TABLE 2.

Modulation of mucoidy in P. aeruginosa and P. fluorescens by pHERD20T-borne alginate regulators

Strain (genotype)	Colony morphologya	Plasmid	Colony morphology with plasmida
			1% Glucose	0% Arabinose	0.1% Arabinose	1% Arabinose	2.5% Arabinose
P. aeruginosa
PAO1	NM	pHERD20T-algU	NM	NM	M	M	NM
		pHERD30T-mucE	NM	NM	M	M	M
		pHERD20T-oprF		NM	NM
		pHERD20T-oprF-WVF		NM	M
PAO1VE2ΔalgW (PGm-mucE ΔalgW)	NM	pHERD20T-algW	NM	M	M	NM	NM
P. fluorescens Pf-5	NM	pHERD30T-mucE		NM	M

^aNM, nonmucoid; M, mucoid.