World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
59
Citations
9735
World Ranking
3338
National Ranking
295

David J. Kelly publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where David J. Kelly sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 169 publications — 35th percentile

35% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

David J. Kelly D-index placement in Microbiology in 2026

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

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 59 D-Index — 42nd percentile

42% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Overview

David J. Kelly is affiliated with the University of Sheffield in the United Kingdom. Their research primarily focuses on biochemical, genetic, and molecular biology aspects, with notable contributions to agricultural and biological sciences.

The scientist's work encompasses a variety of interconnected topics, including:

  • Salmonella and Campylobacter epidemiology
  • Bacteriophages and microbial interactions
  • Enzyme structure and function
  • Genomics and phylogenetic studies
  • Trace elements in health
  • Viral gastroenteritis research and epidemiology
  • Bacterial genetics and biotechnology

David J. Kelly has coauthored multiple scientific papers, frequently collaborating with researchers such as Aidan J. Taylor, Robert K. Poole, Craig T. Parker, Evangelos Mourkas, and Sion Bayliss. The collaboration counts range from three to eight joint publications per coauthor.

Notable venues for David's publications include Advances in Microbial Physiology, Materials Advances, the International Journal of Systematic and Evolutionary Microbiology, bioRxiv (Cold Spring Harbor Laboratory), and the Proceedings of the National Academy of Sciences.

Among recent papers published, key works include:

  • Agricultural intensification and the evolution of host specialism in the enteric pathogen Campylobacter jejuni, 2020, Proceedings of the National Academy of Sciences
  • The cryo-EM structure of the bacterial flagellum cap complex suggests a molecular mechanism for filament elongation, 2020, Nature Communications
  • The Unique Phospholipidome of the Enteric Pathogen Campylobacter jejuni: Lysophosholipids Are Required for Motility at Low Oxygen Availability, 2020, Journal of Molecular Biology
  • Genomic adaptations of Campylobacter jejuni to long-term human colonization, 2021, Gut Pathogens
  • Cu(i) diimine complexes as immobilised antibacterial photosensitisers operating in water under visible light, 2020, Materials Advances

The scientist's work spans subfields including food science, molecular biology, biomedical engineering, materials chemistry, and endocrinology. This interdisciplinary approach supports contributions to both fundamental and applied aspects of microbial physiology and pathogenesis.

Best Publications

  • Iron acquisition and virulence in Helicobacter pylori: a major role for FeoB, a high-affinity ferrous iron transporter.

    Jyoti Velayudhan;Nicky J. Hughes;Andrew A. McColm;Julie Bagshaw

  • Genome-wide association study identifies vitamin B5 biosynthesis as a host specificity factor in Campylobacter

    Samuel K. Sheppard;Xavier Didelot;Guillaume Meric;Alicia Torralbo

  • TRAP transporters: a new family of periplasmic solute transport systems encoded by the dctPQM genes of Rhodobacter capsulatus and by homologs in diverse gram-negative bacteria.

    Jason A. Forward;Mark C. Behrendt;Neil R. Wyborn;Richard Cross

  • Helicobacter pylori porCDAB and oorDABC genes encode distinct pyruvate:flavodoxin and 2-oxoglutarate:acceptor oxidoreductases which mediate electron transport to NADP.

    Nicky J. Hughes;Chris L. Clayton;Peter A. Chalk;David J. Kelly

  • Amino acid-dependent growth of Campylobacter jejuni: key roles for aspartase (AspA) under microaerobic and oxygen-limited conditions and identification of AspB (Cj0762), essential for growth on glutamate

    Edward Guccione;Maria del Rocio Leon-Kempis;Bruce M. Pearson;Edward Hitchin

  • Growth of Campylobacter jejuni Supported by Respiration of Fumarate, Nitrate, Nitrite, Trimethylamine-N-Oxide, or Dimethyl Sulfoxide Requires Oxygen

    Michael J. Sellars;Stephen J. Hall;David J. Kelly

  • The tripartite ATP-independent periplasmic (TRAP) transporters of bacteria and archaea.

    David J. Kelly;Gavin H. Thomas

  • L-serine catabolism via an oxygen-labile L-serine dehydratase is essential for colonization of the avian gut by Campylobacter jejuni.

    Jyoti Velayudhan;Michael A. Jones;Paul A. Barrow;David J. Kelly

  • Sialic acid transport in Haemophilus influenzae is essential for lipopolysaccharide sialylation and serum resistance and is dependent on a novel tripartite ATP‐independent periplasmic transporter

    Emmanuele Severi;Gaynor Randle;Polly Kivlin;Kate Whitfield

  • Identification and characterization of a two-component sensor-kinase and response-regulator system (DcuS-DcuR) controlling gene expression in response to C4-dicarboxylates in Escherichia coli.

    Paul Golby;Suzanne Davies;David J. Kelly;John R. Guest

  • Progressive genome-wide introgression in agricultural Campylobacter coli

    Samuel K. Sheppard;Samuel K. Sheppard;Xavier Didelot;Keith A. Jolley;Aaron E. Darling

  • The Campylobacter jejuni PEB1a adhesin is an aspartate/glutamate-binding protein of an ABC transporter essential for microaerobic growth on dicarboxylic amino acids.

    Maria del Rocio Leon-Kempis;Edward Guccione;Francis Mulholland;Michael P. Williamson

  • Identification of carboxylation enzymes and characterization of a novel four-subunit pyruvate:flavodoxin oxidoreductase from Helicobacter pylori.

    N J Hughes;P A Chalk;C L Clayton;D J Kelly

  • Inactivation and regulation of the aerobic C(4)-dicarboxylate transport (dctA) gene of Escherichia coli.

    Suzanne J. Davies;Paul Golby;Davood Omrani;Susan A. Broad

  • The Helicobacter pylori Homologue of the Ferric Uptake Regulator Is Involved in Acid Resistance

    Jetta J. E. Bijlsma;Barbara Waidner;Arnoud H. M. van Vliet;Nicky J. Hughes

  • Analysis of gluconeogenic and anaplerotic enzymes in Campylobacter jejuni: an essential role for phosphoenolpyruvate carboxykinase

    Jyoti Velayudhan;David J Kelly

  • Growth of Campylobacter jejuni on nitrate and nitrite: electron transport to NapA and NrfA via NrfH and distinct roles for NrfA and the globin Cgb in protection against nitrosative stress.

    Marc S. Pittman;Karen T. Elvers;Lucy Lee;Michael A. Jones

  • Role of the thioredoxin system and the thiol-peroxidases Tpx and Bcp in mediating resistance to oxidative and nitrosative stress in Helicobacter pylori.

    Spencer L. Comtois;Mark D. Gidley;David J. Kelly

  • Campylobacter jejuni Gene Expression in the Chick Cecum: Evidence for Adaptation to a Low-Oxygen Environment

    C. A. Woodall;M. A. Jones;P. A. Barrow;J. Hinds

  • The role of auxiliary oxidants in maintaining redox balance during phototrophic growth of Rhodobacter capsulatus on propionate or butyrate

    David J. Richardson;Glenn F. King;David J. Kelly;Alastair G. McEwan

  • The role of the Ferric Uptake Regulator (Fur) in regulation of Helicobacter pylori iron uptake.

    Arnoud H. M. van Vliet;Arnoud H. M. van Vliet;Jeroen Stoof;Ronald Vlasblom;Stuart A. Wainwright

Frequent Co-Authors

Olivier Pascalis
Olivier Pascalis Grenoble Alpes University
Roberto Caldara
Roberto Caldara University of Fribourg
Kang Lee
Kang Lee University of Toronto
Paul C. Quinn
Paul C. Quinn University of Delaware
Alan Slater
Alan Slater University of Exeter
Samuel K. Sheppard
Samuel K. Sheppard University of Bath
Arnoud H. M. van Vliet
Arnoud H. M. van Vliet University of Surrey
Simon C. Andrews
Simon C. Andrews University of Reading
Martin C. J. Maiden
Martin C. J. Maiden University of Oxford
Julian Parkhill
Julian Parkhill University of Cambridge

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