Christa Ewers

8.6k total citations · 2 hit papers
146 papers, 6.2k citations indexed

About

Christa Ewers is a scholar working on Endocrinology, Molecular Medicine and Food Science. According to data from OpenAlex, Christa Ewers has authored 146 papers receiving a total of 6.2k indexed citations (citations by other indexed papers that have themselves been cited), including 70 papers in Endocrinology, 58 papers in Molecular Medicine and 31 papers in Food Science. Recurrent topics in Christa Ewers's work include Antibiotic Resistance in Bacteria (58 papers), Escherichia coli research studies (53 papers) and Salmonella and Campylobacter epidemiology (27 papers). Christa Ewers is often cited by papers focused on Antibiotic Resistance in Bacteria (58 papers), Escherichia coli research studies (53 papers) and Salmonella and Campylobacter epidemiology (27 papers). Christa Ewers collaborates with scholars based in Germany, Egypt and United States. Christa Ewers's co-authors include Lothar H. Wieler, Sebastian Guenther, Torsten Semmler, Astrid Bethe, Esther-Maria Antão, Traute Janßen, Hans-C. Philipp, Ines Diehl, Antina Lübke‐Becker and Claudia Laturnus and has published in prestigious journals such as Journal of Biological Chemistry, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Christa Ewers

141 papers receiving 6.0k citations

Hit Papers

Extended-spectrum β-lactamase-producing and AmpC-producin... 2007 2026 2013 2019 2012 2007 100 200 300 400 500
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.

  1. Extended-spectrum β-lactamase-producing and AmpC-producing Escherichia coli from livestock and companion animals, and their putative impact on public health: a global perspective
    2012 528 citations Christa Ewers, Astrid Bethe et al. Clinical Microbiology and Infection profile →
  2. Avian pathogenic, uropathogenic, and newborn meningitis-causing Escherichia coli: How closely related are they?
    2007 456 citations Christa Ewers et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Christa Ewers Germany 39 3.4k 3.0k 1.7k 1.2k 1.1k 146 6.2k
Jean-Yves Madec France 37 3.2k 0.9× 1.7k 0.6× 1.1k 0.7× 1.4k 1.1× 897 0.8× 143 4.9k
Salvatore Cosentino Denmark 8 3.3k 1.0× 2.1k 0.7× 1.7k 1.0× 845 0.7× 2.4k 2.3× 10 6.5k
Torsten Semmler Germany 39 2.5k 0.7× 1.7k 0.6× 1.1k 0.6× 1.1k 0.9× 1.1k 1.1× 144 4.9k
Marisa Haenni France 38 2.6k 0.8× 1.3k 0.4× 1.1k 0.6× 1.2k 1.0× 1.1k 1.0× 165 4.7k
Sebastian Guenther Germany 40 2.9k 0.9× 1.6k 0.5× 1.1k 0.7× 1.4k 1.2× 848 0.8× 102 4.8k
Steven P. Djordjevic Australia 50 2.1k 0.6× 2.2k 0.7× 1.6k 0.9× 885 0.7× 1.7k 1.6× 234 8.0k
Aurora García-Fernández Italy 28 4.6k 1.3× 2.5k 0.8× 1.6k 0.9× 1.4k 1.1× 1.5k 1.4× 39 6.1k
Ea Zankari Denmark 9 5.1k 1.5× 2.9k 1.0× 2.2k 1.3× 1.5k 1.2× 2.8k 2.6× 9 8.5k
Beatriz Guerra Germany 51 4.7k 1.4× 2.5k 0.8× 3.3k 1.9× 2.2k 1.8× 1.8k 1.6× 128 8.3k
Burkhard Malorny Germany 40 1.8k 0.5× 1.9k 0.6× 3.4k 1.9× 787 0.6× 1.7k 1.6× 115 6.1k

Countries citing papers authored by Christa Ewers

Since Specialization
Citations

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

Fields of papers citing papers by Christa Ewers

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Christa Ewers

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

All Works

20 of 20 papers shown
1.
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Prenger‐Berninghoff, Ellen, et al.. (2024). Repeated Occurrence of Mobile Colistin Resistance Gene-Carrying Plasmids in Pathogenic Escherichia coli from German Pig Farms. Microorganisms. 12(4). 729–729. 2 indexed citations
3.
Schotte, Ulrich, Raphaël Rakotozandrindrainy, Silver A. Wolf, et al.. (2024). ESBL-Type and AmpC-Type Beta-Lactamases in Third Generation Cephalosporin-Resistant Enterobacterales Isolated from Animal Feces in Madagascar. Animals. 14(5). 741–741. 1 indexed citations
4.
Woelfing, Benno, Wolfgang Baumgärtner, Peter Wohlsein, et al.. (2023). Pathomorphological Findings and Infectious Diseases in Selected European Brown Hare (Lepus europaeus Pallas, 1778) Populations from Schleswig-Holstein, Germany. Pathogens. 12(11). 1317–1317.
5.
Wohlsein, Peter, Katharina Raue, Christina Strübe, et al.. (2023). Status of Infectious Diseases in Free-Ranging European Brown Hares (Lepus europaeus) Found Dead between 2017 and 2020 in Schleswig-Holstein, Germany. Pathogens. 12(2). 239–239. 8 indexed citations
6.
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Schneider, Juliane, et al.. (2023). Brucella suis biovar 1 infection in a dog with orchitis in Germany. Frontiers in Veterinary Science. 10. 1233118–1233118. 4 indexed citations
8.
Valček, Adam, Søren Overballe‐Petersen, Ibrahim Bitar, et al.. (2021). Horsing Around: Escherichia coli ST1250 of Equine Origin Harboring Epidemic IncHI1/ST9 Plasmid with bla CTX-M-1 and an Operon for Short-Chain Fructooligosaccharide Metabolism. Antimicrobial Agents and Chemotherapy. 65(5). 3 indexed citations
9.
IJsseldijk, Lonneke L., Miguel L. Grilo, Jan Lakemeyer, et al.. (2020). Pathological Findings in White-Beaked Dolphins (Lagenorhynchus albirostris) and Atlantic White-Sided Dolphins (Lagenorhynchus acutus) From the South-Eastern North Sea. Frontiers in Veterinary Science. 7. 262–262. 7 indexed citations
10.
Zschöck, M., et al.. (2016). New polymorphisms within the variable number tandem repeat (VNTR) 7 locus of Mycobacterium avium subsp. paratuberculosis. Molecular and Cellular Probes. 30(3). 132–137. 8 indexed citations
11.
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Díaz‐Sánchez, Sandra, et al.. (2013). A Colibacillosis Outbreak in Farmed Red-Legged Partridges (Alectoris rufa). Avian Diseases. 57(1). 143–146. 6 indexed citations
13.
Ewers, Christa, et al.. (2012). ESBL-produzierende E. coli und EHEC bei Hunden und Katzen in Tirol als mögliche Quelle für humane Infektionen. Berliner und Münchener tierärztliche Wochenschrift. 125. 1 indexed citations
14.
Ewers, Christa, Astrid Bethe, Torsten Semmler, Sebastian Guenther, & Lothar H. Wieler. (2012). Extended-spectrum β-lactamase-producing and AmpC-producing Escherichia coli from livestock and companion animals, and their putative impact on public health: a global perspective. Clinical Microbiology and Infection. 18(7). 646–655. 528 indexed citations breakdown →
15.
Köndgen, Sophie, Felix Lankester, Astrid Bethe, et al.. (2011). Pasteurella multocida Involved in Respiratory Disease of Wild Chimpanzees. PLoS ONE. 6(9). e24236–e24236. 29 indexed citations
16.
Jadhav, Savita, Arif Hussain, Savita Devi, et al.. (2011). Virulence Characteristics and Genetic Affinities of Multiple Drug Resistant Uropathogenic Escherichia coli from a Semi Urban Locality in India. PLoS ONE. 6(3). e18063–e18063. 100 indexed citations
17.
Guenther, Sebastian, Mirjam Grobbel, Mathias Schlegel, et al.. (2010). First insights into antimicrobial resistance among faecal Escherichia coli isolates from small wild mammals in rural areas. The Science of The Total Environment. 408(17). 3519–3522. 59 indexed citations
18.
Bethe, Astrid, et al.. (2009). Genetic diversity of porcine Pasteurella multocida strains from the respiratory tract of healthy and diseased swine. Veterinary Microbiology. 139(1-2). 97–105. 49 indexed citations
19.
Schierack, Peter, Kristina Kadlec, Sebastian Guenther, et al.. (2009). Antimicrobial resistances do not affect colonization parameters of intestinal E. coli in a small piglet group. Gut Pathogens. 1(1). 18–18. 13 indexed citations
20.
Guenther, Sebastian, Peter Schierack, Mirjam Grobbel, et al.. (2008). Real-time PCR assay for the detection of species of the genus Mannheimia. Journal of Microbiological Methods. 75(1). 75–80. 24 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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