The DOI matches its Crossref record; 21 of the 21 references it cites were found in a registry or an index.
Contribution of Acquired Carbapenem-Hydrolyzing Oxacillinases to Carbapenem Resistance in Acinetobacter baumannii
Open accessAbstract
Carbapenem-hydrolyzing oxacillinases are reported increasingly in Acinetobacter baumannii . Since they hydrolyze carbapenems at low levels, the roles of carbapenem-hydrolyzing oxacillinases OXA-23, OXA-40, and OXA-58 in A. baumannii were determined. The bla OXA-23 , bla OXA-40 , and bla OXA-58 genes were inserted in broad-host-range plasmid pAT801 and transformed in Escherichia coli DH10B and in A. baumannii CIP 70.10 and its point mutant derivative A. baumannii BM4547, which overexpresses the efflux pump AdeABC. Natural plasmids harboring the bla OXA-23 and bla OXA-58 genes were also transformed in A. baumannii CIP 70.10. In addition, the bla OXA-40 gene was inactivated at its chromosome location in A. baumannii CLA-1. Intermediate levels of resistance or reduced susceptibilities to carbapenems were observed for A. baumannii transformants expressing OXA-23, OXA-40, and OXA-58. The inactivation of bla OXA-40 in A. baumannii CLA-1 yielded reduced susceptibilities to carbapenems. Carbapenem-hydrolyzing oxacillinases OXA-23, OXA-40, and to a lesser extent OXA-58 play a role in carbapenem resistance in A. baumannii , and overexpression of efflux pump AdeABC may also contribute to higher levels of resistance to β-lactams, including carbapenems.
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Cited by
Acinetobacter baumannii : Emergence of a Successful Pathogen
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Three Decades of β-Lactamase Inhibitors
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Epidemiology of β-Lactamase-Producing Pathogens
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Metadata
- Authors
- Héritier, C., Poirel, L., Lambert, T., & Nordmann, P.
- Venue
- Antimicrobial Agents and Chemotherapy
- Publisher
- American Society for Microbiology
- Published
- 2005-08
- Volume
- 49
- Issue
- 8
- Pages
- 3198-3202
- ISSN
- 0066-4804 (ISSN-L)
- 1098-6596
- OpenAlex
- W1995085773
- Cited by
- 272
- References
- 21
- FWCI
- 9.69
- Type
- journal article
- Language
- en
- Open access
- green
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- Héritier, C., Poirel, L., Lambert, T., & Nordmann, P. (2005). Contribution of Acquired Carbapenem-Hydrolyzing Oxacillinases to Carbapenem Resistance in Acinetobacter baumannii. Antimicrobial Agents and Chemotherapy. https://doi.org/10.1128/aac.49.8.3198-3202.2005
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