World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
52
Citations
11062
World Ranking
4179
National Ranking
372

Julian M. Ketley 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 Julian M. Ketley 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: 107 publications — 7th percentile

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

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

Julian M. Ketley 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 Julian M. Ketley 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: 52 D-Index — 25th percentile

25% of scientists in this discipline score the same or lower.

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

Overview

Julian M. Ketley is affiliated with the University of Leicester in the United Kingdom. Their research primarily spans the fields of Agricultural and Biological Sciences, Medicine, and Biochemistry, Genetics and Molecular Biology. Julian M. Ketley's work intersects several subfields including Infectious Diseases, Food Science, Health, Toxicology and Mutagenesis, Endocrinology, and Insect Science.

The scientist's research topics cover a broad range related to microbial epidemiology and environmental exposure. Key themes include Salmonella and Campylobacter epidemiology, viral gastroenteritis research and epidemiology, insect and pesticide research, plant and animal studies, insect and arachnid ecology and behavior, Escherichia coli research studies, and indoor air quality and microbial exposure.

Julian M. Ketley has collaborated frequently with several researchers, notably Julie A. Morrissey, Peter W. Andrew, Jo Purves, Louise Corscadden, and Lillie Purser. These collaborations have contributed to a variety of research outputs in microbial and environmental health sciences.

Their publications appear in multiple scientific venues, with repeated contributions to Access Microbiology, bioRxiv (Cold Spring Harbor Laboratory), Frontiers in Microbiology, Environmental Microbiology, and Microbiology. This diversity of publication outlets reflects Ketley's multidisciplinary approach in addressing complex biological and environmental interactions.

Recent papers from Julian M. Ketley include the following works:

  • Phase Variation During Host Colonization and Invasion by Campylobacter jejuni and Other Campylobacter Species, 2021, Frontiers in Microbiology
  • Air pollution induces Staphylococcus aureus USA300 respiratory tract colonization mediated by specific bacterial genetic responses involving the global virulence gene regulators Agr and Sae, 2022, Environmental Microbiology
  • Role of horizontally transferred copper resistance genes in Staphylococcus aureus and Listeria monocytogenes, 2022, Microbiology
  • Molecular and in silico typing of the lipooligosaccharide biosynthesis gene cluster in Campylobacter jejuni and Campylobacter coli, 2022, PLoS ONE
  • Campylobacter jejuni ST353 and ST464 cause localized gut inflammation, crypt damage, and extraintestinal spread during large- and small-scale infection in broiler chickens, 2025, Applied and Environmental Microbiology

Best Publications

  • The genome sequence of the food-borne pathogen Campylobacter jejuni reveals hypervariable sequences

    J. Parkhill;B. W. Wren;K. Mungall;J. M. Ketley

  • Vibrio cholerae produces a second enterotoxin, which affects intestinal tight junctions.

    A Fasano;B Baudry;D W Pumplin;S S Wasserman

  • Pathogenesis of enteric infection by Campylobacter

    Julian M. Ketley

  • Safety, immunogenicity, and efficacy of recombinant live oral cholera vaccines, CVD 103 and CVD 103-HgR.

    MyronM. Levine;Deirdre Herrington;Genevieve Losonsky;Ben Tall

  • Iron-Responsive Gene Regulation in a Campylobacter jejuni fur Mutant

    Arnoud H. M. van Vliet;Karl G. Wooldridge;Julian M. Ketley

  • Cloning of a gene (zot) encoding a new toxin produced by Vibrio cholerae.

    B Baudry;A Fasano;J Ketley;J B Kaper

  • Norepinephrine increases the pathogenic potential of Campylobacter jejuni.

    Tristan A Cogan;Alastair O Thomas;Louisa En Rees;Alan H Taylor

  • Role of Vibrio cholerae neuraminidase in the function of cholera toxin.

    J E Galen;J M Ketley;A Fasano;S H Richardson

  • Campylobacter jejuni gene expression in response to iron limitation and the role of Fur.

    Kathryn Holmes;Francis Mulholland;Bruce M. Pearson;Carmen Pin

  • Pathogenesis of enteric Campylobacter infection.

    A.H.M. Van Vliet;J.M. Ketley

  • Differentiated Caco-2 cells as a model for enteric invasion by Campylobacter jejuni and C. coli.

    P. H. Everest;H. Goossens;J.-P. Butzler;D. Lloyd

  • An Iron-Regulated Alkyl Hydroperoxide Reductase (AhpC) Confers Aerotolerance and Oxidative Stress Resistance to the Microaerophilic Pathogen Campylobacter jejuni

    Marie-Louise A. Baillon;Arnoud H. M. van Vliet;Julian M. Ketley;Chrystala Constantinidou

  • CAMPYLOBACTER JEJUNI CONTAINS TWO FUR HOMOLOGS : CHARACTERIZATION OF IRON-RESPONSIVE REGULATION OF PEROXIDE STRESS DEFENSE GENES BY THE PERR REPRESSOR

    Arnoud H. M. van Vliet;Marie-Louise A. Baillon;Charles W. Penn;Julian M. Ketley

  • A novel Campylobacter jejuni two-component regulatory system important for temperature-dependent growth and colonization

    Ana M. Brás;Shimonti Chatterjee;Brendan W. Wren;Diane G. Newell

  • Effect of toxin A and B of Clostridium difficile on rabbit ileum and colon.

    T J Mitchell;J M Ketley;S C Haslam;J Stephen

  • The role of iron in Campylobacter gene regulation, metabolism and oxidative stress defense

    Arnoud H.M. van Vliet;Julian M Ketley;Simon F Park;Charles W Penn

  • Ferrioxamine-mediated Iron(III) utilization by Salmonella enterica.

    Robert A. Kingsley;Rolf Reissbrodt;Wolfgang Rabsch;Julian M. Ketley

  • Host signal transduction and endocytosis of Campylobacter jejuni.

    Karl G. Wooldridge;Peter H. Williams;Julian M. Ketley

  • Clostridium difficile--a spectrum of virulence and analysis of putative virulence determinants in the hamster model of antibiotic-associated colitis.

    S. P. Borriello;J. M. Ketley;T. J. Mitchell;F. E. Barclay

  • Campylobacter-host cell interactions

    Karl G. Wooldridge;Julian M. Ketley

  • Campylobacter: molecular and cellular biology.

    Julian M. Ketley;Michael E. Konkel

  • Norepinephrine increases the pathogenic potential of Campylobacter jejuni. Commentary

    Paul Everest;T. A. Cogan;A. O. Thomas;L. E. N. Rees

Frequent Co-Authors

Peter H. Williams
Peter H. Williams University of Leicester
Timothy J. Mitchell
Timothy J. Mitchell University of Birmingham
Arnoud H. M. van Vliet
Arnoud H. M. van Vliet University of Surrey
Brendan W. Wren
Brendan W. Wren London School of Hygiene & Tropical Medicine
Charles W. Penn
Charles W. Penn University of Birmingham
Myron M. Levine
Myron M. Levine University of Maryland, Baltimore
James B. Kaper
James B. Kaper University of Maryland, Baltimore
Peter W. Andrew
Peter W. Andrew University of Leicester
Andrey V. Karlyshev
Andrey V. Karlyshev Kingston University
Nicola J. Williams
Nicola J. Williams University of Liverpool

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