TABLE 2.

Strains used in this study

Designation	Strain	Genotype	Reference
AM1	CM3120	M. extorquens AM1 Δcel katA::mCherry	L. Chubiz and C. J. Marx, unpublished data
PA1	CM3839	M. extorquens PA1 Δcel hpt::mCherry	D. Nayak and C. J. Marx, unpublished data
DM4 ΔdcmA	CM4250	M. extorquens DM4 ΔdcmA hpt::Venus	This work
DM4-2cr	DM4-2cr	M. extorquens DM4 with a deletion spanning dcmABC	20
CM4	CM4	M. extorquens CM4	45
BJ001	BJ001	M. extorquens BJ001	41
M. nodulans	ORS 2060	M. nodulans ORS 2060	42
M. radiotolerans	JCM 2831	M. radiotolerans JCM 2831	43