Amy O’Callaghan

2.0k total citations · 2 hit papers
10 papers, 1.4k citations indexed

About

Amy O’Callaghan is a scholar working on Molecular Biology, Food Science and Biotechnology. According to data from OpenAlex, Amy O’Callaghan has authored 10 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Molecular Biology, 6 papers in Food Science and 3 papers in Biotechnology. Recurrent topics in Amy O’Callaghan's work include Gut microbiota and health (5 papers), Probiotics and Fermented Foods (4 papers) and Essential Oils and Antimicrobial Activity (2 papers). Amy O’Callaghan is often cited by papers focused on Gut microbiota and health (5 papers), Probiotics and Fermented Foods (4 papers) and Essential Oils and Antimicrobial Activity (2 papers). Amy O’Callaghan collaborates with scholars based in Ireland, Italy and Canada. Amy O’Callaghan's co-authors include Douwe van Sinderen, Francesca Bottacini, Sinéad C. Corr, Marco Ventura, Benjamin Hillmann, Pajau Vangay, Dan Knights, Jens Walter, Robert W. Hutkins and Inés Martínez and has published in prestigious journals such as Frontiers in Immunology, Frontiers in Microbiology and Cell Host & Microbe.

In The Last Decade

Amy O’Callaghan

10 papers receiving 1.4k 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.

Bifidobacteria and Their Role as Members of the Human Gut Microbiota

2016 767 citations Amy O’Callaghan, Douwe van Sinderen Frontiers in Microbiology profile →
Stable Engraftment of Bifidobacterium longum AH1206 in the Human Gut Depends on Individualized Features of the Resident Microbiome

2016 342 citations María X. Maldonado-Gómez, Inés Martínez et al. Cell Host & Microbe profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Amy O’Callaghan Ireland	9	978	554	295	217	212	10	1.4k
Gabriele Hörmannsperger Germany	12	895 0.9×	654 1.2×	271 0.9×	192 0.9×	165 0.8×	18	1.4k
Emmanuelle H. Crost United Kingdom	16	1.5k 1.5×	547 1.0×	445 1.5×	300 1.4×	282 1.3×	21	1.9k
Christine Bäuerl Spain	17	768 0.8×	445 0.8×	260 0.9×	193 0.9×	131 0.6×	37	1.2k
Marina Elli Italy	20	840 0.9×	661 1.2×	376 1.3×	109 0.5×	235 1.1×	38	1.3k
Empar Chenoll Spain	24	1.1k 1.1×	764 1.4×	359 1.2×	206 0.9×	292 1.4×	55	1.9k
Andrea Monteagudo-Mera United Kingdom	15	895 0.9×	807 1.5×	553 1.9×	142 0.7×	162 0.8×	24	1.5k
Nam Joo Ha South Korea	17	567 0.6×	435 0.8×	228 0.8×	184 0.8×	232 1.1×	38	1.1k
Sergio Muñoz‐Quezada Spain	13	1.1k 1.1×	928 1.7×	401 1.4×	255 1.2×	231 1.1×	14	1.8k
Claudio Hidalgo-Cantabrana Spain	24	1.4k 1.4×	819 1.5×	491 1.7×	192 0.9×	136 0.6×	43	2.0k
Iréne Mangin France	21	968 1.0×	596 1.1×	258 0.9×	228 1.1×	132 0.6×	33	1.4k

Countries citing papers authored by Amy O’Callaghan

Since Specialization

Citations

This map shows the geographic impact of Amy O’Callaghan'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 Amy O’Callaghan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Amy O’Callaghan more than expected).

Fields of papers citing papers by Amy O’Callaghan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Amy O’Callaghan. 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 Amy O’Callaghan. The network helps show where Amy O’Callaghan may publish in the future.

Co-authorship network of co-authors of Amy O’Callaghan

This figure shows the co-authorship network connecting the top 25 collaborators of Amy O’Callaghan. A scholar is included among the top collaborators of Amy O’Callaghan 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 Amy O’Callaghan. Amy O’Callaghan is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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10 of 10 papers shown

Iyer, Namrata, Michelle A. Williams, Amy O’Callaghan, et al.. (2022). Lactobacillus salivarius UCC118™ Dampens Inflammation and Promotes Microbiota Recovery to Provide Therapeutic Benefit in a DSS-Induced Colitis Model. Microorganisms. 10(7). 1383–1383. 17 indexed citations

O’Callaghan, Amy, et al.. (2021). Intestinal Metabolites Influence Macrophage Phagocytosis and Clearance of Bacterial Infection. Frontiers in Cellular and Infection Microbiology. 11. 622491–622491. 15 indexed citations

Williams, Michelle A., Amy O’Callaghan, & Sinéad C. Corr. (2019). IL-33 and IL-18 in Inflammatory Bowel Disease Etiology and Microbial Interactions. Frontiers in Immunology. 10. 1091–1091. 69 indexed citations

O’Callaghan, Amy & Sinéad C. Corr. (2019). Establishing Boundaries: The Relationship That Exists between Intestinal Epithelial Cells and Gut-Dwelling Bacteria. Microorganisms. 7(12). 663–663. 28 indexed citations

Leong, Dara, Amy O’Callaghan, Eamonn P. Culligan, et al.. (2018). Genomic Characterization of Listeria monocytogenes Isolates Associated with Clinical Listeriosis and the Food Production Environment in Ireland. Genes. 9(3). 171–171. 65 indexed citations

O’Callaghan, Amy, Eamonn P. Culligan, Dara Leong, et al.. (2017). Draft Genome Sequences of 25 Listeria monocytogenes Isolates Associated with Human Clinical Listeriosis in Ireland. Genome Announcements. 5(19). 2 indexed citations

O’Callaghan, Amy & Douwe van Sinderen. (2016). Bifidobacteria and Their Role as Members of the Human Gut Microbiota. Frontiers in Microbiology. 7. 925–925. 767 indexed citations breakdown →

Pontonio, Erica, Jennifer Mahony, Raffaella Di Cagno, et al.. (2016). Cloning, expression and characterization of a β-d-xylosidase from Lactobacillus rossiae DSM 15814T. Microbial Cell Factories. 15(1). 72–72. 26 indexed citations

Maldonado-Gómez, María X., Inés Martínez, Francesca Bottacini, et al.. (2016). Stable Engraftment of Bifidobacterium longum AH1206 in the Human Gut Depends on Individualized Features of the Resident Microbiome. Cell Host & Microbe. 20(4). 515–526. 342 indexed citations breakdown →

10.

O’Callaghan, Amy, Francesca Bottacini, Mary O’Connell Motherway, & Douwe van Sinderen. (2015). Pangenome analysis of Bifidobacterium longum and site-directed mutagenesis through by-pass of restriction-modification systems. BMC Genomics. 16(1). 832–832. 80 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.

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