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Órla O’Sullivan

Active 2003–2025

Also published as
Orla O'Sullivan
97
Papers
23,339
Citations
68
h-index
91
i10-index

Citations

Citations per year for Órla O’Sullivan1983: 1 citations1986: 1 citations1994: 1 citations2001: 1 citations2002: 1 citations2003: 2 citations2004: 5 citations2005: 21 citations2006: 23 citations2007: 16 citations2008: 29 citations2009: 24 citations2010: 40 citations2011: 129 citations2012: 204 citations2013: 338 citations2014: 340 citations2015: 356 citations2016: 466 citations2017: 515 citations2018: 517 citations2019: 1,227 citations2020: 1,460 citations2021: 1,374 citations2022: 1,231 citations2023: 803 citations2024: 1,110 citations2025: 545 citations2026: 8 citations1984–1985: no citations, so these years are not shown1987–1993: no citations, so these years are not shown1995–2000: no citations, so these years are not shown

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 2,226 citing papers, 17.3% of this breakdownChina: 1,869 citing papers, 14.6% of this breakdownItaly: 690 citing papers, 5.4% of this breakdownIreland: 686 citing papers, 5.3% of this breakdownUnited Kingdom: 658 citing papers, 5.1% of this breakdownSpain: 458 citing papers, 3.6% of this breakdownCanada: 436 citing papers, 3.4% of this breakdownFrance: 434 citing papers, 3.4% of this breakdownGermany: 390 citing papers, 3% of this breakdownNetherlands: 366 citing papers, 2.9% of this breakdownAustralia: 319 citing papers, 2.5% of this breakdownIndia: 300 citing papers, 2.3% of this breakdown
0%17.3%Other 31.2%

Institutions

Fields

  • Biochemistry, Genetics and Molecular Biology52%
  • Medicine19.9%
  • Agricultural and Biological Sciences14%
  • Neuroscience3.5%
  • Environmental Science2.9%
  • Nursing2.4%
  • Other5.3%

Topics

  • Gut microbiota and health20.9%
  • Probiotics and Fermented Foods7.2%
  • Diet and metabolism studies6.6%
  • Clostridium difficile and Clostridium perfringens research4.2%
  • Tryptophan and brain disorders3.9%
  • Gastrointestinal motility and disorders2.7%
  • Other54.5%

Coauthors

All papers

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  1. Gut microbiota composition correlates with diet and health in the elderly

    Authors: Marcus J. Claesson, Ian B. Jeffery, Susana Conde, Susan Power, Eibhlís M. O’Connor, Siobhán Cusack, Hugh M. B. Harris, Mairéad Coakley, B. Lakshminarayanan, Órla O’Sullivan, Gerald F. Fitzgerald, Jennifer Deane, Michael OʼConnor, Norma Harnedy, Kieran O’Connor, Denis O’Mahony, Douwe van Sinderen, Martina Wallace, Lorraine Brennan, Catherine Stanton, Julian R. Marchesi, Anthony P. Fitzgerald, Fergus Shanahan, Colin Hill, R. Paul Ross, Paul W. O’Toole - Nature 2012 cited by 3,335

  2. Exercise and associated dietary extremes impact on gut microbial diversity

    Authors: Siobhan F. Clarke, Eileen F. Murphy, Órla O’Sullivan, Alice Lucey, Margaret Humphreys, Aileen Hogan, P. Lynn Hayes, Maeve O’Reilly, Ian B. Jeffery, Ruth Wood-Martin, David Kerins, Eamonn M.M. Quigley, R. Paul Ross, Paul W. O’Toole, Michael G. Molloy, Éanna Falvey, Fergus Shanahan, Paul D Cotter - Gut 2014 cited by 1,410

  3. Short‐chain fatty acids: microbial metabolites that alleviate stress‐induced brain–gut axis alterations

    Authors: Marcel van de Wouw, Marcus Boehme, Joshua M. Lyte, Niamh Wiley, Conall Strain, Órla O’Sullivan, Gerard Clarke, Catherine Stanton, Timothy G. Dinan, John F. Cryan - The Journal of Physiology 2018 cited by 781

  4. Composition, variability, and temporal stability of the intestinal microbiota of the elderly

    Authors: Marcus J. Claesson, Siobhán Cusack, Órla O’Sullivan, Rachel Greene-Diniz, Heleen de Weerd, Edel Flannery, Julian R. Marchesi, Daniel Falush, Timothy G. Dinan, Gerald F. Fitzgerald, Catherine Stanton, Douwe van Sinderen, Michael O′Connor, Norma Harnedy, Kieran O’Connor, Colm Henry, Denis O’Mahony, Anthony P. Fitzgerald, Fergus Shanahan, C. Twomey, Colin Hill, R. Paul Ross, Paul W. O’Toole - National Academy of Sciences, Proceedings of the National Academy of Sciences 2010 cited by 1,742

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

    Authors: Lieve Desbonnet, Gerard Clarke, Alexander Traplin, Órla O’Sullivan, Fiona Crispie, Rachel D. Moloney, Paul D. Cotter, Timothy G. Dinan, John F. Cryan - Brain Behavior and Immunity 2015 cited by 768

  6. The microbiome of professional athletes differs from that of more sedentary subjects in composition and particularly at the functional metabolic level

    Authors: Wiley Barton, Nicholas Penney, Owen Cronin, Isabel García‐Pérez, Michael G. Molloy, Elaine Holmes, Fergus Shanahan, Paul D Cotter, Órla O’Sullivan - Gut 2017 cited by 618

  7. The complex microbiota of raw milk

    Authors: Lisa Quigley, Órla O’Sullivan, Catherine Stanton, Tom Beresford, R. Paul Ross, Gerald F. Fitzgerald, Paul D. Cotter - FEMS Microbiology Reviews 2013 cited by 894

  8. Sequence-based analysis of the bacterial and fungal compositions of multiple kombucha (tea fungus) samples

    Authors: Alan J. Marsh, Órla O’Sullivan, Colin Hill, R. Paul Ross, Paul D. Cotter - Food Microbiology 2013 cited by 472

  9. Composition and energy harvesting capacity of the gut microbiota: relationship to diet, obesity and time in mouse models

    Authors: Eileen F. Murphy, Paul D. Cotter, Sara A. Healy, Tatiana M. Marques, Órla O’Sullivan, Fiona Fouhy, Siobhan F. Clarke, Paul W. O’Toole, Eamonn M.M. Quigley, Catherine Stanton, R. Paul Ross, Robert M. O’Doherty, Fergus Shanahan - Gut 2010 cited by 951

  10. Expanding the biotechnology potential of lactobacilli through comparative genomics of 213 strains and associated genera

    Authors: Zhihong Sun, Hugh M. B. Harris, Angela McCann, Chenyi Guo, Silvia Argimón, Wenyi Zhang, Xianwei Yang, Ian B. Jeffery, Jakki C. Cooney, Todd F. Kagawa, Wenjun Liu, Yuqin Song, Elisa Salvetti, Agnieszka Wróbel, Pia Rasinkangas, Julian Parkhill, Mary C. Rea, Órla O’Sullivan, Jarmo Ritari, François P. Douillard, R. Paul Ross, Ruifu Yang, Alexandra E. Briner, Giovanna E. Felis, Willem M. de Vos, Rodolphe Barrangou, Todd R. Klaenhammer, Page W. Caufield, Yujun Cui, Heping Zhang, Paul W. O’Toole - Nature Communications 2015 cited by 540

  11. Fermented-Food Metagenomics Reveals Substrate-Associated Differences in Taxonomy and Health-Associated and Antibiotic Resistance Determinants

    Authors: John Leech, Raúl Cabrera‐Rubio, Aaron M. Walsh, Guerrino Macori, Calum J. Walsh, Wiley Barton, Laura Finnegan, Fiona Crispie, Órla O’Sullivan, Marcus J. Claesson, Paul D. Cotter - mSystems 2020 cited by 197

  12. Behavioural and neurochemical consequences of chronic gut microbiota depletion during adulthood in the rat

    Authors: Alan E. Hoban, Rachel D. Moloney, Anna V. Golubeva, K.A. McVey Neufeld, Órla O’Sullivan, Elaine Patterson, Catherine Stanton, Timothy G. Dinan, Gerard Clarke, John F. Cryan - Neuroscience 2016 cited by 262

  13. A Prospective Metagenomic and Metabolomic Analysis of the Impact of Exercise and/or Whey Protein Supplementation on the Gut Microbiome of Sedentary Adults

    Authors: Owen Cronin, Wiley Barton, Peter Skuse, Nicholas Penney, Isabel García‐Pérez, Eileen F. Murphy, Trevor Woods, Helena Nugent, Á Fanning, Silvia Melgar, Éanna Falvey, Elaine Holmes, Paul D. Cotter, Órla O’Sullivan, Michael G. Molloy, Fergus Shanahan - mSystems 2018 cited by 223

  14. Fermented foods, their microbiome and its potential in boosting human health

    Authors: Vincenzo Valentino, Raffaele Magliulo, Dominic N. Farsi, Paul D. Cotter, Órla O’Sullivan, Danilo Ercolini, Francesca De Filippis - Microbial Biotechnology 2024 cited by 110

  15. The Athlete Gut Microbiome and its Relevance to Health and Performance: A Review

    Authors: Marcus O’Brien, Órla O’Sullivan, Marcus J. Claesson, Paul D. Cotter - Sports Medicine 2022 cited by 65

  16. Spatial variation of the colonic microbiota in patients with ulcerative colitis and control volunteers

    Authors: Aonghus Lavelle, G. Lennon, Órla O’Sullivan, Neil G. Docherty, Áine Balfe, Aoife Maguire, Hugh Mulcahy, Glen Doherty, Diarmuid O’Donoghue, John Hyland, R. Paul Ross, John Calvin Coffey, Kieran Sheahan, Paul D. Cotter, Fergus Shanahan, D. C. Winter, P. R. O’Connell - Gut 2015 cited by 281

  17. Comparison of two next-generation sequencing technologies for resolving highly complex microbiota composition using tandem variable 16S rRNA gene regions

    Authors: Marcus J. Claesson, Qiong Wang, Órla O’Sullivan, Rachel Greene-Diniz, James R. Cole, R. Paul Ross, Paul W. O’Toole - Nucleic Acids Research 2010 cited by 971

  18. Prenatal stress-induced alterations in major physiological systems correlate with gut microbiota composition in adulthood

    Authors: Anna V. Golubeva, Sean J. Crampton, Lieve Desbonnet, Deirdre Edge, Órla O’Sullivan, Kevin W. Lomasney, Alexander V. Zhdanov, Fiona Crispie, Rachel D. Moloney, Yuliya Borre, Paul D. Cotter, Niall P. Hyland, Ken D. O’Halloran, Timothy G. Dinan, Gerard W. O’Keeffe, John F. Cryan - Psychoneuroendocrinology 2015 cited by 281

  19. Effect of broad- and narrow-spectrum antimicrobials on Clostridium difficile and microbial diversity in a model of the distal colon

    Authors: Mary C. Rea, Alleson Dobson, Órla O’Sullivan, Fiona Crispie, Fiona Fouhy, Paul D. Cotter, Fergus Shanahan, Barry Kiely, Colin Hill, R. Paul Ross - National Academy of Sciences, Proceedings of the National Academy of Sciences 2010 cited by 376

  20. N-3 Polyunsaturated Fatty Acids (PUFAs) Reverse the Impact of Early-Life Stress on the Gut Microbiota

    Authors: Matteo M. Pusceddu, Sahar El Aidy, Fiona Crispie, Órla O’Sullivan, Paul D. Cotter, Catherine Stanton, Philip M. Kelly, John F. Cryan, Timothy G. Dinan - PLoS ONE 2015 cited by 214

  21. The altered gut microbiota in adults with cystic fibrosis

    Authors: Daniel Burke, Fiona Fouhy, Michael Harrison, Mary C. Rea, Paul D. Cotter, Órla O’Sullivan, Catherine Stanton, Colin Hill, Fergus Shanahan, B.J. Plant, R. Paul Ross - BMC Microbiology 2017 cited by 196

  22. Comparative Analysis of Pyrosequencing and a Phylogenetic Microarray for Exploring Microbial Community Structures in the Human Distal Intestine

    Authors: Marcus J. Claesson, Órla O’Sullivan, Qiong Wang, Janne Nikkilä, Julian R. Marchesi, Hauke Smidt, Willem M. de Vos, R. Paul Ross, Paul W. O’Toole - PLoS ONE 2009 cited by 886

  23. Microbial Succession and Flavor Production in the Fermented Dairy Beverage Kefir

    Authors: Aaron M. Walsh, Fiona Crispie, Kieran N. Kilcawley, Órla O’Sullivan, Maurice G. O’Sullivan, Marcus J. Claesson, Paul D. Cotter - mSystems 2016 cited by 344

  24. Four men in a boat: Ultra-endurance exercise alters the gut microbiome

    Authors: David M. Keohane, Trevor Woods, P. A. O'Connor, Seán Underwood, Owen Cronin, Ronan Whiston, Órla O’Sullivan, Paul D. Cotter, Fergus Shanahan, Michael G. Molloy - Journal of science and medicine in sport 2019 cited by 112