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D-Index & Metrics

Biology and Biochemistry

D-Index
63
Citations
23795
World Ranking
9984
National Ranking
762

Gregory L. Challis 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 Gregory L. Challis 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: 188 publications — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Gregory L. Challis 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 Gregory L. Challis 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: 63 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2017 - Interdisciplinary Prize, Royal Society of Chemistry (UK)
  • 2002 - Meldola Medal and Prize, Royal Society of Chemistry (UK)

Overview

Gregory L. Challis is affiliated with the University of Warwick in the United Kingdom and has contributed extensively to research in biochemistry, genetics, and molecular biology, with significant overlap into medicine and agricultural and biological sciences. Their work spans several specialized subfields including molecular biology, pharmacology, plant science, organic chemistry, and biotechnology.

The research topics frequently explored by Challis include microbial natural products and biosynthesis, plant-microbe interactions and immunity, genomics and phylogenetic studies, chemical synthesis and analysis, carbohydrate chemistry and synthesis, biochemical and structural characterization, and studies on plant pathogenic bacteria.

Among their recent scholarly articles are:

  • Developmentally regulated volatiles geosmin and 2-methylisoborneol attract a soil arthropod to Streptomyces bacteria promoting spore dispersal (2020, Nature Microbiology)
  • Catalytic Mechanism of Aromatic Nitration by Cytochrome P450 TxtE: Involvement of a Ferric-Peroxynitrite Intermediate (2020, Journal of the American Chemical Society)
  • Structures of a non-ribosomal peptide synthetase condensation domain suggest the basis of substrate selectivity (2021, Nature Communications)
  • Kill and cure: genomic phylogeny and bioactivity of Burkholderia gladioli bacteria capable of pathogenic and beneficial lifestyles (2021, Microbial Genomics)
  • Docking domain-mediated subunit interactions in natural product megasynth(et)ases (2021, Journal of Industrial Microbiology & Biotechnology)

Challis has co-authored frequently with several researchers, including Lona M. Alkhalaf, Matthew Jenner, Yousef Dashti, Eshwar Mahenthiralingam, and Xinyun Jian.

Their work is published in various academic journals, with prominent venues including bioRxiv (Cold Spring Harbor Laboratory), Journal of the American Chemical Society, mBio, Angewandte Chemie International Edition, and Nature Chemical Biology.

Recognition for Challis's contributions includes the Interdisciplinary Prize awarded by the Royal Society of Chemistry (UK) in 2017 and the Meldola Medal and Prize from the same organization in 2002.

Best Publications

  • Complete genome sequence of the model actinomycete Streptomyces coelicolor A3(2)

    S. D. Bentley;K. F. Chater;A.-M. Cerdeño-Tárraga;G. L. Challis;G. L. Challis

  • Ribosomally synthesized and post-translationally modified peptide natural products: Overview and recommendations for a universal nomenclature

    Paul G. Arnison;Mervyn J. Bibb;Gabriele Bierbaum;Albert Alexander Bowers

  • Predictive, structure-based model of amino acid recognition by nonribosomal peptide synthetase adenylation domains.

    Gregory L Challis;Jacques Ravel;Craig A Townsend

  • Discovery of microbial natural products by activation of silent biosynthetic gene clusters.

    Peter J. Rutledge;Gregory L. Challis

  • Synergy and contingency as driving forces for the evolution of multiple secondary metabolite production by Streptomyces species

    Gregory L. Challis;David A. Hopwood

  • Genomic and genetic analyses of diversity and plant interactions of Pseudomonas fluorescens

    Mark W. Silby;Ana M. Cerdeño-Tárraga;Georgios S. Vernikos;Stephen R. Giddens

  • Discovery of a new peptide natural product by Streptomyces coelicolor genome mining.

    Sylvie Lautru;Robert J Deeth;Lianne M Bailey;Gregory L Challis

  • Strategies for the discovery of new natural products by genome mining.

    Malek Zerikly;Gregory L. Challis

  • A widely distributed bacterial pathway for siderophore biosynthesis independent of nonribosomal peptide synthetases.

    Gregory L. Challis

  • Identification of a bioactive 51-membered macrolide complex by activation of a silent polyketide synthase in Streptomyces ambofaciens

    Luisa Laureti;Lijiang Song;Sheng Huang;Sheng Huang;Christophe Corre

  • Identification of a cluster of genes that directs desferrioxamine biosynthesis in Streptomyces coelicolor M145.

    Francisco Barona-Gómez;Ursula Wong;Anastassios E Giannakopulos;Peter J Derrick

  • Mining microbial genomes for new natural products and biosynthetic pathways.

    Gregory L. Challis

  • Coelichelin, a new peptide siderophore encoded by the Streptomyces coelicolor genome: structure prediction from the sequence of its non‐ribosomal peptide synthetase

    Gregory L. Challis;Jacques Ravel

  • The complete genome sequence and comparative genome analysis of the high pathogenicity Yersinia enterocolitica strain 8081.

    Nicholas R. Thomson;Sarah Howard;Brendan W. Wren;Matthew T. G. Holden

  • Genome Mining for Novel Natural Product Discovery

    Gregory L. Challis

  • Mechanism and Catalytic Diversity of Rieske Non-Heme Iron-Dependent Oxygenases.

    Sarah M. Barry;Gregory L. Challis

  • Analysis of the prodiginine biosynthesis gene cluster of Streptomyces coelicolor A3(2): new mechanisms for chain initiation and termination in modular multienzymes

    Ana M. Cerdeño;Mervyn J. Bibb;Gregory L. Challis

  • Cytochrome P450–catalyzed L -tryptophan nitration in thaxtomin phytotoxin biosynthesis

    Sarah M Barry;Johan A Kers;Johan A Kers;Evan G Johnson;Evan G Johnson;Lijiang Song

  • The dynamic architecture of the metabolic switch in Streptomyces coelicolor

    Kay Nieselt;Florian Battke;Alexander Herbig;Per Bruheim;Per Bruheim

  • Recent advances in siderophore biosynthesis

    Sarah M Barry;Gregory L Challis

Frequent Co-Authors

Eshwar Mahenthiralingam
Eshwar Mahenthiralingam Cardiff University
Julian Parkhill
Julian Parkhill University of Cambridge
Thomas R. Connor
Thomas R. Connor Cardiff University
James H. Naismith
James H. Naismith Rosalind Franklin Institute
Mervyn J. Bibb
Mervyn J. Bibb John Innes Centre
Simon R. Harris
Simon R. Harris Wellcome Sanger Institute
Jacques Ravel
Jacques Ravel University of Maryland, Baltimore
Jack E. Baldwin
Jack E. Baldwin University of Oxford
Michael A. Quail
Michael A. Quail Wellcome Sanger Institute
Nicholas R. Thomson
Nicholas R. Thomson Wellcome Sanger Institute

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