TABLE 1.

S. lividans mutant strains used in this work

Strain	Genotype	Deletion plasmid	Brief description of deletion
M704	Δzwf1	pIJ8702	In-frame deletion in zwf1
M706	Δzwf1 Δzwf2-opc2-devB	pIJ8706	In-frame deletion in zwf1; deletion of majority of zwf2 and all of opc2 and devB at the 3′ end of zwf2 transcription unit
M714	ΔdevB	pIJ8718	Deletion of devB at the 3′ end of zwf2 transcription unit; hygromycin resistance gene inserted in place of devB
M715	Δzwf2	pIJ8717	In-frame deletion in zwf2