World's Best Scientists 2026 revealed!
Keelnatham T. Shanmugam

Keelnatham T. Shanmugam

D-Index & Metrics

Biology and Biochemistry

D-Index
73
Citations
14609
World Ranking
6079
National Ranking
2859

Keelnatham T. Shanmugam 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 Keelnatham T. Shanmugam 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: 192 publications — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Keelnatham T. Shanmugam 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 Keelnatham T. Shanmugam 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: 73 D-Index — 71st percentile

71% 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

  • 2019 - ASM Award for Applied and Biotechnological Research, American Society for Microbiology

Overview

Keelnatham T. Shanmugam is affiliated with the University of Florida in the United States. Their research spans multiple disciplines, primarily focusing on biochemistry, genetics, molecular biology, and engineering.

The scientist's main fields of study encompass:

  • Biochemistry, Genetics and Molecular Biology
  • Engineering

Their specific subfields of study include:

  • Molecular Biology
  • Biomedical Engineering
  • Complementary and Alternative Medicine
  • Biomaterials
  • Pollution

Keelnatham T. Shanmugam's work covers a range of research topics such as:

  • Microbial Metabolic Engineering and Bioproduction
  • Biodegradable Polymer Synthesis and Properties
  • Microplastics and Plastic Pollution
  • Recycling and Waste Management Techniques
  • Amino Acid Enzymes and Metabolism
  • Enzyme Structure and Function
  • Biofuel Production and Bioconversion

Among recent publications attributed to Shanmugam, the following notable papers stand out:

  • "A Combined Thermochemical and Microbial Process for Recycling Polylactic Acid Polymer to Optically Pure l-Lactic Acid for Reuse," 2020, Journal of Polymers and the Environment
  • "Kinetic Characterization and Structure Analysis of an Altered Polyol Dehydrogenase with d-Lactate Dehydrogenase Activity," 2020, Protein Science
  • "SMDemoBioref: Data from the Stan Mayfield Demonstration Biorefinery," 2021, Zenodo (CERN European Organization for Nuclear Research)
  • "Evaluation of Analgesic Activity of the Siddha Polyherbal Formulation Ettikottai Mathirai Using Eddy's Hot Plate Method in Mice," 2025, Asian Journal of Biological and Life Sciences

Frequent co-authors collaborating with Shanmugam include:

  • Diane Chauliac
  • L. O. Ingram
  • Pratap Pullammanappallil
  • Qingzhao Wang
  • Franz J. St John

Research published by Shanmugam has appeared in several venues, including:

  • Journal of Polymers and the Environment
  • Protein Science
  • Zenodo (CERN European Organization for Nuclear Research)
  • Asian Journal of Biological and Life Sciences

In recognition of their research contributions, Keelnatham T. Shanmugam received the ASM Award for Applied and Biotechnological Research from the American Society for Microbiology in 2019.

Best Publications

  • Genetic improvement of Escherichia coli for ethanol production: chromosomal integration of Zymomonas mobilis genes encoding pyruvate decarboxylase and alcohol dehydrogenase II.

    Kazuyoshi Ohta;D.S. Beall;J.P. Mejia;K.T. Shanmugam

  • Combining metabolic engineering and metabolic evolution to develop nonrecombinant strains of Escherichia coli C that produce succinate and malate.

    Kaemwich Jantama;M.J. Haupt;Spyros A. Svoronos;Xueli Zhang

  • Engineering Escherichia coli for efficient conversion of glucose to pyruvate

    T. B. Causey;K. T. Shanmugam;L. P. Yomano;L. O. Ingram

  • Production of optically pure D-lactic acid in mineral salts medium by metabolically engineered Escherichia coli W3110.

    Shengde Zhou;T. B. Causey;A. Hasona;K. T. Shanmugam

  • Eliminating side products and increasing succinate yields in engineered strains of Escherichia coli C

    Kaemwich Jantama;Xueli Zhang;J.C. Moore;K.T. Shanmugam

  • Metabolic evolution of energy-conserving pathways for succinate production in Escherichia coli

    Xueli Zhang;Kaemwich Jantama;Jonathan C. Moore;Laura R. Jarboe

  • Regulation of nitrogen fixation by Rhizobia export of fixed N2 as NH4

    Fergal O'Gara;K.T. Shanmugam

  • Engineering the metabolism of Escherichia coli W3110 for the conversion of sugar to redox-neutral and oxidized products: Homoacetate production

    T. B. Causey;S. Zhou;K. T. Shanmugam;L. O. Ingram

  • Direct isolation of functional genes encoding cellulases from the microbial consortia in a thermophilic, anaerobic digester maintained on lignocellulose

    F. G. Healy;R. M. Ray;H. C. Aldrich;A. C. Wilkie

  • Regulation of Nitrogen Fixation in Klebsiella pneumoniae: Evidence for a Role of Glutamine Synthetase as a Regulator of Nitrogenase Synthesis

    Stanley L. Streicher;K. T. Shanmugam;Frederick Ausubel;Carlo Morandi

  • Metabolic engineering of Klebsiella oxytoca M5A1 for ethanol production from xylose and glucose.

    Kazuyoshi Ohta;D.S. Beall;J.P. Mejia;K.T. Shanmugam

  • Isolation and characterization of acid-tolerant, thermophilic bacteria for effective fermentation of biomass-derived sugars to lactic acid.

    Milind A. Patel;Mark S. Ou;Roberta Harbrucker;Henry C. Aldrich

  • Production of l-alanine by metabolically engineered Escherichia coli

    Xueli Zhang;Kaemwich Jantama;J. C. Moore;K. T. Shanmugam

  • Ethanol production by recombinant hosts

    Lonnie O. Ingram;David S. Beall;Gerhard F. H. Burchhardt;Walter V. Guimaraes

  • Metabolic engineering for production of biorenewable fuels and chemicals: contributions of synthetic biology.

    Laura R. Jarboe;Xueli Zhang;Xuan Wang;Jonathan C. Moore

  • L-malate production by metabolically engineered escherichia coli

    Xueli Zhang;Xuan Wang;Keelnatham T. Shanmugam;Lonnie O'Neal Ingram

  • Silencing of NADPH-dependent oxidoreductase genes (yqhD and dkgA) in furfural-resistant ethanologenic Escherichia coli.

    Elliot N. Miller;Laura R. Jarboe;L. P. Yomano;S. W. York

  • Engineering furfural tolerance in Escherichia coli improves the fermentation of lignocellulosic sugars into renewable chemicals

    Xuan Wang;Lorraine P. Yomano;James Y. Lee;Sean W. York

  • Low salt medium for lactate and ethanol production by recombinant Escherichia coli B

    Alfredo Martinez;T. B. Grabar;K. T. Shanmugam;L. P. Yomano

  • Molybdate transport and regulation in bacteria

    A M Grunden;K T Shanmugam

Frequent Co-Authors

Lonnie O. Ingram
Lonnie O. Ingram University of Florida
Fergal O'Gara
Fergal O'Gara University College Cork
Frederick M. Ausubel
Frederick M. Ausubel Harvard University
Wilfred Vermerris
Wilfred Vermerris University of Florida
Leon Hartwell Allen
Leon Hartwell Allen Agricultural Research Service
Andrew G. Rinzler
Andrew G. Rinzler University of Florida
Eulogio Castro
Eulogio Castro University of Jaén
Harry D. Peck
Harry D. Peck University of Georgia
Guido Zacchi
Guido Zacchi Lund University

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