar assembly

    Tohru Minamino;Katsumi Imada;Keiichi Namba

  • Stator assembly and activation mechanism of the flagellar motor by the periplasmic region of MotB

    Seiji Kojima;Katsumi Imada;Mayuko Sakuma;Yuki Sudo

  • Self-assembly and type III protein export of the bacterial flagellum.

    Tohru Minamino;Keiichi Namba

  • Common architecture of the flagellar type III protein export apparatus and F- and V-type ATPases.

    Tatsuya Ibuki;Katsumi Imada;Tohru Minamino;Tohru Minamino;Takayuki Kato

  • Structure and switching of bacterial flagellar filaments studied by X-ray fiber diffraction

    llchiro Yamashita;Kazuya Hasegawa;Kazuya Hasegawa;Hirofumi Suzuki;Ferenc Vonderviszt

  • Cardiac muscle thin filament structures reveal calcium regulatory mechanism.

    Yurika Yamada;Keiichi Namba;Takashi Fujii

Frequent Co-Authors

Katsumi Imada
Katsumi Imada Osaka University
Tohru Minamino
Tohru Minamino Osaka University
Seiji Kojima
Seiji Kojima Nagoya University
Michio Homma
Michio Homma Nagoya University
Ichiro Yamashita
Ichiro Yamashita Osaka University
Robert M. Macnab
Robert M. Macnab Yale University
Kelly T. Hughes
Kelly T. Hughes University of Utah
Long-Fei Wu
Long-Fei Wu Centre national de la recherche scientifique, CNRS
David J. DeRosier
David J. DeRosier Brandeis University
Yoshinori Fujiyoshi
Yoshinori Fujiyoshi Nagoya University

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