Agnès Ullmann

5.0k total citations · 1 hit paper
72 papers, 4.0k citations indexed

About

Agnès Ullmann is a scholar working on Molecular Biology, Genetics and Microbiology. According to data from OpenAlex, Agnès Ullmann has authored 72 papers receiving a total of 4.0k indexed citations (citations by other indexed papers that have themselves been cited), including 52 papers in Molecular Biology, 33 papers in Genetics and 12 papers in Microbiology. Recurrent topics in Agnès Ullmann's work include Bacterial Genetics and Biotechnology (29 papers), RNA and protein synthesis mechanisms (20 papers) and Bacterial Infections and Vaccines (12 papers). Agnès Ullmann is often cited by papers focused on Bacterial Genetics and Biotechnology (29 papers), RNA and protein synthesis mechanisms (20 papers) and Bacterial Infections and Vaccines (12 papers). Agnès Ullmann collaborates with scholars based in France, United States and India. Agnès Ullmann's co-authors include Daniel Ladant, Gouzel Karimova, Josette Pidoux, Jacques Monod, François Jacob, David M. Perrin, Peter Šebo, Antoine Danchin, T. Erdös and Michèle Mock and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Journal of Biological Chemistry.

In The Last Decade

Agnès Ullmann

67 papers receiving 3.8k citations

Hit Papers

A bacterial two-hybrid sy... 1998 2026 2007 2016 1998 400 800 1.2k
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. A bacterial two-hybrid system based on a reconstituted signal transduction pathway
    1998 1.3k citations Gouzel Karimova, Josette Pidoux et al. profile →

Author Peers

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

Author Last Decade Papers Cites
Agnès Ullmann 2.8k 1.7k 569 527 492 72 4.0k
Gad Glaser 3.0k 1.1× 2.5k 1.5× 649 1.1× 1.3k 2.5× 302 0.6× 66 4.6k
J Beckwith 3.3k 1.2× 2.2k 1.3× 604 1.1× 846 1.6× 151 0.3× 35 4.7k
Claude Lazdunski 3.8k 1.3× 2.7k 1.6× 767 1.3× 893 1.7× 226 0.5× 154 5.2k
Russell E. Bishop 1.9k 0.7× 1.1k 0.6× 704 1.2× 319 0.6× 483 1.0× 45 3.4k
Harris D. Bernstein 3.9k 1.4× 2.9k 1.7× 898 1.6× 1.3k 2.4× 265 0.5× 93 5.4k
Philippe Delepelaire 2.9k 1.0× 1.5k 0.9× 680 1.2× 511 1.0× 180 0.4× 65 4.8k
Bauke Oudega 3.5k 1.3× 2.9k 1.7× 1.1k 2.0× 1.2k 2.3× 210 0.4× 114 5.1k
Cécile Wandersman 2.1k 0.7× 1.4k 0.8× 603 1.1× 441 0.8× 157 0.3× 48 3.7k
Roland Lange 2.4k 0.8× 1.9k 1.1× 500 0.9× 667 1.3× 153 0.3× 29 3.4k
Christophe Grangeasse 2.5k 0.9× 1.3k 0.8× 316 0.6× 898 1.7× 272 0.6× 92 3.8k

Countries citing papers authored by Agnès Ullmann

Since Specialization
Citations

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

Fields of papers citing papers by Agnès Ullmann

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Agnès Ullmann

This figure shows the co-authorship network connecting the top 25 collaborators of Agnès Ullmann. A scholar is included among the top collaborators of Agnès Ullmann 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 Agnès Ullmann. Agnès Ullmann 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.
Ullmann, Agnès. (2013). François Jacob (1920–2013). Research in Microbiology. 164(7). 811–813.
2.
Ullmann, Agnès. (2007). The French school of molecular biology. Research in Microbiology. 159(1). 15–20. 1 indexed citations
3.
Karimova, Gouzel, Daniel Ladant, & Agnès Ullmann. (2002). Two-hybrid systems and their usage in infection biology. International Journal of Medical Microbiology. 292(1). 17–25. 9 indexed citations
4.
Karimova, Gouzel, Agnès Ullmann, & Daniel Ladant. (2000). [5] A bacterial two-hybrid system that exploits a cAMP signaling cascade in Escherichia coli. Methods in enzymology on CD-ROM/Methods in enzymology. 328. 59–73. 128 indexed citations
5.
Guermonprez, Pierre, Catherine Fayolle, Gouzel Karimova, et al.. (2000). [32] Bordetella pertussis adenylate cyclase toxin: A vehicle to deliver CD8-positive T-cell epitopes into antigen-presenting cells. Methods in enzymology on CD-ROM/Methods in enzymology. 326. 527–542. 15 indexed citations
6.
Pidoux, Josette, et al.. (1998). Pleiotropic effects of cAMP on germination, antibiotic biosynthesis and morphological development in Streptomyces coelicolor. Molecular Microbiology. 30(1). 33–46. 102 indexed citations
7.
Goyard, Sophie, et al.. (1997). The Bordetella pertussis sigma subunit of RNA polymerase confers enhanced expression of fha in Escherichia coli. Molecular Microbiology. 23(5). 945–954. 8 indexed citations
8.
Hackett, Murray, Lin Guo, Mary C. Gray, et al.. (1995). Hemolytic, but Not Cell-invasive Activity, of Adenylate Cyclase Toxin Is Selectively Affected by Differential Fatty-acylation in Escherichia coli. Journal of Biological Chemistry. 270(35). 20250–20253. 80 indexed citations
9.
Iwaki, Masaaki, Agnès Ullmann, & Peter Šebo. (1995). Identification by in vitro complementation of regions required for cell‐invasive activity of Bordetella pertussis adenylate cyclase toxin. Molecular Microbiology. 17(6). 1015–1024. 61 indexed citations
10.
Ullmann, Agnès & Michèle Mock. (1994). A Particular Class of Virulence Factors: Calmodulin-activated Bacterial Adenylate Cyclases. Zentralblatt für Bakteriologie. 281(3). 284–295. 2 indexed citations
11.
Mock, Michèle & Agnès Ullmann. (1993). Calmodulin-activated bacterial adenylate cyclases as virulence factors. Trends in Microbiology. 1(5). 187–192. 46 indexed citations
12.
Ullmann, Agnès. (1992). Roots: Complementation in β‐galactosidase: From protein structure to genetic engineering. BioEssays. 14(3). 201–205. 31 indexed citations
13.
Šebo, Peter, Philippe Glaser, Hiroshi Sakamoto, & Agnès Ullmann. (1991). High-level synthesis of active adenylate cyclase toxin of Bordetella pertussis in a reconstructed Escherichia coli system. Gene. 104(1). 19–24. 83 indexed citations
14.
Blazy, B. & Agnès Ullmann. (1990). Two different mechanisms for urea action at the LAC and TNA operons in Escherichia coli. Molecular and General Genetics MGG. 220(3). 419–424. 3 indexed citations
15.
Park, Insoo, William Saurin, & Agnès Ullmann. (1988). A highly conserved 530 base-pair repeated DNA sequence specific forBordetella pertussis. FEMS Microbiology Letters. 52(1-2). 19–24. 18 indexed citations
16.
Monneron, Ariane, Daniel Ladant, Jacques d’Alayer, et al.. (1988). Immunological relatedness between Bordetella pertussis and rat brain adenylyl cyclases. Biochemistry. 27(2). 536–539. 25 indexed citations
17.
Monod, Jacques, et al.. (1987). From enzyme adaptation to natural philosophy : heritage from Jacques Monod : proceedings of the Symposium "Jacques Monod and Molecular Biology, Yesterday and Today" held in Trani, Italy, 13-15 December 1986. Elsevier eBooks. 1 indexed citations
18.
Crenon, Isabelle & Agnès Ullmann. (1984). The role of cyclic AMP excretion in the regulation of enzyme synthesis inEscherichia coli. FEMS Microbiology Letters. 22(1). 47–51. 7 indexed citations
19.
Ullmann, Agnès & David M. Perrin. (1970). Chapter VII: Complementation in β -galactosidase. Cold Spring Harbor Monograph Archive. 1. 143–172. 1 indexed citations
20.
Ullmann, Agnès & Jacques Monod. (1968). Cyclic AMP as an antagonist of catabolite repression in Escherichia coli. FEBS Letters. 2(1). 57–60. 149 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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