Calum J. Walsh

2.5k citations

36 papers · 1.6k indexed · 1 hit paper · h-index 18

Co-authors: Paul D. Cotter Jennifer L. Gardy Fiona S. L. Brinkman Martin Ester Matthew R. Laird Caitriona M. Guinane Paul W. O’Toole Colin Hill
Topics: Gut microbiota and health (19 papers)Probiotics and Fermented Foods (15 papers)Genomics and Phylogenetic Studies (8 papers)
Cited by: Microbiology Food Science Molecular Biology
Journals: Nature Communications Bioinformatics Scientific Reports
Partner nations: Ireland Australia United Kingdom

In The Last Decade

Calum J. Walsh

34 papers receiving 1.6k 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.

PSORTb v.2.0: Expanded prediction of bacterial protein subcellular localization and insights gained from comparative proteome analysis

2004 610 citations Calum J. Walsh et al. profile →

Peers

Countries citing papers authored by Calum J. Walsh

Since Specialization

Citations

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

Fields of papers citing papers by Calum J. Walsh

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Calum J. Walsh. 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 Calum J. Walsh. The network helps show where Calum J. Walsh may publish in the future.

Co-authorship network of co-authors of Calum J. Walsh

This figure shows the co-authorship network connecting the top 25 collaborators of Calum J. Walsh. A scholar is included among the top collaborators of Calum J. Walsh 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 Calum J. Walsh. Calum J. Walsh 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

#	Work	Indexed citations
1	Evaluating the efficiency of 16S-ITS-23S operon sequencing for species level resolution in microbial communities 2025 ·Scientific Reports ·(unknown),Calum J. Walsh,Fiona Crispie,Órla O’Sullivan,Paul D. Cotter,Douwe van Sinderen,John Kenny	5
2	Strain-level variation among vaginal Lactobacillus crispatus and Lactobacillus iners as identified by comparative metagenomics 2025 ·npj Biofilms and Microbiomes ·(unknown),Calum J. Walsh,Fionnuala M. McAuliffe,Rebecca Moore,Douwe van Sinderen,Conor Feehily,Paul D. Cotter	6
3	GROND: a quality-checked and publicly available database of full-length 16S-ITS-23S rRNA operon sequences 2024 ·Microbial Genomics ·Calum J. Walsh,(unknown),Timothy P. Stinear,Douwe van Sinderen,Paul D. Cotter,John Kenny	2
4	Effect of dietary fibre on the gastrointestinal microbiota during critical illness: A scoping review 2024 ·World Journal of Critical Care Medicine ·Angaj Ghosh,Calum J. Walsh,Matthew J. Maiden,Timothy P. Stinear,Adam M. Deane	0
5	Dietary amino acids, macronutrients, vaginal birth, and breastfeeding are associated with the vaginal microbiome in early pregnancy 2024 ·Microbiology Spectrum ·Gillian A. Corbett,Rebecca Moore,Conor Feehily,Sarah Louise Killeen,Eileen C. O’Brien,Douwe van Sinderen,(unknown),Róisín O’Flaherty,Pauline M. Rudd,Radka Saldova,Calum J. Walsh,Elaine M. Lawton,David A. MacIntyre,Siobhan Corcoran,Paul D. Cotter,Fionnuala M. McAuliffe	1
6	Cataloging metagenome-assembled genomes and microbial genes from the athlete gut microbiome 2024 ·PubMed ·(unknown),(unknown),Calum J. Walsh,Paul D. Cotter,Caitriona M. Guinane,Órla O’Sullivan	1
7	Maternal breastfeeding is associated with offspring microbiome diversity; a secondary analysis of the MicrobeMom randomized control trial 2023 ·Frontiers in Microbiology ·(unknown),Sarah Louise Killeen,Conor Feehily,Rebecca Moore,Shauna Callaghan,Aisling A. Geraghty,David Byrne,Calum J. Walsh,Elaine M. Lawton,Eileen F. Murphy,Douwe van Sinderen,Paul D. Cotter,Fionnuala M. McAuliffe	14
8	Pervasive genotype-by-environment interactions shape the fitness effects of antibiotic resistance mutations 2023 ·Proceedings of the Royal Society B Biological Sciences ·(unknown),(unknown),Calum J. Walsh,(unknown),Benjamin P. Howden,Mato Lagator	7
9	A high-throughput cytotoxicity screening platform reveals agr-independent mutations in bacteraemia-associated Staphylococcus aureus that promote intracellular persistence 2023 ·eLife ·Abderrahman Hachani,Stefano Giulieri,Romain Guérillot,Calum J. Walsh,(unknown),(unknown),Sarah L. Baines,David R. Thomas,Shane Cheung,(unknown),Hyun‐Jung Cho,Hayley J. Newton,Sacha J. Pidot,Ruth C. Massey,Benjamin P. Howden,Timothy P. Stinear	2
10	Ability of Bifidobacterium breve 702258 to transfer from mother to infant: the MicrobeMom randomized controlled trial 2023 ·American Journal of Obstetrics & Gynecology MFM ·Rebecca Moore,Conor Feehily,Sarah Louise Killeen,(unknown),Aisling A. Geraghty,Calum J. Walsh,Ian O’Neill,(unknown),Elaine M. Lawton,(unknown),(unknown),Fergus Shanahan,Eileen F. Murphy,Douwe van Sinderen,Paul D. Cotter,Fionnuala M. McAuliffe	17
11	The two-component system WalKR provides an essential link between cell wall homeostasis and DNA replication in Staphylococcus aureus 2023 ·mBio ·Liam K. R. Sharkey,Romain Guérillot,Calum J. Walsh,(unknown),Jean Lee,Stephanie L. Neville,Stephan Klatt,Sarah L. Baines,Sacha J. Pidot,Fernando J. Rossello,Torsten Seemann,Hamish E. G. McWilliam,Hyun‐Jung Cho,Glen P. Carter,Benjamin P. Howden,Christopher A. McDevitt,Abderrahman Hachani,Timothy P. Stinear,Ian R. Monk	15
12	Resistance to first-line antibiotic therapy among patients with uncomplicated acute cystitis in Melbourne, Australia: prevalence, predictors and clinical impact 2023 ·JAC-Antimicrobial Resistance ·(unknown),Jason C. Kwong,(unknown),Danielle Mazza,Calum J. Walsh,Kyra Chua,Andrew J. Stewardson	2
13	Identification of ADS024, a newly characterized strain of Bacillus velezensis with direct Clostridiodes difficile killing and toxin degradation bio-activities 2022 ·Scientific Reports ·Michelle O’Donnell,(unknown),Brian C. Healy,Sarah Schulz,Calum J. Walsh,Colin Hill,R. Paul Ross,Mary C. Rea,(unknown),Laurent Chesnel	20
14	Microbial colonization and resistome dynamics in food processing environments of a newly opened pork cutting industry during 1.5 years of activity 2021 ·Microbiome ·José F. Cobo‐Díaz,Adrián Álvarez-Molina,Elena A. Alexa,Calum J. Walsh,Óscar Mencía‐Ares,(unknown),Eleni Likotrafiti,(unknown),Bernardo Prieto,Fiona Crispie,Lorena Ruíz,Montserrat González-Raurich,Mercedes López,Miguel Prieto Maradona,Paul D. Cotter,Avelino Álvarez‐Ordóñez	47
15	Genotypic and Phenotypic Characterization of Fecal Staphylococcus epidermidis Isolates Suggests Plasticity to Adapt to Different Human Body Sites 2020 ·Frontiers in Microbiology ·Enriqueta García-Gutiérrez,Calum J. Walsh,Lizbeth Sayavedra,(unknown),Dinesh Thapa,Patricia Ruas‐Madiedo,Melinda J. Mayer,Paul D. Cotter,Arjan Narbad	13
16	Evaluation of methods for the reduction of contaminating host reads when performing shotgun metagenomic sequencing of the milk microbiome 2020 ·Scientific Reports ·Min Yap,Conor Feehily,Calum J. Walsh,Mark A. Fenelon,Eileen F. Murphy,Fionnuala M. McAuliffe,Douwe van Sinderen,Paul W. O’Toole,Órla O’Sullivan,Paul D. Cotter	38
17	First evidence of production of the lantibiotic nisin P 2020 ·Scientific Reports ·Enriqueta García-Gutiérrez,Paula M. O’Connor,Gerhard Saalbach,Calum J. Walsh,(unknown),Caitriona M. Guinane,Melinda J. Mayer,Arjan Narbad,Paul D. Cotter	46
18	A Profile Hidden Markov Model to investigate the distribution and frequency of LanB-encoding lantibiotic modification genes in the human oral and gut microbiome 2017 ·PeerJ ·Calum J. Walsh,Caitriona M. Guinane,Paul W. O’ Toole,Paul D. Cotter	20
19	In silico identification of bacteriocin gene clusters in the gastrointestinal tract, based on the Human Microbiome Project’s reference genome database 2015 ·BMC Microbiology ·Calum J. Walsh,Caitriona M. Guinane,Colin Hill,R. Paul Ross,Paul W. O’Toole,Paul D. Cotter	102
20	Beneficial modulation of the gut microbiota 2014 ·FEBS Letters ·Calum J. Walsh,Caitriona M. Guinane,Paul W. O’Toole,Paul D. Cotter	192

About Calum J. Walsh

Calum J. Walsh is a scholar working on Food Science, Microbiology and Periodontics, having authored 36 papers that have together received 1.6k indexed citations. Recurring topics across this work include Gut microbiota and health (19 papers), Probiotics and Fermented Foods (15 papers) and Genomics and Phylogenetic Studies (8 papers). The work is most often cited by research in Microbiology (197 citations), Food Science (498 citations) and Molecular Biology (1.1k citations). Calum J. Walsh has collaborated with scholars based in Ireland, Australia and United Kingdom. Frequent co-authors include Paul D. Cotter, Jennifer L. Gardy, Fiona S. L. Brinkman, Martin Ester, Matthew R. Laird, Caitriona M. Guinane, Paul W. O’Toole, Colin Hill, R. Paul Ross and Órla O’Sullivan. Their work appears in journals such as Nature Communications, Bioinformatics and Scientific Reports.

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