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

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

Code of isolates No. of isolates Test result for Carbapenemase genes and insertion sequences
MHT CIM CDT CarbAcineto NP Boronic acid disc
Imipenem Meropenem
A4a, A8a, A10a, A6135a, A14, A27, A41, A71, A72, A73, A76, A80, A83, A84, A88 15 + + + + + + blaOXA-51, blaOXA-23, blaVIM, 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 + + + + + + blaOXA-51, blaOXA-23, blaVIM, ISAba1, ISAba2
A13a 1 + + +
A40 1 + + + + + blaOXA-51, blaOXA-23, blaVIM, blaNDM, ISAba1
A59 1 + + + + +
A85 1 + + + + +
A11, A21, A70, A86 4 + + + + + +
A44 1 + + + + blaOXA-51, blaOXA-23, blaVIM, ISAba1, ISAba3
A77 1 + + + + + + blaOXA-51, blaOXA-23, blaVIM, blaNDM, ISAba1, ISAba3
A81 1 + + + + blaOXA-51, blaOXA-23, blaOXA-58, blaVIM, blaNDM, ISAba1, ISAba3
  1. MHT Modified Hodge Test, CIM Carbapenem Inactivation Method, CDT Combined Disc Test, NI Non-interpretable