World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
59
Citations
18742
World Ranking
3215
National Ranking
183

Nicolas Barnich 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 Nicolas Barnich 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: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 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: 235 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

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

Nicolas Barnich 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 Nicolas Barnich 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: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 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: 94 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: 59 D-Index — 42nd percentile

42% of scientists in this discipline score the same or lower.

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

Overview

Nicolas Barnich is affiliated with the University of Clermont Auvergne in France. Their research focuses primarily on biochemistry, genetics, and molecular biology, with a significant emphasis on medicine. The subfields they work in include molecular biology, genetics, endocrinology, epidemiology, and immunology.

The main topics covered in their research involve gut microbiota and health, inflammatory bowel disease, Escherichia coli research studies, antibiotic resistance in bacteria, microscopic colitis, probiotics and fermented foods, and Helicobacter pylori-related gastroenterology studies.

The scientist has published numerous articles in respected venues. Frequent publication outlets include:

  • Gastroenterology
  • Gut Microbes
  • Journal of Crohn's and Colitis
  • International Journal of Molecular Sciences
  • bioRxiv (Cold Spring Harbor Laboratory)

Notable recent papers authored or co-authored by Nicolas Barnich are:

  • Pathogenicity Factors of Genomic Islands in Intestinal and Extraintestinal Escherichia coli, 2020, Frontiers in Microbiology
  • Dietary Emulsifiers Directly Impact Adherent-Invasive E. coli Gene Expression to Drive Chronic Intestinal Inflammation, 2020, Cell Reports
  • Colibactin-positive Escherichia coli Induce a Procarcinogenic Immune Environment Leading to Immunotherapy Resistance in Colorectal Cancer, 2020, International Journal of Cancer
  • Autophagy of Intestinal Epithelial Cells Inhibits Colorectal Carcinogenesis Induced by Colibactin-Producing Escherichia coli in Apc Mice, 2020, Gastroenterology
  • Adherent-Invasive E. coli: Update on the Lifestyle of a Troublemaker in Crohn's Disease, 2020, International Journal of Molecular Sciences

The scientist frequently collaborates with colleagues such as Anthony Buisson, Guillaume Dalmasso, Pierre Sauvanet, Adeline Sivignon, and Richard Bonnet.

Best Publications

  • High prevalence of adherent-invasive Escherichia coli associated with ileal mucosa in Crohn’s disease

    Arlette Darfeuille-Michaud;Jérôme Boudeau;Philippe Bulois;Christel Neut

  • Presence of adherent Escherichia coli strains in ileal mucosa of patients with Crohn's disease

    Arlette Darfeuille-Michaud;Christel Neut;Nicolas Barnich;Emmanuel Lederman

  • Lactobacillus acidophilus modulates intestinal pain and induces opioid and cannabinoid receptors.

    Christel Rousseaux;Xavier Thuru;Xavier Thuru;Agathe Gelot;Nicolas Barnich

  • Gut microbiota imbalance and colorectal cancer.

    Johan Gagnière;Jennifer Raisch;Julie Veziant;Nicolas Barnich

  • New insights into the interplay between autophagy, gut microbiota and inflammatory responses in IBD.

    Anaïs Larabi;Nicolas Barnich;Hang Thi Thu Nguyen

  • CEACAM6 acts as a receptor for adherent-invasive E. coli , supporting ileal mucosa colonization in Crohn disease

    Nicolas Barnich;Frédéric A. Carvalho;Anne-Lise Glasser;Claude Darcha

  • Adherent Invasive Escherichia coli Strains from Patients with Crohn's Disease Survive and Replicate within Macrophages without Inducing Host Cell Death

    Anne-Lise Glasser;Jerome Boudeau;Nicolas Barnich;Marie-Helene Perruchot

  • Western diet induces dysbiosis with increased E coli in CEABAC10 mice, alters host barrier function favouring AIEC colonisation

    Margarita Martinez-Medina;Jérémy Denizot;Nicolas Dreux;Frédéric Robin

  • Transient Inability to Manage Proteobacteria Promotes Chronic Gut Inflammation in TLR5-Deficient Mice

    Frederic A. Carvalho;Frederic A. Carvalho;Frederic A. Carvalho;Omry Koren;Julia K. Goodrich;Malin E.V. Johansson

  • Adherent-invasive Escherichia coli in inflammatory bowel disease

    Carolina Palmela;Caroline Chevarin;Zhilu Xu;Joana Torres

  • Western diet induces a shift in microbiota composition enhancing susceptibility to Adherent-Invasive E. coli infection and intestinal inflammation.

    Allison Agus;Jérémy Denizot;Jonathan Thévenot;Margarita Martinez-Medina

  • Crohn's disease adherent-invasive Escherichia coli colonize and induce strong gut inflammation in transgenic mice expressing human CEACAM

    Frédéric A. Carvalho;Nicolas Barnich;Adeline Sivignon;Claude Darcha

  • Membrane recruitment of NOD2 in intestinal epithelial cells is essential for nuclear factor-ΚB activation in muramyl dipeptide recognition

    Nicolas Barnich;Jose E. Aguirre;Hans-Christian Reinecker;Ramnik J Xavier

  • Microbiota, Inflammation and Colorectal Cancer.

    Cécily Lucas;Nicolas Barnich;Hang Thi Thu Nguyen

  • Type 1 pili-mediated adherence of Escherichia coli strain LF82 isolated from Crohn's disease is involved in bacterial invasion of intestinal epithelial cells

    Jérôme Boudeau;Nicolas Barnich;Arlette Darfeuille-Michaud

  • Immunopathogenesis of inflammatory bowel disease

    Julien Matricon;Nicolas Barnich;Denis Ardid

  • Colibactin: More Than a New Bacterial Toxin.

    Tiphanie Faïs;Julien Delmas;Nicolas Barnich;Richard Bonnet

  • Point mutations in FimH adhesin of Crohn's disease-associated adherent-invasive Escherichia coli enhance intestinal inflammatory response.

    Nicolas Dreux;Jérémy Denizot;Margarita Martinez-Medina;Alexander Mellmann

  • Adherent-invasive Escherichia coli and Crohn's disease.

    Nicolas Barnich;Arlette Darfeuille-Michaud

  • Regulatory and functional co‐operation of flagella and type 1 pili in adhesive and invasive abilities of AIEC strain LF82 isolated from a patient with Crohn's disease

    Nicolas Barnich;Jérôme Boudeau;Laurent Claret;Arlette Darfeuille-Michaud

  • Oral exposure to environmental pollutant benzo[a]pyrene impacts the intestinal epithelium and induces gut microbial shifts in murine model

    Céline Ribière;Pierre Peyret;Nicolas Parisot;Claude Darcha

Frequent Co-Authors

Arlette Darfeuille-Michaud
Arlette Darfeuille-Michaud University of Clermont Auvergne
Richard Bonnet
Richard Bonnet University of Clermont Auvergne
Benoit Chassaing
Benoit Chassaing Georgia State University
Jean-Frederic Colombel
Jean-Frederic Colombel Icahn School of Medicine at Mount Sinai
Matthieu Allez
Matthieu Allez Université Paris Cité
Paul Hofman
Paul Hofman Grenoble Alpes University
Daniel K. Podolsky
Daniel K. Podolsky The University of Texas at Dallas
Jean-Pierre Hugot
Jean-Pierre Hugot Université Paris Cité
Harry Sokol
Harry Sokol Sorbonne University
Mathias Chamaillard
Mathias Chamaillard University of Lille

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