Patrick O’Brien

9.0k total citations · 3 hit papers
101 papers, 4.4k citations indexed

About

Patrick O’Brien is a scholar working on Molecular Biology, Pediatrics, Perinatology and Child Health and Obstetrics and Gynecology. According to data from OpenAlex, Patrick O’Brien has authored 101 papers receiving a total of 4.4k indexed citations (citations by other indexed papers that have themselves been cited), including 52 papers in Molecular Biology, 17 papers in Pediatrics, Perinatology and Child Health and 16 papers in Obstetrics and Gynecology. Recurrent topics in Patrick O’Brien's work include DNA Repair Mechanisms (33 papers), DNA and Nucleic Acid Chemistry (29 papers) and Maternal and fetal healthcare (11 papers). Patrick O’Brien is often cited by papers focused on DNA Repair Mechanisms (33 papers), DNA and Nucleic Acid Chemistry (29 papers) and Maternal and fetal healthcare (11 papers). Patrick O’Brien collaborates with scholars based in United States, United Kingdom and Türkiye. Patrick O’Brien's co-authors include Daniel Herschlag, Tom Ellenberger, Jennifer J. Kurinczuk, Kathryn Bunch, Nicola Vousden, Maria Quigley, Chris Gale, Marian Knight, Peter Brocklehurst and Nigel Simpson and has published in prestigious journals such as Nature, Chemical Reviews and Journal of the American Chemical Society.

In The Last Decade

Patrick O’Brien

95 papers receiving 4.3k citations

Hit Papers

align trajectories sort by overperformance

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.

Characteristics and outcomes of pregnant women admitted to hospital with confirmed SARS-CoV-2 infection in UK: national population based cohort study

2020 705 citations Marian Knight, Kathryn Bunch et al. profile →
Catalytic promiscuity and the evolution of new enzymatic activities

1999 609 citations Patrick O’Brien et al. profile →
The incidence, characteristics and outcomes of pregnant women hospitalized with symptomatic and asymptomatic SARS-CoV-2 infection in the UK from March to September 2020: A national cohort study using the UK Obstetric Surveillance System (UKOSS)

2021 123 citations Nicola Vousden, Kathryn Bunch et al. PLoS ONE profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Patrick O’Brien	2.3k	1.1k	677	589	335	101	4.4k
Robert E. Canfield	2.2k 1.0×	688 0.6×	1.1k 1.6×	1.5k 2.6×	439 1.3×	86	6.6k
Anders Åberg	672 0.3×	878 0.8×	570 0.8×	569 1.0×	222 0.7×	83	3.3k
Diana Blithe	1.7k 0.8×	808 0.7×	604 0.9×	1.5k 2.6×	70 0.2×	113	4.6k
Lloyd H. Smith	1.4k 0.6×	452 0.4×	972 1.4×	510 0.9×	172 0.5×	143	5.9k
Yutaka Morita	1.7k 0.7×	300 0.3×	205 0.3×	802 1.4×	176 0.5×	188	5.9k
Alexander D. Cameron	3.4k 1.5×	254 0.2×	377 0.6×	202 0.3×	781 2.3×	108	5.7k
Eliahu Caspi	1.3k 0.6×	1.0k 0.9×	927 1.4×	1.4k 2.4×	42 0.1×	319	5.0k
Victor R. Gordeuk	1.8k 0.8×	156 0.1×	1.1k 1.6×	990 1.7×	58 0.2×	401	11.8k
C. Matthew Peterson	607 0.3×	990 0.9×	737 1.1×	1.4k 2.3×	50 0.1×	137	4.8k
Mitsuaki Hosoya	523 0.2×	318 0.3×	440 0.6×	483 0.8×	70 0.2×	327	4.8k

Countries citing papers authored by Patrick O’Brien

Since Specialization

Citations

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

Fields of papers citing papers by Patrick O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Patrick O’Brien

This figure shows the co-authorship network connecting the top 25 collaborators of Patrick O’Brien. A scholar is included among the top collaborators of Patrick O’Brien 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 Patrick O’Brien. Patrick O’Brien 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

Hu, Biao, et al.. (2025). POLQ mediated end-joining promotes DNA damage tolerance in neuroblastoma. Translational Oncology. 58. 102433–102433.

Purandare, Nikhil, Cynthia Maxwell, Mary Rosser, et al.. (2023). The challenges of obesity for fertility: A FIGO literature review. International Journal of Gynecology & Obstetrics. 160(S1). 50–55. 36 indexed citations

Maxwell, Cynthia, Amy O’Higgins, Mary Rosser, et al.. (2023). Management of obesity across women's life course: FIGO Best Practice Advice. International Journal of Gynecology & Obstetrics. 160(S1). 35–49. 17 indexed citations

Vlachodimitropoulou, Evangelia, et al.. (2023). Combined Bilateral Salpingo-oophorectomy and Cesarean Delivery in BRCA1/2 Alteration Carriers. Obstetrics and Gynecology. 142(6). 1500–1503.

Admiraal, Suzanne J., et al.. (2023). Human DNA ligases I and III have stand-alone end-joining capability, but differ in ligation efficiency and specificity. Nucleic Acids Research. 51(2). 796–805. 3 indexed citations

Vousden, Nicola, Rema Ramakrishnan, Kathryn Bunch, et al.. (2022). Severity of maternal infection and perinatal outcomes during periods of SARS-CoV-2 wildtype, alpha, and delta variant dominance in the UK: prospective cohort study. SHILAP Revista de lepidopterología. 1(1). e000053–e000053. 53 indexed citations

Engjom, Hilde, Rema Ramakrishnan, Nicola Vousden, et al.. (2022). Severity of maternal SARS-CoV-2 infection and perinatal outcomes of women admitted to hospital during the omicron variant dominant period using UK Obstetric Surveillance System data: prospective, national cohort study. SHILAP Revista de lepidopterología. 1(1). e000190–e000190. 21 indexed citations

Birol, Pınar, Smriti Prasad, Arzu Bilge Tekin, et al.. (2022). Maternal and perinatal outcomes of SARS‐CoV‐2 infection in unvaccinated pregnancies during Delta and Omicron waves. Ultrasound in Obstetrics and Gynecology. 60(1). 96–102. 43 indexed citations

O’Brien, Patrick, et al.. (2022). Synergy between inhibitors of two mitotic spindle assembly motors undermines an adaptive response. Molecular Biology of the Cell. 33(14). ar132–ar132. 7 indexed citations

10.

Kalafat, Erkan, Patrick O’Brien, Paul T. Heath, et al.. (2021). Benefits and potential harms of COVID‐19 vaccination during pregnancy: evidence summary for patient counseling. Ultrasound in Obstetrics and Gynecology. 57(5). 681–686. 19 indexed citations

11.

Kalafat, Erkan, et al.. (2021). Influenza season during COVID‐19 pandemic: the storm that never came. Ultrasound in Obstetrics and Gynecology. 57(6). 1012–1013. 1 indexed citations

12.

Vousden, Nicola, Kathryn Bunch, Edward P. Morris, et al.. (2021). The incidence, characteristics and outcomes of pregnant women hospitalized with symptomatic and asymptomatic SARS-CoV-2 infection in the UK from March to September 2020: A national cohort study using the UK Obstetric Surveillance System (UKOSS). PLoS ONE. 16(5). e0251123–e0251123. 123 indexed citations breakdown →

13.

Hearn, David J., et al.. (2018). Comparative transcriptomics reveals shared gene expression changes during independent evolutionary origins of stem and hypocotyl/root tubers in Brassica (Brassicaceae). PLoS ONE. 13(6). e0197166–e0197166. 16 indexed citations

14.

O’Brien, Patrick, et al.. (2017). Transient Kinetic Methods for Mechanistic Characterization of DNA Binding and Nucleotide Flipping. Methods in enzymology on CD-ROM/Methods in enzymology. 592. 377–415. 6 indexed citations

15.

O’Brien, Patrick, Mitchell W. Cox, & Cynthia K. Shortell. (2013). Risk Factors for Early Failure of Surgical Amputations: An Analysis of 8,878 Isolated Lower Extremity Amputation Procedures. Journal of Vascular Surgery. 58(3). 844–845. 1 indexed citations

16.

Baldwin, Michael R. & Patrick O’Brien. (2012). Defining the functional footprint for recognition and repair of deaminated DNA. Nucleic Acids Research. 40(22). 11638–11647. 11 indexed citations

17.

Schechter, Matthew A., Patrick O’Brien, & Mitchell W. Cox. (2012). Retrieval of iatrogenic intravascular foreign bodies. Journal of Vascular Surgery. 57(1). 276–281. 44 indexed citations

18.

Kim, Charles, Carlos J. Guevara, Bjorn I. Engstrom, et al.. (2011). Analysis of Infection Risk following Covered Stent Exclusion of Pseudoaneurysms in Prosthetic Arteriovenous Hemodialysis Access Grafts. Journal of Vascular and Interventional Radiology. 23(1). 69–74. 35 indexed citations

19.

O’Brien, Patrick, et al.. (2010). Venous thoracic outlet syndrome secondary to first rib osteochondroma in a pediatric patient. Journal of Vascular Surgery. 53(3). 811–813. 19 indexed citations

20.

O’Brien, Patrick. (1976). British Births 1970. PubMed Central. 19(92). 174–175. 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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