World's Best Scientists 2026 revealed!

D-Index & Metrics

Genetics

D-Index
66
Citations
20519
World Ranking
2586
National Ranking
101

Tomoko Ohta publication distribution in Genetics in 2026

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

45–54 publications: 6 scientists 55–64 publications: 10 scientists 65–74 publications: 35 scientists 75–84 publications: 84 scientists 85–94 publications: 102 scientists 95–104 publications: 151 scientists 105–114 publications: 175 scientists 115–124 publications: 203 scientists 125–134 publications: 217 scientists 135–144 publications: 205 scientists 145–154 publications: 193 scientists 155–164 publications: 188 scientists 165–174 publications: 170 scientists 175–184 publications: 178 scientists 185–194 publications: 164 scientists 195–204 publications: 173 scientists 205–214 publications: 159 scientists 215–224 publications: 134 scientists 225–234 publications: 143 scientists 235–244 publications: 105 scientists 245–254 publications: 114 scientists 255–264 publications: 92 scientists 265–274 publications: 88 scientists 275–284 publications: 87 scientists 285–294 publications: 80 scientists 295–304 publications: 62 scientists 305–314 publications: 75 scientists 315–324 publications: 67 scientists 325–334 publications: 60 scientists 335–344 publications: 52 scientists 345–354 publications: 40 scientists 355–364 publications: 48 scientists 365–374 publications: 47 scientists 375–384 publications: 46 scientists 385–394 publications: 31 scientists 395–404 publications: 27 scientists 405–414 publications: 40 scientists 415–424 publications: 30 scientists 425–434 publications: 43 scientists 435–444 publications: 29 scientists 445–454 publications: 14 scientists 455–464 publications: 28 scientists 465–474 publications: 21 scientists 475–484 publications: 21 scientists 485–494 publications: 22 scientists 495–504 publications: 17 scientists 505–514 publications: 12 scientists 515–524 publications: 11 scientists 525–534 publications: 8 scientists 535–544 publications: 8 scientists 545–554 publications: 14 scientists 555–564 publications: 4 scientists 565–574 publications: 11 scientists 575–584 publications: 5 scientists 585–594 publications: 11 scientists 595–604 publications: 12 scientists 605–614 publications: 7 scientists 615–624 publications: 6 scientists 625–634 publications: 10 scientists 635–644 publications: 9 scientists 645–654 publications: 10 scientists 655–664 publications: 6 scientists 665–674 publications: 6 scientists 675–684 publications: 6 scientists 685–694 publications: 4 scientists 695–702 publications: 6 scientists 703+ publications: 100 scientists
45 publications 703+

This scientist: 158 publications — 34th percentile

34% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 703 publications or more.

Tomoko Ohta D-index placement in Genetics in 2026

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

40–41 D-Index: 24 scientists 42–43 D-Index: 52 scientists 44–45 D-Index: 84 scientists 46–47 D-Index: 112 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 141 scientists 52–53 D-Index: 143 scientists 54–55 D-Index: 145 scientists 56–57 D-Index: 179 scientists 58–59 D-Index: 162 scientists 60–61 D-Index: 175 scientists 62–63 D-Index: 191 scientists 64–65 D-Index: 172 scientists 66–67 D-Index: 184 scientists 68–69 D-Index: 164 scientists 70–71 D-Index: 158 scientists 72–73 D-Index: 150 scientists 74–75 D-Index: 136 scientists 76–77 D-Index: 127 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 111 scientists 82–83 D-Index: 110 scientists 84–85 D-Index: 110 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 102 scientists 90–91 D-Index: 66 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 70 scientists 96–97 D-Index: 54 scientists 98–99 D-Index: 60 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 55 scientists 104–105 D-Index: 45 scientists 106–107 D-Index: 42 scientists 108–109 D-Index: 28 scientists 110–111 D-Index: 39 scientists 112–113 D-Index: 25 scientists 114–115 D-Index: 31 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 34 scientists 120–121 D-Index: 29 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 27 scientists 128–129 D-Index: 22 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 11 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 21 scientists 140–141 D-Index: 4 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 14 scientists 146–147 D-Index: 6 scientists 148–149 D-Index: 10 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 9 scientists 154–155 D-Index: 8 scientists 156–157 D-Index: 8 scientists 158–159 D-Index: 9 scientists 160+ D-Index: 96 scientists
40 D-Index 160+

This scientist: 66 D-Index — 41st percentile

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

The last bar groups every scientist with 160 D-Index or more.

Research.com Recognitions

  • 2002 - Member of the National Academy of Sciences
  • 2000 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1984 - Fellow of the American Academy of Arts and Sciences

Overview

Tomoko Ohta is affiliated with the National Institute of Genetics in Japan. Their research primarily spans the field of Biochemistry, Genetics, and Molecular Biology, with 11 publications in this area. Subfields of study for this scientist include Molecular Biology, Genetics, Environmental Chemistry, Global and Planetary Change, and Statistics and Probability.

The main topics addressed in their publications encompass Evolution and Genetic Dynamics, Epigenetics and DNA Methylation, Genomics and Chromatin Dynamics, Genetic Mapping and Diversity in Plants and Animals, RNA Research and Splicing, RNA and protein synthesis mechanisms, as well as Methane Hydrates and Related Phenomena.

The scientist has authored papers published in various venues, notably in the Encyclopedia of Life Sciences and Goldschmidt Abstracts. Recently published works include:

  • Drift: Theoretical Aspects, 2021, Encyclopedia of Life Sciences
  • Molecular Evolution: Nearly Neutral Theory, 2021, Encyclopedia of Life Sciences
  • Multiple Groundwater Dating Conducted at Mizunami URL, 2020, Goldschmidt Abstracts
  • Identification of glacial meteoric water using noble gas temperature, in the northern part of Japan, 2022, Goldschmidt2022 abstracts

Co-authors frequently collaborating with Tomoko Ohta include Makoto Kimura, Takuma Hasegawa, Kotaro Nakata, Yuichi Tomioka, and Shunichi Okamoto.

In addition to articles, Tomoko Ohta has contributed to book publications. One notable work is Theoretical Aspects of Population Genetics. (MPB-4), Volume 4, published by Yale University Press in 2020.

Awards received by Tomoko Ohta include recognition as a Member of the National Academy of Sciences in 2002, a Fellow of the American Association for the Advancement of Science (AAAS) in 2000, and a Fellow of the American Academy of Arts and Sciences in 1984.

Best Publications

  • A model of mutation appropriate to estimate the number of electrophoretically detectable alleles in a finite population

    Tomoko Ohta;Motoo Kimura

  • Slightly deleterious mutant substitutions in evolution.

    Tomoko Ohta

  • THE NEARLY NEUTRAL THEORY OF MOLECULAR EVOLUTION

    Tomoko Ohta

  • Population biology of antigen presentation by MHC class I molecules.

    Peter Parham;Tomoko Ohta

  • THE AVERAGE NUMBER OF GENERATIONS UNTIL FIXATION OF A MUTANT GENE IN A FINITE POPULATION

    Motoo Kimura;Tomoko Ohta

  • Stepwise mutation model and distribution of allelic frequencies in a finite population.

    Motoo Kimura;Tomoko Ohta

  • On Some Principles Governing Molecular Evolution

    Motoo Kimura;Tomoko Ohta

  • Protein polymorphism as a phase of molecular evolution.

    Motoo Kimura;Tomoko Ohta

  • On the stochastic model for estimation of mutational distance between homologous proteins

    Motoo Kimura;Tomoko Ohta

  • Near-neutrality in evolution of genes and gene regulation

    Tomoko Ohta

  • Linkage disequilibrium due to random genetic drift in finite subdivided populations.

    Tomoko Ohta

  • On the constancy of the evolutionary rate of cistrons.

    Tomoko Ohta;Motoo Kimura

  • THE AGE OF A NEUTRAL MUTANT PERSISTING IN A FINITE POPULATION

    Motoo Kimura;Tomoko Ohta

  • Development of Neutral and Nearly Neutral Theories

    Tomoko Ohta;Tomoko Ohta;John H. Gillespie;John H. Gillespie

  • Population size and rate of evolution.

    Tomoko Ohta

  • Linkage disequilibrium due to random genetic drift

    Tomoko Ohta;Motoo Kimura

  • Role of very slightly deleterious mutations in molecular evolution and polymorphism.

    Tomoko Ohta

  • Linkage disequilibrium at steady state determined by random genetic drift and recurrent mutation.

    Tomoko Ohta;Motoo Kimura

  • On the evolution of multigene families.

    Tomoko Ohta

  • On the rate of molecular evolution

    Motoo Kimura;Tomoko Ohta

Frequent Co-Authors

Motoo Kimura
Motoo Kimura National Institute of Genetics
Peter Parham
Peter Parham Stanford University
Takashi Gojobori
Takashi Gojobori King Abdullah University of Science and Technology
Bruce S. Weir
Bruce S. Weir University of Washington
Gabriel A. Dover
Gabriel A. Dover University of Leicester
Erin J. Adams
Erin J. Adams University of Chicago
Therese A. Markow
Therese A. Markow University of California, San Diego
Joseph Felsenstein
Joseph Felsenstein University of Washington

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