Karl Swann

11.4k total citations · 1 hit paper
139 papers, 9.4k citations indexed

About

Karl Swann is a scholar working on Public Health, Environmental and Occupational Health, Reproductive Medicine and Molecular Biology. According to data from OpenAlex, Karl Swann has authored 139 papers receiving a total of 9.4k indexed citations (citations by other indexed papers that have themselves been cited), including 103 papers in Public Health, Environmental and Occupational Health, 70 papers in Reproductive Medicine and 46 papers in Molecular Biology. Recurrent topics in Karl Swann's work include Reproductive Biology and Fertility (102 papers), Sperm and Testicular Function (68 papers) and Ovarian function and disorders (39 papers). Karl Swann is often cited by papers focused on Reproductive Biology and Fertility (102 papers), Sperm and Testicular Function (68 papers) and Ovarian function and disorders (39 papers). Karl Swann collaborates with scholars based in United Kingdom, Greece and United States. Karl Swann's co-authors include F. Anthony Lai, John Carroll, Michael Whitaker, John Parrington, Christopher M. Saunders, Mark G. Larman, Michail Nomikos, Jean‐Pierre Ozil, Yuansong Yu and M Whitaker and has published in prestigious journals such as Nature, Journal of Biological Chemistry and Nature Communications.

In The Last Decade

Karl Swann

139 papers receiving 9.1k citations

Hit Papers

1 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.

PLCζ: a sperm-specific trigger of Ca2+ oscillations in eggs and embryo development

2002 804 citations John Parrington, Karl Swann et al. Development profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Karl Swann United Kingdom	58	6.9k	5.1k	3.3k	1.1k	757	139	9.4k
Gregory S. Kopf United States	60	7.8k 1.1×	8.2k 1.6×	3.3k 1.0×	1.7k 1.5×	807 1.1×	137	11.7k
Laurinda A. Jaffe United States	49	3.5k 0.5×	2.3k 0.5×	3.0k 0.9×	644 0.6×	1.1k 1.4×	96	6.9k
John Carroll United Kingdom	52	4.8k 0.7×	2.6k 0.5×	3.3k 1.0×	786 0.7×	1.1k 1.4×	106	7.1k
F. Anthony Lai United Kingdom	56	3.5k 0.5×	2.8k 0.6×	6.7k 2.0×	752 0.7×	955 1.3×	191	10.7k
Keith T. Jones United Kingdom	46	3.7k 0.5×	2.1k 0.4×	2.7k 0.8×	592 0.5×	1.6k 2.1×	105	5.7k
John Parrington United Kingdom	46	3.0k 0.4×	2.6k 0.5×	2.0k 0.6×	720 0.6×	801 1.1×	123	7.0k
Edward M. Eddy United States	45	3.2k 0.5×	4.6k 0.9×	3.6k 1.1×	3.1k 2.8×	459 0.6×	111	8.4k
Jonathan Van Blerkom United States	47	6.0k 0.9×	3.6k 0.7×	3.7k 1.1×	807 0.7×	806 1.1×	96	8.8k
Dirk G. de Rooij Netherlands	82	9.1k 1.3×	11.9k 2.3×	12.4k 3.7×	8.3k 7.3×	876 1.2×	288	22.5k
Norman B. Hecht United States	53	2.4k 0.3×	3.5k 0.7×	6.1k 1.8×	3.4k 3.0×	410 0.5×	185	9.1k

Countries citing papers authored by Karl Swann

Since Specialization

Citations

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

Fields of papers citing papers by Karl Swann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Karl Swann

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

Jurkowski, Tomasz P., et al.. (2023). Sperm induce a secondary increase in ATP levels in mouse eggs that is independent of Ca2+ oscillations. Biochemical Journal. 480(24). 2023–2035. 3 indexed citations

Thanassoulas, Angelos, Karl Swann, F. Anthony Lai, & Michail Nomikos. (2022). SPERM FACTORS AND EGG ACTIVATION: The structure and function relationship of sperm PLCZ1. Reproduction. 164(1). F1–F8. 16 indexed citations

Woolley, Thomas E., et al.. (2021). Vitrifying multiple embryos in different arrangements does not alter the cooling rate. Cryobiology. 103. 22–31. 2 indexed citations

FitzHarris, Greg, John Carroll, & Karl Swann. (2018). Electrical-assisted microinjection for analysis of fertilization and cell division in mammalian oocytes and early embryos. Methods in cell biology. 144. 431–440. 12 indexed citations

Bradley, Josephine, Iestyn Pope, Francesco Masia, et al.. (2016). Quantitative imaging of lipids in live mouse oocytes and early embryos using CARS microscopy. Development. 143(12). 2238–47. 70 indexed citations

Nomikos, Michail, Jessica R. Sanders, Dimitris Parthimos, et al.. (2015). Essential Role of the EF-hand Domain in Targeting Sperm Phospholipase Cζ to Membrane Phosphatidylinositol 4,5-Bisphosphate (PIP2). Journal of Biological Chemistry. 290(49). 29519–29530. 32 indexed citations

Kashir, Junaid, Michail Nomikos, F. Anthony Lai, & Karl Swann. (2014). Sperm-induced Ca2+ release during egg activation in mammals. Biochemical and Biophysical Research Communications. 450(3). 1204–1211. 56 indexed citations

Macháty, Zoltán, et al.. (2012). The dynamics of PKC‐induced phosphorylation triggered by Ca²⁺ oscillations in mouse eggs. Journal of Cellular Physiology. 228(1). 110–119. 16 indexed citations

Yu, Yuansong, Michail Nomikos, Maria Theodoridou, et al.. (2011). PLCζ causes Ca ²⁺ oscillations in mouse eggs by targeting intracellular and not plasma membrane PI(4,5)P ₂. Molecular Biology of the Cell. 23(2). 371–380. 74 indexed citations

10.

Yu, Yuansong, Rémi Dumollard, Andreas Rossbach, F. Anthony Lai, & Karl Swann. (2010). Redistribution of mitochondria leads to bursts of ATP production during spontaneous mouse oocyte maturation. Journal of Cellular Physiology. 224(3). 672–680. 201 indexed citations

11.

Yu, Yuansong, Guillaume Halet, F. Anthony Lai, & Karl Swann. (2008). Regulation of diacylglycerol production and protein kinase C stimulation during sperm‐ and PLCζ‐mediated mouse egg activation. Biology of the Cell. 100(11). 633–643. 28 indexed citations

12.

Parrington, John, et al.. (2001). Mammalian sperm contain a Ca2+-sensitive phospholipase C activity that can generate InsP(3) from PIP2 associated with intracellular organelles (vol 228, pg 125, 2000). Developmental Biology. 239. 388–388. 3 indexed citations

13.

Matsuda, Miho, Hugh F. Paterson, Amanda Fensome, et al.. (2001). Real Time Fluorescence Imaging of Plcγ Translocation and Its Interaction with the Epidermal Growth Factor Receptor. The Journal of Cell Biology. 153(3). 599–612. 72 indexed citations

14.

Matsuda, Miho, Olga Perišić, Jerónimo Bravo, et al.. (2001). Tyrosine Residues in Phospholipase Cγ2 Essential for the Enzyme Function in B-cell Signaling. Journal of Biological Chemistry. 276(51). 47982–47992. 71 indexed citations

15.

Kono, Tomohiro, John Carroll, Karl Swann, & David G. Whittingham. (1995). Nuclei from fertilized mouse embryos have calcium-releasing activity. Development. 121(4). 1123–1128. 79 indexed citations

16.

Homa, Sheryl T. & Karl Swann. (1994). Fertilization and early embryology: A cytosolic sperm factor triggers calcium oscillations and membrane hyperpolarizations in human oocytes. Human Reproduction. 9(12). 2356–2361. 136 indexed citations

17.

Swann, Karl. (1993). The soluble sperm oscillogen hypothesis. Zygote. 1(4). 273–276. 48 indexed citations

18.

Whalley, Tim, et al.. (1992). Internal calcium release and activation of sea urchin eggs by cGMP are independent of the phosphoinositide signaling pathway.. Molecular Biology of the Cell. 3(3). 373–383. 58 indexed citations

19.

Swann, Karl. (1991). Thimerosal causes calcium oscillations and sensitizes calcium‐induced calcium release in unfertilized hamster eggs. FEBS Letters. 278(2). 175–178. 117 indexed citations

20.

Swann, Karl, et al.. (1990). Second messengers at fertilization in sea-urchin eggs.. PubMed. 42. 141–53. 34 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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