A new family of TonB-dependent copper transporters linked to respiratory oxidase function
Published:
01/25/2026
Hachmi M , Mirgaux M, Wintjens R, Carassus C, Arnoux P, Roy G, Rivera-Millot A, Slupek S @sslupek , Debrie AS @asdebrie , Alaimo V, Billon G, Coutte L @lcoutte , Antoine R @rantoine , Jacob-Dubuisson F @fjacob
The Journal of biological chemistry, 111180. 20 Jan. 2026. doi.org/10.1016/j.jbc.2026.111180
Copper is an essential metal notably found in respiration complexes for its redox properties. It is also toxic hence its cellular trafficking is tightly controlled. Bacteria have developed a number of defense systems against copper excess, but its acquisition pathways remain poorly characterized.
