Complete sequence of p07-406, a 24,179-base-pair plasmid harboring the blaVIM-7 metallo-β-lactamase gene in a pseudomonas aeruginosa isolate from the United States

Li, H., Toleman, Mark Alexander Howard ORCID: https://orcid.org/0000-0002-9497-0512, Bennett, P. M., Jones, R. N. and Walsh, Timothy Rutland ORCID: https://orcid.org/0000-0003-4315-4096 2008. Complete sequence of p07-406, a 24,179-base-pair plasmid harboring the blaVIM-7 metallo-β-lactamase gene in a pseudomonas aeruginosa isolate from the United States. Antimicrobial Agents and Chemotherapy 52 (9) , pp. 3099-3105. 10.1128/AAC.01093-07

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Abstract

An outbreak involving a Pseudomonas aeruginosa strain that was resistant to all tested antimicrobials except polymyxin B occurred in a hospital in Houston, TX. Previous studies on this strain showed that it possesses a novel mobile metallo-β-lactamase (MBL) gene, designated blaVIM-7, located on a plasmid (p07-406). Here, we report the complete sequence, annotation, and functional characterization of this plasmid. p07-406 is 24,179 bp in length, and 29 open reading frames were identified related to known or putatively recognized proteins. Analysis of this plasmid showed it to be comprised of four distinct regions: (i) a region of 5,200 bp having a Tn501-like mercuric resistance (mer) transposon upstream of the replication region; (ii) a Tn3-like transposon carrying a truncated integron with a blaVIM-7 gene and an insertion sequence inserted at the other end of this transposon; (iii) a region of four genes, upstream of the Tn3-like transposon, possessing very high similarity to plasmid pXcB from Xanthomonas campestris pv. citri commonly associated with plants; (iv) a backbone sequence similar to the backbone structure of the IncP group plasmid Rms149, pB10, and R751. This is the first plasmid to be sequenced carrying an MBL gene and highlights the amelioration of DNA segments from disparate origins, most noticeably from plant pathogens.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine Systems Immunity Research Institute (SIURI)
Subjects:	Q Science > QR Microbiology
Additional Information:	Pdf uploaded in accordance with publisher's policy at http://www.sherpa.ac.uk/romeo/issn/0066-4804/ (accessed 24/02/2014)
Publisher:	American Society for Microbiology
ISSN:	0066-4804
Date of First Compliant Deposit:	30 March 2016
Last Modified:	04 May 2023 19:38
URI:	https://orca.cardiff.ac.uk/id/eprint/27266

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