World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
83
Citations
19680
World Ranking
1018
National Ranking
58

Overview

What is he best known for?

The fields of study he is best known for:

  • Gene
  • Bacteria
  • DNA

His primary areas of study are Microbiology, Neisseria meningitidis, Pilus, Cell biology and Bacteria. Xavier Nassif has researched Microbiology in several fields, including Achromobacter xylosoxidans and Gene, Escherichia coli. His Neisseria meningitidis study integrates concerns from other disciplines, such as Meningitis, Blood–brain barrier, Pilin, Bacterial outer membrane and Neisseria.

The various areas that Xavier Nassif examines in his Pilus study include Mutation, Mutant and Neisseria gonorrhoeae. His Cell biology research incorporates elements of Endothelial stem cell, Endothelium, Host cell surface and Vinculin. His Bacteria research includes themes of Chromatography and Mass spectrometry.

His most cited work include:

  • MALDI-TOF mass spectrometry tools for bacterial identification in clinical microbiology laboratory. (286 citations)
  • Real-Time Identification of Bacteria and Candida Species in Positive Blood Culture Broths by Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry (245 citations)
  • Rapid Identification of Staphylococci Isolated in Clinical Microbiology Laboratories by Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry (211 citations)

What are the main themes of his work throughout his whole career to date?

Xavier Nassif mainly focuses on Microbiology, Neisseria meningitidis, Pilus, Virulence and Gene. His studies in Microbiology integrate themes in fields like Escherichia coli, Mutant and Bacteria. The study incorporates disciplines such as Immunology, Purpura fulminans and Blood–brain barrier in addition to Neisseria meningitidis.

Within one scientific family, Xavier Nassif focuses on topics pertaining to Endothelium under Blood–brain barrier, and may sometimes address concerns connected to Pathology. His Pilus research is multidisciplinary, relying on both Fimbria and Cell biology. His Cell biology study combines topics in areas such as Endothelial stem cell and Cell, Cell junction.

He most often published in these fields:

  • Microbiology (101.08%)
  • Neisseria meningitidis (91.34%)
  • Pilus (44.40%)

What were the highlights of his more recent work (between 2014-2020)?

  • Microbiology (101.08%)
  • Neisseria meningitidis (91.34%)
  • Virulence (31.05%)

In recent papers he was focusing on the following fields of study:

The scientist’s investigation covers issues in Microbiology, Neisseria meningitidis, Virulence, Pathogen and Staphylococcus aureus. His biological study spans a wide range of topics, including Meningitis, Prophage, Secretion, Bacteria and Gene. His Neisseria meningitidis research is multidisciplinary, incorporating elements of Pathogenesis, Purpura fulminans, Septic shock and Pilus.

The Virulence study combines topics in areas such as Antibiotics, Inflammation, Extracellular, Colonisation and Disseminated intravascular coagulation. Xavier Nassif interconnects Moraxella catarrhalis, Streptococcus mitis, Innate immune system and Colonization in the investigation of issues within Pathogen. The concepts of his Meningococcal disease study are interwoven with issues in Endothelial stem cell and Endothelium.

Between 2014 and 2020, his most popular works were:

  • Clinical features and prognostic factors of listeriosis: the MONALISA national prospective cohort study. (155 citations)
  • A journey into the brain: insight into how bacterial pathogens cross blood-brain barriers (88 citations)
  • New Players in the Toxin Field: Polymorphic Toxin Systems in Bacteria (84 citations)

In his most recent research, the most cited papers focused on:

  • Gene
  • Bacteria
  • DNA

His scientific interests lie mostly in Microbiology, Neisseria meningitidis, Pilus, Bacteria and Virulence. His Microbiology study incorporates themes from Microbiome, Genetics and Gene. Xavier Nassif has included themes like Meningitis, Streptococcus pneumoniae, Bacterial pathogenesis, Clinical microbiology and Streptococcus in his Neisseria meningitidis study.

His studies deal with areas such as Crystallography, Helix, Protein filament and Cryo-electron microscopy as well as Pilus. His work deals with themes such as Virulence factor, Pathogenesis, Fimbria, Bacterial genetics and Gram-negative bacteria, which intersect with Bacteria. His research integrates issues of Filamentous bacteriophage, Prophage, Bacterial cell structure, Bacterial outer membrane and Inovirus in his study of Virulence.

Best Publications

  • Organised Genome Dynamics in the Escherichia coli Species Results in Highly Diverse Adaptive Paths

    Marie Touchon;Marie Touchon;Claire Hoede;Olivier Tenaillon;Valérie Barbe

  • Clinical features and prognostic factors of listeriosis: the MONALISA national prospective cohort study.

    Caroline Charlier;Élodie Perrodeau;Alexandre Leclercq;Alexandre Leclercq;Benoît Cazenave

  • Rapid diagnosis of tuberculosis by amplification of mycobacterial DNA in clinical samples.

    Anne Brisson-Noël;Denise Lecossier;Xavier Nassif;Brigitte Gicquel

  • MALDI-TOF mass spectrometry tools for bacterial identification in clinical microbiology laboratory.

    Etienne Carbonnelle;Cécile Mesquita;Emmanuelle Bille;Nesrine Day

  • Mucoid phenotype of Klebsiella pneumoniae is a plasmid-encoded virulence factor.

    X Nassif;J M Fournier;J Arondel;P J Sansonetti

  • Real-Time Identification of Bacteria and Candida Species in Positive Blood Culture Broths by Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry

    Agnès Ferroni;Stéphanie Suarez;Jean-Luc Beretti;Brunhilde Dauphin

  • Extraintestinal Virulence Is a Coincidental By-Product of Commensalism in B2 Phylogenetic Group Escherichia coli Strains

    Tony Le Gall;Olivier Clermont;Stéphanie Gouriou;Bertrand Picard

  • Correlation of the virulence of Klebsiella pneumoniae K1 and K2 with the presence of a plasmid encoding aerobactin

    Unknown

  • A journey into the brain: insight into how bacterial pathogens cross blood-brain barriers

    Mathieu Coureuil;Mathieu Coureuil;Mathieu Coureuil;Hervé Lécuyer;Sandrine Bourdoulous;Sandrine Bourdoulous;Sandrine Bourdoulous;Xavier Nassif

  • Rapid Identification of Staphylococci Isolated in Clinical Microbiology Laboratories by Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry

    Etienne Carbonnelle;Jean Luc Beretti;Stéphanie Cottyn;Gilles Quesne

  • Roles of pilin and PilC in adhesion of Neisseria meningitidis to human epithelial and endothelial cells.

    Xavier Nassif;Jean Luc Beretti;Jonathan Lowy;Paula Stenberg

  • Antigenic variation of pilin regulates adhesion of Neisseria meningitidis to human epithelial cells

    Xavier Nassif;Jonathan Lowy;Paula Stenberg;Peadar O'Gaora

  • Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry for Identification of Nonfermenting Gram-Negative Bacilli Isolated from Cystic Fibrosis Patients

    Nicolas Degand;Nicolas Degand;Etienne Carbonnelle;Etienne Carbonnelle;Brunhilde Dauphin;Jean-Luc Beretti

  • Meningococcal Type IV Pili Recruit the Polarity Complex to Cross the Brain Endothelium

    Mathieu Coureuil;Guillain Mikaty;Florence Miller;Florence Miller;Hervé Lécuyer;Hervé Lécuyer

  • The Neisseria meningitidis haemoglobin receptor: its role in iron utilization and virulence.

    Igor Stojijkovic;Vivian Hwa;Luc de Saint Martin;Peadar O'Gaora

  • A systematic genetic analysis in Neisseria meningitidis defines the Pil proteins required for assembly, functionality, stabilization and export of type IV pili

    Etienne Carbonnelle;Sophie Helaine;Sophie Helaine;Xavier Nassif;Xavier Nassif;Xavier Nassif;Vladimir Pelicic;Vladimir Pelicic

  • Rapid Identification of Mycobacterial Whole Cells in Solid and Liquid Culture Media by Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry

    Aurélie Lotz;Aurélie Lotz;Agnès Ferroni;Jean-Luc Beretti;Brunhilde Dauphin

  • Meningococcus Hijacks a β2-Adrenoceptor/β-Arrestin Pathway to Cross Brain Microvasculature Endothelium

    Mathieu Coureuil;Hervé Lécuyer;Hervé Lécuyer;Hervé Lécuyer;Mark G.H. Scott;Mark G.H. Scott;Mark G.H. Scott;Cédric Boularan;Cédric Boularan;Cédric Boularan

  • A chromosomally integrated bacteriophage in invasive meningococci.

    Emmanuelle Bille;Jean-Ralph Zahar;Agnes Perrin;Sandrine Morelle

  • The meningococcal PilT protein is required for induction of intimate attachment to epithelial cells following pilus-mediated adhesion

    Céline Pujol;Emmanuel Eugène;Michaël Marceau;Xavier Nassif

  • Posttranslational Modification of Pili upon Cell Contact Triggers N. meningitidis Dissemination

    Julia Chamot-Rooke;Julia Chamot-Rooke;Guillain Mikaty;Guillain Mikaty;Christian Malosse;Christian Malosse;Magali Soyer;Magali Soyer

  • Interaction of Neisseria meningitidis with a polarized monolayer of epithelial cells.

    C Pujol;E Eugène;L de Saint Martin;X Nassif

Frequent Co-Authors

Stefano Marullo
Stefano Marullo Université Paris Cité
Alain Hovnanian
Alain Hovnanian Imagine Institute for Genetic Diseases
Patrick Berche
Patrick Berche Université Paris Cité
Stéphane Bonacorsi
Stéphane Bonacorsi Université Paris Cité
Olivier Lortholary
Olivier Lortholary Université Paris Cité
Marc Lecuit
Marc Lecuit Institut Pasteur
Alain Charbit
Alain Charbit Université Paris Cité
Edouard Bingen
Edouard Bingen Université Paris Cité
Olivier Clermont
Olivier Clermont Université Paris Cité

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