World's Best Scientists 2026 revealed!
Richard G. Brennan

Richard G. Brennan

D-Index & Metrics

Molecular Biology

D-Index
71
Citations
21243
World Ranking
1364
National Ranking
692

Richard G. Brennan 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 Richard G. Brennan 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: 188 publications — 54th percentile

54% of scientists in this discipline score the same or lower.

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

Richard G. Brennan 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 Richard G. Brennan 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: 71 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

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

Overview

Richard G. Brennan is affiliated with Duke University in the United States. Their research primarily focuses on the fields of Biochemistry, Genetics and Molecular Biology, as well as Medicine. Within these broad areas, Brennan has worked extensively in subfields including Molecular Biology, Epidemiology, Genetics, Infectious Diseases, and Microbiology.

The scientist's work covers several key topics, such as:

  • Bacterial Genetics and Biotechnology
  • Bacteriophages and microbial interactions
  • Fungal Infections and Studies
  • RNA and protein synthesis mechanisms
  • Vibrio bacteria research studies
  • Reproductive tract infections research
  • Antifungal resistance and susceptibility

Brennan has contributed to numerous research papers, with recent publications including the following:

  • "When is a transcription factor a NAP?" (2020, Current Opinion in Microbiology)
  • "The nucleotide messenger (p)ppGpp is an anti-inducer of the purine synthesis transcription regulator PurR in Bacillus" (2021, Nucleic Acids Research)
  • "Crystal structure of an Escherichia coli Hfq Core (residues 2-69)-DNA complex reveals multifunctional nucleic acid binding sites" (2020, Nucleic Acids Research)
  • "Molecular dissection of the glutamine synthetase-GlnR nitrogen regulatory circuitry in Gram-positive bacteria" (2022, Nature Communications)
  • "Structural Basis for Virulence Activation of Francisella tularensis" (2020, Molecular Cell)

The frequent venues for Brennan's publications include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Eastern Mediterranean Health Journal
  • Nucleic Acids Research
  • Current Opinion in Microbiology
  • Nature Communications

Collaborations have been a consistent part of Brennan's work, with frequent co-authors including:

  • Maria A. Schumacher
  • E. Washington
  • Abdinasir Abubakar
  • Mario J. Borgnia
  • Grace A. Beggs

Best Publications

  • Nuclear protein CBP is a coactivator for the transcription factor CREB

    Roland P. S. Kwok;James R. Lundblad;John C. Chrivia;Jane P. Richards

  • The TetR Family of Transcriptional Repressors

    Juan L. Ramos;Manuel Martínez-Bueno;Antonio J. Molina-Henares;Wilson Terán

  • Crystal structure of the lactose operon repressor and its complexes with DNA and inducer.

    Mitchell Lewis;Geoffrey Chang;Nancy C. Horton;Michele A. Kercher

  • The helix-turn-helix DNA binding motif.

    R G Brennan;B W Matthews

  • Hfq: a bacterial Sm-like protein that mediates RNA-RNA interaction.

    Thorleif Møller;Thomas Franch;Peter Højrup;Douglas R Keene

  • Interaction of the regulatory subunit (RII) of cAMP-dependent protein kinase with RII-anchoring proteins occurs through an amphipathic helix binding motif.

    Daniel W. Carr;Renata E. Stofko-Hahn;Iain D C Fraser;Sarah M. Bishop

  • Structures of the pleiotropic translational regulator Hfq and an Hfq–RNA complex: a bacterial Sm‐like protein

    Maria A. Schumacher;Robert F. Pearson;Thorleif Møller;Poul Valentin‐Hansen

  • Crystal structure of LacI member, PurR, bound to DNA: minor groove binding by alpha helices

    Maria A. Schumacher;Kang Yell Choi;Howard Zalkin;Richard G. Brennan

  • Hfq structure, function and ligand binding.

    Richard G Brennan;Todd M Link

  • Structural Mechanisms of QacR Induction and Multidrug Recognition

    Maria A. Schumacher;Marshall C. Miller;Steve Grkovic;Melissa H. Brown

  • Structure of Escherichia coli Hfq bound to polyriboadenylate RNA

    Todd M. Link;Poul Valentin-Hansen;Richard G. Brennan

  • Molecular Mechanisms of HipA-Mediated Multidrug Tolerance and Its Neutralization by HipB

    Maria A. Schumacher;Kevin M. Piro;Weijun Xu;Sonja Hansen

  • Escherichia coli biotin holoenzyme synthetase/bio repressor crystal structure delineates the biotin- and DNA-binding domains.

    Keith P. Wilson;Lisa M. Shewchuk;Richard G. Brennan;Anthony J. Otsuka

  • Crystal structure of the transcription activator BmrR bound to DNA and a drug.

    Ekaterina E. Zheleznova Heldwein;Richard G. Brennan

  • Structure of an OhrR-ohrA Operator Complex Reveals the DNA Binding Mechanism of the MarR Family

    Minsun Hong;Mayuree Fuangthong;John D. Helmann;Richard G. Brennan

  • The winged-helix DNA-binding motif: Another helix-turn-helix takeoff

    Richard G. Brennan

  • Structural basis for cooperative DNA binding by two dimers of the multidrug-binding protein QacR

    Maria A. Schumacher;Marshall C. Miller;Steve Grkovic;Melissa H. Brown

  • Glutathione activates virulence gene expression of an intracellular pathogen

    Michelle L. Reniere;Aaron T. Whiteley;Keri L. Hamilton;Sonya M. John

  • Prokaryotic transcription regulators: more than just the helix-turn-helix motif.

    Joy L Huffman;Richard G Brennan

  • Structural basis of multidrug recognition by BmrR, a transcription activator of a multidrug transporter.

    Ekaterina E. Zheleznova;Penelope N. Markham;Alexander A. Neyfakh;Richard G. Brennan

Frequent Co-Authors

Maria A. Schumacher
Maria A. Schumacher Duke University
Howard Zalkin
Howard Zalkin Purdue University West Lafayette
Wolfgang Hillen
Wolfgang Hillen University of Erlangen-Nuremberg
Buddy Ullman
Buddy Ullman Oregon Health & Science University
Melissa H. Brown
Melissa H. Brown Flinders University
Richard H. Goodman
Richard H. Goodman Oregon Health & Science University
James M. Musser
James M. Musser Houston Methodist
Mark J. Buttner
Mark J. Buttner Norwich Research Park
Ronald A. Skurray
Ronald A. Skurray University of Sydney
John D. Helmann
John D. Helmann Cornell University

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