World's Best Scientists 2026 revealed!
Jean-Claude Sirard

Jean-Claude Sirard

D-Index & Metrics

Microbiology

D-Index
48
Citations
9854
World Ranking
4656
National Ranking
278

Jean-Claude Sirard publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Jean-Claude Sirard sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 128 publications — 16th percentile

16% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Jean-Claude Sirard D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Jean-Claude Sirard sits on this spectrum.

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 48 D-Index — 16th percentile

16% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Overview

Jean-Claude Sirard is affiliated with the Institut Pasteur in France and has conducted extensive research in the field of medicine, particularly focusing on epidemiology, pulmonary and respiratory medicine, and immunology. Their work also covers microbiology and molecular medicine areas, contributing to a deeper understanding of respiratory infections and immune responses.

The primary research topics addressed by Jean-Claude Sirard include:

  • Pneumonia and Respiratory Infections
  • Immune Response and Inflammation
  • Neonatal Respiratory Health Research
  • Respiratory Viral Infections Research
  • Influenza Virus Research Studies
  • Antibiotic Resistance in Bacteria
  • Bacterial Infections and Vaccines

Jean-Claude Sirard has frequently published in several scientific venues with notable contributions appearing in:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Cell Host & Microbe
  • Antimicrobial Agents and Chemotherapy
  • Pharmaceutics
  • Proceedings of the National Academy of Sciences

Their recent influential papers encompass the following:

  • Exploration of Bacterial Bottlenecks and Streptococcus pneumoniae Pathogenesis by CRISPRi-Seq, 2020, Cell Host & Microbe
  • Synthetic gene-regulatory networks in the opportunistic human pathogen Streptococcus pneumoniae, 2020, Proceedings of the National Academy of Sciences
  • Competence remodels the pneumococcal cell wall exposing key surface virulence factors that mediate increased host adherence, 2023, PLoS Biology
  • mTOR-driven glycolysis governs induction of innate immune responses by bronchial epithelial cells exposed to the bacterial component flagellin, 2021, Mucosal Immunology
  • Bronchial epithelial DNA methyltransferase 3b dampens pulmonary immune responses during Pseudomonas aeruginosa infection, 2021, PLoS Pathogens

Collaboration is an integral part of Jean-Claude Sirard's research, with frequent co-authors including:

  • Mara Baldry
  • Delphine Cayet
  • Jan-Willem Veening
  • Christophe Carnoy
  • Charlotte Costa

Best Publications

  • Bacterial flagellins: mediators of pathogenicity and host immune responses in mucosa

    Hugo Cruz Ramos;Martin Rumbo;Jean Claude Sirard

  • Dendritic cells rapidly recruited into epithelial tissues via CCR6/CCL20 are responsible for CD8+ T cell crosspriming in vivo.

    Marie Le Borgne;Marie Le Borgne;Nathalie Etchart;Nathalie Etchart;Anne Goubier;Anne Goubier;Sergio A. Lira

  • Sustained desensitization to bacterial Toll-like receptor ligands after resolution of respiratory influenza infection.

    Arnaud Didierlaurent;John Goulding;Seema Patel;Robert Snelgrove

  • Flagellin stimulation of intestinal epithelial cells triggers CCL20-mediated migration of dendritic cells

    Frédéric Sierro;Bertrand Dubois;Alix Coste;Dominique Kaiserlian

  • The Microbiota Mediates Pathogen Clearance from the Gut Lumen after Non-Typhoidal Salmonella Diarrhea

    Kathrin Endt;Baerbel Stecher;Samuel Chaffron;Emma Slack

  • Flagellin Promotes Myeloid Differentiation Factor 88-Dependent Development of Th2-Type Response

    Arnaud Didierlaurent;Isabel Ferrero;Luc A. Otten;Bertrand Dubois

  • A key role of dendritic cells in probiotic functionality.

    Benoit Foligne;Georgia Zoumpopoulou;Joelle Dewulf;Amena Ben Younes

  • Lactate and short chain fatty acids produced by microbial fermentation downregulate proinflammatory responses in intestinal epithelial cells and myeloid cells.

    Carolina Iraporda;Agustina Juliana Errea;David Emmanuel Romanin;Delphine Cayet

  • Exposure to Bacterial CpG DNA Protects from Airway Allergic Inflammation by Expanding Regulatory Lung Interstitial Macrophages.

    Catherine Sabatel;Coraline Radermecker;Laurence Fievez;Genevieve Paulissen

  • Tollip regulates proinflammatory responses to interleukin-1 and lipopolysaccharide.

    Arnaud Didierlaurent;Brian Brissoni;Dominique Velin;Natalia Aebi

  • Role of Toll-like receptors in costimulating cytotoxic T cell responses.

    Katrin Schwarz;Tazio Storni;Vania Manolova;Arnaud Didierlaurent

  • THE ATXA GENE PRODUCT ACTIVATES TRANSCRIPTION OF THE ANTHRAX TOXIN GENES AND IS ESSENTIAL FOR VIRULENCE

    Zhihao Dai;Jean‐Claude ‐C Sirard;Michèle Mock;Theresa M Koehler

  • Activation of Type 3 Innate Lymphoid Cells and Interleukin 22 Secretion in the Lungs During Streptococcus pneumoniae Infection

    Laurye Van Maele;Christophe Carnoy;Delphine Cayet;Stoyan Ivanov

  • The three Bacillus anthracis toxin genes are coordinately regulated by bicarbonate and temperature.

    J C Sirard;M Mock;A Fouet

  • Characterization of the Bacillus anthracis S-layer: cloning and sequencing of the structural gene.

    I Etienne-Toumelin;J C Sirard;E Duflot;M Mock

  • Live attenuated Salmonella: a paradigm of mucosal vaccines.

    Jean-Claude Sirard;Florence Niedergang;Jean-Pierre Kraehenbuhl

  • Role of toxin functional domains in anthrax pathogenesis.

    Fabien Brossier;Martine Weber-Levy;Michele Mock;Jean-Claude Sirard

  • Interleukin-22 Reduces Lung Inflammation during Influenza A Virus Infection and Protects against Secondary Bacterial Infection

    Stoyan Ivanov;Joelle Renneson;Josette Fontaine;Adeline Barthelemy

  • Mucosal Administration of Flagellin Protects Mice from Streptococcus pneumoniae Lung Infection

    Natalia Muñoz;Laurye Van Maele;Juan M. Marqués;Analía Rial

  • How the gut senses its content.

    Arnaud Didierlaurent;Jean-Claude Sirard;Jean-Pierre Kraehenbuhl;Marian R. Neutra

  • Entry and survival of Salmonella typhimurium in dendritic cells and presentation of recombinant antigens do not require macrophage-specific virulence factors.

    Florence Niedergang;Jean-Claude Sirard;Corinne Tallichet Blanc;Jean-Pierre Kraehenbuhl

Frequent Co-Authors

Michèle Mock
Michèle Mock Institut Pasteur
Jean-Pierre Kraehenbuhl
Jean-Pierre Kraehenbuhl University of Lausanne
François Trottein
François Trottein Institut Pasteur
Arnaud Didierlaurent
Arnaud Didierlaurent University of Geneva
Jean-Christophe Renauld
Jean-Christophe Renauld Université Catholique de Louvain
Agnès Fouet
Agnès Fouet Institut Cochin
Laure Dumoutier
Laure Dumoutier Université Catholique de Louvain
Gérard Eberl
Gérard Eberl Université Paris Cité
Bernhard Ryffel
Bernhard Ryffel University of Orléans

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