World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
48
Citations
8358
World Ranking
18388
National Ranking
1443

David J. Penman 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 David J. Penman 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: 128 publications — 16th percentile

16% of scientists in this discipline score the same or lower.

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

David J. Penman 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 David J. Penman 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: 48 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Overview

David J. Penman is affiliated with the University of Stirling in the United Kingdom. Their research primarily focuses on the fields of Biochemistry, Genetics and Molecular Biology, with a significant emphasis on Genetics, Physiology, Immunology, Ecology, and Nature and Landscape Conservation as subfields of study.

The main topics addressed in their work include Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities, Reproductive Biology and Impacts on Aquatic Species, Genetic and Phenotypic Traits in Livestock, Aquaculture Disease Management and Microbiota, Fish Ecology and Management Studies, Aquaculture Nutrition and Growth, and Animal Genetics and Reproduction.

Frequent publication venues for David J. Penman's research are BMC Genetics, Aquaculture, Interactions, INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, and Genes.

Some recent papers authored by or involving Penman include:

  • Sex determination in the GIFT strain of tilapia is controlled by a locus in linkage group 23, 2020, BMC Genetics
  • Reclassification of Francisella noatunensis subsp. orientalis Ottem et al. 2009 as Francisella orientalis sp. nov., Francisella noatunensis subsp. chilensis subsp. nov. and emended description of Francisella noatunensis, 2020, INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
  • Structure and Sequence of the Sex Determining Locus in Two Wild Populations of Nile Tilapia, 2020, Genes
  • Production and verification of the first Atlantic salmon (Salmo salar L.) clonal lines, 2020, BMC Genetics
  • Species composition in the Molobicus hybrid tilapia strain, 2020, Aquaculture

Frequent coauthors collaborating with David J. Penman include:

  • Khanam Taslima
  • Brendan J. McAndrew
  • Stefanie Wehner
  • John B. Taggart
  • Hugues de Verdal

Best Publications

  • The genomic substrate for adaptive radiation in African cichlid fish

    David Brawand;David Brawand;Catherine E. Wagner;Catherine E. Wagner;Yang I. Li;Milan Malinsky;Milan Malinsky

  • A genetic linkage map of a cichlid fish, the tilapia (Oreochromis niloticus)

    Thomas D. Kocher;Woo-Jai Lee;Halina Sobolewska;David Penman

  • Development and validation of a high density SNP genotyping array for Atlantic salmon (Salmo salar)

    Ross D Houston;John B Taggart;Timothé Cézard;Michaël Bekaert

  • Genetics of sex determination in tilapiine species.

    Avner Cnaani;Bo-Young Lee;Noam Zilberman;Catherine Ozouf-Costaz

  • Fish Gonadogenesis. Part I: Genetic and Environmental Mechanisms of Sex Determination

    David J. Penman;Francesc Piferrer

  • Cloning of brain aromatase gene and expression of brain and ovarian aromatase genes during sexual differentiation in genetic male and female Nile tilapia Oreochromis niloticus

    Joon Yeong Kwon;Brendan J. McAndrew;David J. Penman

  • Masculinization of genetic female nile tilapia (Oreochromis niloticus) by dietary administration of an aromatase inhibitor during sexual differentiation.

    Joon Yeong Kwon;Vahid Haghpanah;Luz Mary Kogson-Hurtado;Brendan J. McAndrew

  • Identification of a sex-determining region in Nile tilapia (Oreochromis niloticus) using bulked segregant analysis.

    B.-Y. Lee;D. J. Penman;T. D. Kocher

  • A high quality assembly of the Nile Tilapia ( Oreochromis niloticus ) genome reveals the structure of two sex determination regions

    Matthew A. Conte;William J. Gammerdinger;Kerry L. Bartie;David J. Penman

  • Sex determination in the genus Oreochromis : 1. Sex reversal, gynogenesis and triploidy in O. niloticus (L.).

    G. C. Mair;A. G. Scott;D. J. Penman;J. A. Beardmore

  • Mapping and validation of the major sex-determining region in Nile tilapia (Oreochromis niloticus L.) Using RAD sequencing.

    Christos Palaiokostas;Michaël Bekaert;Mohd Golam Quader Khan;Mohd Golam Quader Khan;John Taggart

  • The ‘YY’ supermale in Oreochromis niloticus (L.) and its potential in aquaculture

    A.G. Scott;D.J. Penman;J.A. Beardmore;D.O.F. Skibinski

  • Mapping the sex determination locus in the Atlantic halibut (Hippoglossus hippoglossus) using RAD sequencing

    Christos Palaiokostas;Michaël Bekaert;Andrew Davie;Mairi E Cowan

  • Immune responses of Nile tilapia (Oreochromis niloticus L.) clones: I. Non-specific responses.

    M.Rafiq I Sarder;Kim D Thompson;David J Penman;Brendan J McAndrew

  • A high-resolution map of the Nile tilapia genome: a resource for studying cichlids and other percomorphs.

    Richard Guyon;Michaelle Rakotomanga;Naoual Azzouzi;Jean Pierre Coutanceau

  • Growth and nutritional trials on transgenic Nile tilapia containing an exogenous fish growth hormone gene

    M. A. Rahman;A. Ronyai;B. Z. Engidaw;K. Jauncey

  • INTRODUCTION OF NOVEL GENES INTO FISH

    N. Maclean;D. Penman;Z. Zhu

  • A novel sex-determining QTL in Nile tilapia (Oreochromis niloticus)

    Christos Palaiokostas;Michaël Bekaert;Mohd Golam Quader Khan;John Taggart

  • Evidence for the presence of sex chromosomes in the Nile tilapia (Oreochromis niloticus) from synaptonemal complex analysis of XX, XY and YY genotypes

    Luis A.P Carrasco;David J Penman;Niall Bromage

  • Sex determination in the genus Oreochromis : 2. Sex reversal, hybridisation, gynogenesis and triploidy in O. aureus Steindachner.

    G. C. Mair;A. G. Scott;D. J. Penman;D. O. F. Skibinski

Frequent Co-Authors

Brendan McAndrew
Brendan McAndrew University of Stirling
John B. Taggart
John B. Taggart University of Stirling
Thomas Kocher
Thomas Kocher University of Maryland, College Park
Niall Bromage
Niall Bromage University of Stirling
Norman Maclean
Norman Maclean University of Southampton
Karim Gharbi
Karim Gharbi University of Edinburgh
John Woolliams
John Woolliams University of Edinburgh
Gideon Hulata
Gideon Hulata Agricultural Research Organization
Kerstin Lindblad-Toh
Kerstin Lindblad-Toh Uppsala University
Randolph H. Richards
Randolph H. Richards University of Stirling

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