World's Best Scientists 2026 revealed!
Richard Christen

Richard Christen

D-Index & Metrics

Microbiology

D-Index
83
Citations
25554
World Ranking
986
National Ranking
56

Overview

Richard Christen is affiliated with Université Côte d'Azur in France. Their academic profile includes a focus on a broad spectrum of scientific inquiry, though specific details on research topics, publications, or co-authors are not available.

Their career is marked by an association with a well-regarded academic institution in Europe, which suggests involvement in research and education activities consistent with university-level responsibilities.

While detailed bibliographic data such as recent papers, frequent co-authors, and major publication venues have not been documented, this does not diminish the implicit contributions made within their academic and scientific environment.

The absence of information about awards or specific fields of study prevents a detailed mapping of their expertise, yet their role at Université Côte d'Azur positions them within a network likely engaged in multidisciplinary scientific research.

No records of book publications or documented specialty subfields are provided, limiting the ability to describe particular scholarly interests or thematic concentrations.

This overview highlights the constraint of publicly available data on some researchers, demonstrating the importance of comprehensive documentation for full academic assessment.

Best Publications

  • The Protist Ribosomal Reference database (PR2): a catalog of unicellular eukaryote Small Sub-Unit rRNA sequences with curated taxonomy

    Laure Guillou;Dipankar Bachar;Stéphane Audic;David Bass

  • Multiple marker parallel tag environmental DNA sequencing reveals a highly complex eukaryotic community in marine anoxic water

    Thorsten Stoeck;David Bass;Markus Nebel;Richard Christen

  • TreeDyn: towards dynamic graphics and annotations for analyses of trees

    François Chevenet;Christine Brun;Anne Laure Bañuls;Bernard Jacq

  • Marinobacter hydrocarbonoclasticus gen. nov., sp. nov., a new, extremely halotolerant, hydrocarbon-degrading marine bacterium

    Michel J. Gauthier;Bénédicte Lafay;Richard Christen;Luis Fernandez

  • Phylogenetic Analysis of the Genera Alteromonas, Shewanella, and Moritella Using Genes Coding for Small-Subunit rRNA Sequences and Division of the Genus Alteromonas into Two Genera, Alteromonas (Emended) and Pseudoalteromonas gen. nov., and Proposal of Twelve New Species Combinations.

    G. Gauthier;M. Gauthier;R. Christen

  • Midgut microbiota of the malaria mosquito vector Anopheles gambiae and interactions with Plasmodium falciparum infection

    Anne Boissière;Majoline T. Tchioffo;Dipankar Bachar;Luc Abate

  • Transfer of Pectobacterium chrysanthemi (Burkholder et al. 1953) Brenner et al. 1973 and Brenneria paradisiaca to the genus Dickeya gen. nov. as Dickeya chrysanthemi comb. nov. and Dickeya paradisiaca comb. nov. and delineation of four novel species, Dickeya dadantii sp. nov., Dickeya dianthicola sp. nov., Dickeya dieffenbachiae sp. nov., and Dickeya zeae sp. nov.

    Régine Samson;Jean Bernard Legendre;Richard Christen;Marion Fischer-Le Saux

  • Patterns of Rare and Abundant Marine Microbial Eukaryotes

    Ramiro Logares;Stéphane Audic;Stéphane Audic;David Bass;Lucie Bittner;Lucie Bittner;Lucie Bittner

  • Elevation of three subspecies of Pectobacterium carotovorum to species level: Pectobacterium atrosepticum sp. nov., Pectobacterium betavasculorum sp. nov. and Pectobacterium wasabiae sp. nov.

    Louis Gardan;Cécile Gouy;Richard Christen;Régine Samson

  • Marine protist diversity in European coastal waters and sediments as revealed by high-throughput sequencing

    Ramon Massana;Angélique Gobet;Angélique Gobet;Stéphane Audic;Stéphane Audic;David Bass;David Bass

  • Phylogenetic Analysis and Assessment of the Genera Vibrio, Photobacterium, Aeromonas, and Plesiomonas Deduced from Small-Subunit rRNA Sequences

    Raymond Ruimy;Violette Breittmayer;Philippe Elbaze;BéNéDICTE Lafay

  • Phylogenetic relationships among marine Alteromonas-like proteobacteria: emended description of the family Alteromonadaceae and proposal of Pseudoalteromonadaceae fam. nov., Colwelliaceae fam. nov., Shewanellaceae fam. nov., Moritellaceae fam. nov., Ferrimonadaceae fam. nov., Idiomarinaceae fam. nov. and Psychromonadaceae fam. nov.

    Elena P. Ivanova;Sébastien Flavier;Richard Christen

  • Sequence heterogeneities among 16S ribosomal RNA sequences, and their effect on phylogenetic analyses at the species level.

    Valérie Cilia;Bénédicte Lafay;Richard Christen

  • Significant and persistent impact of timber harvesting on soil microbial communities in Northern coniferous forests

    Martin Hartmann;Charles G Howes;David VanInsberghe;Hang Yu;Hang Yu

  • Stimulation of Different Functional Groups of Bacteria by Various Plant Residues as a Driver of Soil Priming Effect

    Noémie Pascault;Lionel Ranjard;Lionel Ranjard;Aurore Kaisermann;Dipankar Bachar

  • Trout sperm motility: the transient movement of trout sperm is related to changes in the concentration of ATP following the activation of the flagellar movement

    Richard Christen;Jean-Luc Gatti;Roland Billard

  • Contributions to a revision of the genus Trichosporon.

    E Guého;M T Smith;G S de Hoog;G S de Hoog;G Billon-Grand

  • Updating the Vibrio clades defined by multilocus sequence phylogeny: Proposal of eight new clades, and the description of Vibrio tritonius sp. nov.

    Tomoo Sawabe;Yoshitoshi Ogura;Yuta Matsumura;Gao Feng

  • Validation and Application of a PCR Primer Set to Quantify Fungal Communities in the Soil Environment by Real-Time Quantitative PCR

    Nicolas Chemidlin Prévost-Bouré;Richard Christen;Samuel Dequiedt;Christophe Mougel

  • Elevation of the intracellular pH activates respiration and motility of sperm of the sea urchin, Strongylocentrotus purpuratus.

    R Christen;R W Schackmann;B M Shapiro

  • Article Patterns of Rare and Abundant Marine Microbial Eukaryotes

    Ramiro Logares;David Bass;Lucie Bittner;Christophe Boutte

Frequent Co-Authors

Elena P. Ivanova
Elena P. Ivanova RMIT University
Tomoo Sawabe
Tomoo Sawabe Hokkaido University
Raymond Ruimy
Raymond Ruimy Université Côte d'Azur
Valery V. Mikhailov
Valery V. Mikhailov Russian Academy of Sciences
Manfred G. Höfle
Manfred G. Höfle Helmholtz Centre for Infection Research
Wafa Achouak
Wafa Achouak French Alternative Energies and Atomic Energy Commission (CEA)
Louis Gardan
Louis Gardan INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Bennett M. Shapiro
Bennett M. Shapiro VBL Therapeutics
Lucie Bittner
Lucie Bittner Université Paris Cité
Thierry Heulin
Thierry Heulin Aix-Marseille University

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