World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
48
Citations
11003
World Ranking
18268
National Ranking
7465

Deborah A. O'Brien 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 Deborah A. O'Brien 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: 103 publications — 6th percentile

6% of scientists in this discipline score the same or lower.

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

Deborah A. O'Brien 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 Deborah A. O'Brien 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: 48 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Overview

Deborah A. O'Brien is affiliated with the University of North Carolina at Chapel Hill in the United States. Their research contributions span the fields of Biochemistry, Genetics and Molecular Biology, as well as Medicine. Specifically, their work touches on several subfields, including Molecular Biology, Reproductive Medicine, Public Health, Environmental and Occupational Health, Genetics, and Insect Science.

The scientist has focused on a range of topics linked primarily to reproductive biology and genetics. Notable research themes include:

  • Sperm and Testicular Function
  • Reproductive Biology and Fertility
  • Animal Genetics and Reproduction
  • Genomic Variations and Chromosomal Abnormalities
  • Epigenetics and DNA Methylation
  • Genomics and Chromatin Dynamics
  • Viral Infectious Diseases and Gene Expression in Insects

O'Brien's recent publications reflect these interests and were primarily published through UNC Libraries. Selected works include:

  • Metabolic Substrates Exhibit Differential Effects on Functional Parameters of Mouse Sperm Capacitation, 2020, UNC Libraries
  • A Multi-Megabase Copy Number Gain Causes Maternal Transmission Ratio Distortion on Mouse Chromosome 2, 2020, UNC Libraries
  • Classification of Mouse Sperm Motility Patterns Using an Automated Multiclass Support Vector Machines Model, 2020, UNC Libraries
  • Recombinant human sperm-specific glyceraldehyde-3-phosphate dehydrogenase (GAPDHS) is expressed at high yield as an active homotetramer in baculovirus-infected insect cells, 2020, UNC Libraries
  • The Founder Strains of the Collaborative Cross Express a Complex Combination of Advantageous and Deleterious Traits for Male Reproduction, 2020, UNC Libraries

Frequent collaborators in O'Brien's research include Summer G. Goodson, Polina V. Danshina, Timothy A. Bell, David L. Aylor, and Leonard McMillan. These coauthors have collaborated on multiple projects, contributing to the overall scope of the scientist's research output.

Most of O'Brien's scholarly activity has been disseminated via UNC Libraries, which accounts for the majority of their publications. The research engages deeply with genetic and molecular aspects of reproductive biology, integrating computational modeling, molecular techniques, and genetic analysis to advance understanding of sperm function and reproductive traits.

Best Publications

  • Spermatogenic cells of the prepuberal mouse. Isolation and morphological characterization.

    AR Bellve;JC Cavicchia;CF Millette;DA O'Brien

  • Male–female differences in fertility and blood pressure in ACE-deficient mice

    J. H. Krege;S. W. M. John;L. L. Langenbach;J. B. Hodgin

  • The genome architecture of the collaborative cross mouse genetic reference population

    Fuad A. Iraqi;Mustafa Mahajne;Yasser Salaymah;Hani Sandovski

  • GLYCERALDEHYDE 3-PHOSPHATE DEHYDROGENASE-S, A SPERM-SPECIFIC GLYCOLYTIC ENZYME, IS REQUIRED FOR SPERM MOTILITY AND MALE FERTILITY

    Kiyoshi Miki;Weidong Qu;Weidong Qu;Eugenia H. Goulding;William D. Willis

  • Fibrous sheath of mammalian spermatozoa.

    Edward M. Eddy;Kiyotaka Toshimori;Deborah A. O'Brien

  • Dissociation of the mouse testis and characterization of isolated spermatogenic cells.

    A R Bellvé;C F Millette;Y M Bhatnagar;D A O'Brien

  • Angiotensin-converting enzyme and male fertility

    John R. Hagaman;Jeffrey S. Moyer;Eric S. Bachman;Mathilde Sibony

  • Functional Collaboration between Different Cyclin-Dependent Kinase Inhibitors Suppresses Tumor Growth with Distinct Tissue Specificity

    David S. Franklin;Virginia L. Godfrey;Deborah A. O'Brien;Chuxia Deng

  • Phosphoglycerate Kinase 2 (PGK2) Is Essential for Sperm Function and Male Fertility in Mice

    Polina V. Danshina;Christopher B. Geyer;Qunsheng Dai;Eugenia H. Goulding

  • Gene expression during mammalian meiosis.

    E.M. Eddy;Deborah A. O'Brien

  • Multiple Glycolytic Enzymes Are Tightly Bound to the Fibrous Sheath of Mouse Spermatozoa

    Michelle Krisfalusi;Kiyoshi Miki;Patricia L. Magyar;Deborah A. O'Brien

  • Germ cell survival through carbohydrate-mediated interaction with Sertoli cells.

    Tomoya O. Akama;Hiroaki Nakagawa;Kazuhiro Sugihara;Sonoko Narisawa

  • Glyceraldehyde 3-phosphate dehydrogenase-S protein distribution during mouse spermatogenesis.

    Donna O'Dell Bunch;Jeffrey E. Welch;Patricia L. Magyar;E. M. Eddy

  • Human glyceraldehyde 3-phosphate dehydrogenase-2 gene is expressed specifically in spermatogenic cells.

    Jeffrey E. Welch;Paula L. Brown;Deborah A. O'brien;Patricia L. Magyar

  • Classification of mouse sperm motility patterns using an automated multiclass support vector machines model.

    Summer G. Goodson;Zhaojun Zhang;James K. Tsuruta;Wei Wang

  • Failure of spermatogenesis in mouse lines deficient in the Na+-K+- 2Cl- cotransporter

    Amy J. Pace;Eddie Lee;Krairek Athirakul;Thomas M. Coffman

  • Expression of a glyceraldehyde 3-phosphate dehydrogenase gene specific to mouse spermatogenic cells

    J E Welch;E C Schatte;D A O'Brien;D A O'Brien;E M Eddy

  • Expression of heat shock proteins by isolated mouse spermatogenic cells

    R L Allen;D A O'Brien;C C Jones;D L Rockett

  • A novel hsp70-like protein (P70) is present in mouse spermatogenic cells.

    R L Allen;D A O'Brien;E M Eddy

  • Metabolic Substrates Exhibit Differential Effects on Functional Parameters of Mouse Sperm Capacitation

    Summer G. Goodson;Yunping Qiu;Keith A. Sutton;Guoxiang Xie

Frequent Co-Authors

Edward M. Eddy
Edward M. Eddy National Institutes of Health
Fernando Pardo-Manuel de Villena
Fernando Pardo-Manuel de Villena University of North Carolina at Chapel Hill
Leonard McMillan
Leonard McMillan University of North Carolina at Chapel Hill
Elissa J. Chesler
Elissa J. Chesler University of Tennessee at Knoxville
Daniel Pomp
Daniel Pomp University of North Carolina at Chapel Hill
Kent W. Hunter
Kent W. Hunter National Institutes of Health
George M. Weinstock
George M. Weinstock The Jackson Laboratory
David W. Threadgill
David W. Threadgill Texas A&M University
Patrick F. Sullivan
Patrick F. Sullivan University of North Carolina at Chapel Hill
Gary A. Churchill
Gary A. Churchill The Jackson Laboratory

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