Fergal O’Gara

18.2k total citations · 1 hit paper
290 papers, 12.3k citations indexed

About

Fergal O’Gara is a scholar working on Molecular Biology, Plant Science and Genetics. According to data from OpenAlex, Fergal O’Gara has authored 290 papers receiving a total of 12.3k indexed citations (citations by other indexed papers that have themselves been cited), including 136 papers in Molecular Biology, 135 papers in Plant Science and 36 papers in Genetics. Recurrent topics in Fergal O’Gara's work include Legume Nitrogen Fixing Symbiosis (86 papers), Plant-Microbe Interactions and Immunity (63 papers) and Bacterial biofilms and quorum sensing (54 papers). Fergal O’Gara is often cited by papers focused on Legume Nitrogen Fixing Symbiosis (86 papers), Plant-Microbe Interactions and Immunity (63 papers) and Bacterial biofilms and quorum sensing (54 papers). Fergal O’Gara collaborates with scholars based in Ireland, Australia and United States. Fergal O’Gara's co-authors include John P. Morrissey, David N. Dowling, Daniel J. O’Sullivan, F. Jerry Reen, Alan D. W. Dobson, Claire Adams, Yvan Moënne‐Loccoz, Matthieu Barret, Marlies J. Mooij and Dan O’Sullivan and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Nucleic Acids Research and Nature Biotechnology.

In The Last Decade

Fergal O’Gara

284 papers receiving 11.8k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Traits of fluorescent Pseudomonas spp. involved in suppression of plant root pathogens

1992 471 citations Fergal O’Gara et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Fergal O’Gara Ireland	59	5.8k	5.1k	1.6k	1.3k	1.0k	290	12.3k
Alla Lapidus United States	53	2.2k 0.4×	7.1k 1.4×	4.0k 2.5×	1.0k 0.8×	772 0.8×	150	12.9k
Manfred Nimtz Germany	58	1.8k 0.3×	7.1k 1.4×	869 0.5×	1.3k 1.0×	666 0.7×	251	11.4k
Vittorio Venturi Italy	47	3.4k 0.6×	3.8k 0.8×	760 0.5×	1.3k 1.0×	321 0.3×	180	7.0k
Jörn Kalinowski Germany	58	2.2k 0.4×	9.9k 1.9×	1.2k 0.7×	2.4k 1.9×	1.9k 1.9×	435	14.3k
Pierre Cornélis Belgium	58	2.4k 0.4×	6.0k 1.2×	1.3k 0.8×	2.7k 2.1×	524 0.5×	176	10.5k
Renato Fani Italy	50	2.0k 0.3×	3.6k 0.7×	1.8k 1.1×	741 0.6×	519 0.5×	238	7.2k
Ben Lugtenberg Netherlands	75	14.4k 2.5×	7.7k 1.5×	3.4k 2.1×	3.7k 2.8×	664 0.7×	228	22.6k
Edward R. B. Moore Sweden	56	2.7k 0.5×	5.2k 1.0×	3.7k 2.3×	541 0.4×	396 0.4×	226	11.3k
Katharina Riedel Germany	50	2.0k 0.3×	5.2k 1.0×	1.6k 1.0×	1.0k 0.8×	230 0.2×	179	9.2k
Gerhard Gottschalk Germany	62	1.3k 0.2×	9.8k 1.9×	2.2k 1.3×	1.4k 1.1×	418 0.4×	191	15.6k

Countries citing papers authored by Fergal O’Gara

Since Specialization

Citations

This map shows the geographic impact of Fergal O’Gara's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Fergal O’Gara with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Fergal O’Gara more than expected).

Fields of papers citing papers by Fergal O’Gara

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Fergal O’Gara. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Fergal O’Gara. The network helps show where Fergal O’Gara may publish in the future.

Co-authorship network of co-authors of Fergal O’Gara

This figure shows the co-authorship network connecting the top 25 collaborators of Fergal O’Gara. A scholar is included among the top collaborators of Fergal O’Gara based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Fergal O’Gara. Fergal O’Gara is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Casari, Ilaria, Janina E. E. Tirnitz‐Parker, Fergal O’Gara, et al.. (2025). Cannabidiol Is Associated with Improved Survival in Pancreatic Cancer and Modulation of Bile Acids and Gut Microbiota. International Journal of Molecular Sciences. 26(16). 7733–7733. 1 indexed citations

Caparrós‐Martín, José A., Natalie C. Ward, Montserrat Saladié, et al.. (2024). An Analysis of the Gut Microbiota and Related Metabolites following PCSK9 Inhibition in Statin-Treated Patients with Elevated Levels of Lipoprotein(a). Microorganisms. 12(1). 170–170. 3 indexed citations

Caparrós‐Martín, José A., Nicola Gray, Samantha Lodge, et al.. (2023). Gut microbiota and metabolomics profiles in patients with chronic stable angina and acute coronary syndrome. Physiological Genomics. 56(1). 48–64. 7 indexed citations

Caparrós‐Martín, José A., Silvia Lee, Fergal O’Gara, et al.. (2023). Gut Microbiome and Associated Metabolites Following Bariatric Surgery and Comparison to Healthy Controls. Microorganisms. 11(5). 1126–1126. 8 indexed citations

Caparrós‐Martín, José A., Nicola Gray, Samantha Lodge, et al.. (2023). Insights into the associations between the gut microbiome, its metabolites, and heart failure. American Journal of Physiology-Heart and Circulatory Physiology. 325(6). H1325–H1336. 6 indexed citations

Caparrós‐Martín, José A., Montserrat Saladié, F. Jerry Reen, et al.. (2023). Detection of bile acids in bronchoalveolar lavage fluid defines the inflammatory and microbial landscape of the lower airways in infants with cystic fibrosis. Microbiome. 11(1). 132–132. 15 indexed citations

Blake, Stephen J., Feargal J. Ryan, José A. Caparrós‐Martín, et al.. (2021). The immunotoxicity, but not anti-tumor efficacy, of anti-CD40 and anti-CD137 immunotherapies is dependent on the gut microbiota. Cell Reports Medicine. 2(12). 100464–100464. 26 indexed citations

Liu, Yang, Kevin D. Croft, José A. Caparrós‐Martín, et al.. (2021). Beneficial effects of inorganic nitrate in non-alcoholic fatty liver disease. Archives of Biochemistry and Biophysics. 711. 109032–109032. 11 indexed citations

Dwivedi, Girish, et al.. (2019). The gut microbiome and cardiovascular disease: current knowledge and clinical potential. American Journal of Physiology-Heart and Circulatory Physiology. 317(5). H923–H938. 102 indexed citations

10.

Reen, F. Jerry, Javier Rocha‐Martín, David F. Woods, et al.. (2019). Genome mining and characterisation of a novel transaminase with remote stereoselectivity. Scientific Reports. 9(1). 12 indexed citations

11.

Tan, Si, José A. Caparrós‐Martín, Vance B. Matthews, et al.. (2018). Isoquercetin and inulin synergistically modulate the gut microbiome to prevent development of the metabolic syndrome in mice fed a high fat diet. Scientific Reports. 8(1). 10100–10100. 54 indexed citations

12.

Reen, F. Jerry, David F. Woods, Marlies J. Mooij, et al.. (2014). Aspirated bile: a major host trigger modulating respiratory pathogen colonisation in cystic fibrosis patients. European Journal of Clinical Microbiology & Infectious Diseases. 33(10). 1763–1771. 23 indexed citations

13.

Redondo‐Nieto, Miguel, Matthieu Barret, John P. Morrissey, et al.. (2013). Genome sequence reveals that Pseudomonas fluorescens F113 possesses a large and diverse array of systems for rhizosphere function and host interaction. BMC Genomics. 14(1). 54–54. 76 indexed citations

14.

Bedini, Stefano, Cristiana Sbrana, C. Leporini, et al.. (1999). Pseudomonads isolated from within fruit bodies of Tuber borchii are capable of producing biological control or phytostimulatory compounds in pure culture.. Symbiosis. 26(3). 223–236. 29 indexed citations

15.

Fedi, Stefano, et al.. (1996). Construction of a modified mini-Tn5lacZYnon-antibiotic marker cassette: ecological evaluation of alacZYmarkedPseudomonasstrain in the sugarbeet rhizosphere. FEMS Microbiology Letters. 135(2-3). 251–257. 12 indexed citations

16.

Condon, Carol, Richard J. Fitzgerald, & Fergal O’Gara. (1991). Conjugation and heterologous gene expression inGluconobacter oxydansssp.suboxydans. FEMS Microbiology Letters. 80(2-3). 173–177. 13 indexed citations

17.

O’Gara, Fergal, et al.. (1987). Stability of IncQ and IncP-1 vector plasmids inRhizobiumspp.. FEMS Microbiology Letters. 42(2-3). 141–145. 9 indexed citations

18.

O’Regan, Michael H., et al.. (1985). Expression and regulation of the lactose transposon Tn951inRhizobiumspp.. FEMS Microbiology Letters. 29(1-2). 27–32. 6 indexed citations

19.

O’Gara, Fergal, et al.. (1982). Derepression of ribulose bisphosphate carboxylase activity inRhizobium meliloti. FEMS Microbiology Letters. 14(2). 95–99. 21 indexed citations

20.

Andersen, Kasper R., et al.. (1979). Genetic engineering of symbiotic nitrogen fixation.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 44. 81–7. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact