World's Best Scientists 2026 revealed!
Tadashi Maruyama

Tadashi Maruyama

D-Index & Metrics

Biology and Biochemistry

D-Index
60
Citations
10148
World Ranking
12179
National Ranking
836

Tadashi Maruyama 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 Tadashi Maruyama 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: 283 publications — 75th percentile

75% of scientists in this discipline score the same or lower.

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

Tadashi Maruyama 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 Tadashi Maruyama 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: 60 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Overview

Tadashi Maruyama is affiliated with Kitasato University in Japan. The research conducted contributes notably to the fields of Environmental Science and Earth and Planetary Sciences, encompassing 19 and 16 publications respectively.

The scientist's work extends into several subfields including:

  • Oceanography
  • Ecology
  • Global and Planetary Change
  • Epidemiology
  • Small Animals

Maruyama's main topics of research encompass marine and ecological studies, with a concentration on:

  • Marine Biology and Ecology Research
  • Marine Bivalve and Aquaculture Studies
  • Brucella: diagnosis, epidemiology, treatment
  • Virology and Viral Diseases
  • Salmonella and Campylobacter epidemiology
  • Marine and coastal ecosystems
  • Ocean Acidification Effects and Responses

Several frequent publication venues have showcased the scientist's research, including:

  • Journal of Veterinary Medical Science (3 publications)
  • CYTOLOGIA (2 publications)
  • bioRxiv (Cold Spring Harbor Laboratory) (2 publications)
  • Japanese Journal of Zoo and Wildlife Medicine (2 publications)
  • eLife (1 publication)

Recent research papers feature varied scientific topics and include:

  • Chloroplast acquisition without the gene transfer in kleptoplastic sea slugs, Plakobranchus ocellatus, 2021, eLife
  • Mass spectrometry imaging reveals differential localization of natural sunscreens in the mantle of the giant clam Tridacna crocea, 2020, Scientific Reports
  • Identification of correlated inter-residue interactions in protein complex based on the fragment molecular orbital method, 2020, Journal of Molecular Graphics and Modelling
  • Phagocytosis of exogenous bacteria by gill epithelial cells in the deep-sea symbiotic mussel Bathymodiolus japonicus, 2022, Royal Society Open Science
  • mTORC1 regulates phagosome digestion of symbiotic bacteria for intracellular nutritional symbiosis in a deep-sea mussel, 2023, Science Advances

The scientist regularly collaborates with coauthors including:

  • Kazue Ohishi (10 joint publications)
  • Takao Yoshida (6 joint publications)
  • Akihiro Tame (5 joint publications)
  • Yoshihiro Takaki (4 joint publications)
  • Shuji Shigenobu (3 joint publications)

Best Publications

  • Aeropyrum pernix gen. nov., sp. nov., a Novel Aerobic Hyperthermophilic Archaeon Growing at Temperatures up to 100°C

    Yoshihiko Sako;Norimichi Nomura;Aritsune Uchida;Yuzaburo Ishida

  • Barnacle cement proteins. Importance of disulfide bonds in their insolubility.

    Kei Kamino;Koji Inoue;Tadashi Maruyama;Nobuhiko Takamatsu

  • Reduced genome of the thioautotrophic intracellular symbiont in a deep-sea clam, Calyptogena okutanii.

    Hirokazu Kuwahara;Hirokazu Kuwahara;Takao Yoshida;Yoshihiro Takaki;Shigeru Shimamura

  • Diversity of microbial eukaryotes in sediment at a deep-sea methane cold seep: surveys of ribosomal DNA libraries from raw sediment samples and two enrichment cultures.

    Kiyotaka Takishita;Naoji Yubuki;Natsuki Kakizoe;Natsuki Kakizoe;Yuji Inagaki

  • Heat stress causes inhibition of the de novo synthesis of antenna proteins and photobleaching in cultured Symbiodinium

    Shunichi Takahashi;Spencer Whitney;Shigeru Itoh;Tadashi Maruyama

  • Three-year investigations into sperm whale-fall ecosystems in Japan

    Yoshihiro Fujiwara;Masaru Kawato;Tomoko Yamamoto;Toshiro Yamanaka

  • Thermotoga petrophila sp. nov. and Thermotoga naphthophila sp. nov., two hyperthermophilic bacteria from the Kubiki oil reservoir in Niigata, Japan.

    Yoh Takahata;Miyuki Nishijima;Toshihiro Hoaki;Tadashi Maruyama

  • Cement Proteins of the Acorn Barnacle, Megabalanus rosa

    K. Kamino;S. Odo;T. Maruyama

  • Genetic diversity of microbial eukaryotes in anoxic sediment around fumaroles on a submarine caldera floor based on the small-subunit rDNA phylogeny

    Kiyotaka Takishita;Hiroshi Miyake;Masaru Kawato;Tadashi Maruyama

  • Barnacle Cement Proteins

    Kei Kamino;Koji Inoue;Tadashi Maruyama;Nobuhiko Takamatsu

  • Crystal Structures of the Group II Chaperonin from Thermococcus strain KS-1: Steric Hindrance by the Substituted Amino Acid, and Inter-subunit Rearrangement between Two Crystal Forms.

    Yasuhito Shomura;Takao Yoshida;Ryo Iizuka;Tadashi Maruyama

  • Genetic Diversity of Microbial Eukaryotes in Anoxic Sediment of the Saline Meromictic Lake Namako-ike (Japan): On the Detection of Anaerobic or Anoxic-tolerant Lineages of Eukaryotes.

    Kiyotaka Takishita;Masashi Tsuchiya;Masaru Kawato;Kazumasa Oguri

  • Microbial degradation of resins fractionated from Arabian light crude oil

    Kasthuri Venkateswaran;Toshihiro Hoaki;Misako Kato;Tadashi Maruyama

  • Effects and virulences of recombinant vaccinia viruses derived from attenuated strains that express the human T-cell leukemia virus type I envelope gene.

    H Shida;Y Hinuma;M Hatanaka;M Morita

  • Octocoral Chemical Signaling Selects and Controls Dinoflagellate Symbionts

    Kazuhiko Koike;Mitsuru Jimbo;Ryuichi Sakai;Masami Kaeriyama

  • Morphological and Functional Characterization of Hemocytes in the Giant ClamTridacna crocea

    Koji Nakayama;Ann M. Nomoto;Miyuki Nishijima;Tadashi Maruyama

  • Morphological and molecular characterisation of Abyssoanthus nankaiensis,, a new family, new genus and new species of deep-sea zoanthid (Anthozoa : Hexacorallia : Zoantharia) from a north-west Pacific methane cold seep

    James D. Reimer;James D. Reimer;Frederic Sinniger;Frederic Sinniger;Yoshihiro Fujiwara;Satoshi Hirano

  • Molecular evidence demonstrating the basidiomycetous fungus Cryptococcus curvatus is the dominant microbial eukaryote in sediment at the Kuroshima Knoll methane seep.

    Kiyotaka Takishita;Masashi Tsuchiya;James D. Reimer;Tadashi Maruyama

  • Morphological and Molecular Revision of Zoanthus (Anthozoa: Hexacorallia) from Southwestern Japan, with Descriptions of Two New Species

    James Davis Reimer;Shusuke Ono;Atsushi Iwama;Kiyotaka Takishita

  • Three-dimensional Solution Structure of an Archaeal FKBP with a Dual Function of Peptidyl Prolyl cis–trans Isomerase and Chaperone-like Activities

    Rintaro Suzuki;Koji Nagata;Fumiaki Yumoto;Masaru Kawakami

Frequent Co-Authors

James Davis Reimer
James Davis Reimer University of the Ryukyus
Masafumi Yohda
Masafumi Yohda Tokyo University of Agriculture and Technology
Chiaki Kato
Chiaki Kato Japan Agency for Marine-Earth Science and Technology
Nobuyuki Miyazaki
Nobuyuki Miyazaki University of Tokyo
Kunio Miki
Kunio Miki Kyoto University
Hiroshi Kida
Hiroshi Kida Hokkaido University
Atsushi Suzuki
Atsushi Suzuki National Institute of Advanced Industrial Science and Technology
Yasuo Kagawa
Yasuo Kagawa Kagawa Nutrition University
Shigetoh Miyachi
Shigetoh Miyachi University of Tokyo
Yoichi Kamagata
Yoichi Kamagata National Institute of Advanced Industrial Science and Technology

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