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Ian T. Paulsen
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Biology and Biochemistry
Australia
2026

D-Index & Metrics

Biology and Biochemistry

D-Index
137
Citations
98142
World Ranking
316
National Ranking
5

Ian T. Paulsen 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 Ian T. Paulsen 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: 423 publications — 91st percentile

91% of scientists in this discipline score the same or lower.

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

Ian T. Paulsen 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 Ian T. Paulsen 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: 137 D-Index — 98th percentile

98% 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

  • 2026 - Research.com Biology and Biochemistry in Australia Leader Award
  • 2025 - Research.com Biology and Biochemistry in Australia Leader Award
  • 2023 - Research.com Biology and Biochemistry in Australia Leader Award
  • 2022 - Research.com Biology and Biochemistry in Australia Leader Award
  • 2020 - Fellow of the Australian Academy of Science

Overview

Ian T. Paulsen is affiliated with Macquarie University in Australia. Their research spans multiple fields with a primary focus on biochemistry, genetics, and molecular biology, supported by significant work in environmental science. The subfields of their scholarly output include molecular biology, ecology, plant science, molecular medicine, and genetics.

The main topics of their research include:

  • Antibiotic Resistance in Bacteria
  • Microbial Community Ecology and Physiology
  • Genomics and Phylogenetic Studies
  • Microbial Metabolic Engineering and Bioproduction
  • Bacteriophages and microbial interactions
  • Bacterial Genetics and Biotechnology
  • Fungal and yeast genetics research

Paulsen's recent publications highlight research contributions across a range of issues in microbiology and genetics. Selected recent papers are:

  • A decade of advances in transposon-insertion sequencing, 2020, Nature Reviews Genetics
  • Three faces of biofilms: a microbial lifestyle, a nascent multicellular organism, and an incubator for diversity, 2021, npj Biofilms and Microbiomes
  • The EcoCyc Database in 2021, 2021, Frontiers in Microbiology
  • Physiological Functions of Bacterial "Multidrug" Efflux Pumps, 2021, Chemical Reviews
  • A synthesis of bacterial and archaeal phenotypic trait data, 2020, Scientific Data

Frequent co-authors, reflecting collaborative research efforts, include:

  • Sasha G. Tetu
  • Karl A. Hassan
  • Amy K. Cain
  • Isak S. Pretorius
  • Liam D. H. Elbourne

The majority of Paulsen's publications have appeared in the following venues:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Nature Communications
  • Microbial Genomics
  • Frontiers in Microbiology
  • mBio

Recognition of Paulsen's contributions includes being named a Fellow of the Australian Academy of Science in 2020.

Best Publications

  • Complete genome sequence of Pseudomonas aeruginosa PAO1, an opportunistic pathogen.

    C. K. Stover;X. Q. Pham;A. L. Erwin;S. D. Mizoguchi

  • Genome sequence of the human malaria parasite Plasmodium falciparum

    Malcolm J. Gardner;Neil Hall;Eula Fung;Owen White

  • Environmental Genome Shotgun Sequencing of the Sargasso Sea

    J. Craig Venter;Karin Remington;John F. Heidelberg;Aaron L. Halpern

  • The Chlamydomonas Genome Reveals the Evolution of Key Animal and Plant Functions

    Sabeeha S. Merchant;Simon E. Prochnik;Olivier Vallon;Elizabeth H. Harris

  • Major Facilitator Superfamily

    Stephanie S. Pao;Ian T. Paulsen;Milton H. Saier

  • The genome sequence of Schizosaccharomyces pombe

    V. Wood;R. Gwilliam;M.A. Rajandream;M. Lyne

  • The genome sequence of the filamentous fungus Neurospora crassa

    James E. Galagan;Sarah E. Calvo;Katherine A. Borkovich;Eric U. Selker

  • Complete Genome Sequence of a Virulent Isolate of Streptococcus pneumoniae

    H. Tettelin;K. E. Nelson;I. T. Paulsen;Jonathan A Eisen

  • Complete genome sequence and comparative analysis of the metabolically versatile Pseudomonas putida KT2440

    K. E. Nelson;C. Weinel;I. T. Paulsen;R. J. Dodson

  • Genomic sequence of the pathogenic and allergenic filamentous fungus Aspergillus fumigatus

    William C. Nierman;William C. Nierman;Arnab Pain;Michael J. Anderson;Jennifer R. Wortman;Jennifer R. Wortman

  • Proton-dependent multidrug efflux systems.

    Ian T. Paulsen;Melissa H. Brown;Ronald A. Skurray

  • Genome sequencing and analysis of Aspergillus oryzae

    Masayuki Machida;Kiyoshi Asai;Motoaki Sano;Toshihiro Tanaka

  • Genome sequence of Aedes aegypti, a major arbovirus vector

    Vishvanath Nene;Jennifer R. Wortman;Daniel Lawson;Brian Haas

  • Role of Mobile DNA in the Evolution of Vancomycin-Resistant Enterococcus faecalis

    I. T. Paulsen;L. Banerjei;G. S. A. Myers;K. E. Nelson

  • The complete genome sequence of the Arabidopsis and tomato pathogen Pseudomonas syringae pv. tomato DC3000

    C. Robin Buell;Vinita Joardar;Magdalen Lindeberg;Jeremy Selengut

  • Insights on Evolution of Virulence and Resistance from the Complete Genome Analysis of an Early Methicillin-Resistant Staphylococcus aureus Strain and a Biofilm-Producing Methicillin-Resistant Staphylococcus epidermidis Strain

    Steven R. Gill;Derrick E. Fouts;Gordon L. Archer;Emmanuel F. Mongodin

  • Genome sequence of the dissimilatory metal ion-reducing bacterium Shewanella oneidensis.

    John F. Heidelberg;Ian T. Paulsen;Karen E. Nelson;Eric J. Gaidos;Eric J. Gaidos

  • Three Genomes from the Phylum Acidobacteria Provide Insight into the Lifestyles of These Microorganisms in Soils

    Naomi L. Ward;Jean F. Challacombe;Jean F. Challacombe;Peter H. Janssen;Peter H. Janssen;Bernard Henrissat

  • The Genome of the Natural Genetic Engineer Agrobacterium tumefaciens C58

    Derek W. Wood;Joao C. Setubal;Rajinder Kaul;Dave E. Monks

  • The major facilitator superfamily.

    Saier Mh;Beatty Jt;Goffeau A;Harley Kt

Frequent Co-Authors

Milton H. Saier
Milton H. Saier University of California, San Diego
Claire M. Fraser
Claire M. Fraser University of Maryland, Baltimore
Jonathan A. Eisen
Jonathan A. Eisen University of California, Davis
William C. Nelson
William C. Nelson Pacific Northwest National Laboratory
Ronald A. Skurray
Ronald A. Skurray University of Sydney
Melissa H. Brown
Melissa H. Brown Flinders University
Joyce E. Loper
Joyce E. Loper Oregon State University
Robert J. Dodson
Robert J. Dodson Northwestern University
Robert T. DeBoy
Robert T. DeBoy J. Craig Venter Institute
Sean C. Daugherty
Sean C. Daugherty University of Maryland, Baltimore

External Links

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Finally, if your interests lean toward leadership and health administration, cahme accredited online mha programs offer a reputable route into healthcare management. No matter your chosen direction, online learning provides accessible, high-quality options to advance your education and career in the biological sciences.

Best Scientists Citing Ian T. Paulsen

Bernhard O. Palsson

Bernhard O. Palsson

University of California, San Diego

Publications: 150

Milton H. Saier

Milton H. Saier

University of California, San Diego

Publications: 143

Adam P. Arkin

Adam P. Arkin

Lawrence Berkeley National Laboratory

Publications: 122

Jizhong Zhou

Jizhong Zhou

University of Oklahoma

Publications: 121

Derek R. Lovley

Derek R. Lovley

University of Massachusetts Amherst

Publications: 115

Jonathan A. Eisen

Jonathan A. Eisen

University of California, Davis

Publications: 97

Víctor de Lorenzo

Víctor de Lorenzo

Spanish National Research Council

Publications: 88

Julian Parkhill

Julian Parkhill

University of Cambridge

Publications: 83

Igor V. Grigoriev

Igor V. Grigoriev

Lawrence Berkeley National Laboratory

Publications: 80

Francisco Rodriguez-Valera

Francisco Rodriguez-Valera

Miguel Hernandez University

Publications: 74

Peter D. Karp

Peter D. Karp

SRI International

Publications: 72

Miriam Land

Miriam Land

Oak Ridge National Laboratory

Publications: 71

Ivo Mueller

Ivo Mueller

Walter and Eliza Hall Institute of Medical Research

Publications: 69

Bernard Henrissat

Bernard Henrissat

Technical University of Denmark

Publications: 68

Donald A. Bryant

Donald A. Bryant

Pennsylvania State University

Publications: 67

Artur Scherf

Artur Scherf

Institut Pasteur

Publications: 66

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