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Paula M. O'Connor

D-Index & Metrics

Biology and Biochemistry

D-Index
54
Citations
8605
World Ranking
15794
National Ranking
64

Paula M. O'Connor 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 Paula M. O'Connor 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: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 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: 417 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: 196 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: 59 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: 130 publications — 17th percentile

17% of scientists in this discipline score the same or lower.

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

Paula M. O'Connor 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 Paula M. O'Connor sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 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: 71 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: 54 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

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

Overview

Paula M. O'Connor is affiliated with Teagasc - The Irish Agriculture and Food Development Authority in Ireland. Their research primarily spans the fields of Biochemistry, Genetics and Molecular Biology as well as Agricultural and Biological Sciences. Within these disciplines, their work focuses notably on Food Science, Molecular Biology, Microbiology, Infectious Diseases, and Biotechnology.

The scientist has contributed extensively to topics including:

  • Probiotics and Fermented Foods
  • Gut microbiota and health
  • Genomics and Phylogenetic Studies
  • Antimicrobial Peptides and Activities
  • Biochemical and Structural Characterization
  • Clostridium difficile and Clostridium perfringens research
  • Milk Quality and Mastitis in Dairy Cows

Frequent coauthors in their work include:

  • R. Paul Ross
  • Colin Hill
  • Paul D. Cotter
  • Des Field
  • Catherine Stanton

O'Connor has published multiple papers, with notable recent contributions such as:

  • "Antimicrobials for food and feed; a bacteriocin perspective" (2020) in Current Opinion in Biotechnology
  • "First evidence of production of the lantibiotic nisin P" (2020) in Scientific Reports
  • "Production of multiple bacteriocins, including the novel bacteriocin gassericin M, by Lactobacillus gasseri LM19, a strain isolated from human milk" (2020) in Applied Microbiology and Biotechnology
  • "Diverse Bacteriocins Produced by Strains From the Human Milk Microbiota" (2020) in Frontiers in Microbiology
  • "Extensive bacteriocin gene shuffling in the Streptococcus bovis/Streptococcus equinus complex reveals gallocin D with activity against vancomycin resistant enterococci" (2020) in Scientific Reports

The scientist's research appears frequently in venues such as Scientific Reports, Frontiers in Microbiology, Gut Microbes, Clinical Lymphoma Myeloma & Leukemia, and Drug Delivery and Translational Research.

Best Publications

  • Thuricin CD, a posttranslationally modified bacteriocin with a narrow spectrum of activity against Clostridium difficile

    Mary C. Rea;Clarissa S. Sit;Evelyn Clayton;Paula M. O'Connor

  • Isolation and analysis of bacteria with antimicrobial activities from the marine sponge haliclona simulans collected from irish waters

    Jonathan Kennedy;Paul J. Baker;Clare Piper;Paul D. Cotter

  • Bioengineered Nisin A Derivatives with Enhanced Activity against Both Gram Positive and Gram Negative Pathogens

    Des Field;Maire Begley;Paula M. O’Connor;Karen M. Daly

  • Antimicrobial activity of lacticin 3147 against clinical Clostridium difficile strains

    Mary C. Rea;Mary C. Rea;Evelyn Clayton;Evelyn Clayton;Paula M. O'Connor;Paula M. O'Connor;Fergus Shanahan

  • The Effect of Fat Content on the Microbiology and Proteolysis in Cheddar Cheese During Ripening

    M.A. Fenelon;P. O’Connor;T.P. Guinee

  • Isolation and characterization of bioactive pro-peptides with in vitro renin inhibitory activities from the macroalga Palmaria palmata.

    Ciarán Fitzgerald;Leticia Mora-Soler;Leticia Mora-Soler;Eimear Gallagher;Paula O'Connor

  • Use of Hydrostatic Pressure for Inactivation of Microbial Contaminants in Cheese

    Ciara E. O'Reilly;Paula M. O'Connor;Alan L. Kelly;Thomas P. Beresford

  • Antimicrobials for food and feed; a bacteriocin perspective

    Paula M O’Connor;Taís M Kuniyoshi;Ricardo Ps Oliveira;Colin Hill

  • Comparison of the principal proteins in bovine, caprine, buffalo, equine and camel milk.

    Katharina Hinz;Paula M O'Connor;Thom Huppertz;R Paul Ross

  • Complete alanine scanning of the two‐component lantibiotic lacticin 3147: generating a blueprint for rational drug design

    Paul D. Cotter;Lucy H. Deegan;Elaine M. Lawton;Lorraine A. Draper

  • Identification of novel dipeptidyl peptidase-IV and angiotensin-I-converting enzyme inhibitory peptides from meat proteins using in silico analysis.

    Tomas Lafarga;Paula O’Connor;Maria Hayes

  • Posttranslational conversion of L-serines to D-alanines is vital for optimal production and activity of the lantibiotic lacticin 3147.

    Paul D. Cotter;Paula M. O'Connor;Lorraine A. Draper;Elaine M. Lawton

  • Sequential Actions of the Two Component Peptides of the Lantibiotic Lacticin 3147 Explain Its Antimicrobial Activity at Nanomolar Concentrations

    Sheila M. Morgan;Paula M. O'Connor;Paul D. Cotter;R. Paul Ross

  • Human skin microbiota is a rich source of bacteriocin-producing staphylococci that kill human pathogens.

    Julie N O'Sullivan;Julie N O'Sullivan;Mary C Rea;Mary C Rea;Paula M O'Connor;Paula M O'Connor;Colin Hill

  • The effect of strain of Holstein-Friesian cow and feeding system on postpartum ovarian function, animal production and conception rate to first service.

    B. Horan;J.F. Mee;P. O’Connor;M. Rath

  • Economic comparison of divergent strains of Holstein-Friesian cows in various pasture-based production systems.

    S. McCarthy;B. Horan;P. Dillon;P. O’Connor

  • Studies with bioengineered Nisin peptides highlight the broad‐spectrum potency of Nisin V

    Des Field;Lisa Quigley;Paula M. O'Connor;Mary C. Rea

  • Inhibitory activity of Lactobacillus plantarum LMG P-26358 against Listeria innocua when used as an adjunct starter in the manufacture of cheese

    Susan Mills;L Mariela Serrano;Carmel Griffin;Paula M O'Connor

  • Subtilomycin: A New Lantibiotic from Bacillus subtilis Strain MMA7 Isolated from the Marine Sponge Haliclona simulans

    Robert W Phelan;Matthieu Barret;Paul D Cotter;Paula M O'Connor

  • Comparison of the activities of the lantibiotics nisin and lacticin 3147 against clinically significant mycobacteria.

    James Carroll;Lorraine A. Draper;Paula M. O’Connor;Aidan Coffey

Frequent Co-Authors

R. Paul Ross
R. Paul Ross University College Cork
Paul D. Cotter
Paul D. Cotter University College Cork
Colin Hill
Colin Hill University College Cork
Mary C. Rea
Mary C. Rea Teagasc - The Irish Agriculture and Food Development Authority
Catherine Stanton
Catherine Stanton Teagasc - The Irish Agriculture and Food Development Authority
Orla O'Sullivan
Orla O'Sullivan Teagasc - The Irish Agriculture and Food Development Authority
Alan L. Kelly
Alan L. Kelly University College Cork
Gerald F. Fitzgerald
Gerald F. Fitzgerald University College Cork
Aidan Coffey
Aidan Coffey Munster Technological University
Pat Dillon
Pat Dillon Teagasc - The Irish Agriculture and Food Development Authority

External Links

Personal website of Paula M. O'Connor Google Scholar page

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Best Scientists Citing Paula M. O'Connor

Paul D. Cotter

Paul D. Cotter

University College Cork

Publications: 119

R. Paul Ross

R. Paul Ross

University College Cork

Publications: 115

Colin Hill

Colin Hill

University College Cork

Publications: 105

Wilfred A. van der Donk

Wilfred A. van der Donk

University of Illinois at Urbana-Champaign

Publications: 54

Catherine Stanton

Catherine Stanton

Teagasc - The Irish Agriculture and Food Development Authority

Publications: 49

Mary C. Rea

Mary C. Rea

Teagasc - The Irish Agriculture and Food Development Authority

Publications: 42

Paul L.H. McSweeney

Paul L.H. McSweeney

University College Cork

Publications: 32

Donagh P. Berry

Donagh P. Berry

Teagasc - The Irish Agriculture and Food Development Authority

Publications: 31

Alan L. Kelly

Alan L. Kelly

University College Cork

Publications: 29

Laurence Shalloo

Laurence Shalloo

Teagasc - The Irish Agriculture and Food Development Authority

Publications: 26

Alan D. W. Dobson

Alan D. W. Dobson

University College Cork

Publications: 25

Oscar P. Kuipers

Oscar P. Kuipers

University of Groningen

Publications: 24

Rotimi E. Aluko

Rotimi E. Aluko

University of Manitoba

Publications: 24

John R. Roche

John R. Roche

University of Auckland

Publications: 21

Orla O'Sullivan

Orla O'Sullivan

Teagasc - The Irish Agriculture and Food Development Authority

Publications: 20

Richard J. FitzGerald

Richard J. FitzGerald

University of Limerick

Publications: 20

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