World's Best Scientists 2026 revealed!
John L. Telford

John L. Telford

D-Index & Metrics

Microbiology

D-Index
77
Citations
24571
World Ranking
1338
National Ranking
32

John L. Telford 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 John L. Telford 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: 211 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

John L. Telford 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 John L. Telford 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: 77 D-Index — 76th percentile

76% of scientists in this discipline score the same or lower.

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

Overview

John L. Telford is affiliated with GlaxoSmithKline in Italy, where their research contributions focus primarily on medical science, particularly in the field of infectious diseases.

The main areas of study in which they have published include Medicine, with specific emphasis on Public Health, Environmental and Occupational Health, Epidemiology, and Molecular Biology. Their work extensively covers topics related to Neonatal and Maternal Infections, Streptococcal Infections and Treatments, as well as Pneumonia and Respiratory Infections. Additionally, they have engaged in research on vaccines and immunoinformatics approaches.

Their recent papers include the following:

  • Neonatal invasive disease caused by Streptococcus agalactiae in Europe: the DEVANI multi-center study, 2022, Infection
  • Maternal Streptococcus agalactiae colonization in Europe: data from the multi-center DEVANI study, 2024, Infection

These publications focus on Streptococcus agalactiae, examining both neonatal invasive disease and maternal colonization within a European multi-center context.

The research has been published primarily in the journal Infection, signifying a concentrated presence in this venue.

Frequent collaborators in their research include Florens Lohrmann, Markus Hufnagel, Mirjam Kunze, Baharak Afshar, and Roberta Creti. These coauthors have contributed alongside Telford on multiple occasions, indicating ongoing collaborative efforts within their scientific network.

Best Publications

  • Genome analysis of multiple pathogenic isolates of Streptococcus agalactiae: Implications for the microbial “pan-genome”

    Hervé Tettelin;Vega Masignani;Michael J. Cieslewicz;Claudio Donati

  • Helicobacter pylori virulence and genetic geography.

    Antonello Covacci;John L. Telford;Giuseppe Del Giudice;Julie Parsonnet

  • ANALYSIS OF EXPRESSION OF CAGA AND VACA VIRULENCE FACTORS IN 43 STRAINS OF HELICOBACTER PYLORI REVEALS THAT CLINICAL ISOLATES CAN BE DIVIDED INTO TWO MAJOR TYPES AND THAT CAGA IS NOT NECESSARY FOR EXPRESSION OF THE VACUOLATING CYTOTOXIN

    Zhaoying Xiang;Stefano Censini;Pietro F. Bayeli;John L. Telford

  • Gene structure of the Helicobacter pylori cytotoxin and evidence of its key role in gastric disease.

    J L Telford;P Ghiara;M Dell'Orco;M Comanducci

  • Correction: Corrigendum: Streptococcus agalactiae clones infecting humans were selected and fixed through the extensive use of tetracycline

    Violette Da Cunha;Mark R. Davies;Pierre-Emmanuel Douarre;Isabelle Rosinski-Chupin

  • Identification of a universal Group B streptococcus vaccine by multiple genome screen.

    Domenico Maione;Immaculada Margarit;Cira D. Rinaudo;Vega Masignani

  • T helper 1 effector cells specific for Helicobacter pylori in the gastric antrum of patients with peptic ulcer disease.

    M M D'Elios;M Manghetti;M De Carli;F Costa

  • Pili in Gram-positive pathogens

    John L. Telford;Michèle A. Barocchi;Immaculada Margarit;Rino Rappuoli

  • Complete genome sequence and comparative genomic analysis of an emerging human pathogen, serotype V Streptococcus agalactiae

    Hervé Tettelin;Vega Masignani;Michael J. Cieslewicz;Jonathan A. Eisen;Jonathan A. Eisen

  • Characterization and identification of vaccine candidate proteins through analysis of the group A Streptococcus surface proteome

    Manuel J Rodríguez-Ortega;Nathalie Norais;Giuliano Bensi;Sabrina Liberatori

  • Group A Streptococcus produce pilus-like structures containing protective antigens and Lancefield T antigens.

    Marirosa Mora;Giuliano Bensi;Sabrina Capo;Fabiana Falugi

  • The Helicobacter pylori Vacuolating Toxin Inhibits T Cell Activation by Two Independent Mechanisms

    Marianna Boncristiano;Silvia Rossi Paccani;Silvia Barone;Cristina Ulivieri

  • Genome analysis reveals pili in Group B Streptococcus.

    Peter Lauer;Cira D. Rinaudo;Marco Soriani;Immaculada Margarit

  • Formation of anion-selective channels in the cell plasma membrane by the toxin VacA of Helicobacter pylori is required for its biological activity

    Ildikò Szabò;Sandra Brutsche;Francesco Tombola;Monica Moschioni

  • Molecular mimicry between Helicobacter pylori antigens and H+, K+-adenosine triphosphatase in human gastric autoimmunity

    Amedeo Amedei;Mathijs P. Bergman;Ben J. Appelmelk;Annalisa Azzurri

  • Selective increase of the permeability of polarized epithelial cell monolayers by Helicobacter pylori vacuolating toxin.

    E Papini;B Satin;N Norais;M de Bernard

  • The Design of Vaccines Against Helicobacter Pylori and Their Development

    Del Giudice G;Covacci A;Telford Jl;Montecucco C

  • Different cytokine profile and antigen-specificity repertoire in Helicobacter pylori-specific T cell clones from the antrum of chronic gastritis patients with or without peptic ulcer.

    M M D'Elios;M Manghetti;F Almerigogna;A Amedei

  • Streptococcus pyogenes pili promote pharyngeal cell adhesion and biofilm formation.

    Andrea G. O. Manetti;Chiara Zingaretti;Fabiana Falugi;Sabrina Capo

  • Low pH Activates the Vacuolating Toxin of Helicobacter pylori, Which Becomes Acid and Pepsin Resistant

    Marina de Bernard;Emanuele Papini;Vincenzo de Filippis;Elena Gottardi

Frequent Co-Authors

Cosima T. Baldari
Cosima T. Baldari University of Siena
Rino Rappuoli
Rino Rappuoli Imperial College London
Guido Grandi
Guido Grandi University of Trento
Emanuele Papini
Emanuele Papini University of Padua
Cesare Montecucco
Cesare Montecucco University of Padua
Mario Milco D'Elios
Mario Milco D'Elios University of Siena
Amedeo Amedei
Amedeo Amedei University of Florence
Gianfranco Del Prete
Gianfranco Del Prete University of Florence
Antonello Covacci
Antonello Covacci Novartis (Switzerland)
Romano Dallai
Romano Dallai University of Siena

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