World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
81
Citations
20506
World Ranking
3308
National Ranking
1091

Michael K. Johnson 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 Michael K. Johnson 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: 298 publications — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Michael K. Johnson 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 Michael K. Johnson 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: 81 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

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

Overview

Michael K. Johnson is affiliated with the University of Georgia in the United States. Their research spans multiple disciplines including ecology, molecular biology, and chemistry, focusing on topics such as metalloenzymes, photosynthetic processes, and wildlife ecology.

The scientist's recent publications cover a variety of subjects and have appeared in multiple academic journals. Notable papers include:

  • "Hollywood survival strategies in the post-COVID 19 era," 2021, Humanities and Social Sciences Communications
  • "The plastidial Arabidopsis thaliana NFU1 protein binds and delivers [4Fe-4S] clusters to specific client proteins," 2020, Journal of Biological Chemistry
  • "Applications of an unmanned aerial vehicle and thermal-imaging camera to study ducks nesting over water," 2020, Journal of Field Ornithology
  • "The Arabidopsis Mitochondrial Glutaredoxin GRXS15 Provides [2Fe-2S] Clusters for ISCA-Mediated [4Fe-4S] Cluster Maturation," 2020, International Journal of Molecular Sciences
  • "A Stable Naked Dithiolene Radical Anion and Synergic THF Ring-Opening," 2020, Journal of the American Chemical Society

The publication venues most frequently associated with this scientist include:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Journal of Biological Chemistry
  • Humanities and Social Sciences Communications
  • Journal of Field Ornithology
  • International Journal of Molecular Sciences

Frequent co-authors collaborating with Michael K. Johnson are:

  • Jérémy Couturier
  • Nicolas Rouhier
  • Jonathan Przybyla-Toscano
  • Florence Vignols
  • Tamanna Azam

The main fields and subfields of study represented in the scientist's work include:

  • Ecology
  • Renewable Energy, Sustainability and the Environment
  • Molecular Biology
  • Inorganic Chemistry
  • Materials Chemistry

The primary topics addressed in their research are:

  • Metalloenzymes and iron-sulfur proteins
  • Photosynthetic Processes and Mechanisms
  • Metal-Catalyzed Oxygenation Mechanisms
  • Avian ecology and behavior
  • Wildlife Ecology and Conservation
  • Wildlife-Road Interactions and Conservation
  • Trace Elements in Health

Best Publications

  • STRUCTURE, FUNCTION, AND FORMATION OF BIOLOGICAL IRON-SULFUR CLUSTERS

    Deborah C. Johnson;Dennis R. Dean;Archer D. Smith;Michael K. Johnson

  • Redox-Dependent Structural Changes in the Nitrogenase P-Cluster

    J. W. Peters;M. B. H. Stowell;S. M. Soltis;M. G. Finnegan

  • IscU as a scaffold for iron-sulfur cluster biosynthesis: sequential assembly of [2Fe-2S] and [4Fe-4S] clusters in IscU.

    Jeffrey N. Agar;Carsten Krebs;Jeverson Frazzon;Boi Hanh Huynh

  • NifS-directed assembly of a transient [2Fe-2S] cluster within the NifU protein.

    Pramvadee Yuvaniyama;Jeffrey N. Agar;Valerie L. Cash;Michael K. Johnson

  • Functional Neural Development from Human Embryonic Stem Cells: Accelerated Synaptic Activity via Astrocyte Coculture

    Michael Johnson;Jason P. Weick;Robert A. Pearce;Su Chun Zhang

  • Limits on multiple instruction issue

    Michael D. Smith;Mike Johnson;Mark A. Horowitz

  • Spectroscopic characterization of the novel iron-sulfur cluster in Pyrococcus furiosus ferredoxin.

    R. C. Conover;A. T. Kowal;Weiguang Fu;Jae-Bum Park

  • IscA, an Alternate Scaffold for Fe−S Cluster Biosynthesis†

    Carsten Krebs;Jeffrey N. Agar;Archer D. Smith;Jeverson Frazzon

  • Chloroplast monothiol glutaredoxins as scaffold proteins for the assembly and delivery of [2Fe–2S] clusters

    Sibali Bandyopadhyay;Filipe Gama;Maria Micaela Molina-Navarro;José Manuel Gualberto

  • Iron—sulfur proteins: new roles for old clusters

    Michael K Johnson

  • The role and properties of the iron-sulfur cluster in Escherichia coli dihydroxy-acid dehydratase.

    D. H. Flint;M. H. Emptage;M. G. Finnegan;Weiguang Fu

  • Human ferrochelatase is an iron-sulfur protein.

    Harry A. Dailey;Michael G. Finnegan;Michael K. Johnson

  • The Yeast Iron Regulatory Proteins Grx3/4 and Fra2 Form Heterodimeric Complexes Containing a [2Fe-2S] Cluster with Cysteinyl and Histidyl Ligation

    Haoran Li;Daphne T. Mapolelo;Nin N. Dingra;Sunil G. Naik

  • Formation and Properties of [4Fe-4S] Clusters on the IscU Scaffold Protein†

    Kala Chandramouli;Mihaela-Carmen Unciuleac;Sunil Naik;Dennis R Dean

  • Glutaredoxins: roles in iron homeostasis

    Nicolas Rouhier;Jérémy Couturier;Michael K. Johnson;Jean-Pierre Jacquot

  • Sulfur transfer from IscS to IscU : the first step in iron-sulfur cluster biosynthesis

    A D Smith;J N Agar;K A Johnson;J Frazzon

  • [2Fe-2S] to [4Fe-4S] Cluster Conversion in Escherichia coli Biotin Synthase†

    Evert C. Duin;Meghan E. Lafferty;Brian R. Crouse;Ronda M. Allen

  • Functional, structural, and spectroscopic characterization of a glutathione-ligated [2Fe–2S] cluster in poplar glutaredoxin C1

    Nicolas Rouhier;Hideaki Unno;Sibali Bandyopadhyay;Lluis Masip

  • HscA and HscB stimulate [2Fe-2S] cluster transfer from IscU to apoferredoxin in an ATP-dependent reaction

    Kala Chandramouli;Michael K. Johnson

  • Iron–sulfur cluster biosynthesis

    Sibali Bandyopadhyay;Kala Chandramouli;Michael K. Johnson

Frequent Co-Authors

Michael W. W. Adams
Michael W. W. Adams University of Georgia
David B. Knaff
David B. Knaff Texas Tech University
Dennis R. Dean
Dennis R. Dean Virginia Tech
Andrew J. Thomson
Andrew J. Thomson University of East Anglia
Nicolas Rouhier
Nicolas Rouhier University of Lorraine
Brian M. Hoffman
Brian M. Hoffman Northwestern University
Guy N. L. Jameson
Guy N. L. Jameson University of Melbourne
Gary Cecchini
Gary Cecchini University of California, San Francisco
Colin Greenwood
Colin Greenwood University of East Anglia
Thomas P. Singer
Thomas P. Singer University of California, San Francisco

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