Citation Rankings
Highly Cited Researchers

Medical and Health Sciences / Microbiology Highly Cited Researchers 47 Scientists Citation in Ireland Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
Ireland
Colin Hill
Microbiology
microbiome
bacteriophage
bacteriocins
infection
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
99,883
45,328
0.454
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Ireland
Paul Cotter
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,055
33,707
0.571
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Ireland
Paul O Toole
Microbiome
lactobacillus
IBS
colorectal cancer
ageing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55,215
31,341
0.568
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Ireland
Timothy Foster J
microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,774
12,302
0.269
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Ireland
Dobson Alan
Microbiology
Genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,569
5,691
0.343
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Ireland
Charles J Dorman
Interests: bacterial gene regulation
DNA topology
nucleoid-associated proteins
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,419
3,394
0.235
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Ireland
John Morrissey
yeast
fungi
biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,357
4,584
0.371
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Ireland
Colum Dunne
Medical Microbiology
Hospital acquired infection
Infection prevention and control
intestinal anatomy and microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,920
4,778
0.438
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Ireland
Mary C.Rea
microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,767
4,979
0.462
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Ireland
David N Dowling
microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,388
3,104
0.299
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Ireland
Vincent O Flaherty
Anaerobic digestion
bioeconomy
methanogenesis
fermentation
agriculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,062
3,711
0.369
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Ireland
Sinéad C Corr
Infection
Immunity
Inflammation
Microbiota
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,785
5,772
0.590
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Ireland
Gavin Collins
Microbiology
Microbial ecology
Microbial physiology
Biofilmology
Environmental Biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,410
4,422
0.526
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Ireland
Conor P O Byrne|Conor O'Byrne
Microbiology
stress responses
sigma factors
gene regulation
Listeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,188
2,548
0.412
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Ireland
Catherine Adley
Research Expertise: Ralstonia pickettii and biofilms
rapid microbial detection methods and sensors.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,148
2,533
0.412
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Ireland
Smith SG
Clinical Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,836
2,042
0.350
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Ireland
Gary Moran
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,633
1,559
0.277
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Ireland
Anna C Shore
Microbiology
Infection control
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,091
1,850
0.363
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Ireland
Cormac D Murphy
Organofluorine
microbiology
biocatalysis
biofilms
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,689
1,579
0.428
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Ireland
Marguerite Clyne
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,497
926
0.265
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Ireland
Johannes Wagener
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,252
1,565
0.481
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Ireland
Achim Schmalenberger
Plant-microbe interaction
mycorrhiza
biochar
phosphorus & sulfur mobilizing microbes
Listeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,985
1,260
0.422
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Ireland
Michael P Ryan
Microbiology
Bioinformatics
Integrating Conjugative Elements
Antimicrobial Resistance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,884
1,951
0.676
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Ireland
Thomas Gerard Barry|Tom Barry
Nucleic Acid Diagnostics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,871
551
0.192
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Ireland
Orla Sherlock
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,389
623
0.261
* Total Citation Counts Rankings
Rankings
3,228
Ireland
9
4
Ranking Based On Selection: 1
Colin Hill
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
99,883
45,328
0.454
Microbiology
microbiome
bacteriophage
bacteriocins
infection
* Total Citation Counts Rankings
Rankings
7,853
Ireland
22
1
Ranking Based On Selection: 2
Paul Cotter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,055
33,707
0.571
* Total Citation Counts Rankings
Rankings
8,779
Ireland
23
8
Ranking Based On Selection: 3
Paul O Toole
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55,215
31,341
0.568
Microbiome
lactobacillus
IBS
colorectal cancer
ageing
* Total Citation Counts Rankings
Rankings
11,783
Ireland
32
9
Ranking Based On Selection: 4
Timothy Foster J
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,774
12,302
0.269
* Total Citation Counts Rankings
Rankings
53,554
Ireland
214
40
Ranking Based On Selection: 5
Dobson Alan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,569
5,691
0.343
* Total Citation Counts Rankings
Rankings
64,337
Ireland
265
73
Ranking Based On Selection: 6
Charles J Dorman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,419
3,394
0.235
Interests: bacterial gene regulation
DNA topology
nucleoid-associated proteins
* Total Citation Counts Rankings
Rankings
78,213
Ireland
321
55
Ranking Based On Selection: 7
John Morrissey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,357
4,584
0.371
* Total Citation Counts Rankings
Rankings
90,807
Ireland
367
17
Ranking Based On Selection: 8
Colum Dunne
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,920
4,778
0.438
Medical Microbiology
Hospital acquired infection
Infection prevention and control
intestinal anatomy and microbiology
* Total Citation Counts Rankings
Rankings
92,366
Ireland
377
9
Ranking Based On Selection: 9
Mary C.Rea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,767
4,979
0.462
* Total Citation Counts Rankings
Rankings
96,219
Ireland
399
2
Ranking Based On Selection: 10
David N Dowling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,388
3,104
0.299
* Total Citation Counts Rankings
Rankings
99,827
Ireland
427
63
Ranking Based On Selection: 11
Vincent O Flaherty
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,062
3,711
0.369
Anaerobic digestion
bioeconomy
methanogenesis
fermentation
agriculture
* Total Citation Counts Rankings
Rankings
103,075
Ireland
444
110
Ranking Based On Selection: 12
Sinéad C Corr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,785
5,772
0.590
* Total Citation Counts Rankings
Rankings
122,352
Ireland
554
82
Ranking Based On Selection: 13
Gavin Collins
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,410
4,422
0.526
Microbiology
Microbial ecology
Microbial physiology
Biofilmology
Environmental Biotechnology
* Total Citation Counts Rankings
Rankings
169,358
Ireland
799
110
Ranking Based On Selection: 14
Conor P O Byrne|Conor O'Byrne
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,188
2,548
0.412
Microbiology
stress responses
sigma factors
gene regulation
Listeria
* Total Citation Counts Rankings
Rankings
170,430
Ireland
807
62
Ranking Based On Selection: 15
Catherine Adley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,148
2,533
0.412
Research Expertise: Ralstonia pickettii and biofilms
rapid microbial detection methods and sensors.
* Total Citation Counts Rankings
Rankings
179,630
Ireland
849
208
Ranking Based On Selection: 16
Smith SG
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,836
2,042
0.350
* Total Citation Counts Rankings
Rankings
186,002
Ireland
894
220
Ranking Based On Selection: 17
Gary Moran
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,633
1,559
0.277
* Total Citation Counts Rankings
Rankings
205,321
Ireland
988
234
Ranking Based On Selection: 18
Anna C Shore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,091
1,850
0.363
* Total Citation Counts Rankings
Rankings
275,903
Ireland
1,327
305
Ranking Based On Selection: 19
Cormac D Murphy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,689
1,579
0.428
Organofluorine
microbiology
biocatalysis
biofilms
* Total Citation Counts Rankings
Rankings
288,959
Ireland
1,387
320
Ranking Based On Selection: 20
Marguerite Clyne
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,497
926
0.265
* Total Citation Counts Rankings
Rankings
307,344
Ireland
1,468
348
Ranking Based On Selection: 21
Johannes Wagener
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,252
1,565
0.481
* Total Citation Counts Rankings
Rankings
329,974
Ireland
1,596
129
Ranking Based On Selection: 22
Achim Schmalenberger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,985
1,260
0.422
Plant-microbe interaction
mycorrhiza
biochar
phosphorus & sulfur mobilizing microbes
Listeria
* Total Citation Counts Rankings
Rankings
339,192
Ireland
1,645
1
Ranking Based On Selection: 23
Michael P Ryan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,884
1,951
0.676
Microbiology
Bioinformatics
Integrating Conjugative Elements
Antimicrobial Resistance
* Total Citation Counts Rankings
Rankings
340,489
Ireland
1,654
204
Ranking Based On Selection: 24
Thomas Gerard Barry|Tom Barry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,871
551
0.192
* Total Citation Counts Rankings
Rankings
393,321
Ireland
1,912
7
Ranking Based On Selection: 25
Orla Sherlock
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,389
623
0.261