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Gerald F. Fitzgerald

Gerald F. Fitzgerald

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Microbiology
Ireland
2026

D-Index & Metrics

Microbiology

D-Index
120
Citations
56969
World Ranking
140
National Ranking
4

Gerald F. Fitzgerald publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Gerald F. Fitzgerald sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 424 publications — 91st percentile

91% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Gerald F. Fitzgerald D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Gerald F. Fitzgerald sits on this spectrum.

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 94 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 120 D-Index — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Microbiology in Ireland Leader Award
  • 2025 - Research.com Microbiology in Ireland Leader Award

Overview

Gerald F. Fitzgerald is affiliated with University College Cork in Ireland. Their research spans multiple fields, primarily within biochemistry, genetics, and molecular biology, with further work in agricultural and biological sciences and environmental science.

The main fields of study in Gerald F. Fitzgerald's research include:

  • Biochemistry, Genetics and Molecular Biology
  • Agricultural and Biological Sciences
  • Environmental Science

Their work also covers a variety of subfields such as:

  • Molecular Biology
  • Ecology
  • Food Science
  • Agronomy and Crop Science
  • Genetics

Gerald F. Fitzgerald's research topics focus on several biological and microbiological areas including:

  • Bacteriophages and microbial interactions
  • Genomics and Phylogenetic Studies
  • RNA and protein synthesis mechanisms
  • Probiotics and Fermented Foods
  • Milk Quality and Mastitis in Dairy Cows
  • Digestive system and related health

Their recent published paper is titled Bacteriophage-host interactions in Streptococcus thermophilus and their impact on co-evolutionary processes (2023), which appeared in FEMS Microbiology Reviews. This publication reflects interests in the dynamics between bacteriophages and their bacterial hosts and the evolutionary processes involved.

Frequent co-authors collaborating with Gerald F. Fitzgerald include:

  • Katherine Lavelle
  • Brian McDonnell
  • Douwe van Sinderen
  • Jennifer Mahony
  • Jeremiah J. Sheehan

Publications are predominantly found in the journal FEMS Microbiology Reviews, where Fitzgerald has contributed at least one paper. Their research contributions do not include book publications to date.

Best Publications

  • Gut microbiota composition correlates with diet and health in the elderly

    Marcus J. Claesson;Ian B. Jeffery;Susana Conde;Susan E. Power

  • Composition, variability, and temporal stability of the intestinal microbiota of the elderly

    Marcus J. Claesson;Siobhán Cusack;Orla O'Sullivan;Rachel Greene-Diniz

  • Food fermentations: role of microorganisms in food production and preservation.

    Elizabeth Caplice;Gerald F Fitzgerald

  • Fatty acids from fish: the anti-inflammatory potential of long-chain omega-3 fatty acids

    Rebecca Wall;R Paul Ross;Gerald F Fitzgerald;Catherine Stanton

  • Genomics of Actinobacteria: Tracing the Evolutionary History of an Ancient Phylum

    Marco Ventura;Carlos Canchaya;Andreas Tauch;Govind Chandra

  • γ-Aminobutyric acid production by culturable bacteria from the human intestine.

    E. Barrett;R.P. Ross;R.P. Ross;P.W. O'Toole;G.F. Fitzgerald

  • In vitro selection criteria for probiotic bacteria of human origin: correlation with in vivo findings

    C Dunne;L O'Mahony;L Murphy;G Thornton

  • Health Implications of High Dietary Omega-6 Polyunsaturated Fatty Acids

    E. Patterson;Rebecca Wall;G. F. Fitzgerald;R. P. Ross

  • The complex microbiota of raw milk

    Lisa Quigley;Lisa Quigley;Orla O'Sullivan;Catherine Stanton;Tom P. Beresford

  • Carbohydrate metabolism in Bifidobacteria.

    Karina Pokusaeva;Karina Pokusaeva;Gerald F. Fitzgerald;Douwe van Sinderen

  • Fermented functional foods based on probiotics and their biogenic metabolites

    Catherine Stanton;R Paul Ross;R Paul Ross;Gerald F Fitzgerald;Douwe Van Sinderen

  • Survival of probiotic lactobacilli in acidic environments is enhanced in the presence of metabolizable sugars.

    B. M. Corcoran;C. Stanton;G. F. Fitzgerald;R. P. Ross

  • Probiotics: from myth to reality. Demonstration of functionality in animal models of disease and in human clinical trials.

    Colum Dunne;Lisa Murphy;Sarah Flynn;Liam O'Mahony

  • Market potential for probiotics.

    Catherine Stanton;Gillian Gardiner;Hillary Meehan;Kevin Collins

  • Evaluation of a Cocktail of Three Bacteriophages for Biocontrol of Escherichia coli O157:H7

    G. O'Flynn;G. O'Flynn;R. P. Ross;G. F. Fitzgerald;Aidan Coffey

  • Bioactive peptides from muscle sources: meat and fish.

    Joseph Thomas Ryan;Reynolds Paul Ross;Declan Bolton;Gerald F. Fitzgerald

  • Intestinal microbiota, diet and health.

    Susan E. Power;Paul W. O'Toole;Catherine Stanton;R. Paul Ross

  • High-Throughput Sequencing Reveals the Incomplete, Short-Term Recovery of Infant Gut Microbiota following Parenteral Antibiotic Treatment with Ampicillin and Gentamicin

    Fiona Fouhy;Caitriona M. Guinane;Seamus Hussey;Rebecca Wall

  • Gut microbiota, obesity and diabetes

    Elaine Patterson;Paul M Ryan;John F Cryan;Timothy G Dinan

  • Comparative survival rates of human-derived probiotic Lactobacillus paracasei and L. salivarius strains during heat treatment and spray drying.

    G. E. Gardiner;E. O'Sullivan;J. Kelly;M. A. E. Auty

  • Comparative survival of probiotic lactobacilli spray-dried in the presence of prebiotic substances

    B.M. Corcoran;R.P. Ross;G.F. Fitzgerald;C. Stanton

Frequent Co-Authors

Catherine Stanton
Catherine Stanton Teagasc - The Irish Agriculture and Food Development Authority
R. Paul Ross
R. Paul Ross University College Cork
Douwe van Sinderen
Douwe van Sinderen University College Cork
Colin Hill
Colin Hill University College Cork
Aidan Coffey
Aidan Coffey Munster Technological University
Paul D. Cotter
Paul D. Cotter University College Cork
Marco Ventura
Marco Ventura University of Parma
Paul W. O'Toole
Paul W. O'Toole University College Cork
Orla O'Sullivan
Orla O'Sullivan Teagasc - The Irish Agriculture and Food Development Authority
Olivia McAuliffe
Olivia McAuliffe Teagasc - The Irish Agriculture and Food Development Authority

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