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Maître de Conférence, HDR, Aix-Marseille Université

+33 4 91 16 45 57

Equipe / Group: BIP 07

ORCID id: 0000-0002-9559-6112


Maryam Seif Eddine, Frédéric Biaso, Julia Rendon, Eric Pilet, Bruno Guigliarelli, Axel Magalon, Stéphane Grimaldi.
1,2H hyperfine spectroscopy and DFT modeling unveil the demethylmenasemiquinone binding mode to E. coli nitrate reductase A (NarGHI).
Biochimica et Biophysica Acta (BBA) - Bioenergetics, 2020, 1861 (8), 148203. DOI: 10.1016/j.bbabio.2020.148203 HAL: hal-02909846

Ahmed Djeghader, Mélanie Rossotti, Saleh Abdulkarim, Frédéric Biaso, Guillaume Gerbaud, Wolfgang Nitschke, Barbara Schoepp-Cothenet, Tewfik Soulimane, Stephane Grimaldi.
Structural evidence for a reaction intermediate mimic in the active site of a sulfite dehydrogenase.
Chem. Commun., 2020, 56 (68), 9850 - 9853. DOI: 10.1039/D0CC03634J HAL: hal-02930401


Julia Rendon, Frédéric Biaso, Pierre Ceccaldi, René Toci, Farida Seduk, Axel Magalon, Bruno Guigliarelli, Stéphane Grimaldi.
Elucidating the Structures of the Low- and High-pH Mo(V) Species in Respiratory Nitrate Reductase: A Combined EPR, 14,15 N HYSCORE, and DFT Study.
Inorg. Chem., 2017, 56 (8), 4422 - 4434. DOI: 10.1021/acs.inorgchem.6b03129 HAL: hal-01514650v1

Maryam Seif Eddine, Frédéric Biaso, Rodrigo Arias‐Cartin, Eric Pilet, Julia Rendon, Sevdalina Lyubenova, Farida Seduk, Bruno Guigliarelli, Axel Magalon, Stéphane Grimaldi.
Probing the Menasemiquinone Binding Mode to Nitrate Reductase A by Selective 2 H and 15 N Labeling, HYSCORE Spectroscopy, and DFT Modeling.
ChemPhysChem, 2017, 45 (19), 287 - 2714. DOI: 10.1002/cphc.201700571 HAL: hal-01635739v1


Stéphane Grimaldi, Frédéric Biaso, Bénédicte Burlat, Bruno Guigliarelli.
Electron paramagnetic resonance studies of molybdenum enzymes.
Molybdenum and Tungsten Enzymes : Spectroscopic and Theoretical Investigations. RSC Metallobiology Series. Editors: Russ Hille, Carola Schulzke, Martin L Kirk, 2016, 68 - 120. DOI: 10.1039/9781782628842-00068 HAL: hal-01441142v1

Rodrigo Arias-Cartin, Pierre Ceccaldi, Barbara Schoepp-Cothenet, Klaudia Frick, Jean-Michel Blanc, Bruno Guigliarelli, Anne Walburger, Stéphane Grimaldi, Thorsten Friedrich, Véronique Receveur-Brechot, Axel Magalon.
Redox cofactors insertion in prokaryotic molybdoenzymes occurs via a conserved folding mechanism.
Sci Rep, 2016, 12 (1), 543 -. DOI: 10.1038/srep37743 HAL: hal-01415067v1

Simon Duval, Joanne M. Santini, David Lemaire, Florence Chaspoul, Michael J. Russell, Stephane Grimaldi, Wolfgang Nitschke, Barbara Schoepp-Cothenet.
The H-bond network surrounding the pyranopterins modulates redox cooperativity in the molybdenum- bis PGD cofactor in arsenite oxidase.
Biochimica et Biophysica Acta (BBA) - Bioenergetics, 2016, 1857 (9), 1353 - 1362. DOI: 10.1016/j.bbabio.2016.05.003 HAL: hal-01413292v1


Julia Rendon, Eric Pilet, Zeinab Fahs, Farida Seduk, Léa Sylvi, Mahmoud Hajj Chehade, Fabien Pierrel, Bruno Guigliarelli, Axel Magalon, Stephane Grimaldi.
Demethylmenaquinol is a substrate of Escherichia coli nitrate reductase A (NarGHI) and forms a stable semiquinone intermediate at the NarGHI quinol oxidation site.
Biochimica et Biophysica Acta (BBA) - Bioenergetics, 2015, 1847 (8), 739 - 747. DOI: 10.1016/j.bbabio.2015.05.001 HAL: hal-01429032v1

Pierre Ceccaldi, Julia Rendon, Christophe Léger, René Toci, Bruno Guigliarelli, Axel Magalon, Stéphane Grimaldi, Vincent Fourmond.
Reductive activation of E. coli respiratory nitrate reductase.
Biochimica et Biophysica Acta (BBA) - Bioenergetics, 2015, 1847 (10), 1055 - 1063. DOI: 10.1016/j.bbabio.2015.06.007 HAL: hal-01429839v1


Stéphane Grimaldi, Barbara Schoepp-Cothenet, Pierre Ceccaldi, Bruno Guigliarelli, Axel Magalon.
The prokaryotic Mo/W-bisPGD enzymes family: A catalytic workhorse in bioenergetic.
Biochimica et Biophysica Acta (BBA) - Bioenergetics, 2013, 1827 (8-9), 1048 - 1085. DOI: 10.1016/j.bbabio.2013.01.011


Rodrigo Arias-Cartin, Stéphane Grimaldi, Pascal Arnoux, Bruno Guigliarelli, Axel Magalon.
Cardiolipin binding in bacterial respiratory complexes: Structural and functional implications.
Biochimica et Biophysica Acta (BBA) - Bioenergetics, 2012, 1817 (10), 1937 - 1949. DOI: 10.1016/j.bbabio.2012.04.005


R. Arias-Cartin, S. Grimaldi, J. Pommier, P. Lanciano, C. Schaefer, P. Arnoux, G. Giordano, B. Guigliarelli, A. Magalon.
Cardiolipin-based respiratory complex activation in bacteria.
Proceedings of the National Academy of Sciences, 2011, 280 (15), 14836 - 7786. DOI: 10.1073/pnas.1010427108

Stéphane Grimaldi, Rodrigo Arias-Cartin, Pascal Lanciano, Sevdalina Lyubenova, Rodolphe Szenes, Burkhard Endeward, Thomas F. Prisner, Bruno Guigliarelli, Axel Magalon.
Determination of the Proton Environment of High Stability Menasemiquinone Intermediate in Escherichia coli Nitrate Reductase A by Pulsed EPR.
J. Biol. Chem., 2011, 259 (7), 1758 - 4670. DOI: 10.1074/jbc.M111.325100

Fraser MacMillan, Sylwia Kacprzak, Petra Hellwig, Stephane Grimaldi, Hartmut Michel, Martin Kaupp.
Elucidating mechanisms in haem copper oxidases: The high-affinity QH binding site in quinol oxidase as studied by DONUT-HYSCORE spectroscopy and density functional theory.
Faraday Discuss., 2011, 148, 315 - 344. DOI: 10.1039/c005149g


Rodrigo Arias-Cartin, Sevdalina Lyubenova, Pierre Ceccaldi, Thomas Prisner, Axel Magalon, Bruno Guigliarelli, Stéphane Grimaldi.
HYSCORE Evidence That Endogenous Mena- and Ubisemiquinone Bind at the Same Q Site (QD) of Escherichia coli Nitrate Reductase A.
J. Am. Chem. Soc., 2010, 132 (17), 5942 - 5943. DOI: 10.1021/ja1009234


Stéphane Grimaldi, Rodrigo Arias-Cartin, Pascal Lanciano, Sevdalina Lyubenova, Burkhard Endeward, Thomas F. Prisner, Axel Magalon, Bruno Guigliarelli.
Direct Evidence for Nitrogen Ligation to the High Stability Semiquinone Intermediate in Escherichia coli Nitrate Reductase A.
J. Biol. Chem., 2009, 259 (1), 1758 - 187. DOI: 10.1074/jbc.M109.060251


Pascal Lanciano, Alexandra Vergnes, Stéphane Grimaldi, Bruno Guigliarelli, Axel Magalon.
Biogenesis of a Respiratory Complex Is Orchestrated by a Single Accessory Protein.
J. Biol. Chem., 2007, 20 (24), 875 - 17474. DOI: 10.1074/jbc.M700994200

Pascal Lanciano, Axel Magalon, Patrick Bertrand, Bruno Guigliarelli, Stéphane Grimaldi.
High-Stability Semiquinone Intermediate in Nitrate Reductase A (NarGHI) from Escherichia coli Is Located in a Quinol Oxidation Site Close to Heme bD.
Biochemistry, 2007, 46 (18), 5323 - 5329. DOI: 10.1021/bi700074y HAL: hal-00336035v1

Pascal Lanciano, Adrien Savoyant, Stéphane Grimaldi, Axel Magalon, Bruno Guigliarelli, Patrick Bertrand.
New Method for the Spin Quantitation of [4Fe−4S]+ Clusters with S = 3 / 2. Application to the FS0 Center of the NarGHI Nitrate Reductase from Escherichia coli.
J. Phys. Chem. B, 2007, 111 (48), 13632 - 13637. DOI: 10.1021/jp075243t HAL: hal-00336023v1


Stéphane Grimaldi, Pascal Lanciano, Patrick Bertrand, Francis Blasco, Bruno Guigliarelli.
Evidence for an EPR-Detectable Semiquinone Intermediate Stabilized in the Membrane-Bound Subunit NarI of Nitrate Reductase A (NarGHI) from Escherichia coli.
Biochemistry, 2005, 44 (4), 1300 - 1308. DOI: 10.1021/bi048009r


S. Grimaldi, T. Ostermann, N. Weiden, T. Mogi, H. Miyoshi, B. Ludwig, H. Michel, T. F. Prisner, F. MacMillan.
Asymmetric Binding of the High-Affinity QH•- Ubisemiquinone in Quinol Oxidase (bo3) from Escherichia coli Studied by Multifrequency Electron Paramagnetic Resonance Spectroscopy.
Biochemistry, 2003, 42 (19), 5632 - 5639. DOI: 10.1021/bi034010z


Brent Boudreaux, Fraser MacMillan, Christian Teutloff, Rufat Agalarov, Feifei Gu, Stéphane Grimaldi, Robert Bittl, Klaus Brettel, Kevin Redding.
Mutations in Both Sides of the Photosystem I Reaction Center Identify the Phylloquinone Observed by Electron Paramagnetic Resonance Spectroscopy.
J. Biol. Chem., 2001, 276 (40), 37299 - 37306. DOI: 10.1074/jbc.M102327200

Stéphane Grimaldi, Fraser MacMillan, Thomas Ostermann, Bernd Ludwig, Hartmut Michel, Thomas Prisner.
Q H •- Ubisemiquinone Radical in the bo 3 -Type Ubiquinol Oxidase Studied by Pulsed Electron Paramagnetic Resonance and Hyperfine Sublevel Correlation Spectroscopy.
Biochemistry, 2001, 40 (4), 1037 - 1043. DOI: 10.1021/bi001641+