Table 3.

Effect of multicopy greA* and dksA* genes on the auxtrophies of the dksA and ppGpp⁰ strains

Row no.	Strain description	Plasmid	Growth on M9 platesa
			ppGpp+		ppGpp0
			− IPTG	+ IPTG	− IPTG	+ IPTG
1	dksA+	Vectorb	+	+	−	−
2		pGreA*	+	+ (<)	−	−
3		pDksA*	+	+ (<)	−	−
4	dksA	Vector	+	+	−	−
5		pGreA*	+	+ (>)	−	+
6		pDksA*	+	+	+	+ (>)

^aGrowth conditions and scoring were as described for Table 1.

^bThe vector control was pHM1883.