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D-Index & Metrics

Biology and Biochemistry

D-Index
58
Citations
13933
World Ranking
13062
National Ranking
1019

C. Graham Clark 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 C. Graham Clark 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: 156 publications — 30th percentile

30% of scientists in this discipline score the same or lower.

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

C. Graham Clark 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 C. Graham Clark 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: 58 D-Index — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Overview

C. Graham Clark is affiliated with the London School of Hygiene & Tropical Medicine in the United Kingdom. Their research focuses primarily on parasitology, molecular biology, and infectious diseases within the broader fields of immunology, microbiology, biochemistry, genetics, and molecular biology. Their work encompasses various topics related to parasitic infections and diagnostics, protist diversity and phylogeny, as well as amoebic infections and treatments.

The scientist's recent publications include:

  • Pre-empting Pandora's Box: Blastocystis Subtypes Revisited, 2020, Trends in Parasitology
  • Blastocystis, 2020, Trends in Parasitology
  • Single and mixture per- and polyfluoroalkyl substances accumulate in developing Northern leopard frog brains and produce complex neurotransmission alterations, 2020, Neurotoxicology and Teratology
  • Evolutionary analysis of cellular reduction and anaerobicity in the hyper-prevalent gut microbe Blastocystis, 2023, Current Biology
  • Further insight into the genetic diversity of Entamoeba coli and Entamoeba hartmanni, 2022, Journal of Eukaryotic Microbiology

C. Graham Clark has collaborated frequently with several researchers, including:

  • Christen Rune Stensvold
  • Kevin S. W. Tan
  • Eleni Gentekaki
  • Mark van der Giezen
  • Anastasios D. Tsaousis

They have contributed to publications in various venues, with multiple papers in:

  • Trends in Parasitology
  • Neurotoxicology and Teratology
  • Current Biology
  • Journal of Eukaryotic Microbiology
  • Protist

Their main fields of study cover:

  • Immunology and Microbiology
  • Biochemistry, Genetics and Molecular Biology
  • Medicine

The subfields of their research include:

  • Parasitology
  • Molecular Biology
  • Health, Toxicology and Mutagenesis
  • Infectious Diseases
  • Surgery

The primary topics addressed in their work are:

  • Parasitic Infections and Diagnostics
  • Protist diversity and phylogeny
  • Genomics and Phylogenetic Studies
  • Amoebic Infections and Treatments
  • Pediatric Hepatobiliary Diseases and Treatments
  • Enterobacteriaceae and Cronobacter Research
  • Parasitic infections in humans and animals

Best Publications

  • The genome of the protist parasite Entamoeba histolytica

    Brendan Loftus;Iain Anderson;Rob Davies;U. Cecilia M. Alsmark

  • Methods for Cultivation of Luminal Parasitic Protists of Clinical Importance

    C. Graham Clark;Louis S. Diamond

  • DNA barcoding of blastocystis.

    Stephanie M. Scicluna;Blessing Tawari;C. Graham Clark

  • Terminology for Blastocystis subtypes – a consensus

    C. Rune Stensvold;G. Kumar Suresh;Kevin S.W. Tan;R.C. Andrew Thompson

  • Variable geographic distribution of Blastocystis subtypes and its potential implications.

    Mohammed A. Alfellani;C. Rune Stensvold;Amparo Vidal-Lapiedra;Emeh Sunday Uche Onuoha

  • Genetic diversity of blastocystis in livestock and zoo animals

    Mohammed A. Alfellani;Derya Taner-Mulla;Alison S. Jacob;Christine Atim Imeede

  • Current status of Blastocystis: A personal view

    C. Rune Stensvold;C. Graham Clark

  • Human parasite finds taxonomic home

    Jeffrey D. Silberman;Mitchell L. Sogin;Detlef D. Leipe;C. Graham Clark

  • Subtype distribution of Blastocystis isolates from synanthropic and zoo animals and identification of a new subtype

    C. Rune Stensvold;Mohammed A. Alfellani;Sara Nørskov-Lauritsen;Katrine Prip

  • Recent developments in Blastocystis research.

    C Graham Clark;Mark van der Giezen;Mohammed A Alfellani;Mohammed A Alfellani;C Rune Stensvold

  • Ribosomal RNA genes of 'pathogenic' and 'nonpathogenic' Entamoeba histolytica are distinct.

    C.Graham Clark;Louis S. Diamond

  • Entamoeba moshkovskii Infections in Children in Bangladesh

    Ibne Karin M. Ali;Mohammad Bakhtiar Hossain;Shantanu Roy;Patrick F. Ayeh-Kumi

  • Pre-empting Pandora's Box: Blastocystis Subtypes Revisited.

    Christen Rune Stensvold;C. Graham Clark

  • Xenopus laevis 28S ribosomal RNA: a secondary structure model and its evolutionary and functional implications

    C.Graham Clark;Brian W. Tague;Vassie C. Ware;Susan A. Gerbi

  • The Laredo strain and other 'Entamoeba histolytica-like' amoebae are Entamoeba moshkovskii.

    C. Graham Clark;Louis S. Diamond

  • Organelles in Blastocystis that Blur the Distinction between Mitochondria and Hydrogenosomes

    Alexandra Stechmann;Karleigh Hamblin;Vicente Pérez-Brocal;Daniel Gaston

  • Structure and content of the Entamoeba histolytica genome.

    Clark Cg;Alsmark Uc;Tazreiter M;Saito-Nakano Y

  • Levels of genetic diversity vary dramatically between Blastocystis subtypes.

    C. Rune Stensvold;Mohammed Alfellani;C. Graham Clark

  • A POSSIBLE MITOCHONDRIAL GENE IN THE EARLY-BRANCHING AMITOCHONDRIATE PROTIST TRICHOMONAS VAGINALIS

    Andrew J. Roger;C. Graham Clark;W. Ford Doolittle

  • Emerging from Obscurity: Biological, Clinical, and Diagnostic Aspects of Dientamoeba fragilis

    Eugene H. Johnson;Jeffrey J. Windsor;C. Graham Clark

Frequent Co-Authors

Neil Hall
Neil Hall Norwich Research Park
Egbert Tannich
Egbert Tannich Bernhard Nocht Institute for Tropical Medicine
Jaco J. Verweij
Jaco J. Verweij Leiden University Medical Center
William A. Petri
William A. Petri University of Virginia
Andrew J. Roger
Andrew J. Roger Dalhousie University
Rashidul Haque
Rashidul Haque International Centre for Diarrhoeal Disease Research
Christen Rune Stensvold
Christen Rune Stensvold Statens Serum Institut
Brendan J. Loftus
Brendan J. Loftus University College Dublin
Bernard Henrissat
Bernard Henrissat Technical University of Denmark
Susan A. Gerbi
Susan A. Gerbi Brown University

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