Vincent MEJEAN

member photo

Directeur de Recherche, CNRS

+33 4 91 16 41 99

Equipe / Group: BIP 01

Bactéries modèles étudiées : familles des Shewanellae et des Bacillus, Escherichia coli.
Thèmes de recherche : réponses aux signaux environnementaux et leur détection, chimiotactisme, biogenèse des biofilms, régulations globales incluant celles des systèmes respiratoires anaérobies. Microbiologie appliquée : bioremédiation, probiotiques et détection de bactéries en temps réel.

Model bacteria under study: Shewanella and Bacillus genus, Escherichia coli.
Research interests: detection of and response to environmental signals, two-component systems, chemotaxis, biogenesis of biofilms, global regulations including that of anaerobic respiratory systems. Applied microbiology: bioremediation, probiotics and real-time detection of bacteria.

ORCID id: 0000-0001-6533-5846


Anne Boyeldieu, Amine Ali Chaouche, Vincent Méjean, Cécile Jourlin-Castelli.
Combining two optimized and affordable methods to assign chemoreceptors to a specific signal.
Analytical Biochemistry, 2021, 620, 114139 -. DOI: 10.1016/j.ab.2021.114139 HAL: hal-03195889v1

Nathanael Jean Maillot, Pascale Infossi, Sébastien Dementin, Marie-Thérèse Giudici-Orticoni, Vincent Méjean, Olivier Genest.
Modulation of the RNA polymerase activity by AtcB, a protein associated with a DnaK chaperone network in Shewanella oneidensis.
Biochemical and Biophysical Research Communications, 2021, 535, 66 - 72. DOI: 10.1016/j.bbrc.2020.12.015 HAL: hal-03116745v1


Anne Boyeldieu, Amine Ali Chaouche, Moly Ba, Flora Ambre Honoré, Vincent Méjean, Cécile Jourlin-Castelli.
The phosphorylated regulator of chemotaxis is crucial throughout biofilm biogenesis in Shewanella oneidensis.
npj Biofilms Microbiomes, 2020, 6 (1). DOI: 10.1038/s41522-020-00165-5 HAL: hal-03008855v1

Olivier N Lemaire, Vincent Méjean, Chantal Iobbi-Nivol.
The Shewanella genus: ubiquitous organisms sustaining and preserving aquatic ecosystems.
FEMS Microbiology Reviews, 2020. DOI: 10.1093/femsre/fuz031 HAL: hal-02936277


Nathanael Jean Maillot, Flora Ambre Honoré, Deborah Byrne, Vincent Méjean, Olivier Genest.
Cold adaptation in the environmental bacterium Shewanella oneidensis is controlled by a J-domain co-chaperone protein network.
Commun Biol, 2019, 2 (1). DOI: 10.1038/s42003-019-0567-3 HAL: hal-02371718v1

Cyril Gambari, Anne Boyeldieu, Joshua Armitano, Vincent Méjean, Cécile Jourlin-Castelli.
Control of pellicle biogenesis involves the diguanylate cyclases PdgA and PdgB, the c-di-GMP binding protein MxdA and the chemotaxis response regulator CheY3 in Shewanella oneidensis.
Environ Microbiol, 2019, 21 (1), 81 - 97. DOI: 10.1111/1462-2920.14424 HAL: hal-01890343v1

Flora Ambre Honoré, Nathanael Jean Maillot, Vincent Méjean, Olivier Genest.
Interplay between the Hsp90 Chaperone and the HslVU Protease To Regulate the Level of an Essential Protein in Shewanella oneidensis.
mBio, 2019, 78 (3), 219 -. DOI: 10.1128/mBio.00269-19 HAL: hal-02180326v1

Olivier N. Lemaire, Flora A. Honoré, Sébastien Tempel, Emma M. Fortier, Silke Leimkühler, Vincent Méjean, Chantal Iobbi-Nivol.
Shewanella decolorationis LDS1 Chromate Resistance.
Appl Environ Microbiol, 2019, 66 (18), 4947 -. DOI: 10.1128/AEM.00777-19 HAL: hal-02273170v1

Arkadiusz Zupok, Chantal Iobbi-Nivol, Vincent Méjean, Silke Leimkühler.
The regulation of Moco biosynthesis and molybdoenzyme gene expression by molybdenum and iron in bacteria.
Metallomics, 2019, 11 (10), 1602 - 1624. DOI: 10.1039/c9mt00186g HAL: hal-02372050v1


Hiba Baaziz, Olivier N. Lemaire, Cécile Jourlin-Castelli, Chantal Iobbi-Nivol, Vincent Méjean, Radia Alatou, Michel Fons.
Draft Genome Sequence of Shewanella algidipiscicola H1, a Highly Chromate-Resistant Strain Isolated from Mediterranean Marine Sediments.
Microbiol Resour Announc, 2018, 12 (8), 1788 -. DOI: 10.1128/MRA.00905-18 HAL: hal-01890325v1

Sophie Bouillet, Dallel Arabet, Cécile Jourlin-Castelli, Vincent Méjean, Chantal Iobbi-Nivol.
Regulation of σ factors by conserved partner switches controlled by divergent signalling systems.
Environmental Microbiology Reports, 2018, 70 (2), 1136 - 139. DOI: 10.1111/1758-2229.12620 HAL: hal-01890037v1

Olivier N. Lemaire, Pascale Infossi, Amine Ali Chaouche, Leon Espinosa, Silke Leimkühler, Marie-Thérèse Giudici-Orticoni, Vincent Méjean, Chantal Iobbi-Nivol.
Small membranous proteins of the TorE/NapE family, crutches for cognate respiratory systems in Proteobacteria.
Sci Rep, 2018, 251 (Suppl 1), 744 -. DOI: 10.1038/s41598-018-31851-2 HAL: hal-01890252v1


Olivier N. Lemaire, Sophie Bouillet, Vincent Méjean, Chantal Iobbi-Nivol, Olivier Genest.
Chaperones in maturation of molybdoenzymes: Why specific is better than general?.
Bioengineered, 2017, 8 (2), 133 - 136. DOI: 10.1080/21655979.2016.1218579 HAL: hal-01413222v1

Hiba Baaziz, Cyril Gambari, Anne Boyeldieu, Amine Ali Chaouche, Radia Alatou, Vincent Méjean, Cécile Jourlin-Castelli, Michel Fons.
ChrASO, the chromate efflux pump of Shewanella oneidensis, improves chromate survival and reduction.
PLoS ONE, 2017, 8 (11), e77987 -. DOI: 10.1371/journal.pone.0188516 HAL: hal-01696687v1

Flora Ambre Honoré, Vincent Méjean, Olivier Genest.
Hsp90 Is Essential under Heat Stress in the Bacterium Shewanella oneidensis.
Cell Reports, 2017, 19 (4), 680 - 687. DOI: 10.1016/j.celrep.2017.03.082 HAL: hal-01525196v1

Axel Aigle, Patricia Bonin, Chantal Iobbi-Nivol, Vincent Méjean, Valérie Michotey.
Physiological and transcriptional approaches reveal connection between nitrogen and manganese cycles in Shewanella algae C6G3.
Sci Rep, 2017, 48 (1), 5 -. DOI: 10.1038/srep44725 HAL: hal-01493279v1

Sophie Bouillet, Olivier Genest, Vincent Méjean, Chantal Iobbi-Nivol.
Protection of the general stress response σ S factor by the CrsR regulator allows a rapid and efficient adaptation of Shewanella oneidensis.
J. Biol. Chem., 2017, 36 (36), 410 - 14928. DOI: 10.1074/jbc.M117.781443 HAL: hal-01696646v1


Olivier N. Lemaire, Flora A. Honoré, Cécile Jourlin-Castelli, Vincent Méjean, Michel Fons, Chantal Iobbi-Nivol.
Efficient respiration on TMAO requires TorD and TorE auxiliary proteins in Shewanella oneidensis.
Research in Microbiology, 2016, 167 (8), 630 - 637. DOI: 10.1016/j.resmic.2016.05.004 HAL: hal-01411703v1

Sophie Bouillet, Olivier Genest, Cécile Jourlin-Castelli, Michel Fons, Vincent Méjean, Chantal Iobbi-Nivol.
The General Stress Response σ S Is Regulated by a Partner Switch in the Gram-negative Bacterium Shewanella oneidensis.
J. Biol. Chem., 2016, 49 (50), 603 - 26163. DOI: 10.1074/jbc.M116.751933 HAL: hal-01415795v1

Vincent Méjean.
Two-component regulatory systems: The moment of truth.
Research in Microbiology, 2016, 167 (1), 1 - 3. DOI: 10.1016/j.resmic.2015.09.004 HAL: hal-01411558v1


Florence Depardieu, Vincent Mejean, Patrice Courvalin.
Competition between VanUG Repressor and VanRG Activator Leads to Rheostatic Control of vanG Vancomycin Resistance Operon Expression.
PLoS Genet, 2015, 4 (4), 33 -. DOI: 10.1371/journal.pgen.1005170 HAL: hal-01216338v1

Morgan Petit, Patricia Bonin, Rémi Amiraux, Valérie Michotey, Sophie Guasco, Joshua Armitano, Cécile Jourlin-Castelli, Frédéric Vaultier, Vincent Méjean, Jean-François Rontani.
Dynamic of bacterial communities attached to lightened phytodetritus.
Environ Sci Pollut Res, 2015, 69 (18), 1299 - 13692. DOI: 10.1007/s11356-015-4209-0 HAL: hal-01201708v1


Dallel Arabet, Sébastien Tempel, Michel Fons, Yann Denis, Cécile Jourlin-Castelli, Joshua Armitano, David Redelberger, Chantal Iobbi-Nivol, Abderrahmane Boulahrouf, Vincent Méjean.
Effects of a sulfonylurea herbicide on the soil bacterial community.
Environ Sci Pollut Res, 2014, 2 (8), 1501 - 5627. DOI: 10.1007/s11356-014-2512-9 HAL: hal-01494576v1

Joshua Armitano, Vincent Méjean, Cécile Jourlin-Castelli.
Gram-negative bacteria can also form pellicles.
Environmental Microbiology Reports, 2014, 78 (6), 2888 - 544. DOI: 10.1111/1758-2229.12171 HAL: hal-01494588v1


Joshua Armitano, Vincent Méjean, Cécile Jourlin-Castelli.
Aerotaxis governs floating biofilm formation in Shewanella oneidensis.
Environ Microbiol, 2013, 156, 265 - n/a. DOI: 10.1111/1462-2920.12158

David Redelberger, Olivier Genest, Dallel Arabet, Vincent Méjean, Marianne Ilbert, Chantal Iobbi-Nivol.
Quality control of a molybdoenzyme by the Lon protease.
2013, 21 (24), 268 - 3942. DOI: 10.1016/j.febslet.2013.10.045

Jan-Ulrik Dahl, Christin Radon, Martin Bühning, Manfred Nimtz, Lars I. Leichert, Yann Denis, Cécile Jourlin-Castelli, Chantal Iobbi-Nivol, Vincent Méjean, Silke Leimkühler.
The Sulfur Carrier Protein TusA Has a Pleiotropic Role in Escherichia coli That Also Affects Molybdenum Cofactor Biosynthesis.
J. Biol. Chem., 2013, 174 (8), 5101 - 5442. DOI: 10.1074/jbc.M112.431569