Table 4.

Resistance Genes Profile and Minimum Inhibitory Concentration in 98 Erythromycin-Resistant Strains

Erythromycin							No. (%)	MIC(μg/mL)
mreA	ermA	ermB	ermC	mefA	mefE	ermTR		≤0.25	0.5	1	2	4	≥8
+		+					41 (41.8%)	0	10	8	2	5	16
+		+		+			18 (18.4%)	0	4	3	0	2	9
+				+	+		14 (14.3%)	0	0	0	2	2	10
+				+			4 (4.1%)	0	0	1	0	0	3
+	+			+	+	+	3 (3.1%)	0	0	0	0	0	3
+		+		+	+		3 (3.1%)	1	0	0	0	0	2
+	+					+	3 (3.1%)	0	2	0	0	0	1
+	+	+					2 (2.0%)	0	0	0	0	0	2
+							2 (2.0%)	0	0	0	0	1	1
+	+	+				+	1 (1.0%)	0	0	0	0	0	1
+	+			+		+	1 (1.0%)	0	0	0	0	0	1
+	+			+			1 (1.0%)	0	0	0	0	0	1
+		+			+		1 (1.0%)	0	0	0	0	0	1
+				+	+	+	1 (1.0%)	0	0	0	0	0	1
+	+	+		+		+	1 (1.0%)	0	0	0	0	1	0
+	+	+		+			1 (1.0%)	0	1	0	0	0	0
+		+		+		+	1 (1.0%)	0	0	1	0	0	0

Abbreviations: MIC, minimum inhibitory concentration. +, resistance gene detected.