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Coproporphyrin III excretion identifies the anaerobic coproporphyrinogen III oxidase HemN as a copper target in the Cu⁺-ATPase mutant copA⁻ of Rubrivivax gelatinosus.

• Asma Azzouzi, Anne-Soisig Steunou, +5 authors Soufian Ouchane
• Molecular microbiology
• 2013

Two genes encoding structurally similar Copper P1B -type ATPases can be identified in several genomes. Notwithstanding the high sequence and structural similarities these ATPases held, it has been… (More)

Molecular mechanisms of superoxide production by complex III: a bacterial versus human mitochondrial comparative case study.

• Pascal Lanciano, Bahia Khalfaoui-Hassani, Nur Selamoglu, Anna Ghelli, Michela Rugolo, Fevzi Daldal
• Biochimica et biophysica acta
• 2013

In this mini review, we briefly survey the molecular processes that lead to reactive oxygen species (ROS) production by the respiratory complex III (CIII or cytochrome bc1). In particular, we discuss… (More)

Cooperation between two periplasmic copper chaperones is required for full activity of the cbb3 -type cytochrome c oxidase and copper homeostasis in Rhodobacter capsulatus.

• Petru-Iulian Trasnea, Marcel Utz, Bahia Khalfaoui-Hassani, Simon Lagies, Fevzi Daldal, Hans-Georg Koch
• Molecular microbiology
• 2016

Copper (Cu) is an essential micronutrient that functions as a cofactor in several important enzymes, such as respiratory heme-copper oxygen reductases. Yet, Cu is also toxic and therefore cells… (More)

Recent advances in cytochrome bc(1): inter monomer electronic communication?

• Bahia Khalfaoui-Hassani, Pascal Lanciano, Dong-Woo Lee, Elisabeth Darrouzet, Fevzi Daldal
• FEBS letters
• 2012

The ubihydroquinone: cytochrome c oxidoreductase, or cytochrome bc(1), is a central component of photosynthetic and respiratory energy transduction pathways in many organisms. It contributes to the… (More)

Intermonomer electron transfer between the b hemes of heterodimeric cytochrome bc(1).

• Pascal Lanciano, Bahia Khalfaoui-Hassani, Nur Selamoglu, Fevzi Daldal
• Biochemistry
• 2013

The ubihydroquinone:cytochrome c oxidoreductase, or cytochrome bc1, is a central component of respiratory and photosynthetic energy transduction pathways in many organisms. It contributes to the… (More)

Uncovering the Transmembrane Metal Binding Site of the Novel Bacterial Major Facilitator Superfamily-Type Copper Importer CcoA

• Bahia Khalfaoui-Hassani, Andreia F. Verissimo, Hans-Georg Koch, Fevzi Daldal
• mBio
• 2016

UNLABELLED Uptake and trafficking of metals and their delivery to their respective metalloproteins are important processes. Cells need precise control of each step to avoid exposure to excessive… (More)

A robust genetic system for producing heterodimeric native and mutant cytochrome bc(1).

• Bahia Khalfaoui-Hassani, Pascal Lanciano, Fevzi Daldal
• Biochemistry
• 2013

The ubihydroquinone:cytochrome c oxidoreductase, or cytochrome bc1, is central to the production of ATP by oxidative phosphorylation and photophosphorylation in many organisms. Its three-dimensional… (More)

The thioreduction component CcmG confers efficiency and the heme ligation component CcmH ensures stereo-specificity during cytochrome c maturation.

• Andreia F. Verissimo, Bahia Khalfaoui-Hassani, +5 authors Fevzi Daldal
• The Journal of biological chemistry
• 2017

In many Gram-negative bacteria, including Rhodobacter capsulatus, cytochrome c maturation (Ccm) is carried out by a membrane-integral machinery composed of nine proteins (CcmA to I). During this… (More)

Biogenesis of the bacterial cbb3 cytochrome c oxidase: Active subcomplexes support a sequential assembly model.

• A. Durand, Marie-Line Bourbon, +5 authors Soufian Ouchane
• The Journal of biological chemistry
• 2018

The cbb3 oxidase has a high affinity for oxygen and is required for growth of bacteria, including pathogens, in oxygen-limited environments. However, the assembly of this oxidase is poorly… (More)

A Copper Relay System Involving Two Periplasmic Chaperones Drives cbb3-Type Cytochrome c Oxidase Biogenesis in Rhodobacter capsulatus.

• Petru-Iulian Trasnea, Andreea Andrei, +5 authors Hans-Georg Koch
• ACS chemical biology
• 2018

PccA and SenC are periplasmic copper chaperones required for the biogenesis of cbb3-type cytochrome c oxidase ( cbb3-Cox) in Rhodobacter capsulatus at physiological Cu concentrations. However, both… (More)

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