TABLE 2.

Effects of phoB on polyP accumulation^a

Strain	Relevant genotype	PolyP (nmol/mg of protein)
AT833	K10 wild type	10.8
AT13	K10 phoB63	1.8
AT854	K10 ΔphoU	7.7
AT857	K10 phoU35	15
AT280	K10 phoR68	16.9
AT776	K10 phoR69	17.6
AT884	GP3 phoB::Tn5	1.8
AT25	LEP1 phoB23	1.8
AT30	G206 phoB62	1.9
NR21	W3110 wild type	115
AT401	W3110 phoR creC	0.1
CF1648	MG1655 wild type	48
NR2	MG1655 phoB::Tn5	0.3

^aMOPS-buffered minimal medium, with 0.1 mM P_i and 2 μg of each amino acid per ml, was used. The OD₅₄₀ values at the time of sampling were near 0.3.