Upinder Singh

10.1k total citations · 1 hit paper
114 papers, 3.7k citations indexed

About

Upinder Singh is a scholar working on Infectious Diseases, Parasitology and Molecular Biology. According to data from OpenAlex, Upinder Singh has authored 114 papers receiving a total of 3.7k indexed citations (citations by other indexed papers that have themselves been cited), including 77 papers in Infectious Diseases, 65 papers in Parasitology and 38 papers in Molecular Biology. Recurrent topics in Upinder Singh's work include Amoebic Infections and Treatments (62 papers), Parasitic Infections and Diagnostics (58 papers) and RNA modifications and cancer (19 papers). Upinder Singh is often cited by papers focused on Amoebic Infections and Treatments (62 papers), Parasitic Infections and Diagnostics (58 papers) and RNA modifications and cancer (19 papers). Upinder Singh collaborates with scholars based in United States, India and United Kingdom. Upinder Singh's co-authors include Gretchen Ehrenkaufer, William A. Petri, Ryan C. MacFarlane, John C. Boothroyd, Jeremy L. Brewer, Jason A. Hackney, Rashidul Haque, Hanbang Zhang, Scott Grecian and Kyle R. Gee and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Nucleic Acids Research and Journal of Biological Chemistry.

In The Last Decade

Upinder Singh

102 papers receiving 3.6k 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.

Gastrointestinal symptoms and fecal shedding of SARS-CoV-2 RNA suggest prolonged gastrointestinal infection

2022 234 citations Aravind Natarajan, Soumaya Zlitni et al. Med profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Upinder Singh United States	34	2.0k	1.6k	1.3k	921	377	114	3.7k
Helmut Eiffert Germany	35	1.5k 0.8×	1.0k 0.6×	669 0.5×	471 0.5×	1.2k 3.1×	115	4.5k
Laurence Delhaès France	39	2.1k 1.0×	1.2k 0.8×	1.4k 1.1×	221 0.2×	1.5k 3.9×	130	5.3k
Theodore E. Nash United States	51	1.8k 0.9×	5.0k 3.1×	791 0.6×	1.7k 1.9×	639 1.7×	153	7.5k
Emil C. Reisinger Germany	29	1.1k 0.5×	462 0.3×	427 0.3×	387 0.4×	880 2.3×	191	3.3k
Mark S. Klempner United States	39	2.8k 1.4×	3.2k 2.0×	1.4k 1.1×	595 0.6×	606 1.6×	110	8.4k
François Bricaire France	36	2.0k 1.0×	500 0.3×	575 0.5×	370 0.4×	2.1k 5.7×	232	5.8k
Leonard H. Sigal United States	38	1.4k 0.7×	1.7k 1.1×	612 0.5×	103 0.1×	192 0.5×	162	4.4k
Molly A. Hughes United States	29	929 0.5×	412 0.3×	601 0.5×	495 0.5×	251 0.7×	79	2.8k
Subash Babu India	41	3.5k 1.7×	1.4k 0.9×	829 0.7×	1.1k 1.2×	2.0k 5.2×	247	5.8k
Jamal Khalife France	31	457 0.2×	914 0.6×	637 0.5×	111 0.1×	368 1.0×	98	3.1k

Countries citing papers authored by Upinder Singh

Since Specialization

Citations

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

Fields of papers citing papers by Upinder Singh

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Upinder Singh

This figure shows the co-authorship network connecting the top 25 collaborators of Upinder Singh. A scholar is included among the top collaborators of Upinder Singh 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 Upinder Singh. Upinder Singh 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

Jagannathan, Prasanna, Haley Hedlin, Blake Shaw, et al.. (2025). Longitudinal Patient-Reported Outcome Trajectories in Long COVID: Findings From the STOP-PASC Clinical Trial. Open Forum Infectious Diseases. 12(10). ofaf634–ofaf634.

Swank, Zoe, Phillip Grant, Hector Bonilla, et al.. (2025). Single-Cell and Plasma Proteomics Do Not Differentiate Patients With and Without SARS-CoV-2 Antigenemia in Convalescence in a Cohort of 100 Patients. Open Forum Infectious Diseases. 12(9). ofaf515–ofaf515.

Taki, ‎Anmar Ghanim, et al.. (2025). Liquid biopsy in breast cancer management: From circulating biomarkers to clinical breakthroughs. Journal of Investigative Medicine. 74(3). 195–210.

Wohl, David A., Stacey J. Adam, Kevin W. Gibbs, et al.. (2024). Engaging communities in therapeutics clinical research during pandemics: Experiences and lessons from the ACTIV COVID-19 therapeutics research initiative. Journal of Clinical and Translational Science. 8(1). e156–e156. 1 indexed citations

Grant, Philip, Hector Bonilla, Marisa Holubar, et al.. (2024). Sex differences and immune correlates of Long Covid development, symptom persistence, and resolution. Science Translational Medicine. 16(773). eadr1032–eadr1032. 15 indexed citations

Sharma, Manu, Hanbang Zhang, Gretchen Ehrenkaufer, & Upinder Singh. (2023). Stress Response in Entamoeba histolytica Is Associated with Robust Processing of tRNA to tRNA Halves. mBio. 14(2). e0345022–e0345022. 8 indexed citations

Walter, Katharine S., Renu Verma, Jonathan Altamirano, et al.. (2023). Challenges in Harnessing Shared Within-Host Severe Acute Respiratory Syndrome Coronavirus 2 Variation for Transmission Inference. Open Forum Infectious Diseases. 10(2). ofad001–ofad001. 2 indexed citations

Natarajan, Aravind, Brayon J. Fremin, Danica T. Schmidtke, et al.. (2023). The Tomato Brown Rugose Fruit Virus Movement Protein Gene Is a Novel Microbial Source Tracking Marker. Applied and Environmental Microbiology. 89(7). e0058323–e0058323. 8 indexed citations

Yanagawa, Yasuaki & Upinder Singh. (2023). Diversity and Plasticity of Virulent Characteristics of Entamoeba histolytica. Tropical Medicine and Infectious Disease. 8(5). 255–255. 1 indexed citations

10.

Murugesan, Kanagavel, Prasanna Jagannathan, Jonathan Altamirano, et al.. (2022). Long-Term Accuracy of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Interferon-γ Release Assay and Its Application in Household Investigation. Clinical Infectious Diseases. 75(1). e314–e321. 7 indexed citations

11.

Natarajan, Aravind, Soumaya Zlitni, Erin F. Brooks, et al.. (2022). Gastrointestinal symptoms and fecal shedding of SARS-CoV-2 RNA suggest prolonged gastrointestinal infection. Med. 3(6). 371–387.e9. 234 indexed citations breakdown →

12.

Jacobson, Karen B., Hector Bonilla, Aruna Subramanian, et al.. (2021). Patients With Uncomplicated Coronavirus Disease 2019 (COVID-19) Have Long-Term Persistent Symptoms and Functional Impairment Similar to Patients with Severe COVID-19: A Cautionary Tale During a Global Pandemic. Clinical Infectious Diseases. 73(3). e826–e829. 129 indexed citations

13.

Verma, Renu, et al.. (2021). Variation in Severe Acute Respiratory Syndrome Coronavirus 2 Bioaerosol Production in Exhaled Breath. Open Forum Infectious Diseases. 9(1). ofab600–ofab600. 2 indexed citations

14.

Verma, Renu, Giovanny J. Martínez-Colón, Prasanna Jagannathan, et al.. (2021). SARS-CoV-2 Subgenomic RNA Kinetics in Longitudinal Clinical Samples. Open Forum Infectious Diseases. 8(7). ofab310–ofab310. 17 indexed citations

15.

Jacobson, Karen B., Natasha Purington, Julie Parsonnet, et al.. (2021). Inflammatory but not respiratory symptoms are associated with ongoing upper airway viral shedding in outpatients with uncomplicated COVID-19. Diagnostic Microbiology and Infectious Disease. 102(3). 115612–115612.

16.

Natarajan, Aravind, Alvin Han, Soumaya Zlitni, et al.. (2021). Standardized preservation, extraction and quantification techniques for detection of fecal SARS-CoV-2 RNA. Nature Communications. 12(1). 5753–5753. 21 indexed citations

17.

Morf, Laura, et al.. (2013). Robust gene silencing mediated by antisense small RNAs in the pathogenic protist Entamoeba histolytica. Nucleic Acids Research. 41(20). 9424–9437. 46 indexed citations

18.

Ehrenkaufer, Gretchen, Gareth D. Weedall, Daryl R. Williams, et al.. (2013). The genome and transcriptome of the enteric parasite Entamoeba invadens, a model for encystation. Genome biology. 14(7). R77–R77. 79 indexed citations

19.

Zhang, Hanbang, Gretchen Ehrenkaufer, Neil Hall, & Upinder Singh. (2013). Small RNA pyrosequencing in the protozoan parasite Entamoeba histolytica reveals strain-specific small RNAs that target virulence genes. BMC Genomics. 14(1). 53–53. 23 indexed citations

20.

Petri, William A. & Upinder Singh. (1999). Diagnosis and Management of Amebiasis. Clinical Infectious Diseases. 29(5). 1117–1125. 146 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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