World's Best Scientists 2026 revealed!
Seiji Kojima

Seiji Kojima

D-Index & Metrics

Microbiology

D-Index
90
Citations
25943
World Ranking
698
National Ranking
21

Medicine

D-Index
94
Citations
29494
World Ranking
10557
National Ranking
296

Seiji Kojima publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Seiji Kojima sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 748 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Seiji Kojima D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Seiji Kojima sits on this spectrum.

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 90 D-Index — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Overview

Seiji Kojima is affiliated with Nagoya University in Japan and conducts research primarily in the field of Biochemistry, Genetics and Molecular Biology. Their work focuses extensively on Molecular Biology, Genetics, and additionally intersects with Condensed Matter Physics, Cellular and Molecular Neuroscience, and Endocrinology.

Their research contributions cover a variety of topics including:

  • Bacterial Genetics and Biotechnology
  • Micro and Nano Robotics
  • Lipid Membrane Structure and Behavior
  • Protist diversity and phylogeny
  • Photoreceptor and optogenetics research
  • Vibrio bacteria research studies
  • Bacteriophages and microbial interactions

Kojima has frequently published in several scientific journals and platforms. The most frequent publication venues include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Genes to Cells
  • Journal of Bacteriology
  • Frontiers in Microbiology
  • The Journal of Biochemistry

Some of Kojima's recent papers illustrate their diverse research focus:

  • Tree of motility - A proposed history of motility systems in the tree of life, 2020, Genes to Cells
  • Two Aldehyde Clearance Systems Are Essential to Prevent Lethal Formaldehyde Accumulation in Mice and Humans, 2020, Molecular Cell
  • Digenic mutations in ALDH2 and ADH5 impair formaldehyde clearance and cause a multisystem disorder, AMeD syndrome, 2020, Science Advances
  • The flagellar motor of Vibrio alginolyticus undergoes major structural remodeling during rotational switching, 2020, eLife
  • Analysis of disease model iPSCs derived from patients with a novel Fanconi anemia-like IBMFS ADH5/ALDH2 deficiency, 2021, Blood

Seiji Kojima has collaborated with various researchers, showing significant co-authorship with:

  • Michio Homma (46 co-publications)
  • Tatsuro Nishikino (21 co-publications)
  • Hiroyuki Terashima (14 co-publications)
  • Norihiro Takekawa (10 co-publications)
  • Katsumi Imada (8 co-publications)

Best Publications

  • Quantitative Analysis of Epstein-Barr Virus Load by Using a Real-Time PCR Assay

    Hiroshi Kimura;Makoto Morita;Yumi Yabuta;Kiyotaka Kuzushima

  • EBV-associated T/NK–cell lymphoproliferative diseases in nonimmunocompromised hosts: prospective analysis of 108 cases

    Hiroshi Kimura;Yoshinori Ito;Shinji Kawabe;Kensei Gotoh

  • The landscape of somatic mutations in Down syndrome-related myeloid disorders

    Kenichi Yoshida;Tsutomu Toki;Yusuke Okuno;Rika Kanezaki

  • Flagellar motility in bacteria structure and function of flagellar motor.

    Hiroyuki Terashima;Seiji Kojima;Michio Homma

  • The mutational spectrum of PTPN11 in juvenile myelomonocytic leukemia and Noonan syndrome/myeloproliferative disease

    Christian P. Kratz;Charlotte M. Niemeyer;Robert P. Castleberry;Mualla Cetin

  • Immunosuppressive therapy using antithymocyte globulin, cyclosporine, and danazol with or without human granulocyte colony-stimulating factor in children with acquired aplastic anemia

    Seiji Kojima;Shigeyoshi Hibi;Yoshiyuki Kosaka;Masuji Yamamoto

  • Somatic SETBP1 mutations in myeloid malignancies

    Hideki Makishima;Kenichi Yoshida;Nhu Nguyen;Bartlomiej Przychodzen

  • Conformational change in the stator of the bacterial flagellar motor.

    Seiji Kojima;David F. Blair

  • The bacterial flagellar motor: structure and function of a complex molecular machine.

    Seiji Kojima;David F Blair

  • Mutations of E3 Ubiquitin Ligase Cbl Family Members Constitute a Novel Common Pathogenic Lesion in Myeloid Malignancies

    Hideki Makishima;Heather Cazzolli;Hadrian Szpurka;Andrew Dunbar

  • Exome sequencing identifies secondary mutations of SETBP1 and JAK3 in juvenile myelomonocytic leukemia

    Hirotoshi Sakaguchi;Yusuke Okuno;Hideki Muramatsu;Kenichi Yoshida

  • Human herpesvirus-6 infection in bone marrow transplantation

    Tetsushi Yoshikawa;Sadao Suga;Yoshizo Asano;Toshihiko Nakashima

  • ACTN1 Mutations Cause Congenital Macrothrombocytopenia

    Shinji Kunishima;Yusuke Okuno;Yusuke Okuno;Kenichi Yoshida;Yuichi Shiraishi

  • Myelodysplastic syndrome and acute myelogenous leukemia as a late clonal complication in children with acquired aplastic anemia.

    Akira Ohara;Seiji Kojima;Nobuyuki Hamajima;Masahiro Tsuchida

  • Defective Epstein-Barr virus in chronic active infection and haematological malignancy.

    Yusuke Okuno;Takayuki Murata;Yoshitaka Sato;Hideki Muramatsu

  • Risk factors for evolution of acquired aplastic anemia into myelodysplastic syndrome and acute myeloid leukemia after immunosuppressive therapy in children

    Seiji Kojima;Akira Ohara;Masahiro Tsuchida;Toru Kudoh

  • Frequent mutations in the GATA-1 gene in the transient myeloproliferative disorder of Down syndrome.

    Gang Xu;Masumi Nagano;Rika Kanezaki;Tsutomu Toki

  • Outcome of 154 patients with severe aplastic anemia who received transplants from unrelated donors: the Japan Marrow Donor Program.

    Seiji Kojima;Takaharu Matsuyama;Shunichi Kato;Hisato Kigasawa

  • Solubilization and purification of the MotA/MotB complex of Escherichia coli.

    Seiji Kojima;David F. Blair

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

    Seiji Kojima;Katsumi Imada;Mayuko Sakuma;Yuki Sudo

  • Human Herpesvirus 6 Viremia in Bone Marrow Transplant Recipients: Clinical Features and Risk Factors

    Tetsushi Yoshikawa;Yoshizo Asano;Masaru Ihira;Kyoko Suzuki

  • Prognostic value of internal tandem duplication of the FLT3 gene in childhood acute myelogenous leukemia

    Masaru Kondo;Keizo Horibe;Yoshiyuki Takahashi;Kimikazu Matsumoto

Frequent Co-Authors

Michio Homma
Michio Homma Nagoya University
Seishi Ogawa
Seishi Ogawa Kyoto University
Satoru Miyano
Satoru Miyano Tokyo Medical and Dental University
Etsuro Ito
Etsuro Ito Hirosaki University
Yuichi Shiraishi
Yuichi Shiraishi University of Tokyo
kenichi yoshida
kenichi yoshida Kyoto University
Shouichi Ohga
Shouichi Ohga Kyushu University
Toshio Fukuda
Toshio Fukuda Nagoya University
Tatsutoshi Nakahata
Tatsutoshi Nakahata Kyoto University
Hirokazu Kanegane
Hirokazu Kanegane Tokyo Medical and Dental University

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Related Online Degrees & Career Pathways

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To build these skills, students can explore accredited programs such as the cahiim accredited health information management programs online, which provide flexible learning opportunities critical for balancing studies with other commitments.

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