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Toshiaki Kudo

Toshiaki Kudo

Nagasaki University
Japan

D-Index & Metrics

Biology and Biochemistry

D-Index
81
Citations
19034
World Ranking
3956
National Ranking
258

Toshiaki Kudo 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 Toshiaki Kudo 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: 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 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: 306 publications — 79th percentile

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

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

Toshiaki Kudo 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 Toshiaki Kudo sits on this spectrum.

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 D-Index 167+

This scientist: 81 D-Index — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Overview

Toshiaki Kudo is affiliated with Nagasaki University in Japan and conducts research primarily in the field of Environmental Science. Their work encompasses several interconnected subfields, including Ecology, Environmental Chemistry, Pollution, and Molecular Biology.

The main topics addressed in their research include:

  • Microbial Community Ecology and Physiology
  • Methane Hydrates and Related Phenomena
  • Wastewater Treatment and Nitrogen Removal
  • Genomics and Phylogenetic Studies

Kudo's recent scientific contributions include papers published in notable venues such as Fisheries Science and Scientific Reports. Key recent publications are:

  • Diversity and functions of bacterial communities in water and sediment from the watershed of the Tama River flowing a highly urbanized area, 2021, Fisheries Science
  • Seasonal and annual changes in the microbial communities of Ofunato Bay, Japan, based on metagenomics, 2021, Scientific Reports

Their frequent coauthors reflect a collaborative research environment. These coauthors include:

  • Nanami Mizusawa
  • Md. Shaheed Reza
  • Atsushi Kobiyama
  • Yuichiro Yamada
  • Yuri Ikeda

Toshiaki Kudo's research outputs demonstrate a focus on microbial ecology and environmental processes, with work spanning molecular and ecological approaches to understanding aquatic microbial communities and related environmental phenomena. Their collaborations and publications highlight engagement with comprehensive studies of microbial communities, especially in urban and marine environments.

Best Publications

  • Genome Sequence of the Pea Aphid Acyrthosiphon pisum

    Stephen Richards;Richard A. Gibbs;Nicole M. Gerardo;Nancy Moran

  • Antagonistic Interaction between Systemic Acquired Resistance and the Abscisic Acid–Mediated Abiotic Stress Response in Arabidopsis

    Michiko Yasuda;Atsushi Ishikawa;Yusuke Jikumaru;Motoaki Seki

  • Intra- and Interspecific Comparisons of Bacterial Diversity and Community Structure Support Coevolution of Gut Microbiota and Termite Host

    Yuichi Hongoh;Pinsurang Deevong;Tetsushi Inoue;Shigeharu Moriya

  • Molecular analysis of bacterial microbiota in the gut of the termite Reticulitermes speratus (Isoptera; Rhinotermitidae)

    Yuichi Hongoh;Moriya Ohkuma;Toshiaki Kudo

  • Phylogenetic diversity of the intestinal bacterial community in the termite Reticulitermes speratus

    M Ohkuma;T Kudo

  • Evaluation of primers and PCR conditions for the analysis of 16S rRNA genes from a natural environment

    Yuichi Hongoh;Hiroe Yuzawa;Moriya Ohkuma;Toshiaki Kudo;Toshiaki Kudo

  • Complete genome of the uncultured Termite Group 1 bacteria in a single host protist cell

    Yuichi Hongoh;Vineet K. Sharma;Tulika Prakash;Satoko Noda

  • Transcriptome analysis of the aphid bacteriocyte, the symbiotic host cell that harbors an endocellular mutualistic bacterium, Buchnera

    Atsushi Nakabachi;Shuji Shigenobu;Naoko Sakazume;Toshiyuki Shiraki

  • Genome of an Endosymbiont Coupling N2 Fixation to Cellulolysis Within Protist Cells in Termite Gut

    Yuichi Hongoh;Vineet K. Sharma;Tulika Prakash;Satoko Noda

  • Phylogenetic diversity of nitrogen fixation genes in the symbiotic microbial community in the gut of diverse termites.

    Moriya Ohkuma;Satoko Noda;Toshiaki Kudo

  • Bacterial genes in the aphid genome: absence of functional gene transfer from Buchnera to its host.

    Naruo Nikoh;John P. McCutcheon;Toshiaki Kudo;Shin Ya Miyagishima

  • Purification and Properties of Extracellular Amylase from the Hyperthermophilic Archaeon Thermococcus profundus DT5432.

    Young Chul Chung;T. Kobayashi;H. Kanai;T. Akiba

  • Characterization of a gene responsible for the Na+/H+ antiporter system of alkalophilic Bacillus species strain C‐125

    Tetsuo Hamamoto;Michizane Hashimoto;Motohiro Hino;Makio Kitada

  • Cospeciation in the triplex symbiosis of termite gut protists (Pseudotrichonympha spp.), their hosts, and their bacterial endosymbionts.

    S. Noda;O. Kitade;T. Inoue;M. Kawai

  • Steroid degradation in Comamonas testosteroni

    Masae Horinouchi;Toshiaki Hayashi;Toshiaki Kudo

  • Differential role of symbiotic fungi in lignin degradation and food provision for fungus-growing termites (Macrotermitinae: Isoptera)

    F. Hyodo;I. Tayasu;T. Inoue;J.‐I. Azuma

  • Diversity of Nitrogen Fixation Genes in the Symbiotic Intestinal Microflora of the Termite Reticulitermes speratus.

    Moriya Ohkuma;Satoko Noda;Ron Usami;Koki Horikoshi

  • A New Bacterial Steroid Degradation Gene Cluster in Comamonas testosteroni TA441 Which Consists of Aromatic-Compound Degradation Genes for Seco-Steroids and 3-Ketosteroid Dehydrogenase Genes

    Masae Horinouchi;Toshiaki Hayashi;Takako Yamamoto;Toshiaki Kudo

  • A two-component histidine kinase of the rice blast fungus is involved in osmotic stress response and fungicide action

    Takayuki Motoyama;Kaori Kadokura;Tomohiro Ohira;Akihiko Ichiishi

  • Intracolony variation of bacterial gut microbiota among castes and ages in the fungus‐growing termite Macrotermes gilvus

    Y. Hongoh;L. Ekpornprasit;T. Inoue;S. Moriya

Frequent Co-Authors

Moriya Ohkuma
Moriya Ohkuma National Presto Industries
Koki Horikoshi
Koki Horikoshi Japan Agency for Marine-Earth Science and Technology
Chiaki Kato
Chiaki Kato Japan Agency for Marine-Earth Science and Technology
Isamu Yamaguchi
Isamu Yamaguchi RIKEN
Hiroyuki Koshino
Hiroyuki Koshino Tokyo University of Agriculture
Hiroyuki Arai
Hiroyuki Arai University of Tokyo
Masahira Hattori
Masahira Hattori Waseda University
Shuji Shigenobu
Shuji Shigenobu National Institute for Basic Biology
Eric Viscogliosi
Eric Viscogliosi Institut Pasteur
Hideo Nakashita
Hideo Nakashita Fukui Prefectural University

External Links

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Best Scientists Citing Toshiaki Kudo

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Publications: 42

Wen-Ming Chen

Wen-Ming Chen

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Publications: 40

Nancy A. Moran

Nancy A. Moran

The University of Texas at Austin

Publications: 39

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Fabrice Legeai

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Publications: 37

Takema Fukatsu

Takema Fukatsu

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Publications: 34

Patrick J. Keeling

Patrick J. Keeling

University of British Columbia

Publications: 33

Koki Horikoshi

Koki Horikoshi

Japan Agency for Marine-Earth Science and Technology

Publications: 32

Jean-Christophe Simon

Jean-Christophe Simon

University of Rennes

Publications: 28

Michael E. Scharf

Michael E. Scharf

Purdue University West Lafayette

Publications: 28

Lindsay D. Eltis

Lindsay D. Eltis

University of British Columbia

Publications: 28

Denis Tagu

Denis Tagu

INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement

Publications: 27

Guy Smagghe

Guy Smagghe

Vrije Universiteit Brussel

Publications: 26

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Shuji Shigenobu

National Institute for Basic Biology

Publications: 26

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Angela E. Douglas

Cornell University

Publications: 26

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