Key points are not available for this paper at this time.
Precious bacterium: Biologically produced palladium nanoparticles bound to a cell membrane participated in electron-transport pathways as well as electrocatalysis on an electrode surface (see picture). Periplasmic hydrogenases (FeFe) and cytochromes (Cyt) may be involved in the processes.
Wu et al. (Sun,) studied this question.