World's Best Scientists 2026 revealed!
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Microbiology
New Zealand
2026

D-Index & Metrics

Microbiology

D-Index
53
Citations
12642
World Ranking
4055
National Ranking
3

John R. Tagg 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 R. Tagg 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: 164 publications — 33rd percentile

33% of scientists in this discipline score the same or lower.

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

John R. Tagg 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 R. Tagg 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: 53 D-Index — 27th percentile

27% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Microbiology in New Zealand Leader Award

Overview

John R. Tagg is affiliated with the University of Otago in New Zealand. Their research primarily focuses on the fields of Medicine, Agricultural and Biological Sciences, and Biochemistry, Genetics and Molecular Biology.

The scientist's work spans several subfields including Food Science, Molecular Biology, Periodontics, Public Health, Environmental and Occupational Health, and Infectious Diseases.

The main topics covered in their research are:

  • Probiotics and Fermented Foods
  • Oral microbiology and periodontitis research
  • Streptococcal Infections and Treatments
  • Gut microbiota and health
  • Dermatology and Skin Diseases
  • Bacterial Identification and Susceptibility Testing
  • Viral gastroenteritis research and epidemiology

Among the frequent co-authors who collaborated closely with John R. Tagg are:

  • John Hale
  • Rohit Jain
  • Liam K. Harold
  • Igor V. Popov
  • Michael L. Chikindas

They have published regularly in various academic venues. The most frequent publication outlets include:

  • Probiotics and Antimicrobial Proteins
  • Applied Microbiology
  • Frontiers in Microbiology
  • Beneficial Microbes
  • Cosmetics

Their recent scholarly articles reflect a focus on probiotics and microbiomes, covering multiple dimensions of health and disease. Selected recent papers include:

  • Probiotics at War Against Viruses: What Is Missing From the Picture?, 2020, Frontiers in Microbiology
  • Skin Microbiome-The Next Frontier for Probiotic Intervention, 2021, Probiotics and Antimicrobial Proteins
  • Beneficial modulation of human health in the oral cavity and beyond using bacteriocin-like inhibitory substance-producing streptococcal probiotics, 2023, Frontiers in Microbiology
  • Can Probiotics Emerge as Effective Therapeutic Agents in Apical Periodontitis? A Review, 2021, Probiotics and Antimicrobial Proteins
  • Could Probiotics and Postbiotics Function as "Silver Bullet" in the Post-COVID-19 Era?, 2021, Probiotics and Antimicrobial Proteins

Best Publications

  • Ribosomally synthesized and post-translationally modified peptide natural products: Overview and recommendations for a universal nomenclature

    Paul G. Arnison;Mervyn J. Bibb;Gabriele Bierbaum;Albert Alexander Bowers

  • Bacteriocins of gram-positive bacteria

    Unknown

  • A preliminary study of the effect of probiotic Streptococcus salivarius K12 on oral malodour parameters

    J.P. Burton;C.N. Chilcott;C.J. Moore;G. Speiser

  • The Commensal Streptococcus salivarius K12 Downregulates the Innate Immune Responses of Human Epithelial Cells and Promotes Host-Microbe Homeostasis

    Celine Cosseau;Deirdre A. Devine;Edie Dullaghan;Jennifer L. Gardy

  • The Diversity of Bacteriocins in Gram-Positive Bacteria

    Nicholas C. K. Heng;Philip A. Wescombe;Jeremy P. Burton;Ralph W. Jack

  • Dental caries is a preventable infectious disease

    Mayooran Balakrishnan;Robin S. Simmonds;John R. Tagg

  • Molecular and genetic characterization of a novel nisin variant produced by Streptococcus uberis.

    Ruth E. Wirawan;Nikolai A. Klesse;Ralph W. Jack;John R. Tagg

  • Quantitative determination by real-time PCR of four vaginal Lactobacillus species, Gardnerella vaginalis and Atopobium vaginae indicates an inverse relationship between L. gasseri and L. iners

    Ellen De Backer;Rita Verhelst;Hans Verstraelen;Mohammed A Alqumber

  • Isolation and characterization of the lantibiotic salivaricin A and its structural gene salA from Streptococcus salivarius 20P3.

    K F Ross;C W Ronson;J R Tagg

  • Safety Assessment of the Oral Cavity Probiotic Streptococcus salivarius K12

    Jeremy P. Burton;Philip A. Wescombe;Chris J. Moore;Chris N. Chilcott

  • Bacterial replacement therapy: adapting 'germ warfare' to infection prevention.

    John R. Tagg;Karen P. Dierksen

  • Influence of the probiotic Streptococcus salivarius strain M18 on indices of dental health in children: a randomized double-blind, placebo-controlled trial

    Jeremy P. Burton;Jeremy P. Burton;Bernadette K. Drummond;Chris N. Chilcott;John R. Tagg

  • Salivaricin A2 and the novel lantibiotic salivaricin B are encoded at adjacent loci on a 190-kilobase transmissible megaplasmid in the oral probiotic strain Streptococcus salivarius K12.

    Otto Hyink;Philip A. Wescombe;Mathew Upton;Mathew Upton;Nancy Ragland

  • Intra- and interspecies signaling between Streptococcus salivarius and Streptococcus pyogenes mediated by SalA and SalA1 lantibiotic peptides.

    M. Upton;M. Upton;J. R. Tagg;P. Wescombe;H. F. Jenkinson

  • Developing oral probiotics from Streptococcus salivarius

    Philip A Wescombe;John D F Hale;Nicholas C K Heng;John R Tagg

  • Two-component anti-Staphylococcus aureus lantibiotic activity produced by Staphylococcus aureus C55.

    Maduwe A. D. B. Navaratna;Hans-Georg Sahl;John R. Tagg

  • Uberolysin: a novel cyclic bacteriocin produced by Streptococcus uberis

    Ruth E Wirawan;Kara M Swanson;Torsten Kleffmann;Ralph W Jack

  • The rationale and potential for the reduction of oral malodour using Streptococcus salivarius probiotics.

    JP Burton;CN Chilcott;JR Tagg

  • Streptococcal bacteriocins and the case for Streptococcus salivarius as model oral probiotics

    Philip A Wescombe;Nicholas C K Heng;Jeremy P Burton;Chris N Chilcott

  • Isolation of lactic acid bacteria with inhibitory activity against pathogens and spoilage organisms associated with fresh meat.

    Rhys J. Jones;Hassan M. Hussein;Monique Zagorec;Gale Brightwell

  • What's in a name? Class distinction for bacteriocins

    Nicholas C. K. Heng;John R. Tagg

Frequent Co-Authors

Jeremy P. Burton
Jeremy P. Burton University of Western Ontario
Paul D. Cotter
Paul D. Cotter University College Cork
Hans-Georg Sahl
Hans-Georg Sahl University of Bonn
R. Paul Ross
R. Paul Ross University College Cork
Colin Hill
Colin Hill University College Cork
Roy M. Robins-Browne
Roy M. Robins-Browne University of Melbourne
Gregor Reid
Gregor Reid University of Western Ontario
Monique Zagorec
Monique Zagorec INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Ingolf F. Nes
Ingolf F. Nes Norwegian University of Life Sciences
Oscar P. Kuipers
Oscar P. Kuipers University of Groningen

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