World's Best Scientists 2026 revealed!
Hajime Tsujimoto

Hajime Tsujimoto

D-Index & Metrics

Microbiology

D-Index
55
Citations
10522
World Ranking
3829
National Ranking
155

Hajime Tsujimoto 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 Hajime Tsujimoto 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: 403 publications — 90th percentile

90% of scientists in this discipline score the same or lower.

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

Hajime Tsujimoto 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 Hajime Tsujimoto 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: 55 D-Index — 32nd percentile

32% of scientists in this discipline score the same or lower.

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

Overview

Hajime Tsujimoto is affiliated with the University of Tokyo in Japan and has contributed extensively to the fields of medicine and biochemistry, genetics, and molecular biology. Their research portfolio includes a significant focus on veterinary oncology, infectious diseases, and gene therapy, with an emphasis on molecular mechanisms and clinical applications related to small animals.

The main fields of study in which Tsujimoto is active include:

  • Medicine
  • Biochemistry, Genetics and Molecular Biology

Within these broad areas, their subfields of specialization encompass:

  • Pulmonary and Respiratory Medicine
  • Molecular Biology
  • Small Animals
  • Surgery
  • Genetics

Thematically, the scientist's work covers a range of topics, primarily in veterinary science and oncology:

  • Veterinary Oncology Research
  • Infectious Diseases and Mycology
  • Virus-based gene therapy research
  • Gastrointestinal Tumor Research and Treatment
  • Hedgehog Signaling Pathway Studies
  • Salivary Gland Tumors Diagnosis and Treatment
  • Drug Transport and Resistance Mechanisms

Tsujimoto's publication record reflects their research interests through multiple recent papers, including:

  • Transmission of Helicobacter pylori between a human and two dogs: A case report (2021) published in Helicobacter
  • A histopathological study on spontaneous gastrointestinal epithelial tumors in dogs (2020) published in the Journal of Toxicologic Pathology
  • Outcomes and prognostic factors in canine epitheliotropic and nonepitheliotropic cutaneous T-cell lymphomas (2021) published in Veterinary and Comparative Oncology
  • Immunohistochemical analysis of beta-catenin, E-cadherin and p53 in canine gastrointestinal epithelial tumors (2020) published in the Journal of Veterinary Medical Science
  • Dog leukocyte antigen (DLA) class II genotypes associated with chronic enteropathy in French bulldogs and miniature dachshunds (2021) published in Veterinary Immunology and Immunopathology

The scientist has published primarily in the following venues:

  • Journal of Veterinary Medical Science
  • Veterinary and Comparative Oncology
  • Annals of the Rheumatic Diseases
  • Veterinary Immunology and Immunopathology
  • Scientific Reports

Frequent collaborators include:

  • Hirotaka Tomiyasu
  • Koichi Ohno
  • Yuko Goto-Koshino
  • James Chambers
  • Aki OHMI

Best Publications

  • Sequence of simian immunodeficiency virus from African green monkey, a new member of the HIV/SIV group.

    Masashi Fukasawa;Tomoyuki Miura;Akira Hasegawa;Shigeru Morikawa

  • Isolation of simian immunodeficiency virus from african green monkeys and seroepidemiologic survey of the virus in various non‐human primates

    Yoshihiro Ohta;Takao Masuda;Hajime Tsujimoto;Koh-Ichi Ishikawa

  • C-Reactive Protein Concentration in Dogs with Various Diseases

    Masaaki Nakamura;Masashi Takahashi;Koichi Ohno;Akiko Koshino

  • Sequence homology of the simian retrovirus genome with human T-cell leukemia virus type I.

    Toshiki Watanabe;Motoharu Seiki;H. Tsujimoto;I. Miyoshi

  • Isolation and characterization of simian immunodeficiency virus from mandrills in Africa and its relationship to other human and simian immunodeficiency viruses.

    H Tsujimoto;R W Cooper;T Kodama;M Fukasawa

  • Sequence of a novel simian immunodeficiency virus from a wild-caught African mandrill

    Hajime Tsujimoto;Akira Hasegawa;Noboru Maki;Masashi Fukasawa

  • Effect of oral administration of metronidazole or prednisolone on fecal microbiota in dogs.

    Hirotaka Igarashi;Shingo Maeda;Koichi Ohno;Ayako Horigome

  • Establishment and Characterization of a New Canine B-Cell Leukemia Cell Line

    Munekazu Nakaichi;Yasuho Taura;Masashi Kanki;Koichi Mamba

  • Protection of cynomolgus monkeys against infection by human T-cell leukemia virus type-I by immunization with viral env gene products produced in Escherichia coli

    Hideo Nakamura;Masanori Hayami;Yoshihiro Ohta;Koh-Ichi Ishikawa

  • Heterogeneity of antigen molecules recognized by anti-tax1 monoclonal antibody Lt-4 in cell lines bearing human T cell leukemia virus type I and related retroviruses

    Yuetsu Tanaka;Atsushi Yoshida;Yoshinaga Takayama;Hajime Tsujimoto;Hajime Tsujimoto

  • Apoptosis induced by tumor necrosis factor in cells chronically infected with feline immunodeficiency virus

    K Ohno;T Nakano;Y Matsumoto;T Watari

  • Aberrations of the p53 tumor suppressor gene in various tumors in dogs.

    Asuka Setoguchi;Tadashi Sakai;Masaru Okuda;Kenichi Minehata

  • Establishment and characterization of a canine T-lymphoblastoid cell line derived from malignant lymphoma

    Yasuyuki Momoi;Yoshiko Okai;Toshihiro Watari;Ryo Goitsuka

  • Positive reactions to common allergens in 42 atopic dogs in Japan.

    Kenichi Masuda;Masahiro Sakaguchi;Shunsuke Fujiwara;Keigo Kurata

  • The association between gall bladder mucoceles and hyperlipidaemia in dogs: A retrospective case control study

    M. Kutsunai;Hideyuki Kanemoto;Kenjiro Fukushima;Yozo Fujino

  • Genetic determinants of feline leukemia virus-induced lymphoid tumors: patterns of proviral insertion and gene rearrangement.

    C. Tsatsanis;R. Fulton;K. Nishigaki;H. Tsujimoto

  • Interspecies transmission of feline immunodeficiency virus from the domestic cat to the Tsushima cat (Felis bengalensis euptilura) in the wild

    Yoshiaki Nishimura;Yuko Goto;Kumiko Yoneda;Yasuyuki Endo

  • Transcriptional Control of BubR1 by p53 and Suppression of Centrosome Amplification by BubR1

    Tatsuo Oikawa;Masaru Okuda;Zhiyong Ma;Rakesh Goorha

  • Validation of the prognostic value of histopathological grading or c-kit mutation in canine cutaneous mast cell tumours: a retrospective cohort study.

    Yoshinori Takeuchi;Yasuhito Fujino;Manabu Watanabe;Masashi Takahashi

  • Evolutionary origin of human and simian immunodeficiency viruses

    Takashi Gojobori;Etsuko N. Moriyama;Yasuo Ina;Kazuho Ikeo

  • Lesional expression of thymus and activation-regulated chemokine in canine atopic dermatitis.

    Sadatoshi Maeda;Shunsuke Fujiwara;Keitaro Omori;Koji Kawano

  • Prognostic factors in dogs with protein-losing enteropathy.

    K. Nakashima;S. Hiyoshi;K. Ohno;K. Uchida

Frequent Co-Authors

Koichi Ohno
Koichi Ohno University of Tokyo
Masanori Hayami
Masanori Hayami Kyoto University
Yozo Fujino
Yozo Fujino Yokohama National University
Sumio Sugano
Sumio Sugano University of Tokyo
Stephen J. O'Brien
Stephen J. O'Brien Nova Southeastern University
Mitsuaki Yoshida
Mitsuaki Yoshida University of Tokyo
Toshiki Watanabe
Toshiki Watanabe University of Tokyo
James C. Neil
James C. Neil University of Glasgow
Takashi Gojobori
Takashi Gojobori King Abdullah University of Science and Technology
Hisashi Inokuma
Hisashi Inokuma University of Tokyo

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