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

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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