TABLE 1.

Phenotypes and genetic complementation of tad mutants

Strain	Genotype of:		Phenotype
	Strain	Test plasmida	Colonyb	Adherence	Fibrilsc
CU1000N	Wild type rough	None	R++	+	+
CU1060N	Smooth	None	S	−	−
		tadA-G	S	−	−
		flp-tadG	R+	+	+
Aa1360	tadA	Vector	S	−	−
		tadA+	R+	+	+
Aa1332	tadB	Vector	S	−	−
		tadB+	R+	+	+
Aa1359	tadC	Vector	S	−	−
		tadC+	R+	+	+
Aa1577	tadD	Vector	S	−	−
		tadC+D+	R+	+	+
Aa1347	tadE	Vector	S	−	−
		tadE+	R+	+	+
Aa1512	tadF	Vector	S	−	−
		tadF+	R+	+	+
Aa1561	tadG	Vector	S	−	−
		tadG+	R+	+	+

^aThe vector is tacp promoter plasmid pJAK16 (see Materials and Methods). Complementation did not require induction by IPTG. 

^bR, rough; S, smooth. 

^cDetermined by electron microscopy as described for Fig. 1.