World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
46
Citations
9917
World Ranking
18874
National Ranking
1472

Charles W. Penn 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 Charles W. Penn 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: 147 publications — 25th percentile

25% of scientists in this discipline score the same or lower.

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

Charles W. Penn 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 Charles W. Penn 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: 46 D-Index — 4th percentile

4% of scientists in this discipline score the same or lower.

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

Overview

Charles W. Penn is affiliated with the University of Birmingham in the United Kingdom. Their academic and research activities are associated with this institution.

There are no records available regarding specific recent papers authored by Penn, including titles, publication years, or venues. Similarly, there is no detailed information on frequent co-authors, publication venues, or book publications connected to this researcher.

Their documented research scope does not list main fields or subfields of study, nor specific topics of work from the available data. There are also no awards or honors recorded in relation to their career.

Given the lack of detailed publication and research topic data, only the affiliation remains a verified aspect of their academic profile based on the information provided.

Best Publications

  • The genome sequence of the food-borne pathogen Campylobacter jejuni reveals hypervariable sequences

    J. Parkhill;B. W. Wren;K. Mungall;J. M. Ketley

  • High-throughput bacterial genome sequencing: an embarrassment of choice, a world of opportunity

    Nicholas J. Loman;Chrystala Constantinidou;Jacqueline Z. M. Chan;Mihail Halachev

  • Extensive Microbial and Functional Diversity within the Chicken Cecal Microbiome

    Martin J Sergeant;Chrystala Constantinidou;Tristan A Cogan;Michael R Bedford

  • A reassessment of the FNR regulon and transcriptomic analysis of the effects of nitrate, nitrite, NarXL, and NarQP as Escherichia coli K12 adapts from aerobic to anaerobic growth.

    Chrystala Constantinidou;Jon L. Hobman;Lesley Griffiths;Mala D. Patel

  • Gene doctoring: a method for recombineering in laboratory and pathogenic Escherichia coli strains

    David J Lee;Lewis E H Bingle;Karin Heurlier;Mark J Pallen

  • An Iron-Regulated Alkyl Hydroperoxide Reductase (AhpC) Confers Aerotolerance and Oxidative Stress Resistance to the Microaerophilic Pathogen Campylobacter jejuni

    Marie-Louise A. Baillon;Arnoud H. M. van Vliet;Julian M. Ketley;Chrystala Constantinidou

  • CAMPYLOBACTER JEJUNI CONTAINS TWO FUR HOMOLOGS : CHARACTERIZATION OF IRON-RESPONSIVE REGULATION OF PEROXIDE STRESS DEFENSE GENES BY THE PERR REPRESSOR

    Arnoud H. M. van Vliet;Marie-Louise A. Baillon;Charles W. Penn;Julian M. Ketley

  • A commensal gone bad: complete genome sequence of the prototypical enterotoxigenic Escherichia coli strain H10407.

    Lisa C. Crossman;Roy R. Chaudhuri;Scott A. Beatson;Timothy J. Wells

  • Probing bactericidal mechanisms induced by cold atmospheric plasmas with Escherichia coli mutants

    Stefano Perni;Gilbert Shama;J.L. Hobman;P.A. Lund

  • The role of iron in Campylobacter gene regulation, metabolism and oxidative stress defense

    Arnoud H.M. van Vliet;Julian M Ketley;Simon F Park;Charles W Penn

  • High-throughput sequencing and clinical microbiology: progress, opportunities and challenges

    Mark J Pallen;Nicholas J Loman;Charles W Penn

  • Characteristics of Helicobacter pylori growth in a defined medium and determination of its amino acid requirements

    David J. Reynolds;Charles W. Penn

  • Nickel-responsive induction of urease expression in Helicobacter pylori is mediated at the transcriptional level.

    Arnoud H. M. van Vliet;Ernst J. Kuipers;Barbara Waidner;Beverly J. Davies

  • NikR Mediates Nickel-Responsive Transcriptional Induction of Urease Expression in Helicobacter pylori

    Arnoud H. M. van Vliet;Sophie W. Poppelaars;Beverly J. Davies;Jeroen Stoof

  • Roles of rpoN, fliA, and flgR in expression of flagella in Campylobacter jejuni.

    Aparna Jagannathan;Chrystala Constantinidou;Charles W. Penn

  • Regulators encoded in the Escherichia coli type III secretion system 2 gene cluster influence expression of genes within the locus for enterocyte effacement in enterohemorrhagic E. coli O157 : H7

    Lihong Zhang;Roy R. Chaudhuri;Chrystala Constantinidou;Jon L. Hobman

  • Bacterial flagellar diversity in the post-genomic era

    Mark J. Pallen;Charles W. Penn;Roy R. Chaudhuri

  • Antibiotic-induced release of endotoxin from bacteria in vitro.

    Heather A. Crosby;J. F. Bion;C. W. Penn;T. S. J. Elliott

  • A flagellar sheath protein of Helicobacter pylori is identical to HpaA, a putative N-acetylneuraminyllactose-binding hemagglutinin, but is not an adhesin for AGS cells.

    A. C. Jones;R. P. H. Logan;S. Foynes;A. Cockayne

  • Transcriptional Phase Variation of a Type III Restriction-Modification System in Helicobacter pylori

    Nicolette de Vries;Dirk Duinsbergen;Ernst J. Kuipers;Raymond G. J. Pot

Frequent Co-Authors

Harry Smith
Harry Smith University of Birmingham
Mark J. Pallen
Mark J. Pallen University of East Anglia
Jon L. Hobman
Jon L. Hobman University of Nottingham
Arnoud H. M. van Vliet
Arnoud H. M. van Vliet University of Surrey
Julian M. Ketley
Julian M. Ketley University of Leicester
Richard A. Strugnell
Richard A. Strugnell University of Melbourne
Johannes G. Kusters
Johannes G. Kusters Utrecht University
Ernst J. Kuipers
Ernst J. Kuipers Nanyang Technological University
Mark P. Stevens
Mark P. Stevens University of Edinburgh
Julian Parkhill
Julian Parkhill University of Cambridge

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