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Cormac G. M. Gahan

Cormac G. M. Gahan

D-Index & Metrics

Microbiology

D-Index
78
Citations
21289
World Ranking
1288
National Ranking
12

Cormac G. M. Gahan 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 Cormac G. M. Gahan 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: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 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: 185 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Cormac G. M. Gahan 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 Cormac G. M. Gahan 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: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 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: 93 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: 78 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Overview

Cormac G. M. Gahan is affiliated with University College Cork in Ireland and has a significant body of research mainly concentrated in the fields of Biochemistry, Genetics and Molecular Biology, and Medicine. Their academic contributions extend across 48 publications in Biochemistry and Molecular Biology and 22 in Medicine, with a specialized focus on Molecular Biology, Food Science, Biotechnology, Infectious Diseases, and Oncology.

Their research covers various main topics, including gut microbiota and health, probiotics and fermented foods, and Listeria monocytogenes in food safety. Other important areas of study are viral gastroenteritis research and epidemiology, bacterial biofilms and quorum sensing, drug transport and resistance mechanisms, and research on Clostridium difficile and Clostridium perfringens.

Frequent frequent collaborators in their research include Silvia Melgar, María Ángeles Núñez-Sánchez, Cara M. Hueston, Natalia García-González, and Jack Daly. These co-authors have been involved in multiple joint publications, signaling ongoing research partnerships.

Many of Cormac G. M. Gahan's publications have appeared in venues such as Zenodo (CERN European Organization for Nuclear Research), Frontiers in Microbiology, Gut Microbes, Annual Review of Food Science and Technology, and Microorganisms. Zenodo hosts the largest number of their works, with 12 publications, followed by Frontiers in Microbiology with 5, and Gut Microbes with 4.

Selected recent papers include:

  • When Rhythms Meet the Blues: Circadian Interactions with the Microbiota-Gut-Brain Axis, 2020, Cell Metabolism
  • Beneficial bile acid metabolism from Lactobacillus plantarum of food origin, 2020, Scientific Reports
  • Mouse models for bacterial enteropathogen infections: insights into the role of colonization resistance, 2023, Gut Microbes
  • The Influence of the Western Diet on Microbiota and Gastrointestinal Immunity, 2022, Annual Review of Food Science and Technology
  • Quorum sensing in human gut and food microbiomes: Significance and potential for therapeutic targeting, 2022, Frontiers in Microbiology

Best Publications

  • The interaction between bacteria and bile

    Máire Begley;Cormac G.M. Gahan;Colin Hill

  • Bile salt hydrolase activity in probiotics.

    Máire Begley;Colin Hill;Cormac G. M. Gahan

  • Functional and comparative metagenomic analysis of bile salt hydrolase activity in the human gut microbiome

    Brian V. Jones;Máire Begley;Colin Hill;Cormac G. M. Gahan

  • Bacteriocin production as a mechanism for the antiinfective activity of Lactobacillus salivarius UCC118

    Sinéad C. Corr;Yin Li;Christian U. Riedel;Paul W. O'Toole

  • Regulation of host weight gain and lipid metabolism by bacterial bile acid modification in the gut.

    Susan A. Joyce;John MacSharry;Patrick G. Casey;Michael Kinsella

  • Adaptive acid tolerance response in Listeria monocytogenes: isolation of an acid-tolerant mutant which demonstrates increased virulence

    B. O'driscoll;C. G. M. Gahan;C. Hill

  • Interactions between gut bacteria and bile in health and disease.

    Sarah L. Long;Cormac G.M. Gahan;Susan A. Joyce

  • A glutamate decarboxylase system protects Listeria monocytogenes in gastric fluid.

    Paul D. Cotter;Cormac G. M. Gahan;Colin Hill

  • M-cells: origin, morphology and role in mucosal immunity and microbial pathogenesis

    Sinead C. Corr;Cormac C.G.M. Gahan;Colin Hill

  • Acid adaptation of Listeria monocytogenes can enhance survival in acidic foods and during milk fermentation.

    C. G. M. Gahan;B. O'driscoll;C. Hill

  • Microbiota-related Changes in Bile Acid & Tryptophan Metabolism are Associated with Gastrointestinal Dysfunction in a Mouse Model of Autism.

    Anna V. Golubeva;Susan A. Joyce;Gerard M. Moloney;Aurelijus Burokas

  • Contribution of Three Bile-Associated Loci, bsh, pva, and btlB, to Gastrointestinal Persistence and Bile Tolerance of Listeria monocytogenes

    Máire Begley;Roy D. Sleator;Cormac G. M. Gahan;Colin Hill

  • Microbial bile salt hydrolases mediate the efficacy of faecal microbiota transplant in the treatment of recurrent Clostridioides difficile infection.

    Benjamin H Mullish;Julie A K McDonald;Alexandros Pechlivanis;Jessica R Allegretti

  • Tools for Functional Postgenomic Analysis of Listeria monocytogenes

    Ian R. Monk;Cormac G. M. Gahan;Colin Hill

  • Bacterial stress response in Listeria monocytogenes: jumping the hurdles imposed by minimal processing

    Colin Hill;Paul D Cotter;Roy D Sleator;Cormac G.M Gahan

  • Bile stress response in Listeria monocytogenes LO28: adaptation, cross-protection, and identification of genetic loci involved in bile resistance.

    Máire Begley;Cormac G. M. Gahan;Colin Hill

  • Molecular characterization of the arginine deiminase system in Listeria monocytogenes: regulation and role in acid tolerance.

    Sheila Ryan;Máire Begley;Máire Begley;Cormac G. M. Gahan;Colin Hill

  • AgrD-dependent quorum sensing affects biofilm formation, invasion, virulence and global gene expression profiles in Listeria monocytogenes

    Christian U. Riedel;Ian R. Monk;Pat G. Casey;Mark S. Waidmann

  • Bile Acid Modifications at the Microbe-Host Interface: Potential for Nutraceutical and Pharmaceutical Interventions in Host Health.

    Susan A. Joyce;Cormac G.M. Gahan

  • Identification and disruption of lisRK, a genetic locus encoding a two-component signal transduction system involved in stress tolerance and virulence in Listeria monocytogenes.

    Paul D. Cotter;Nathan Emerson;Cormac G. M. Gahan;Colin Hill

  • Human microbiota in health and disease

    W.M. de Vos;L. Engstrand;L. Drago;G. Reid

Frequent Co-Authors

Colin Hill
Colin Hill University College Cork
Roy D. Sleator
Roy D. Sleator Munster Technological University
Paul D. Cotter
Paul D. Cotter University College Cork
Fergus Shanahan
Fergus Shanahan National University of Ireland
Tjakko Abee
Tjakko Abee Wageningen University & Research
Catherine Stanton
Catherine Stanton Teagasc - The Irish Agriculture and Food Development Authority
Julian R. Marchesi
Julian R. Marchesi Imperial College London
Matthias Eberl
Matthias Eberl Cardiff University
John Kevin Collins
John Kevin Collins University College Cork
Olivia McAuliffe
Olivia McAuliffe Teagasc - The Irish Agriculture and Food Development Authority

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