World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
78
Citations
20183
World Ranking
4584
National Ranking
344

Ian Denholm 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 Ian Denholm 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: 333 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

Ian Denholm 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 Ian Denholm 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: 78 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Overview

Ian Denholm is affiliated with the University of Hertfordshire in the United Kingdom. Their research primarily focuses on the agricultural and biological sciences, with specific attention to plant science, insect science, ecology, evolution, behavior, systematics, soil science, and pollution. The breadth of their work spans both fundamental and applied aspects of these fields.

The scientist has a number of recent publications covering diverse areas of study. These include:

  • Global patterns in genomic diversity underpinning the evolution of insecticide resistance in the aphid crop pest Myzus persicae, 2021, Communications Biology
  • Zero Tillage Systems Conserve Arbuscular Mycorrhizal Fungi, Enhancing Soil Glomalin and Water Stable Aggregates with Implications for Soil Stability, 2021, Soil Systems
  • Detection of resistance to pyrethroid and neonicotinoid insecticides in the greenhouse whitefly, Trialeurodes vaporariorum (Westw.) (Hemiptera: Aleyrodidae), 2021, Crop Protection
  • The Tripartite Rhizobacteria-AM Fungal-Host Plant Relationship in Winter Wheat: Impact of Multi-Species Inoculation, Tillage Regime and Naturally Occurring Rhizobacteria Species, 2021, Plants
  • In situ morphometric survey elucidates the evolutionary systematics of the orchid genus Gymnadenia in the British Isles, 2021, Systematics and Biodiversity

Their frequent co-authors include:

  • Richard M. Bateman
  • Martin S. Williamson
  • Thomas I Wilkes
  • Douglas Warner
  • Veronica Edmonds-Brown

Ian Denholm has published repeatedly in several scientific journals, demonstrating a pattern of engagement with these venues:

  • Kew Bulletin
  • Communications Biology
  • Soil Systems
  • Crop Protection
  • Plants

Their main topics of research encompass several aspects of plant and insect biology, including but not limited to:

  • Plant and animal studies
  • Insect-Plant Interactions and Control
  • Insect symbiosis and bacterial influences
  • Plant Virus Research Studies
  • Mycorrhizal Fungi and Plant Interactions
  • Soil Carbon and Nitrogen Dynamics
  • Pesticide and Herbicide Environmental Studies

These research interests illustrate a focus on the interactions between plants, insects, fungi, and soil systems, with implications for agricultural sustainability and pest management. Their work includes studies on insecticide resistance mechanisms, microbial interactions in soil, and evolutionary systematics in plants.

Best Publications

  • The global status of insect resistance to neonicotinoid insecticides

    Chris Bass;Ian Denholm;Martin S. Williamson;Ralf Nauen

  • Resistance of insect pests to neonicotinoid insecticides: current status and future prospects.

    Ralf Nauen;Ian Denholm

  • The evolution of insecticide resistance in the peach–potato aphid, Myzus persicae

    Chris Bass;Alin M. Puinean;Christoph T. Zimmer;Ian Denholm

  • Insect-resistant transgenic plants

    Tanja H Schuler;Guy M Poppy;Brian R Kerry;Ian Denholm

  • Tactics for managing pesticide resistance in arthropods: theory and practice

    I Denholm;M W Rowland

  • Amplification of a cytochrome P450 gene is associated with resistance to neonicotinoid insecticides in the aphid Myzus persicae.

    Alin M. Puinean;Stephen P. Foster;Linda Oliphant;Ian Denholm

  • A nicotinic acetylcholine receptor mutation conferring target-site resistance to imidacloprid in Nilaparvata lugens (brown planthopper)

    Zewen Liu;Martin S. Williamson;Stuart J. Lansdell;Ian Denholm

  • Over-expression of cytochrome P450 CYP6CM1 is associated with high resistance to imidacloprid in the B and Q biotypes of Bemisia tabaci (Hemiptera : Aleyrodidae)

    Iris Karunker;Juergen Benting;Bettina Lueke;Tanja Ponge

  • Discovery and characterization of sulfoxaflor, a novel insecticide targeting sap-feeding pests.

    Yuanming Zhu;Michael R Loso;Gerald B Watson;Thomas C Sparks

  • Baseline determination and detection of resistance to imidacloprid in Bemisia tabaci (Homoptera: Aleyrodidae)

    Matthew Cahill;Kevin Gorman;Sara Day;Ian Denholm

  • Mutation of a nicotinic acetylcholine receptor β subunit is associated with resistance to neonicotinoid insecticides in the aphid Myzus persicae

    Chris Bass;Alin M Puinean;Melanie Andrews;Penny Cutler

  • Nicotinic acetylcholine receptors: targets for commercially important insecticides

    Neil S. Millar;Ian Denholm

  • Knockdown resistance (kdr) to DDT and pyrethroid insecticides maps to a sodium channel gene locus in the housefly (Musca domestica)

    Martin S. Williamson;Ian Denholm;Caroline A. Bell;Alan L. Devonshire

  • Mitochondrial heteroplasmy and the evolution of insecticide resistance: Non-Mendelian inheritance in action

    Thomas Van Leeuwen;Bartel Vanholme;Steven Van Pottelberge;Pieter Van Nieuwenhuyse

  • Insecticide resistance in Bemisia tabaci biotype Q (Hemiptera: Aleyrodidae) from China

    C. Luo;C. M. Jones;G. Devine;F. Zhang

  • Pyrethroid and organophosphate resistance in the tobacco whitefly Bemisia tabaci (Homoptera: Aleyrodidae).

    Matthew Cahill;Frank J. Byrne;Kevin Gorman;Ian Denholm

  • Insecticide Resistance on the Move

    I. Denholm;G. J. Devine;M. S. Williamson

  • Challenges with managing insecticide resistance in agricultural pests, exemplisfied by the whitefly Bemisia tabaci

    I. Denholm;M. Cahill;T. J. Dennehy;A. R. Horowitz

  • Characterisation of Insensitive Acetylcholinesterase in Insecticide-Resistant Cotton Aphids,Aphis gossypiiGlover (Homoptera: Aphididae)

    Graham D. Moores;Xiwu Gao;Ian Denholm;Alan L. Devonshire

  • Parasitoid behaviour and Bt plants.

    Tanja H. Schuler;Roel P. J. Potting;Ian Denholm;Guy M. Poppy

Frequent Co-Authors

Martin S. Williamson
Martin S. Williamson Rothamsted Research
Alan L. Devonshire
Alan L. Devonshire The Hertz Corporation
Gregor J. Devine
Gregor J. Devine QIMR Berghofer Medical Research Institute
Guy M. Poppy
Guy M. Poppy University of Southampton
Ralf Nauen
Ralf Nauen Bayer (Germany)
Byron L. Blagburn
Byron L. Blagburn Auburn University
Norbert Mencke
Norbert Mencke Bayer (Germany)
Michael K. Rust
Michael K. Rust University of California, Riverside
Richard Harrington
Richard Harrington Rothamsted Research
Michael W. Dryden
Michael W. Dryden Kansas State University

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