World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
48
Citations
9146
World Ranking
18346
National Ranking
1441

Tom J. Little 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 Tom J. Little 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: 113 publications — 9th percentile

9% of scientists in this discipline score the same or lower.

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

Tom J. Little 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 Tom J. Little 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: 48 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Overview

Tom J. Little is affiliated with the University of Edinburgh in the United Kingdom. Their research primarily focuses on biochemistry, genetics, and molecular biology, with significant contributions to subfields such as molecular biology, aging, genetics, social psychology, and ecology.

The scientist's work covers a range of topics including epigenetics and DNA methylation, genetics, aging, and longevity in model organisms, genetics and neurodevelopmental disorders, neuroendocrine regulation and behavior, physiological and biochemical adaptations, zebrafish biomedical research applications, and chromosomal and genetic variations.

They have published extensively, with notable recent papers including:

  • Universal DNA methylation age across mammalian tissues, 2023, Nature Aging
  • Universal DNA methylation age across mammalian tissues, 2021, bioRxiv (Cold Spring Harbor Laboratory)
  • DNA methylation differs extensively between strains of the same geographical origin and changes with age in Daphnia magna, 2021, Epigenetics & Chromatin
  • Population-Genomic Analysis Identifies a Low Rate of Global Adaptive Fixation in the Proteins of the Cyclical Parthenogen Daphnia magna, 2022, Molecular Biology and Evolution
  • Epigenetic age estimation of wild mice using faecal samples, 2024, Molecular Ecology

Their frequent co-authors include Jack Hearn, Zhe Fei, Amin Haghani, Todd R. Robeck, and Joseph A. Zoller.

Tom J. Little has published multiple papers in venues such as bioRxiv (Cold Spring Harbor Laboratory), Nature Aging, Molecular Ecology, Epigenetics & Chromatin, and Molecular Biology and Evolution.

Best Publications

  • Genetic variation in a host-parasite association: potential for coevolution and frequency-dependent selection.

    Hans Joachim Carius;Tom J. Little;Dieter Ebert

  • Immunity in a variable world.

    Brian P. Lazzaro;Thomas Little

  • Maternal Transfer of Strain-Specific Immunity in an Invertebrate

    Tom J Little;Benjamin O'Connor;Nick Colegrave;Kathryn Watt

  • Natural selection drives extremely rapid evolution in antiviral RNAi genes.

    Darren J. Obbard;Francis M. Jiggins;Daniel L. Halligan;Tom J. Little

  • Invertebrate immunity and the limits of mechanistic immunology.

    Tom J Little;Dan Hultmark;Andrew F Read

  • Angiotensin-converting enzyme genotype affects the response of human skeletal muscle to functional overload.

    Jonathan Folland;Ben Leach;Tom Little;Kate Hawker

  • Fitness consequences of immune responses: strengthening the empirical framework for ecoimmunology

    Andrea Linn Graham;Andrea Linn Graham;David M. Shuker;Laura C. Pollitt;Stuart K.J.R. Auld

  • Ecological and evolutionary implications of immunological priming in invertebrates

    Tom J. Little;Alex R. Kraaijeveld

  • HOST-PARASITE AND GENOTYPE-BY-ENVIRONMENT INTERACTIONS: TEMPERATURE MODIFIES POTENTIAL FOR SELECTION BY A STERILIZING PATHOGEN

    Suzanne E. Mitchell;Emily S. Rogers;Tom J. Little;Andrew F. Read

  • The evolution of virulence when parasites cause host castration and gigantism

    Dieter Ebert;Hans Joachim Carius;Tom Little;Ellen Decaestecker

  • The Coevolution of Virulence: Tolerance in Perspective

    Tom J. Little;David M. Shuker;Nick Colegrave;Troy Day

  • Empirical support for optimal virulence in a castrating parasite.

    Knut Helge Jensen;Thomas Little;Arne Skorping;Dieter Ebert

  • Deforestation and Vectorial Capacity of Anopheles gambiae Giles Mosquitoes in Malaria Transmission, Kenya

    Yaw A. Afrane;Thomas Little;Bernard W. Lawson;Andrew K. Githeko

  • The Dscam Homologue of the Crustacean Daphnia Is Diversified by Alternative Splicing Like in Insects

    Daniela Brites;Seanna McTaggart;Krystalynne Morris;Jobriah Anderson

  • Strength training: Isometric training at a range of joint angles versus dynamic training

    Jonathan P. Folland;Kate Hawker;Ben Leach;Thomas Little

  • PARASITE-HOST SPECIFICITY: EXPERIMENTAL STUDIES ON THE BASIS OF PARASITE ADAPTATION

    Tom J. Little;Kathryn Watt;Dieter Ebert

  • Daphnia magna transcriptome by RNA-Seq across 12 environmental stressors

    Luisa Orsini;Donald Gilbert;Ram Podicheti;Mieke Jansen

  • The evolutionary significance of parasitism: do parasite‐driven genetic dynamics occur ex silico?

    Thomas Little

  • Parasite-driven genetic change in a natural population of Daphnia.

    Alison B. Duncan;Thomas Little

  • Temperature-dependent costs of parasitism and maintenance of polymorphism under genotype-by-environment interactions.

    P. F. Vale;Martin Stjernman;Martin Stjernman;T. J. Little

Frequent Co-Authors

Dieter Ebert
Dieter Ebert University of Basel
Claus Wedekind
Claus Wedekind University of Lausanne
Francis M. Jiggins
Francis M. Jiggins University of Cambridge
Paul D. N. Hebert
Paul D. N. Hebert University of Guelph
Andrew F. Read
Andrew F. Read Pennsylvania State University
John K. Colbourne
John K. Colbourne University of Birmingham
Stuart A. West
Stuart A. West University of Oxford
Mark Blaxter
Mark Blaxter Wellcome Sanger Institute
Guiyun Yan
Guiyun Yan University of California, Irvine

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