... withthe HupT ⁄ HoxJ kinase in vitro [4]. The role of theN-terminal part of the kinase, containing a PASdomain, was established in signal transductionbetween the RH and the kinase [6,7]. Addition ... [25]. In Rhodopseudomonas palustris CGA009, the photosys-tem is synthesized in the dark due to a single pointmutation in the helix–turn–helix DNA binding motifof PpsR, rendering it inactive ... following concentrations(lgÆmL)1): for E. coli: streptomycin (50), ampicillin (100),kanamycin (50), gentamycin (20), erythromycin (50); forT. roseopersicina: streptomycin (5), kanamycin (20),...