Gemma Marsden

2.4k total citations · 2 hit papers
29 papers, 1.5k citations indexed

About

Gemma Marsden is a scholar working on Infectious Diseases, Food Science and Epidemiology. According to data from OpenAlex, Gemma Marsden has authored 29 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Infectious Diseases, 7 papers in Food Science and 6 papers in Epidemiology. Recurrent topics in Gemma Marsden's work include Salmonella and Campylobacter epidemiology (7 papers), Clostridium difficile and Clostridium perfringens research (4 papers) and Bacteriophages and microbial interactions (3 papers). Gemma Marsden is often cited by papers focused on Salmonella and Campylobacter epidemiology (7 papers), Clostridium difficile and Clostridium perfringens research (4 papers) and Bacteriophages and microbial interactions (3 papers). Gemma Marsden collaborates with scholars based in United Kingdom, Netherlands and Ireland. Gemma Marsden's co-authors include Freddie C. Hamdy, Traci Pawlowski, Christine Kuslich, Tapio Visakorpi, Brian Rhees, Richard J. Bryant, James W.F. Catto, R L Vessella, Jason Hinds and Nick Dorrell and has published in prestigious journals such as PLoS ONE, Applied and Environmental Microbiology and Gut.

In The Last Decade

Gemma Marsden

28 papers receiving 1.5k 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.

Changes in circulating microRNA levels associated with prostate cancer

2012 592 citations Richard J. Bryant, Traci Pawlowski et al. British Journal of Cancer profile →
The use of faecal microbiota transplant as treatment for recurrent or refractoryClostridium difficileinfection and other potential indications: joint British Society of Gastroenterology (BSG) and Healthcare Infection Society (HIS) guidelines

2018 251 citations Benjamin H. Mullish, Mohammed Nabil Quraishi et al. Gut profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Gemma Marsden United Kingdom	15	912	499	454	201	171	29	1.5k
Akinyemi I. Ojesina United States	16	1.3k 1.4×	167 0.3×	375 0.8×	134 0.7×	263 1.5×	28	2.0k
Chandra Sekhar Pedamallu United States	12	1.4k 1.5×	124 0.2×	317 0.7×	136 0.7×	217 1.3×	15	2.0k
Wen‐Chi Chou United States	17	934 1.0×	109 0.2×	183 0.4×	124 0.6×	166 1.0×	26	1.4k
Yuk Man Lei United States	8	1.9k 2.0×	122 0.2×	557 1.2×	240 1.2×	211 1.2×	11	3.0k
Ehsan Nazemalhosseini Mojarad Iran	31	1.0k 1.1×	484 1.0×	667 1.5×	52 0.3×	247 1.4×	222	2.9k
Chun Ho Szeto Hong Kong	7	973 1.1×	110 0.2×	212 0.5×	96 0.5×	168 1.0×	15	1.4k
Abby L. Geis United States	9	988 1.1×	65 0.1×	266 0.6×	167 0.8×	174 1.0×	13	1.4k
Meysam Sarshar Italy	19	450 0.5×	76 0.2×	208 0.5×	123 0.6×	306 1.8×	42	1.3k
Jonathan U. Peled United States	21	1.1k 1.3×	68 0.1×	587 1.3×	172 0.9×	339 2.0×	74	2.0k
Guillaume Sarrabayrouse France	19	856 0.9×	84 0.2×	322 0.7×	103 0.5×	251 1.5×	28	1.4k

Countries citing papers authored by Gemma Marsden

Since Specialization

Citations

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

Fields of papers citing papers by Gemma Marsden

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Gemma Marsden. 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 Gemma Marsden. The network helps show where Gemma Marsden may publish in the future.

Co-authorship network of co-authors of Gemma Marsden

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

All Works

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20 of 20 papers shown

Hoang, Uy, Cecilia Okusi, Rachel Byford, et al.. (2023). The Impact of Point-of-Care Testing for Influenza on Antimicrobial Stewardship (PIAMS) in UK Primary Care: Protocol for a Mixed Methods Study. JMIR Research Protocols. 12. e46938–e46938. 1 indexed citations

Chadwick, Paul, Eamonn Trainor, Gemma Marsden, et al.. (2023). Guidelines for the management of norovirus outbreaks in acute and community health and social care settings. Journal of Hospital Infection. 136. 127–191. 3 indexed citations

Humphreys, H., Aggie Bak, A.P.R. Wilson, et al.. (2023). Rituals and behaviours in the operating theatre – joint guidelines of the Healthcare Infection Society and the European Society of Clinical Microbiology and Infectious Diseases. Journal of Hospital Infection. 140. 165.e1–165.e28. 4 indexed citations

Joy, Mark, Xuejuan Fan, Chris Robertson, et al.. (2023). Thrombocytopenic, thromboembolic and haemorrhagic events following second dose with BNT162b2 and ChAdOx1: self-controlled case series analysis of the English national sentinel cohort. The Lancet Regional Health - Europe. 32. 100681–100681. 4 indexed citations

Fry, Carole, C.R. Bradley, Thomas Pottage, et al.. (2022). Automated room decontamination: report of a Healthcare Infection Society Working Party. Journal of Hospital Infection. 124. 97–120. 10 indexed citations

Ketley, Julian M., et al.. (2022). Molecular and in silico typing of the lipooligosaccharide biosynthesis gene cluster in Campylobacter jejuni and Campylobacter coli. PLoS ONE. 17(3). e0265585–e0265585. 3 indexed citations

Walker, Jimmy, Aggie Bak, Gemma Marsden, et al.. (2022). Final rinse water quality for flexible endoscopy to minimize the risk of post-endoscopic infection. Report from Healthcare Infection Society Working Party. Journal of Hospital Infection. 124. 79–96. 3 indexed citations

Coia, John, Jennie Wilson, Aggie Bak, et al.. (2021). Joint Healthcare Infection Society (HIS) and Infection Prevention Society (IPS) guidelines for the prevention and control of meticillin-resistant Staphylococcus aureus (MRSA) in healthcare facilities. Journal of Hospital Infection. 118. S1–S39. 17 indexed citations

Machado, Lee R., et al.. (2020). An Updated Classification System and Review of the Lipooligosaccharide Biosynthesis Gene Locus in Campylobacter jejuni. Frontiers in Microbiology. 11. 677–677. 30 indexed citations

10.

Mullish, Benjamin H., Mohammed Nabil Quraishi, Jonathan Segal, et al.. (2018). The use of faecal microbiota transplant as treatment for recurrent or refractoryClostridium difficileinfection and other potential indications: joint British Society of Gastroenterology (BSG) and Healthcare Infection Society (HIS) guidelines. Gut. 67(11). 1920–1941. 251 indexed citations breakdown →

11.

Mullish, Benjamin H., Mohammed Nabil Quraishi, Jonathan Segal, et al.. (2018). The use of faecal microbiota transplant as treatment for recurrent or refractory Clostridium difficile infection and other potential indications: joint British Society of Gastroenterology (BSG) and Healthcare Infection Society (HIS) guidelines. Journal of Hospital Infection. 100. S1–S31. 51 indexed citations

12.

Bryant, Richard J., Traci Pawlowski, James W.F. Catto, et al.. (2012). Changes in circulating microRNA levels associated with prostate cancer. British Journal of Cancer. 106(4). 768–774. 592 indexed citations breakdown →

13.

Bryant, R.J., Traci Pawlowski, James W.F. Catto, et al.. (2012). 435 Circulating microRNAs are associated with the development and progression of prostate cancer. European Urology Supplements. 11(1). e435–e435a. 1 indexed citations

14.

Rowlands, Mari‐Anne, Jeff M.P. Holly, Freddie C. Hamdy, et al.. (2011). Serum insulin-like growth factors and mortality in localised and advanced clinically detected prostate cancer. Cancer Causes & Control. 23(2). 347–354. 32 indexed citations

15.

Marsden, Gemma, et al.. (2010). Array comparative hybridisation reveals a high degree of similarity between UK and European clinical isolates of hypervirulent Clostridium difficile. BMC Genomics. 11(1). 389–389. 22 indexed citations

16.

Rowlands, Mari‐Anne, Jeff M.P. Holly, David Gunnell, et al.. (2010). The relation between adiposity throughout the life course and variation in IGFs and IGFBPs: evidence from the ProtecT (Prostate testing for cancer and Treatment) study. Cancer Causes & Control. 21(11). 1829–1842. 19 indexed citations

17.

Newcombe, Jane, J. Charles G. Jeynes, Ernest Mendoza, et al.. (2005). Phenotypic and Transcriptional Characterization of the Meningococcal PhoPQ System, a Magnesium-Sensing Two-Component Regulatory System That Controls Genes Involved in Remodeling the Meningococcal Cell Surface. Journal of Bacteriology. 187(14). 4967–4975. 29 indexed citations

18.

Moen, Birgitte, Astrid Oust, Øyvind Langsrud, et al.. (2005). Explorative Multifactor Approach for Investigating Global Survival Mechanisms of Campylobacter jejuni under Environmental Conditions. Applied and Environmental Microbiology. 71(4). 2086–2094. 72 indexed citations

19.

Woodall, Claire A., Michael Jones, Paul Barrow, et al.. (2005). Campylobacter jejuni Gene Expression in the Chick Cecum: Evidence for Adaptation to a Low-Oxygen Environment. Infection and Immunity. 73(8). 5278–5285. 92 indexed citations

20.

Elvers, Karen T, Gemma Marsden, Jason Hinds, et al.. (2005). NssR, a member of the Crp‐Fnr superfamily from Campylobacter jejuni, regulates a nitrosative stress‐responsive regulon that includes both a single‐domain and a truncated haemoglobin. Molecular Microbiology. 57(3). 735–750. 59 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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