Study of mycoloyl transferase transport across the cell envelope of Corynebacterium glutamicum |
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Authors: | Nguyen D T Houssin C Bayan N |
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Institution: | Dipartimento di Biologia Moleculare, Sezione di Microbiologia, Università di Sienna, Italy. |
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Abstract: | A bla(VIM-2) metallo-beta-lactamase determinant, identical to that previously identified in Pseudomonas aeruginosa COL-1 isolate from a French hospital, was detected on a 28-kb plasmid carried by a nosocomial isolate of P. aeruginosa from Verona, Italy. In this plasmid the bla(VIM-2) determinant was inserted into a class 1 integron of original structure, named In72, that contains a partially deleted intI1 integrase gene and two gene cassettes. The first cassette carries an aacA4 aminoglycoside acetyl transferase determinant. The second cassette carries a bla(VIM-2) determinant followed by a partially deleted attC site. The structure of In72 was notably different from that of In56, the bla(VIM-2)-containing integron found in the COL-1 isolate, revealing the existence of molecular heterogeneity among bla(VIM-2)-containing integrons in clinical isolates of P. aeruginosa from Europe. |
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Keywords: | Pseudomonas aeruginosa Plasmid Metallo-β-lactamase |
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