World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
57
Citations
15497
World Ranking
13624
National Ranking
970

Dag Harmsen publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Dag Harmsen sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 117 publications — 11th percentile

11% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Dag Harmsen D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Dag Harmsen sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 57 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Dag Harmsen is affiliated with the University of Münster in Germany, focusing on research that intersects medicine, biochemistry, genetics, molecular biology, and dentistry. Their published work extensively covers topics such as oral microbiology and periodontitis research, salivary gland disorders and functions, oral health pathology and treatment, Burkholderia infections and melioidosis, gut microbiota and health, streptococcal infections and treatments, as well as bacterial identification and susceptibility testing.

Their research spans several subfields including periodontics, molecular biology, physiology, epidemiology, and infectious diseases, reflecting a multidisciplinary approach to understanding microbiological and pathological processes relevant to oral and systemic health.

Dag Harmsen's frequent coauthors include Karola Prior, Daniel Hagenfeld, Johannes Matern, Benjamin Ehmke, and Inga Harks, indicating collaborative work within these areas.

Publications by Dag Harmsen appear in notable scientific venues, with multiple papers in the Journal of Clinical Microbiology, Journal Of Clinical Periodontology, Microbiome, bioRxiv (Cold Spring Harbor Laboratory), and Frontiers in Microbiology.

  • Core/Whole Genome Multilocus Sequence Typing and Core Genome SNP-Based Typing of OXA-48-Producing Klebsiella pneumoniae Clinical Isolates From Spain, 2020, Frontiers in Microbiology
  • Core Genome Multilocus Sequence Typing Scheme for Improved Characterization and Epidemiological Surveillance of Pathogenic Brucella, 2022, Journal of Clinical Microbiology
  • Establishment and Evaluation of a Core Genome Multilocus Sequence Typing Scheme for Whole-Genome Sequence-Based Typing of Pseudomonas aeruginosa, 2020, Journal of Clinical Microbiology
  • Gut microbiome and plasma metabolome changes in rats after oral gavage of nanoparticles: sensitive indicators of possible adverse health effects, 2022, Particle and Fibre Toxicology
  • Long-term changes in the subgingival microbiota in patients with stage III-IV periodontitis treated by mechanical therapy and adjunctive systemic antibiotics: A secondary analysis of a randomized controlled trial, 2023, Journal Of Clinical Periodontology

Best Publications

  • Typing of methicillin-resistant Staphylococcus aureus in a university hospital setting by using novel software for spa repeat determination and database management

    Dag Harmsen;Heike Claus;Wolfgang Witte;Jörg Rothgänger

  • Prospective Genomic Characterization of the German Enterohemorrhagic Escherichia coli O104:H4 Outbreak by Rapid Next Generation Sequencing Technology

    Alexander Mellmann;Dag Harmsen;Craig A. Cummings;Emily B. Zentz

  • Geographic Distribution of Staphylococcus aureus Causing Invasive Infections in Europe: A Molecular-Epidemiological Analysis

    Hajo Grundmann;David M. Aanensen;Cees C. van den Wijngaard;Brian G. Spratt

  • Evaluation of Matrix-Assisted Laser Desorption Ionization-Time-of-Flight Mass Spectrometry in Comparison to 16S rRNA Gene Sequencing for Species Identification of Nonfermenting Bacteria

    A. Mellmann;J. Cloud;T. Maier;U. Keckevoet

  • Updating benchtop sequencing performance comparison

    Sebastian Jünemann;Sebastian Jünemann;Fritz Joachim Sedlazeck;Karola Prior;Andreas Albersmeier

  • Evaluation and Strategy for Use of MIRU-VNTRplus, a Multifunctional Database for Online Analysis of Genotyping Data and Phylogenetic Identification of Mycobacterium tuberculosis Complex Isolates

    Caroline Allix-Béguec;Dag Harmsen;Thomas Weniger;Philip Supply;Philip Supply

  • MIRU-VNTRplus: a web tool for polyphasic genotyping of Mycobacterium tuberculosis complex bacteria

    Thomas Weniger;Justina Krawczyk;Philip Supply;Stefan Niemann

  • Assignment of Staphylococcus isolates to groups by spa typing, SmaI macrorestriction analysis, and multilocus sequence typing.

    B Strommenger;C Kettlitz;T Weniger;D Harmsen

  • Bacterial Whole-Genome Sequencing Revisited: Portable, Scalable, and Standardized Analysis for Typing and Detection of Virulence and Antibiotic Resistance Genes

    Shana R. Leopold;Richard V. Goering;Anika Witten;Dag Harmsen

  • Analysis of collection of hemolytic uremic syndrome-associated enterohemorrhagic Escherichia coli

    Alexander Mellmann;Martina Bielaszewska;Robin Köck;Alexander W Friedrich

  • Core Genome Multilocus Sequence Typing Scheme for High-Resolution Typing of Enterococcus faecium

    Mark de Been;Mette Pinholt;Mette Pinholt;Janetta Top;Stefan Bletz

  • Defining and Evaluating a Core Genome Multilocus Sequence Typing Scheme for Whole-Genome Sequence-Based Typing of Listeria monocytogenes

    Werner Ruppitsch;Ariane Pietzka;Karola Prior;Stefan Bletz

  • Phylogeny of the Genus Nocardia Based on Reassessed 16S rRNA Gene Sequences Reveals Underspeciation and Division of Strains Classified as Nocardia asteroides into Three Established Species and Two Unnamed Taxons

    Andreas Roth;Sebastian Andrees;Reiner M. Kroppenstedt;Dag Harmsen

  • Development and evaluation of a quality-controlled ribosomal sequence database for 16S ribosomal DNA-based identification of Staphylococcus species.

    Karsten Becker;Dag Harmsen;Alexander Mellmann;Christian Meier

  • Based Upon Repeat Pattern (BURP): an algorithm to characterize the long-term evolution of Staphylococcus aureus populations based on spa polymorphisms

    Alexander Mellmann;Thomas Weniger;Christoph Berssenbrügge;Jörg Rothgänger

  • Real-Time Genome Sequencing of Resistant Bacteria Provides Precision Infection Control in an Institutional Setting

    Alexander Mellmann;Stefan Bletz;Thomas Böking;Frank Kipp

  • High Interlaboratory Reproducibility of DNA Sequence-Based Typing of Bacteria in a Multicenter Study

    Marta Aires-de-Sousa;K Boye;H de Lencastre;A Deplano

  • Differentiation of Clinical Mycobacterium tuberculosis Complex Isolates by gyrB DNA Sequence Polymorphism Analysis

    Stefan Niemann;Dag Harmsen;Sabine Rüsch-Gerdes;Elvira Richter

  • Sequencing and Staphylococci Identification

    Alexander Mellmann;Karsten Becker;Christof von Eiff;Ursula Keckevoet

  • RIDOM: Comprehensive and public sequence database for identification of Mycobacterium species

    Dag Harmsen;Stefan Dostal;Andreas Roth;Stefan Niemann

Frequent Co-Authors

Alexander Mellmann
Alexander Mellmann University of Münster
Helge Karch
Helge Karch University of Münster
Alexander W. Friedrich
Alexander W. Friedrich University Medical Center Groningen
Jens Stoye
Jens Stoye Bielefeld University
Lothar H. Wieler
Lothar H. Wieler Hasso Plattner Institute
Martina Bielaszewska
Martina Bielaszewska University of Münster
Stefan Niemann
Stefan Niemann Research Center Borstel - Leibniz-Center for Medicine and Biosciences
Ulrich Vogel
Ulrich Vogel University of Würzburg
Karsten Becker
Karsten Becker Greifswald University Hospital
Robin Köck
Robin Köck Essen University Hospital

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