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D-Index & Metrics

Molecular Biology

D-Index
93
Citations
42745
World Ranking
667
National Ranking
366

Donald R. Helinski publication distribution in Molecular Biology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Molecular Biology in 2026. The highlighted bar marks where Donald R. Helinski sits on this spectrum.

47–56 publications: 7 scientists 57–66 publications: 17 scientists 67–76 publications: 65 scientists 77–86 publications: 90 scientists 87–96 publications: 125 scientists 97–106 publications: 131 scientists 107–116 publications: 162 scientists 117–126 publications: 177 scientists 127–136 publications: 158 scientists 137–146 publications: 158 scientists 147–156 publications: 146 scientists 157–166 publications: 159 scientists 167–176 publications: 131 scientists 177–186 publications: 110 scientists 187–196 publications: 112 scientists 197–206 publications: 100 scientists 207–216 publications: 89 scientists 217–226 publications: 98 scientists 227–236 publications: 74 scientists 237–246 publications: 72 scientists 247–256 publications: 63 scientists 257–266 publications: 53 scientists 267–276 publications: 54 scientists 277–286 publications: 49 scientists 287–296 publications: 52 scientists 297–306 publications: 43 scientists 307–316 publications: 46 scientists 317–326 publications: 41 scientists 327–336 publications: 42 scientists 337–346 publications: 31 scientists 347–356 publications: 28 scientists 357–366 publications: 29 scientists 367–376 publications: 26 scientists 377–386 publications: 24 scientists 387–396 publications: 24 scientists 397–406 publications: 14 scientists 407–416 publications: 13 scientists 417–426 publications: 20 scientists 427–436 publications: 12 scientists 437–446 publications: 20 scientists 447–456 publications: 11 scientists 457–466 publications: 10 scientists 467–476 publications: 14 scientists 477–486 publications: 14 scientists 487–496 publications: 10 scientists 497–506 publications: 13 scientists 507–516 publications: 13 scientists 517–526 publications: 2 scientists 527–536 publications: 4 scientists 537–546 publications: 6 scientists 547–556 publications: 8 scientists 557–563 publications: 6 scientists 564+ publications: 100 scientists
47 publications 564+

This scientist: 231 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 564 publications or more.

Donald R. Helinski D-index placement in Molecular Biology in 2026

The chart shows the D-index (discipline H-index) distribution of Molecular Biology scientists ranked by Research.com in 2026. The highlighted bar marks where Donald R. Helinski sits on this spectrum.

40–41 D-Index: 36 scientists 42–43 D-Index: 101 scientists 44–45 D-Index: 115 scientists 46–47 D-Index: 121 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 130 scientists 52–53 D-Index: 106 scientists 54–55 D-Index: 116 scientists 56–57 D-Index: 113 scientists 58–59 D-Index: 129 scientists 60–61 D-Index: 120 scientists 62–63 D-Index: 105 scientists 64–65 D-Index: 131 scientists 66–67 D-Index: 95 scientists 68–69 D-Index: 97 scientists 70–71 D-Index: 106 scientists 72–73 D-Index: 83 scientists 74–75 D-Index: 89 scientists 76–77 D-Index: 77 scientists 78–79 D-Index: 70 scientists 80–81 D-Index: 73 scientists 82–83 D-Index: 60 scientists 84–85 D-Index: 48 scientists 86–87 D-Index: 45 scientists 88–89 D-Index: 50 scientists 90–91 D-Index: 31 scientists 92–93 D-Index: 51 scientists 94–95 D-Index: 43 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 39 scientists 100–101 D-Index: 41 scientists 102–103 D-Index: 29 scientists 104–105 D-Index: 33 scientists 106–107 D-Index: 35 scientists 108–109 D-Index: 20 scientists 110–111 D-Index: 38 scientists 112–113 D-Index: 19 scientists 114–115 D-Index: 28 scientists 116–117 D-Index: 13 scientists 118–119 D-Index: 23 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 15 scientists 124–125 D-Index: 11 scientists 126–127 D-Index: 21 scientists 128–129 D-Index: 7 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 14 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 9 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 16 scientists 142–143 D-Index: 7 scientists 144 D-Index: 7 scientists 145+ D-Index: 100 scientists
40 D-Index 145+

This scientist: 93 D-Index — 79th percentile

79% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 145 D-Index or more.

Research.com Recognitions

  • 1989 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1987 - Fellow of the American Academy of Arts and Sciences
  • 1981 - Fellow of John Simon Guggenheim Memorial Foundation
  • 1980 - Member of the National Academy of Sciences

Overview

Donald R. Helinski is affiliated with the University of California, San Diego in the United States. Their research work is primarily situated within the fields of Biochemistry, Genetics, and Molecular Biology, with specific contributions to the subfields of Endocrinology and Molecular Medicine.

The main topics covered in their scientific inquiries include:

  • Enterobacteriaceae and Cronobacter Research
  • Antibiotic Resistance in Bacteria
  • Escherichia coli research studies

Among the recent papers authored by Donald R. Helinski is the article titled A Brief History of Plasmids, published in 2022 in the journal EcoSal Plus. This work has accumulated a notable number of citations, reflecting its engagement within the scientific community.

Publication activity from Helinski predominantly appears in the journal EcoSal Plus, suggesting this as a frequent venue for their contributions.

Recognition of Donald R. Helinski's scientific career is indicated through numerous awards and honors, including:

  • Fellow of the American Association for the Advancement of Science (AAAS), awarded in 1989
  • Fellow of the American Academy of Arts and Sciences, awarded in 1987
  • Fellow of John Simon Guggenheim Memorial Foundation, awarded in 1981
  • Member of the National Academy of Sciences, awarded in 1980

Best Publications

  • Replication of an origin-containing derivative of plasmid RK2 dependent on a plasmid function provided in trans.

    David H. Figurski;Donald R. Helinski

  • Broad host range DNA cloning system for gram-negative bacteria: construction of a gene bank of Rhizobium meliloti.

    Gary Ditta;Sharon Stanfield;David Corbin;Donald R. Helinski

  • Firefly luciferase gene: structure and expression in mammalian cells.

    J R de Wet;K V Wood;M DeLuca;D R Helinski

  • SUPERCOILED CIRCULAR DNA-PROTEIN COMPLEX IN Escherichia coli: PURIFICATION AND INDUCED CONVERSION TO AN OPEN CIRCULAR DNA FORM

    Don B. Clewell;Donald R. Helinski

  • Plasmids related to the broad host range vector, pRK290, useful for gene cloning and for monitoring gene expression

    Gary Ditta;Thomas Schmidhauser;Emanuel Yakobson;Peter Lu

  • Transient and Stable Expression of the Firefly Luciferase Gene in Plant Cells and Transgenic Plants

    David W. Ow;Keith V. Wood;Marlene DeLuca;Jeffrey R. de Wet

  • Properties of a supercoiled deoxyribonucleic acid-protein relaxation complex and strand specificity of the relaxation event.

    Clewell Db;Helinski Dr

  • Cloning of firefly luciferase cDNA and the expression of active luciferase in Escherichia coli.

    J R de Wet;K V Wood;D R Helinski;M DeLuca

  • Plasmid ColE1 as a Molecular Vehicle for Cloning and Amplification of DNA

    Vickers Hershfield;Herbert W. Boyer;Charles Yanofsky;Michael A. Lovett

  • A HAEMOPROTEIN WITH KINASE ACTIVITY ENCODED BY THE OXYGEN SENSOR OF RHIZOBIUM MELILOTI

    Marie-Alda Gilles-Gonzalez;Gary S. Ditta;Donald R. Helinski

  • Complete nucleotide sequence of Birmingham IncP alpha plasmids. Compilation and comparative analysis.

    Werner Pansegrau;Erich Lanka;Peter T. Barth;David H. Figurski

  • Stimulation by cyclic adenosine monophosphate of plasmid deoxyribonucleic acid replication and catabolite repression of the plasmid deoxyribonucleic acid-protein relaxation complex.

    Leonard Katz;David T. Kingsbury;Donald R. Helinski

  • Plasmid Cloning Vehicles Derived from Plasmids ColE1, F, R6K, and RK2

    Michael Kahn;Roberto Kolter;Christopher Thomas;David Figurski

  • Effect of growth conditions on the formation of the relaxation complex of supercoiled ColE1 deoxyribonucleic acid and protein in Escherichia coli.

    Don B. Clewell;Donald R. Helinski

  • Circular DNA forms of colicinogenic factors E1, E2 and E3 from Escherichia coli

    Michael Bazaeal;Donald R. Helinski

  • Heme biosynthesis in Rhizobium. Identification of a cloned gene coding for delta-aminolevulinic acid synthetase from Rhizobium meliloti.

    S A Leong;G S Ditta;D R Helinski

  • Trans-complementation-dependent Replication of a Low Molecular Weight Origin Fragment From Plasmid R6K

    Roberto Kolter;Manabu Inuzuka;Donald R. Helinski

  • ParE toxin encoded by the broad‐host‐range plasmid RK2 is an inhibitor of Escherichia coli gyrase

    Yong Jiang;Joe Pogliano;Donald R. Helinski;Igor Konieczny

  • Regions of broad-host-range plasmid RK2 involved in replication and stable maintenance in nine species of gram-negative bacteria.

    Thomas J. Schmidhauser;Donald R. Helinski

  • DNA polymerase as a requirement for the maintenance of the bacterial plasmid colicinogenic factor E1.

    David T. Kingsbury;Donald R. Helinski

Frequent Co-Authors

Gary S. Ditta
Gary S. Ditta University of California, San Diego
Roberto Kolter
Roberto Kolter Harvard University
Charles Yanofsky
Charles Yanofsky Stanford University
Christopher M. Thomas
Christopher M. Thomas University of Birmingham
Don B. Clewell
Don B. Clewell University of Michigan–Ann Arbor
Donald G. Guiney
Donald G. Guiney University of California, San Diego
Kelly S. Doran
Kelly S. Doran University of Colorado Denver
Stanley N. Cohen
Stanley N. Cohen Stanford University
Grzegorz Węgrzyn
Grzegorz Węgrzyn University of Gdańsk
Michael Lovett
Michael Lovett Washington University in St. Louis

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