Phenotypic and genotypic characterization of carbapenem-resistant Acinetobacter baumannii isolates from Egypt

Table 3 Detection of carbapenemases, their encoding genes and insertion sequences among the A. baumannii isolates

Code of isolates	No. of isolates	Test result for						Carbapenemase genes and insertion sequences
		MHT	CIM	CDT	CarbAcineto NP	Boronic acid disc
		MHT	CIM	CDT	CarbAcineto NP	Imipenem	Meropenem
A4a, A8a, A10a, A6135a, A14, A27, A41, A71, A72, A73, A76, A80, A83, A84, A88	15	+	+	+	+	+	+	bla_OXA-51, bla_OXA-23, bla_VIM, ISAba1
A6, A8, A12, A46, A69	5	+	+	+	+	–	+
A1a, A14a, A24, A36	4	+	–	+	+	–	+
A11a, A25, A37, A68, A91	5	+	+	+	+	–	–
A30, A34, A64, A74	4	–	–	+	+	+	+
A42, A43, A92	3	+	–	+	+	+	+
A15, A16, A82	3	+	+	–	+	–	–
A13, A22	2	+	+	–	+	+	+
A4, A31	2	–	+	+	+	–	+
A7, A39	2	–	+	+	+	+	–
A10, A78	2	+	–	+	+	–	–
A90	1	+	+	+	+	+	–
A5	1	–	+	+	+	+	+
A18	1	+	–	–	+	+	+
A45	1	+	–	–	+	+	–
A9	1	–	+	–	+	+	+
A33	1	–	–	+	+	+	–
A23	1	+	+	–	+	–	+
A2a	1	–	–	+	+	–	+
A35	1	–	–	+	+	–	–
A26	1	–	–	–	+	+	+
A19	1	+	–	–	+	–	–
A2	1	+	–	–	–	–	–
A17	1	–	–	–	+	–	–
A87	1	+	+	–	NI	–	+
A89	1	+	+	+	NI	+	+
A75	1	+	+	+	+	+	+	bla_OXA-51, bla_OXA-23, bla_VIM, ISAba1, ISAba2
A13a	1	–	+	+	+	–	–	bla_OXA-51, bla_OXA-23, bla_VIM, ISAba1, ISAba2
A40	1	+	+	+	+	+	–	bla_OXA-51, bla_OXA-23, bla_VIM, bla_NDM, ISAba1
A59	1	+	+	+	+	–	+
A85	1	+	+	–	+	+	+
A11, A21, A70, A86	4	+	+	+	+	+	+
A44	1	+	–	+	+	–	+	bla_OXA-51, bla_OXA-23, bla_VIM, ISAba1, ISAba3
A77	1	+	+	+	+	+	+	bla_OXA-51, bla_OXA-23, bla_VIM, bla_NDM, ISAba1, ISAba3
A81	1	+	+	+	+	–	–	bla_OXA-51, bla_OXA-23, bla_OXA-58, bla_VIM, bla_NDM, ISAba1, ISAba3

MHT Modified Hodge Test, CIM Carbapenem Inactivation Method, CDT Combined Disc Test, NI Non-interpretable

ISSN: 2047-2994