World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
69
Citations
17401
World Ranking
7373
National Ranking
3372

Chemistry

D-Index
69
Citations
17663
World Ranking
6166
National Ranking
1875

Craig A. Townsend publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Craig A. Townsend sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 311 publications — 66th percentile

66% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Craig A. Townsend D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Craig A. Townsend sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 69 D-Index — 66th percentile

66% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 2003 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1982 - Fellow of Alfred P. Sloan Foundation

Overview

Craig A. Townsend is affiliated with Johns Hopkins University in the United States. Their research spans fields including Biochemistry, Genetics and Molecular Biology, and Medicine, with significant contributions in subfields such as Molecular Biology, Pharmacology, Renewable Energy, Sustainability and the Environment, Organic Chemistry, and Epidemiology.

The scientist's work extensively covers topics related to Microbial Natural Products and Biosynthesis, Chemical Synthesis and Analysis, Metalloenzymes and iron-sulfur proteins, Antibiotic Resistance in Bacteria, Tuberculosis Research and Epidemiology, CO2 Reduction Techniques and Catalysts, and RNA modifications and cancer.

Craig A. Townsend has contributed to several recent publications, among them:

  • "Structure of a B12-dependent radical SAM enzyme in carbapenem biosynthesis" (2022, Nature)
  • "Evolutionary and functional analysis of an NRPS condensation domain integrates β-lactam, ᴅ-amino acid, and dehydroamino acid synthesis" (2021, Proceedings of the National Academy of Sciences)
  • "Penicillin Binding Proteins and β-Lactamases of Mycobacterium tuberculosis: Reexamination of the Historical Paradigm" (2022, mSphere)
  • "Evolution of Methods for the Study of Cobalamin-Dependent Radical SAM Enzymes" (2021, ACS Bio & Med Chem Au)
  • "Development of a penem antibiotic against Mycobacteroides abscessus" (2020, Communications Biology)

The scientist frequently publishes in venues such as ACS Chemical Biology, Proceedings of the National Academy of Sciences, Journal of the American Chemical Society, ChemBioChem, and iScience.

Collaborations include frequent coauthors:

  • Michael S. Lichstrahl
  • Rongfeng Li
  • Erica K. Sinner
  • Lukas Kahlert
  • Trevor A. Zandi

Craig A. Townsend has been recognized with fellowships from the American Association for the Advancement of Science (AAAS) in 2003 and the Alfred P. Sloan Foundation in 1982.

Best Publications

  • Reduced Food Intake and Body Weight in Mice Treated with Fatty Acid Synthase Inhibitors

    Thomas M. Loftus;Donna E. Jaworsky;Gojeb L. Frehywot;Craig A. Townsend

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

    Gregory L Challis;Jacques Ravel;Craig A Townsend

  • Synthesis and antitumor activity of an inhibitor of fatty acid synthase

    Francis P. Kuhajda;Ellen S. Pizer;Ji Nong Li;Neelakandha S. Mani

  • Malonyl-Coenzyme-A Is a Potential Mediator of Cytotoxicity Induced by Fatty-Acid Synthase Inhibition in Human Breast Cancer Cells and Xenografts

    Ellen S. Pizer;Jagan Thupari;Wan Fang Han;Michael L. Pinn

  • Enzymology and Molecular Biology of Aflatoxin Biosynthesis.

    Robert E. Minto;Craig A. Townsend

  • Fatty acid synthase inhibition triggers apoptosis during S phase in human cancer cells.

    Weibo Zhou;P. Jeanette Simpson;Jill M. McFadden;Craig A. Townsend

  • Deconstruction of iterative multidomain polyketide synthase function.

    Jason M. Crawford;Paul M. Thomas;Jonathan R. Scheerer;Anna L. Vagstad

  • New insights into the formation of fungal aromatic polyketides

    Jason M. Crawford;Craig A. Townsend

  • Identification of a starter unit acyl-carrier protein transacylase domain in an iterative type I polyketide synthase

    Jason M. Crawford;Blair C. R. Dancy;Eric A. Hill;Daniel W. Udwary

  • Structural basis for biosynthetic programming of fungal aromatic polyketide cyclization.

    Jason M. Crawford;Tyler P. Korman;Jason W. Labonte;Anna L. Vagstad

  • An externally tunable bacterial band-pass filter

    Takayuki Sohka;Richard A. Heins;Ryan M. Phelan;Jennifer M. Greisler

  • Spectroscopic Studies of Substrate Interactions with Clavaminate Synthase 2, a Multifunctional α-KG-Dependent Non-Heme Iron Enzyme: Correlation with Mechanisms and Reactivities

    Jing Zhou;Wendy L. Kelly;Brian O. Bachmann;Michele Gunsior

  • The architectures of iterative type I PKS and FAS.

    Dominik A. Herbst;Craig A. Townsend;Timm Maier

  • Fatty Acid Synthase Inhibition Activates AMP-Activated Protein Kinase in SKOV3 Human Ovarian Cancer Cells

    Weibo Zhou;Wan Fang Han;Leslie E. Landree;Jagan N. Thupari

  • Circular Dichroism and Magnetic Circular Dichroism Spectroscopic Studies of the Non-Heme Ferrous Active Site in Clavaminate Synthase and Its Interaction with α-Ketoglutarate Cosubstrate

    Elizabeth G. Pavel;Jing Zhou;Robert W. Busby;Michele Gunsior

  • Intrinsic evolutionary constraints on protease structure, enzyme acylation, and the identity of the catalytic triad.

    Andrew R. Buller;Craig A. Townsend

  • Purification and characterization of clavaminate synthase from Streptomyces clavuligerus: an unusual oxidative enzyme in natural product biosynthesis.

    S P Salowe;E N Marsh;C A Townsend

  • Expression of FAS within hypothalamic neurons: a model for decreased food intake after C75 treatment.

    Eun Kyoung Kim;Ian Miller;Leslie E. Landree;Felice F. Borisy-Rudin

  • A new class of antituberculosis agents.

    Paul B. Jones;Nikki M. Parrish;Todd Ashley Houston;Anthony Stapon

  • Specific abstraction of the 5'S- and 4'-deoxyribosyl hydrogen atoms from DNA by calicheamicin .gamma.1I

    Jon J. Hangeland;James J. De Voss;Julie A. Heath;Craig A. Townsend

  • Rational strain improvement for enhanced clavulanic acid production by genetic engineering of the glycolytic pathway in Streptomyces clavuligerus

    Rongfeng Li;Craig A. Townsend

Frequent Co-Authors

Jacques Ravel
Jacques Ravel University of Maryland, Baltimore
Kenneth C. Ehrlich
Kenneth C. Ehrlich US Department of Agriculture
Timothy H. Moran
Timothy H. Moran Johns Hopkins University School of Medicine
Michael D. Burkart
Michael D. Burkart University of California, San Diego
Amy C. Rosenzweig
Amy C. Rosenzweig Northwestern University
Gregory L. Challis
Gregory L. Challis University of Warwick
Edward I. Solomon
Edward I. Solomon Stanford University
Neil L. Kelleher
Neil L. Kelleher Northwestern University
Joan W. Bennett
Joan W. Bennett Rutgers, The State University of New Jersey
Yves Van de Peer
Yves Van de Peer Ghent University

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