Roger Labia

8.7k total citations · 1 hit paper
233 papers, 7.1k citations indexed

About

Roger Labia is a scholar working on Molecular Medicine, Molecular Biology and Pharmacology. According to data from OpenAlex, Roger Labia has authored 233 papers receiving a total of 7.1k indexed citations (citations by other indexed papers that have themselves been cited), including 155 papers in Molecular Medicine, 91 papers in Molecular Biology and 81 papers in Pharmacology. Recurrent topics in Roger Labia's work include Antibiotic Resistance in Bacteria (155 papers), Antibiotics Pharmacokinetics and Efficacy (56 papers) and Bacterial biofilms and quorum sensing (36 papers). Roger Labia is often cited by papers focused on Antibiotic Resistance in Bacteria (155 papers), Antibiotics Pharmacokinetics and Efficacy (56 papers) and Bacterial biofilms and quorum sensing (36 papers). Roger Labia collaborates with scholars based in France, Morocco and Tunisia. Roger Labia's co-authors include A. Philippon, D. Sirot, J. Sirot, George A. Jacoby, Michel Barthélémy, C. Chanal, Jean Péduzzi, El Bachir Chaibi, A Morand and Patrice Nordmann and has published in prestigious journals such as Journal of Biological Chemistry, Clinical Microbiology Reviews and Clinical Infectious Diseases.

In The Last Decade

Roger Labia

227 papers receiving 6.7k citations

Hit Papers

Extended-spectrum beta-lactamases 1989 2026 2001 2013 1989 200 400 600
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 beta-lactamases
    1989 632 citations A. Philippon, Roger Labia 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
Roger Labia France 44 5.8k 2.2k 2.0k 1.8k 1.3k 233 7.1k
Gianfranco Amicosante Italy 47 5.4k 0.9× 2.5k 1.2× 2.2k 1.1× 1.5k 0.8× 1.2k 0.9× 204 7.3k
Kristine M. Hujer United States 41 5.0k 0.9× 1.7k 0.8× 2.0k 1.0× 1.6k 0.9× 916 0.7× 91 6.1k
Michel Doumith United Kingdom 48 4.7k 0.8× 1.7k 0.8× 2.2k 1.1× 1.5k 0.8× 1.2k 0.9× 117 7.8k
Mark A. Toleman United Kingdom 42 8.1k 1.4× 2.8k 1.3× 3.5k 1.7× 1.7k 0.9× 2.6k 2.0× 90 9.7k
Jian–Hua Liu China 41 6.8k 1.2× 1.9k 0.9× 2.6k 1.3× 1.4k 0.8× 3.3k 2.4× 166 8.9k
Carlos Juan Spain 42 4.2k 0.7× 2.4k 1.1× 1.2k 0.6× 1.3k 0.7× 539 0.4× 92 5.2k
Laurent Dortet France 43 6.5k 1.1× 1.5k 0.7× 3.2k 1.6× 1.7k 0.9× 1.3k 1.0× 193 7.8k
Matthew J. Ellington United Kingdom 38 3.7k 0.6× 2.2k 1.0× 1.8k 0.9× 829 0.5× 979 0.7× 86 6.7k
Patricia A. Bradford United States 52 9.0k 1.6× 2.6k 1.2× 3.0k 1.5× 3.4k 1.9× 2.5k 1.9× 122 11.6k
Richard Bonnet France 48 4.5k 0.8× 4.1k 1.9× 2.5k 1.2× 1.0k 0.6× 1.2k 0.9× 170 8.9k

Countries citing papers authored by Roger Labia

Since Specialization
Citations

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

Fields of papers citing papers by Roger Labia

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Roger Labia

This figure shows the co-authorship network connecting the top 25 collaborators of Roger Labia. A scholar is included among the top collaborators of Roger Labia 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 Roger Labia. Roger Labia 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.
Maveyraud, Laurent, Xavier Raquet, Stéphanie Cabantous, et al.. (1998). X-ray Analysis of the NMC-A β-Lactamase at 1.64-Å Resolution, a Class A Carbapenemase with Broad Substrate Specificity. Journal of Biological Chemistry. 273(41). 26714–26721. 74 indexed citations
2.
3.
Rowlands, David T., et al.. (1994). Val-237 for Ala substitution in the TEM-2 β-lactamase dramatically alters the catalytic efficiencies towards carbenicillin and ticarcillin. FEMS Microbiology Letters. 117(3). 333–339. 2 indexed citations
4.
Lenfant, Françoise, Agnès Petit-Paitel, Roger Labia, et al.. (1993). Site‐directed mutagenesis of β‐lactamase TEM‐1. European Journal of Biochemistry. 217(3). 939–946. 30 indexed citations
5.
Barthélémy, Michel, Jean Péduzzi, Hervé Bernard, C Tancrède, & Roger Labia. (1992). Close amino acid sequence relationship between the new plasmid-mediated extended-spectrum β-lactamase MEN-1 and chromosomally encoded enzymes of Klebsiella oxytoca. Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology. 1122(1). 15–22. 121 indexed citations
6.
Petit, A, et al.. (1992). Characterization of chromosomally encoded penicillinases in clinical isolates of Klebsiella pneumoniae. Journal of Antimicrobial Chemotherapy. 29(6). 629–638. 11 indexed citations
7.
Belaaouaj, A., L Gilly, Roger Labia, et al.. (1992). Clinical isolates of Escherichia coli producing TRI β-lactamases: novel TEM-enzymes conferring resistance to β-lactamase inhibitors. Journal of Antimicrobial Chemotherapy. 30(4). 449–462. 94 indexed citations
8.
Kazmierczak, A, et al.. (1989). Sulbactam: Secondary mechanisms of action. Diagnostic Microbiology and Infectious Disease. 12(4). 139–146. 11 indexed citations
9.
Labia, Roger, et al.. (1989). Relationships between β-lactamase production and β-lactam susceptibility of environmental strains of Yersinia kristensenii. Research in Microbiology. 140(8). 667–677. 1 indexed citations
10.
Labia, Roger, et al.. (1986). Bêtalactamases de Klebsiella oxytoca: étude de leur action sur les céphalosporines de troisième génération.. Pathologie Biologie. 34. 21 indexed citations
11.
Barthélémy, Michel, Jean Péduzzi, & Roger Labia. (1985). Distinction entre les structures primaires des β-lactamases TEM-1 et TEM-2. Annales de l Institut Pasteur Microbiologie. 136(3). 311–321. 28 indexed citations
12.
Labia, Roger & Christophe Morin. (1984). Obtention d'un .ALPHA.-amino aldehyde optiquement actif en serie .BETA.-lactame.. Chemistry Letters. 1007–1008. 1 indexed citations
13.
Labia, Roger, et al.. (1984). The affinity of cefotaxime and its anti isomer for penicillin-binding proteins, measured by means of a new radioactive penicillin. 10(1). 27–31. 2 indexed citations
14.
Guibourdenche, M, E. Collatz, Patrice Courvalin, et al.. (1983). Recherche de beta-lactamase chez Neisseria gonorrhoeae par une adaptation en gel de la méthode iodométrique.. Annales de biologie clinique. 41(3). 4 indexed citations
15.
Kitzis, M, F. W. Goldstein, Roger Labia, & J. F. Acar. (1983). Synergic activity between sulbactam and clavulanic acid onAcinetobacter calcoaceticus.. 163–168.
16.
Labia, Roger, et al.. (1981). Behaviour of ceftazidime towards  -lactamases. Journal of Antimicrobial Chemotherapy. 8(suppl B). 141–146. 9 indexed citations
17.
Labia, Roger, et al.. (1980). Some bacterial proteins with affinity for cefotaxime. Journal of Antimicrobial Chemotherapy. 6(suppl A). 19–23. 14 indexed citations
18.
Labia, Roger, Michel Barthélémy, & Jean‐Michel Masson. (1976). [Multiplicity of beta lactamases: a problem of isoenzymes].. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 283(14). 1597–600. 17 indexed citations
19.
Labia, Roger, et al.. (1976). Céphalosporinases constitutives de Escherichia coli. 6 indexed citations
20.
Goffic, François Le & Roger Labia. (1974). LA CÉPHRADINE: Détermination de quelques données pharmacocinétiques et enzymatiques. Médecine et Maladies Infectieuses. 4(9). 505–510. 1 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Gianfranco Amicosante Breakdown of academic impact, for papers by Kristine M. Hujer Breakdown of academic impact, for papers by Michel Doumith Breakdown of academic impact, for papers by Mark A. Toleman Breakdown of academic impact, for papers by Jian–Hua Liu Breakdown of academic impact, for papers by Carlos Juan Breakdown of academic impact, for papers by Laurent Dortet Breakdown of academic impact, for papers by Matthew J. Ellington Breakdown of academic impact, for papers by Patricia A. Bradford Breakdown of academic impact, for papers by Richard Bonnet
Rankless by CCL
2026