World's Best Scientists 2026 revealed!
Rob J. L. Willems

Rob J. L. Willems

D-Index & Metrics

Microbiology

D-Index
86
Citations
25185
World Ranking
843
National Ranking
49

Rob J. L. Willems 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 Rob J. L. Willems 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: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 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: 262 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

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

Rob J. L. Willems 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 Rob J. L. Willems 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: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 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: 94 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: 86 D-Index — 85th percentile

85% of scientists in this discipline score the same or lower.

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

Overview

Rob J. L. Willems is affiliated with Utrecht University in the Netherlands. Their research primarily spans the fields of Biochemistry, Genetics and Molecular Biology, and Medicine. Within these broader areas, Willems has focused extensively on subfields such as Molecular Biology, Infectious Diseases, Molecular Medicine, Epidemiology, and Clinical Biochemistry.

The main topics covered in Willems's work include Antimicrobial Resistance in Staphylococcus, Antibiotic Resistance in Bacteria, Genomics and Phylogenetic Studies, Bacterial Identification and Susceptibility Testing, Bacterial biofilms and quorum sensing, Gut microbiota and health, and research on Clostridium difficile and Clostridium perfringens.

Willems has published articles in a variety of scientific journals and venues. Frequently chosen publication venues include bioRxiv (Cold Spring Harbor Laboratory), Microbiology Spectrum, Nature Communications, mBio, and Genome Medicine.

Recent papers authored or co-authored by Willems showcase a focus on bacterial genetics, antibiotic resistance, and microbiome studies. These include:

  • Mutational signature in colorectal cancer caused by genotoxic pks+ E. coli, 2020, Nature
  • Effects of early-life antibiotics on the developing infant gut microbiome and resistome: a randomized trial, 2022, Nature Communications
  • Enterococcus faecium: from microbiological insights to practical recommendations for infection control and diagnostics, 2020, Antimicrobial Resistance and Infection Control
  • Plasmids Shaped the Recent Emergence of the Major Nosocomial Pathogen Enterococcus faecium, 2020, mBio
  • Apparent nosocomial adaptation of Enterococcus faecalis predates the modern hospital era, 2021, Nature Communications

Willems regularly collaborates with several other researchers. Frequent coauthors include Sergio Arredondo-Alonso, Anita C. Schürch, Jukka Corander, Janetta Top, and Fernanda L. Paganelli.

Best Publications

  • Mutational signature in colorectal cancer caused by genotoxic pks+ E. coli.

    Cayetano Pleguezuelos-Manzano;Jens Puschhof;Axel Rosendahl Huber;Arne van Hoeck

  • Multilocus Sequence Typing System for Campylobacter jejuni

    K. E. Dingle;F. M. Colles;D. R. A. Wareing;R. Ure

  • Multilocus Sequence Typing Scheme for Enterococcus faecium

    Wieger L. Homan;David Tribe;Simone Poznanski;Mei Li

  • Global Spread of Vancomycin-resistant Enterococcus faecium from Distinct Nosocomial Genetic Complex

    Rob J L Willems;Janetta Top;Marga van Santen;D Ashley Robinson

  • Emergence and spread of vancomycin resistance among enterococci in Europe

    Guido Werner;T. M. Coque;A. M. Hammerum;R. Hope

  • Global Spread of Vancomycin-resistantEnterococcus faeciumfrom Distinct Nosocomial Genetic Complex

    Rob J.L. Willems;Janetta Top;Marga van Santen;D. Ashley Robinson

  • Vancomycin-resistant enterococci: why are they here, and where do they come from?

    Marc J M Bonten;Rob Willems;Robert A Weinstein

  • Whole genome sequencing options for bacterial strain typing and epidemiologic analysis based on single nucleotide polymorphism versus gene-by-gene–based approaches

    A.C. Schürch;S. Arredondo-Alonso;R.J.L. Willems;R.V. Goering

  • Emergence of Epidemic Multidrug-Resistant Enterococcus faecium from Animal and Commensal Strains

    François Lebreton;François Lebreton;Willem van Schaik;Willem van Schaik;Willem van Schaik;Abigail Manson McGuire Manson McGuire;Paul Godfrey

  • Interventions to reduce colonisation and transmission of antimicrobial-resistant bacteria in intensive care units: an interrupted time series study and cluster randomised trial

    Lennie P G Derde;Ben S Cooper;Herman Goossens;Surbhi Malhotra-Kumar

  • Multilocus Sequence Typing Scheme for Enterococcus faecalis Reveals Hospital-Adapted Genetic Complexes in a Background of High Rates of Recombination

    Patricia Ruiz-Garbajosa;Marc J. M. Bonten;D. Ashley Robinson;Janetta Top

  • Global Emergence and Dissemination of Enterococci as Nosocomial Pathogens : Attack of the Clones?

    Ana M. Guzman Prieto;Willem van Schaik;Malbert R. C. Rogers;Teresa M. Coque

  • Identification of high-risk enterococcal clonal complexes: global dispersion and antibiotic resistance

    Helen L Leavis;Marc J M Bonten;Rob J L Willems

  • Dissemination of Cephalosporin Resistance Genes between Escherichia coli Strains from Farm Animals and Humans by Specific Plasmid Lineages

    Mark de Been;Val F. Lanza;María de Toro;Jelle Scharringa

  • Polymorphism in the Bordetella pertussis Virulence Factors P.69/Pertactin and Pertussis Toxin in The Netherlands: Temporal Trends and Evidence for Vaccine-Driven Evolution

    Frits R. Mooi;Hans van Oirschot;Kees Heuvelman;Han G. J. van der Heide

  • Variant esp gene as a marker of a distinct genetic lineage of vancomycin-resistant Enterococcus faecium spreading in hospitals

    Rob J. L. Willems;Wieger Homan;Janetta Top;Marga Van Santen-Verheuvel

  • Enterococcus Diversity, Origins in Nature, and Gut Colonization

    Francois Lebreton;Rob J. L. Willems;Michael S. Gilmore

  • Comparative Genotyping of Campylobacter jejuni by Amplified Fragment Length Polymorphism, Multilocus Sequence Typing, and Short Repeat Sequencing: Strain Diversity, Host Range, and Recombination

    Leo M. Schouls;Sanne Reulen;Birgitta Duim;Jaap A. Wagenaar

  • Emergence of CC17 Enterococcus faecium: from commensal to hospital-adapted pathogen

    Janetta Top;Rob Willems;Marc Bonten

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

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

Frequent Co-Authors

Marc J. M. Bonten
Marc J. M. Bonten Utrecht University
Janetta Top
Janetta Top Utrecht University
Willem van Schaik
Willem van Schaik University of Birmingham
Jukka Corander
Jukka Corander University of Oslo
Michael S. Gilmore
Michael S. Gilmore Harvard Medical School
Teresa M. Coque
Teresa M. Coque Instituto Ramón y Cajal de Investigación Sanitaria
Ad C. Fluit
Ad C. Fluit Utrecht University
Frits R. Mooi
Frits R. Mooi National Institute of Public Health and the Environment (RIVM)
Fernando Baquero
Fernando Baquero Instituto Ramón y Cajal de Investigación Sanitaria
Arnfinn Sundsfjord
Arnfinn Sundsfjord University of Tromsø - The Arctic University of Norway

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