World's Best Scientists 2026 revealed!

D-Index & Metrics

Genetics

D-Index
57
Citations
16522
World Ranking
3374
National Ranking
408

Nicholas J. Croucher publication distribution in Genetics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Genetics in 2026. The highlighted bar marks where Nicholas J. Croucher sits on this spectrum.

45–54 publications: 6 scientists 55–64 publications: 10 scientists 65–74 publications: 35 scientists 75–84 publications: 84 scientists 85–94 publications: 102 scientists 95–104 publications: 151 scientists 105–114 publications: 175 scientists 115–124 publications: 203 scientists 125–134 publications: 217 scientists 135–144 publications: 205 scientists 145–154 publications: 193 scientists 155–164 publications: 188 scientists 165–174 publications: 170 scientists 175–184 publications: 178 scientists 185–194 publications: 164 scientists 195–204 publications: 173 scientists 205–214 publications: 159 scientists 215–224 publications: 134 scientists 225–234 publications: 143 scientists 235–244 publications: 105 scientists 245–254 publications: 114 scientists 255–264 publications: 92 scientists 265–274 publications: 88 scientists 275–284 publications: 87 scientists 285–294 publications: 80 scientists 295–304 publications: 62 scientists 305–314 publications: 75 scientists 315–324 publications: 67 scientists 325–334 publications: 60 scientists 335–344 publications: 52 scientists 345–354 publications: 40 scientists 355–364 publications: 48 scientists 365–374 publications: 47 scientists 375–384 publications: 46 scientists 385–394 publications: 31 scientists 395–404 publications: 27 scientists 405–414 publications: 40 scientists 415–424 publications: 30 scientists 425–434 publications: 43 scientists 435–444 publications: 29 scientists 445–454 publications: 14 scientists 455–464 publications: 28 scientists 465–474 publications: 21 scientists 475–484 publications: 21 scientists 485–494 publications: 22 scientists 495–504 publications: 17 scientists 505–514 publications: 12 scientists 515–524 publications: 11 scientists 525–534 publications: 8 scientists 535–544 publications: 8 scientists 545–554 publications: 14 scientists 555–564 publications: 4 scientists 565–574 publications: 11 scientists 575–584 publications: 5 scientists 585–594 publications: 11 scientists 595–604 publications: 12 scientists 605–614 publications: 7 scientists 615–624 publications: 6 scientists 625–634 publications: 10 scientists 635–644 publications: 9 scientists 645–654 publications: 10 scientists 655–664 publications: 6 scientists 665–674 publications: 6 scientists 675–684 publications: 6 scientists 685–694 publications: 4 scientists 695–702 publications: 6 scientists 703+ publications: 100 scientists
45 publications 703+

This scientist: 118 publications — 15th percentile

15% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 703 publications or more.

Nicholas J. Croucher D-index placement in Genetics in 2026

The chart shows the D-index (discipline H-index) distribution of Genetics scientists ranked by Research.com in 2026. The highlighted bar marks where Nicholas J. Croucher sits on this spectrum.

40–41 D-Index: 24 scientists 42–43 D-Index: 52 scientists 44–45 D-Index: 84 scientists 46–47 D-Index: 112 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 141 scientists 52–53 D-Index: 143 scientists 54–55 D-Index: 145 scientists 56–57 D-Index: 179 scientists 58–59 D-Index: 162 scientists 60–61 D-Index: 175 scientists 62–63 D-Index: 191 scientists 64–65 D-Index: 172 scientists 66–67 D-Index: 184 scientists 68–69 D-Index: 164 scientists 70–71 D-Index: 158 scientists 72–73 D-Index: 150 scientists 74–75 D-Index: 136 scientists 76–77 D-Index: 127 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 111 scientists 82–83 D-Index: 110 scientists 84–85 D-Index: 110 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 102 scientists 90–91 D-Index: 66 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 70 scientists 96–97 D-Index: 54 scientists 98–99 D-Index: 60 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 55 scientists 104–105 D-Index: 45 scientists 106–107 D-Index: 42 scientists 108–109 D-Index: 28 scientists 110–111 D-Index: 39 scientists 112–113 D-Index: 25 scientists 114–115 D-Index: 31 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 34 scientists 120–121 D-Index: 29 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 27 scientists 128–129 D-Index: 22 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 11 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 21 scientists 140–141 D-Index: 4 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 14 scientists 146–147 D-Index: 6 scientists 148–149 D-Index: 10 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 9 scientists 154–155 D-Index: 8 scientists 156–157 D-Index: 8 scientists 158–159 D-Index: 9 scientists 160+ D-Index: 96 scientists
40 D-Index 160+

This scientist: 57 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 160 D-Index or more.

Overview

Nicholas J. Croucher is affiliated with Imperial College London in the United Kingdom and has contributed extensively to the fields of medicine, biochemistry, genetics, and molecular biology. Their research primarily focuses on epidemiology, microbiology, molecular biology, molecular medicine, and genetics. The scientist's work encompasses a range of topics including pneumonia and respiratory infections, bacterial infections and vaccines, respiratory viral infections, genomics and phylogenetic studies, antibiotic resistance in bacteria, influenza virus research, and streptococcal infections and treatments.

The publication record of Nicholas J. Croucher includes several papers appearing in high-impact journals between 2020 and 2024. Notable recent papers include:

  • Divergent serotype replacement trends and increasing diversity in pneumococcal disease in high income settings reduce the benefit of expanding vaccine valency (2020, Scientific Reports)
  • Rapid expansion and international spread of M1UK in the post-pandemic UK upsurge of Streptococcus pyogenes (2024, Nature Communications)
  • Emergence and dissemination of antimicrobial resistance in Escherichia coli causing bloodstream infections in Norway in 2002-17: a nationwide, longitudinal, microbial population genomic study (2021, The Lancet Microbe)
  • Designing ecologically optimized pneumococcal vaccines using population genomics (2020, Nature Microbiology)
  • Visualizing variation within Global Pneumococcal Sequence Clusters (GPSCs) and country population snapshots to contextualize pneumococcal isolates (2020, Microbial Genomics)

Nicholas J. Croucher collaborates frequently with a number of researchers, including:

  • Stephen D. Bentley
  • John A. Lees
  • Jukka Corander
  • Gerry Tonkin-Hill
  • Rebecca A. Gladstone

The scientist's output can be found in a variety of publication venues, predominantly:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Microbial Genomics
  • Genome Research
  • Nature Microbiology
  • SSRN Electronic Journal

Research by Nicholas J. Croucher spans core areas related to respiratory infections and bacterial genomics, with a significant emphasis on vaccine-related studies and antimicrobial resistance. Their work contributes to the understanding of pathogen diversity, vaccine strategy optimization, and tracking of bacterial population genetics on both national and international scales.

Best Publications

  • Rapid phylogenetic analysis of large samples of recombinant bacterial whole genome sequences using Gubbins.

    Nicholas J. Croucher;Andrew J. Page;Thomas R. Connor;Aidan J. Delaney

  • Rapid Pneumococcal Evolution in Response to Clinical Interventions

    Nicholas J. Croucher;Simon R. Harris;Christophe Fraser;Michael A. Quail

  • Evidence for several waves of global transmission in the seventh cholera pandemic

    Ankur Mutreja;Dong Wook Kim;Dong Wook Kim;Nicholas R Thomson;Thomas R Connor

  • Rapid whole-genome sequencing for investigation of a neonatal MRSA outbreak.

    Claudio U. Köser;Claudio U. Köser;Matthew T.G. Holden;Matthew J. Ellington;Edward J P Cartwright;Edward J P Cartwright

  • Phandango: an interactive viewer for bacterial population genomics

    James Hadfield;Nicholas J Croucher;Richard J Goater;Khalil Abudahab

  • Fast and flexible bacterial genomic epidemiology with PopPUNK.

    John A. Lees;Simon R. Harris;Gerry Tonkin-Hill;Rebecca A. Gladstone

  • Structure and dynamics of the pan-genome of Streptococcus pneumoniae and closely related species

    Claudio Donati;N. Luisa Hiller;Hervé Tettelin;Alessandro Muzzi

  • Population genomics of post-vaccine changes in pneumococcal epidemiology

    Nicholas J Croucher;Jonathan A Finkelstein;Jonathan A Finkelstein;Stephen I Pelton;Patrick K Mitchell

  • Dense genomic sampling identifies highways of pneumococcal recombination

    Claire Chewapreecha;Simon R Harris;Nicholas J Croucher;Claudia Turner;Claudia Turner;Claudia Turner

  • Antibiotic treatment of Clostridium difficile carrier mice triggers a supershedder state, spore-mediated transmission, and severe disease in immunocompromised hosts.

    Trevor D. Lawley;Simon Clare;Alan W. Walker;David Goulding

  • Studying bacterial transcriptomes using RNA-seq

    Nicholas J Croucher;Nicholas R Thomson

  • Pneumococcal lineages associated with serotype replacement and antibiotic resistance in childhood invasive pneumococcal disease in the post-PCV13 era: an international whole-genome sequencing study.

    Stephanie W Lo;Rebecca A Gladstone;Andries J van Tonder;John A Lees

  • Rapid evolution of virulence and drug resistance in the emerging zoonotic pathogen Streptococcus suis

    Matthew T. G. Holden;Heidi Hauser;Mandy Sanders;Thi Hoa Ngo

  • Proteomic and Genomic Characterization of Highly Infectious Clostridium difficile 630 Spores

    Trevor D. Lawley;Nicholas J. Croucher;Lu Yu;Simon Clare

  • Sequence-based analysis uncovers an abundance of non-coding RNA in the total transcriptome of Mycobacterium tuberculosis.

    Kristine B Arnvig;Iñaki Comas;Nicholas R. Thomson;Joanna Houghton

  • A Strand-Specific RNA–Seq Analysis of the Transcriptome of the Typhoid Bacillus Salmonella Typhi

    Timothy T. Perkins;Robert A. Kingsley;Maria C. Fookes;Paul P. Gardner

  • Bayesian inference of ancestral dates on bacterial phylogenetic trees.

    Xavier Didelot;Nicholas J Croucher;Stephen D Bentley;Simon R Harris

  • Comprehensive Identification of Single Nucleotide Polymorphisms Associated with Beta-lactam Resistance within Pneumococcal Mosaic Genes

    Claire Chewapreecha;Pekka Marttinen;Pekka Marttinen;Nicholas J. Croucher;Susannah J. Salter

  • Pneumococcal Capsular Switching: A Historical Perspective

    Kelly L. Wyres;Lotte M. Lambertsen;Nicholas J. Croucher;Lesley McGee

  • Detection of recombination events in bacterial genomes from large population samples

    Pekka Marttinen;William Paul Hanage;Nicholas J. Croucher;Thomas Richard Connor

Frequent Co-Authors

Stephen D. Bentley
Stephen D. Bentley Wellcome Sanger Institute
Jukka Corander
Jukka Corander University of Oslo
Julian Parkhill
Julian Parkhill University of Cambridge
William P. Hanage
William P. Hanage Harvard University
Simon R. Harris
Simon R. Harris Wellcome Sanger Institute
Marc Lipsitch
Marc Lipsitch Harvard University
Christophe Fraser
Christophe Fraser University of Oxford
David M. Aanensen
David M. Aanensen University of Oxford
Keith P. Klugman
Keith P. Klugman Bill & Melinda Gates Foundation
Marco R. Oggioni
Marco R. Oggioni University of Leicester

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