World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
70
Citations
25339
World Ranking
6870
National Ranking
173

David L. Topping 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 David L. Topping 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: 212 publications — 54th percentile

54% of scientists in this discipline score the same or lower.

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

David L. Topping 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 David L. Topping 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: 70 D-Index — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Overview

David L. Topping is affiliated with the Commonwealth Scientific and Industrial Research Organisation in Australia. Their research spans multiple areas within biochemistry, genetics, molecular biology, and environmental science, focusing notably on health, toxicology, mutagenesis, and physiology.

Their recent publications cover topics related to gut microbiota, respiratory diseases, and environmental toxicology. Notable papers include "Maternal carriage of Prevotella during pregnancy associates with protection against food allergy in the offspring" published in 2020 in Nature Communications, and "Oxidative stress generated DNA damage by 6PPD and other tyre additives in A549 human lung epithelial cells" published in 2025 in Scientific Reports.

The scientist's work is situated in fields such as

  • Biochemistry, Genetics and Molecular Biology
  • Environmental Science

Their subfields of study explore

  • Health, Toxicology and Mutagenesis
  • Molecular Biology
  • General Health Professions
  • Physiology
  • Cancer Research

Key research topics covered in their work include

  • Gut microbiota and health
  • Indigenous Studies and Ecology
  • Asthma and respiratory diseases
  • Indoor Air Quality and Microbial Exposure
  • Carcinogens and Genotoxicity Assessment
  • Toxic Organic Pollutants Impact

David L. Topping has frequently published in venues such as

  • Nature Communications
  • Scientific Reports

Their collaborative network includes frequent co-authorship with

  • Peter Vuillermin
  • Martin O'Hely
  • Fiona Collier
  • Katrina J. Allen
  • Mimi L.K. Tang

Best Publications

  • Commensal microbe-derived butyrate induces the differentiation of colonic regulatory T cells

    Yukihiro Furusawa;Yuuki Obata;Shinji Fukuda;Takaho A. Endo

  • Short-Chain Fatty Acids and Human Colonic Function: Roles of Resistant Starch and Nonstarch Polysaccharides

    David L. Topping;Peter M. Clifton

  • Bifidobacteria can protect from enteropathogenic infection through production of acetate

    Shinji Fukuda;Hidehiro Toh;Koji Hase;Kenshiro Oshima

  • Gut microbial metabolites limit the frequency of autoimmune T cells and protect against type 1 diabetes

    Eliana Mariño;James L Richards;Keiran H McLeod;Dragana Stanley

  • High-amylose wheat generated by RNA interference improves indices of large-bowel health in rats

    Ahmed Regina;Anthony Bird;David Topping;Sarah Bowden

  • The adaptive effects of dietary fish and safflower oil on lipid and lipoprotein metabolism in perfused rat liver

    S H Wong;P J Nestel;R P Trimble;G B Storer

  • Resistant starch as a prebiotic and synbiotic: state of the art.

    David L. Topping;Michihiro Fukushima;Anthony R. Bird

  • Cereal complex carbohydrates and their contribution to human health

    David Topping

  • A review of the potential mechanisms for the lowering of colorectal oncogenesis by butyrate.

    Kim Y. C. Fung;Leah Cosgrove;Trevor Lockett;Richard Head

  • Starches, resistant starches, the gut microflora and human health.

    Anthony R Bird;Ian L Brown;David L Topping

  • Over-expression of specific HvCslF cellulose synthase-like genes in transgenic barley increases the levels of cell wall (1,3;1,4)-β-d-glucans and alters their fine structure.

    Rachel A. Burton;Helen M. Collins;Natalie A. J. Kibble;Jessica A. Smith

  • Fecal Butyrate Levels Vary Widely among Individuals but Are Usually Increased by a Diet High in Resistant Starch

    Alexandra L. McOrist;Rosalind B. Miller;Anthony R. Bird;Jennifer B. Keogh

  • Resistant starch, large bowel fermentation and a broader perspective of prebiotics and probiotics

    A R Bird;M A Conlon;C T Christophersen;D L Topping

  • Variability in Fine Structures of Noncellulosic Cell Wall Polysaccharides from Cereal Grains: Potential Importance in Human Health and Nutrition

    Helen M. Collins;Rachel A. Burton;David L. Topping;Ming-Long Liao

  • Hypocholesterolaemic effects of dietary propionate: studies in whole animals and perfused rat liver.

    Richard J. Illman;David L. Topping;Graeme H. Mclntosh;Rodney P. Trimble

  • Fecal Numbers of Bifidobacteria Are Higher in Pigs Fed Bifidobacterium longum with a High Amylose Cornstarch Than with a Low Amylose Cornstarch

    Ian Brown;Michelle Warhurst;Jayashree Arcot;Martin Playne

  • Acetylated, Propionylated or Butyrylated Starches Raise Large Bowel Short-Chain Fatty Acids Preferentially When Fed to Rats

    Geoffrey Annison;Richard J. Illman;David L. Topping

  • The effects of dietary fish oil on hepatic high density and low density lipoprotein receptor activities in the rat.

    Paul D. Roach;Ambrosios M. Kambouris;Rodney P. Trimble;David L. Topping

  • Two high-amylose maize starches with different amounts of resistant starch vary in their effects on fermentation, tissue and digesta mass accretion, and bacterial populations in the large bowel of pigs

    Anthony R. Bird;Michelle Vuaran;Ian L. Brown;David L. Topping

  • Smoking and health.

    D Topping

Frequent Co-Authors

Anthony R. Bird
Anthony R. Bird Commonwealth Scientific and Industrial Research Organisation
Matthew K. Morell
Matthew K. Morell Commonwealth Scientific and Industrial Research Organisation
Manny Noakes
Manny Noakes Commonwealth Scientific and Industrial Research Organisation
Graeme P. Young
Graeme P. Young Flinders University
Michael Fenech
Michael Fenech University of South Australia
Christopher S. McSweeney
Christopher S. McSweeney Commonwealth Scientific and Industrial Research Organisation
Ying Hu
Ying Hu National Institutes of Health
Michael J. Gidley
Michael J. Gidley University of Queensland
Jun Kikuchi
Jun Kikuchi Yokohama City University
Paul J. Nestel
Paul J. Nestel Baker IDI Heart and Diabetes Institute

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