TABLE 1.

R. sphaeroides strains used in this study

Strain	Relevant properties	Reference
2.4.1	Wild-type strain	55
PPS1 (ΔPpsR)	2.4.1 ppsR::ΩKmr	40
PRRB78	2.4.1 derivative encoding L78P substitution in PrrB, with ΩSmrSpr at SmaI site downstream of prrB	39
PUFB1	2.4.1 ΔpufB::Knr	41
PRRA1 (ΔPrrA)	2.4.1 prrA:: ΩSmrSpr	43
APP11 (ΔAppA)	2.4.1 ΔappA::Tpr	42
JZ1678 (ΔFnrL)	2.4.1 fnrL::ΩSmrSpr	19