TABLE 2.

Antibiotic resistance, presence of plasmid DNA, slime production, clumping, presence of AS genes, and Southern hybridization with a probe internal to the prgB gene of pCF10 in enterococci isolated from occluded biliary stents

Strain	Antibiotic resistancea	Plasmid DNAb	Slime productionc	Clumpingd		PCRb			Hybridization with prgBb
				JH2-2	OGIRF	agg	prgB	prgX
E. faecalis
EFS-12	Tc, Em, Sm, Gm, Cl	+	SP	−	−	+	+	−	+
EFS-13	Tc, Em, Sm, Gm, Cl	+	NP	−	−	−	−	ND	ND
EFS-16	Tc, Em, Gm, Cl	+	SP	−	−	−	−	ND	ND
EFS-20	Em, Gm	+	SP	−	−	+	+	−	+
EFS-22	Tc, Em	−	NP	−	−	−	−	ND	ND
EFS-27b	Tc, Gm, Cl	+	NP	+++	++	+	+	−	+
EFS-28b	Em, Gm	+	SP	−	−	+	+	−	+
EFS-30d	Em	+	SP	+++	−	+	+	−	+
EFS-32	Em, Gm	−	SP	−	−	−	−	ND	ND
EFS-35	Tc, Em	+	SP	−	−	−	−	ND	ND
EGL-19	Tc, Em, Gm, Cl	+	SP	−	+	+	+	−	+
EFS-38	Tc, Em, Gm, Cl	+	SP	−	+	−	−	ND	−
OGIRF(pCF10)	Tc, Rf, Fu	+	NDe	+++	−	+	+	+	+
E. faecium
EFM-13	Tc, Gm	+	NP	−	−	−	−	ND	ND
EFM-14	Em, Gm	−	NP	−	−	−	−	ND	ND
EFM-15	Em, Gm	−	NP	−	−	−	−	ND	ND
EFM-26	Tc, Em, Gm, Am	+	NP	+	+	−	−	ND	−
EFM-33	Tc, Em	−	NP	−	−	−	−	ND	ND
CIUM-22	Tc, Em, Cl, Am	−	NP	+	−	−	−	ND	−
CIUM-34	Tc, Am	−	SP	+	+	−	−	ND	−
LS10(pBRG1)	Vm	+	ND	+	−	+	−	ND	−

^aAm, ampicillin; Cl, chloramphenicol; Em, erythromycin; Gm, gentamicin; Sm, streptomycin; Tc, tetracycline; Vm, vancomycin; Rf, rifampin; Fu, fusidic acid.

^b+, present; −, absent.

^cSP, strong producers (OD > 0.240); WP, weak producers (0.120 < OD < 0.240); NP, nonproducers (OD < 0.120).

^d+, weak; ++, moderate; +++, strong.

^eND, not determined.