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Steven A. Nadler

D-Index & Metrics

Biology and Biochemistry

D-Index
53
Citations
9784
World Ranking
16197
National Ranking
6710

Steven A. Nadler 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 Steven A. Nadler 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: 135 publications — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Steven A. Nadler 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 Steven A. Nadler 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: 53 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Overview

Steven A. Nadler is affiliated with the University of California, Davis in the United States. Their research primarily focuses on Agricultural and Biological Sciences and Environmental Science, contributing to several subfields including Plant Science, Ecology, Insect Science, Parasitology, and Small Animals.

The scientist's work covers a range of main topics: Parasite Biology and Host Interactions, Nematode Management and Characterization Studies, Helminth Infection and Control, Plant Pathogenic Bacteria Studies, Genomics and Phylogenetic Studies, Plant-Microbe Interactions and Immunity, and Marine Animal Studies Overview.

Frequent publication venues include Microbiology Resource Announcements, Journal of Parasitology, Nematology, Parasitology Research, and European Journal of Plant Pathology. Some of the recent papers are:

  • Complete and Draft Genome Sequences of 12 Plant-Associated Rathayibacter Strains of Known and Putative New Species, 2020, Microbiology Resource Announcements
  • Host Population Expansion and the Genetic Architecture of the Pinniped Hookworm Uncinaria lucasi, 2020, Journal of Parasitology
  • Draft Genome Sequences of 28 Actinobacteria of the Family Microbacteriaceae Associated with Nematode-Infected Plants, 2021, Microbiology Resource Announcements
  • Bursaphelenchus juglandis n. sp. (Nematoda: Aphelenchoididae), an associate of walnut twig beetle, Pityophthorus juglandis, the vector of thousand cankers disease, 2020, Nematology
  • Draft Genome Sequences of 13 Plant-Associated Actinobacteria of the Family Microbacteriaceae, 2020, Microbiology Resource Announcements

The scientist frequently collaborates with several co-authors, including Sergei A. Subbotin, Sergey V. Tarlachkov, Irina P. Starodumova, Lubov V. Dorofeeva, and N. V. Prisyazhnaya.

Best Publications

  • Disparate rates of molecular evolution in cospeciating hosts and parasites

    Mark S. Hafner;Philip D. Sudman;Francis X. Villablanca;Theresa A. Spradling

  • Molecular and morphological characterisation of two reproductively isolated species with mirror-image anatomy ({Nematoda}: {Cephalobidae})

    Paul De Ley;Marie-Anne Felix;Linda M. Frisse;Steven A. Nadler

  • Phylogenetic trees support the coevolution of parasites and their hosts

    Mark S. Hafner;Steven A. Nadler

  • Phylogeny of the Ascaridoidea (Nematoda: Ascaridida) based on three genes and morphology: hypotheses of structural and sequence evolution.

    Steven A. Nadler;Deborah S. S. Hudspeth

  • Integrating molecular and morphological approaches for characterizing parasite cryptic species: implications for parasitology.

    Steven A. Nadler;Gerardo Pérez-Ponce De León

  • Phylogeny of Steinernema travassos, 1927 (Cephalobina: Steinernematidae) inferred from ribosomal DNA sequences and morphological characters

    S. Patricia Stock;James F. Campbell;Steven A. Nadler

  • PHYLOGENETIC RELATIONSHIPS OF PALAEACANTHOCEPHALA (ACANTHOCEPHALA) INFERRED FROM SSU AND LSU rDNA GENE SEQUENCES

    Martín García-Varela;Steven A. Nadler

  • What We Don't Recognize Can Hurt Us: A Plea for Awareness About Cryptic Species

    Gerardo Perez-Ponce de Leon;Steven A. Nadler

  • MICROEVOLUTION AND THE GENETIC STRUCTURE OF PARASITE POPULATIONS

    Steven A. Nadler

  • Molecular phylogenetics and diagnosis of Anisakis, Pseudoterranova, and Contracaecum from northern Pacific marine mammals.

    Steven A. Nadler;Stefano D'Amelio;Murray D. Dailey;Lia Paggi

  • A COX2 Molecular Phylogeny of the Peronosporomycetes

    Deborah S. S. Hudspeth;Steven A. Nadler;Michael E. S. Hudspeth

  • Ribosomal DNA and Phylogeny of the Ascaridoidea (Nemata: Secernentea): Implications for Morphological Evolution and Classification☆

    Steven A. Nadler;Deborah S.S. Hudspeth

  • Cospeciation in Host-Parasite Assemblages: Comparative Analysis of Rates of Evolution and Timing of Cospeciation Events

    Mark S. Hafner;Steven A. Nadler

  • Molecular phylogeny of clade III nematodes reveals multiple origins of tissue parasitism.

    Steven A Nadler;R. A. Carreno;H. Mejía-Madrid;J. Ullberg

  • Molecular evidence for Acanthocephala as a subtaxon of Rotifera

    James R. Garey;Thomas J. Near;Michael R. Nonnemacher;Steven A. Nadler

  • Evolution of plant parasitism among nematodes

    J. G. Baldwin;S. A. Nadler;B. J. Adams

  • Phylogenetic relationships among Syndermata inferred from nuclear and mitochondrial gene sequences

    Martín García-Varela;Steven A. Nadler

  • Phylogenetic Relationships of the Acanthocephala Inferred from 18S Ribosomal DNA Sequences

    Thomas J. Near;James R. Garey;Steven A. Nadler

  • Phylogenetic relationships of Steinernema Travassos, 1927 (Nematoda: Cephalobina: Steinernematidae) based on nuclear, mitochondrial and morphological data.

    Steven A. Nadler;Eugene Bolotin;S. Patricia Stock

  • Critical Comment: What We Don’t Recognize Can Hurt Us: A Plea for Awareness About Cryptic Species

    Gerardo Pérez-Ponce de León;Steven A Nadler

Frequent Co-Authors

Gerardo Pérez-Ponce de León
Gerardo Pérez-Ponce de León National Autonomous University of Mexico
Martín García-Varela
Martín García-Varela National Autonomous University of Mexico
Thomas J. Near
Thomas J. Near Yale University
Stefano D'Amelio
Stefano D'Amelio Sapienza University of Rome
Byron J. Adams
Byron J. Adams Brigham Young University
Walter M. Boyce
Walter M. Boyce University of California, Davis
Edwin E. Lewis
Edwin E. Lewis University of California, Davis
Howard Ferris
Howard Ferris University of California, Davis
Francisco Javier Aznar
Francisco Javier Aznar University of Valencia
Lia Paggi
Lia Paggi Sapienza University of Rome

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Best Scientists Citing Steven A. Nadler

Gerardo Pérez-Ponce de León

Gerardo Pérez-Ponce de León

National Autonomous University of Mexico

Publications: 58

Kevin P. Johnson

Kevin P. Johnson

University of Illinois at Urbana-Champaign

Publications: 55

Martín García-Varela

Martín García-Varela

National Autonomous University of Mexico

Publications: 55

Robin B. Gasser

Robin B. Gasser

University of Melbourne

Publications: 52

Simonetta Mattiucci

Simonetta Mattiucci

Sapienza University of Rome

Publications: 46

Robert Poulin

Robert Poulin

University of Otago

Publications: 44

Marco Thines

Marco Thines

Goethe University Frankfurt

Publications: 38

Michela Paoletti

Michela Paoletti

Tuscia University

Publications: 37

Giuseppe Nascetti

Giuseppe Nascetti

Tuscia University

Publications: 35

Udeni B. R. Balasuriya

Udeni B. R. Balasuriya

Louisiana State University

Publications: 31

Ian Beveridge

Ian Beveridge

University of Melbourne

Publications: 29

Eric P. Hoberg

Eric P. Hoberg

United States Department of Agriculture

Publications: 28

Xing-Quan Zhu

Xing-Quan Zhu

Shanxi Agricultural University

Publications: 28

Sergei A. Subbotin

Sergei A. Subbotin

California Department of Food and Agriculture

Publications: 27

Serge Morand

Serge Morand

Centre national de la recherche scientifique, CNRS

Publications: 26

Marie-Anne Félix

Marie-Anne Félix

École Normale Supérieure

Publications: 25

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