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. 2005 Dec;49(12):5172-5.
doi: 10.1128/AAC.49.12.5172-5175.2005.

Cloning and functional analysis of the gene encoding the 33- to 36-kilodalton outer membrane protein associated with carbapenem resistance in Acinetobacter baumannii

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Cloning and functional analysis of the gene encoding the 33- to 36-kilodalton outer membrane protein associated with carbapenem resistance in Acinetobacter baumannii

Maria del Mar Tomás et al. Antimicrob Agents Chemother. 2005 Dec.

Abstract

We investigated a multiresistant strain of Acinetobacter baumannii isolated in our hospital. Analysis of the N-terminal peptide sequence of the outer membrane proteins (OMPs) purified from the strain allowed us to clone and sequence the nucleotides of the gene encoding the 33- to 36-kDa OMP associated with carbapenem resistance in A. baumannii.

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Figures

FIG. 1.
FIG. 1.
Electrophoretic analysis of OMPs (ca. 30 μg each) with a 10% sodium dodecyl sulfate-polyacrylamide gel with 6 M urea stained with Coomassie brilliant blue R-250. Lanes: Mw, molecular mass markers of the indicated sizes; JC10/01, purified OMPs from strain JC10/01; EG-1, purified OMPs from strain EG-1; EG-1rev, purified OMPs from strain EG-1rev. The arrow indicates the position of the 33- to 36-kDa OMP.
FIG. 2.
FIG. 2.
Electrophoretic analysis of OMPs (ca. 30 μg each) of JC10/01 strain transformed with the indicated plasmids with a 10% sodium dodecyl sulfate-polyacrylamide gel with 6 M urea stained with Coomassie brilliant blue R-250. Lanes: Mw, molecular mass markers of indicated sizes; JC10/01 pAT-RA-c, purified OMPs from strain JC10/01 as negative control; JC10/01 pAT-RA-34s, purified OMPs from strain JC10/01 expressing the 33- to 36-kDa OMP from JC7/04 isolate; JC10/01 pAT-RA-34r, purified OMPs from strain JC10/01 expressing the 33- to 36-kDa OMP from JC10/01 isolate. The arrow indicates the position of the 33- to 36-kDa OMP.

References

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