. 2003 Mar;185(6):1870–1885. doi: 10.1128/JB.185.6.1870-1885.2003

TABLE 4.

FecA and FecA (DALTV)/Cys mutant-mediated growth promotion by ferric citrate as the sole iron source

Strain^a	Plasmid^b	FecA TonB box sequence	Growth zone (mm)^c
Strain^a	Plasmid^b	FecA TonB box sequence	1 mM	10 mM	100 mM	1 M
AB2847			14	24	33	44
WA1031			0	0	0	(22)
	pHSG576		0	0	0	(22)
	pMMO203		0	0	0	(23)
	pLCIRA	DALTV	14	23	33	43
	pMON1	CALTV	0	15	24	30
	pMON2	DCLTV	13	22	30	39
	pMON3	DACTV	11	22	32	40
	pMON4	DALCV	13	23	30	37
	pMON5	DALTC	12	22	31	28

Growth measurements of plasmids were determined in strain WA1031 (AB2847 fecA).

The plasmids listed also carry the fecIR regulatory genes.

Growth was measured as the diameters of the growth zones around 6-mm-diameter filter disks which had been saturated with 10 μl of the indicated concentrations of sodium citrate.