TABLE 2.

Rescue of S-motility mutants by pilQ

Strain	Rescue by plasmida:
	pDW168	pDW92	pDW188	pDW81	pDW167	pDW139	pDW169
DK1241		+		+
DK1242		+	+	−	−	−	−
DK1243		+		+
DK1247		+	+	−	−	−	−
DK1287	+						−
DK1291		+		+
DK1609					+		−
DK1627		+	+	−	−	−	−
DK1633	+				+
DK1636		+		+
DK1675		+			+		−
DK1687		+		+
DK2136		+			+		−
DK2140		+	+				−
DK2148		+		+
DK2149		+		+
DK2150		+		+
DK2159	+				+		−
DK2167		+		+
DK8616 (ΔpilQ)		+

^a+, able to rescue; −, unable to rescue. pDW168, pDW92, and pDW188 contain the entire pilQ gene and flanking DNA. pDW81 and pDW167 contain pilQ fragments. pDW169 and pDW139 contain regions upstream and downstream of pilQ, respectively. See Table 1 and Fig. 1 for plasmid details.