Table 1.

Synechocystis strains used in this work.

Strain	Relevant Genotype	Mutated ORFS	Source
WT	Synechocystis sp PCC 6803	-	Lab collection
STXC2	ΔtrxC::C.K1	sll1057	[25]
WTOE	glnN::PpetE:histrxC:Nat	slr0288	This study
STXCOE	ΔtrxC::C.K1 glnN::PpetE:histrxC:Nat	sll1057, slr0288	This study