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Neuroscience
Ireland
2026

D-Index & Metrics

Neuroscience

D-Index
91
Citations
47939
World Ranking
1047
National Ranking
1

Research.com Recognitions

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

Overview

Gerard Clarke is affiliated with University College Cork in Ireland and has focused their research primarily within the fields of Medicine, Neuroscience, and Biochemistry, Genetics and Molecular Biology. Their work includes significant contributions to Molecular Biology, Physiology, Biological Psychiatry, Behavioral Neuroscience, and Gastroenterology.

Their research topics broadly cover areas such as gut microbiota and health, tryptophan and brain disorders, diet and metabolism studies, stress responses and cortisol, gastrointestinal motility and disorders, neuroendocrine regulation and behavior, and Clostridium difficile and Clostridium perfringens research.

Recent publications by Gerard Clarke include the following papers:

  • Diet and depression: exploring the biological mechanisms of action (2020, Molecular Psychiatry)
  • The blood-brain barrier in aging and neurodegeneration (2022, Molecular Psychiatry)
  • Short chain fatty acids: Microbial metabolites for gut-brain axis signalling (2022, Molecular and Cellular Endocrinology)
  • Reporting guidelines for human microbiome research: the STORMS checklist (2021, Nature Medicine)
  • Diet and the Microbiota-Gut-Brain Axis: Sowing the Seeds of Good Mental Health (2020, Advances in Nutrition)

Frequent co-authors collaborating with Gerard Clarke include:

  • John F. Cryan
  • Timothy G. Dinan
  • Thomaz F. S. Bastiaanssen
  • Siobhain M. O'Mahony
  • Catherine Stanton

Their work has been published regularly in a number of scholarly venues, with several papers appearing in Neuroscience Applied, HRB Open Research, Molecular Psychiatry, Brain Behavior and Immunity, and bioRxiv (Cold Spring Harbor Laboratory).

Best Publications

  • The Microbiota-Gut-Brain Axis

    John F Cryan;Kenneth J O'Riordan;Caitlin S M Cowan;Kiran V Sandhu

  • Serotonin, tryptophan metabolism and the brain-gut-microbiome axis.

    S.M. O’Mahony;G. Clarke;Y.E. Borre;T.G. Dinan

  • The microbiome-gut-brain axis during early life regulates the hippocampal serotonergic system in a sex-dependent manner

    G Clarke;S Grenham;P Scully;P Fitzgerald

  • Transferring the blues: Depression-associated gut microbiota induces neurobehavioural changes in the rat.

    John R Kelly;Yuliya Borre;Ciaran O' Brien;Ciaran O' Brien;Elaine Patterson;Elaine Patterson

  • Minireview: Gut Microbiota: The Neglected Endocrine Organ

    Gerard Clarke;Roman M. Stilling;Paul J. Kennedy;Catherine Stanton;Catherine Stanton

  • Microbiota and neurodevelopmental windows: implications for brain disorders

    Yuliya E. Borre;Gerard W. O’Keeffe;Gerard Clarke;Catherine Stanton

  • Effects of the probiotic Bifidobacterium infantis in the maternal separation model of depression.

    L. Desbonnet;L. Garrett;G. Clarke;B. Kiely

  • Breaking down the barriers: the gut microbiome, intestinal permeability and stress-related psychiatric disorders

    John R. Kelly;Paul J. Kennedy;John F. Cryan;Timothy G. Dinan

  • Brain–Gut–Microbe Communication in Health and Disease

    Sue Grenham;Gerard Clarke;John F. Cryan;Timothy G. Dinan

  • The probiotic Bifidobacteria infantis: an assessment of potential antidepressant properties in the rat

    Lieve Desbonnet;Lillian Garrett;Gerard Clarke;John Bienenstock

  • Targeting the Microbiota-Gut-Brain Axis: Prebiotics Have Anxiolytic and Antidepressant-like Effects and Reverse the Impact of Chronic Stress in Mice

    Aurelijus Burokas;Silvia Arboleya;Rachel D. Moloney;Veronica L. Peterson

  • Microbiota is essential for social development in the mouse

    L Desbonnet;G Clarke;F Shanahan;T G Dinan

  • Biological and psychological markers of stress in humans: Focus on the Trier Social Stress Test

    Andrew P. Allen;Paul J. Kennedy;John F. Cryan;Timothy G. Dinan

  • Gut microbiota depletion from early adolescence in mice: Implications for brain and behaviour.

    Lieve Desbonnet;Gerard Clarke;Alexander Traplin;Orla O’Sullivan

  • The neuropharmacology of butyrate: The bread and butter of the microbiota-gut-brain axis?

    Roman M. Stilling;Marcel van de Wouw;Gerard Clarke;Catherine Stanton

  • Short-chain fatty acids: microbial metabolites that alleviate stress-induced brain-gut axis alterations.

    Marcel van de Wouw;Marcus Boehme;Joshua M. Lyte;Niamh Wiley;Niamh Wiley

  • The blood-brain barrier in aging and neurodegeneration

    Unknown

  • Kynurenine pathway metabolism and the microbiota-gut-brain axis.

    Paul J. Kennedy;John F. Cryan;Timothy G. Dinan;Gerard Clarke

  • Growing up in a Bubble: Using Germ-Free Animals to Assess the Influence of the Gut Microbiota on Brain and Behavior

    Pauline Luczynski;Karen-Anne McVey Neufeld;Clara Seira Oriach;Gerard Clarke

  • Regulation of prefrontal cortex myelination by the microbiota.

    Alan E. Hoban;Roman M. Stilling;Feargal J. Ryan;Fergus Shanahan

  • Bifidobacterium longum 1714 as a translational psychobiotic: modulation of stress, electrophysiology and neurocognition in healthy volunteers

    Andrew P. Allen;William Hutch;Y. E. Borre;Paul J. Kennedy

Frequent Co-Authors

Catherine Stanton
Catherine Stanton Teagasc - The Irish Agriculture and Food Development Authority
Paul D. Cotter
Paul D. Cotter University College Cork
John L. Waddington
John L. Waddington Royal College of Surgeons in Ireland
Gudrun A. Rappold
Gudrun A. Rappold Heidelberg University
John A. Groeger
John A. Groeger Nottingham Trent University
Jeffrey M. Craig
Jeffrey M. Craig Deakin University
Annemie M. W. J. Schols
Annemie M. W. J. Schols Maastricht University
Joseph Firth
Joseph Firth University of Manchester
David Mischoulon
David Mischoulon Harvard University

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