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Samuel K. Sheppard

Samuel K. Sheppard

University of Bath
United Kingdom

D-Index & Metrics

Biology and Biochemistry

D-Index
59
Citations
11957
World Ranking
12581
National Ranking
978

Samuel K. Sheppard 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 Samuel K. Sheppard 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: 193 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Samuel K. Sheppard 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 Samuel K. Sheppard 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: 59 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Overview

Samuel K. Sheppard is affiliated with the University of Bath in the United Kingdom. Their research spans multiple fields, primarily focused on Biochemistry, Genetics and Molecular Biology, Agricultural and Biological Sciences, and Medicine. Within these disciplines, Sheppard has contributed extensively to subfields including Molecular Biology, Food Science, Infectious Diseases, Endocrinology, and Molecular Medicine.

Their work encompasses a range of main topics such as:

  • Salmonella and Campylobacter epidemiology
  • Viral gastroenteritis research and epidemiology
  • Genomics and Phylogenetic Studies
  • Antibiotic Resistance in Bacteria
  • Gut microbiota and health
  • Escherichia coli research studies
  • Bacteriophages and microbial interactions

Sheppard's research has been published repeatedly in venues including bioRxiv (Cold Spring Harbor Laboratory), Microbial Genomics, Nature Communications, mBio, and Access Microbiology. Specifically, they have published 18 papers in bioRxiv, 12 in Microbial Genomics, 4 in Nature Communications, and smaller numbers in mBio and Access Microbiology.

Some recent papers authored or co-authored by Sheppard include:

  • Genome evolution and the emergence of pathogenicity in avian Escherichia coli, 2021, Nature Communications
  • Agricultural intensification and the evolution of host specialism in the enteric pathogen Campylobacter jejuni, 2020, Proceedings of the National Academy of Sciences
  • Next-generation microbiology: from comparative genomics to gene function, 2021, Genome Biology
  • A 500-year tale of co-evolution, adaptation, and virulence: Helicobacter pylori in the Americas, 2020, The ISME Journal
  • Campylobacter jejuni genotypes are associated with post-infection irritable bowel syndrome in humans, 2021, Communications Biology

Throughout their career, Sheppard has collaborated frequently with fellow researchers including Ben Pascoe, Evangelos Mourkas, Matthew D. Hitchings, Jessica Calland, and Sion Bayliss. These collaborations have resulted in numerous co-authored works advancing the study of microbial genomics and infectious diseases.

Best Publications

  • Ribosomal multilocus sequence typing: universal characterization of bacteria from domain to strain.

    Keith A. Jolley;Carly M. Bliss;Julia S. Bennett;Holly B. Bratcher

  • Campylobacter Genotyping to Determine the Source of Human Infection

    Samuel K. Sheppard;John F. Dallas;Norval J. C. Strachan;Marian MacRae

  • Advances in molecular ecology: tracking trophic links through predator–prey food‐webs

    S. K. Sheppard;J. D. Harwood

  • Genome-wide association study identifies vitamin B5 biosynthesis as a host specificity factor in Campylobacter

    Samuel K. Sheppard;Xavier Didelot;Guillaume Meric;Alicia Torralbo

  • Detection of secondary predation by PCR analyses of the gut contents of invertebrate generalist predators.

    Samuel Keir Sheppard;J. Bell;K. D. Sunderland;J. Fenlon

  • Convergence of Campylobacter species: implications for bacterial evolution

    Samuel K. Sheppard;Noel D. McCarthy;Daniel Falush;Martin C. J. Maiden

  • Infiltration by alien predators into invertebrate food webs in Hawaii: a molecular approach

    Samuel Keir Sheppard;M. L. Henneman;J. Memmott;William Oliver Chistian Symondson

  • Combined analysis of variation in core, accessory and regulatory genome regions provides a super-resolution view into the evolution of bacterial populations

    Alan McNally;Yaara Oren;Darren Kelly;Ben Pascoe

  • Population genomics of bacterial host adaptation.

    Samuel K. Sheppard;David S. Guttman;J. Ross Fitzgerald

  • CLIMB (the Cloud Infrastructure for Microbial Bioinformatics): an online resource for the medical microbiology community

    Thomas R. Connor;Nicholas J Loman;Simon Thompson;Andy Smith

  • Campylobacter genotypes from food animals, environmental sources and clinical disease in Scotland 2005/6.

    Samuel K. Sheppard;John F Dallas;Marion MacRae;Noel D. McCarthy

  • PIRATE: A fast and scalable pangenomics toolbox for clustering diverged orthologues in bacteria.

    Sion C Bayliss;Harry A Thorpe;Nicola M Coyle;Samuel K Sheppard

  • Progressive genome-wide introgression in agricultural Campylobacter coli

    Samuel K. Sheppard;Samuel K. Sheppard;Xavier Didelot;Keith A. Jolley;Aaron E. Darling

  • The evolution of campylobacter jejuni and campylobacter coli

    Samuel K. Sheppard;Martin C.J. Maiden

  • Campylobacter epidemiology: a descriptive study reviewing 1 million cases in England and Wales between 1989 and 2011

    Gordon L Nichols;Judith F Richardson;Samuel K Sheppard;Samuel K Sheppard;Chris Lane

  • Ecological Overlap and Horizontal Gene Transfer in Staphylococcus aureus and Staphylococcus epidermidis.

    Guillaume Méric;Maria Miragaia;Mark de Been;Koji Yahara;Koji Yahara

  • Attribution of Campylobacter Infections in Northeast Scotland to Specific Sources by Use of Multilocus Sequence Typing

    Norval J. C. Strachan;Fraser J. Gormley;Ovidiu Rotariu;Iain D. Ogden

  • A Gene-By-Gene Approach to Bacterial Population Genomics: Whole Genome MLST of Campylobacter

    Samuel K. Sheppard;Keith A. Jolley;Martin C. J. Maiden

  • Disease-associated genotypes of the commensal skin bacterium Staphylococcus epidermidis

    Guillaume Méric;Leonardos Mageiros;Leonardos Mageiros;Johan Pensar;Maisem Laabei;Maisem Laabei

  • Cryptic ecology among host generalist Campylobacter jejuni in domestic animals

    Samuel K. Sheppard;Samuel K. Sheppard;Lu Cheng;Guillaume Méric;Caroline P. A. de Haan

Frequent Co-Authors

Martin C. J. Maiden
Martin C. J. Maiden University of Oxford
Jukka Corander
Jukka Corander University of Oslo
Keith A. Jolley
Keith A. Jolley University of Oxford
Noel D. McCarthy
Noel D. McCarthy University of Warwick
Edward J. Feil
Edward J. Feil University of Bath
Julian Parkhill
Julian Parkhill University of Cambridge
Daniel Falush
Daniel Falush Chinese Academy of Sciences
Xavier Didelot
Xavier Didelot University of Warwick
David M. Aanensen
David M. Aanensen University of Oxford
David J. Kelly
David J. Kelly University of Sheffield

External Links

Personal website of Samuel K. Sheppard

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Best Scientists Citing Samuel K. Sheppard

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Publications: 85

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Publications: 34

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Publications: 33

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