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Identification of t...
Identification of the metallo-beta-lactamase gene from clinical isolates of Bacteroides fragilis
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- Fang, Hong (författare)
- Södertörns högskola,Avdelning Naturvetenskap,Karolinska Institutet
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- Hedberg, M (författare)
- Karolinska Institutet
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- Edlund, Charlotta (författare)
- Södertörns högskola,Avdelning Naturvetenskap,Karolinska Instiutet
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- Nord, C E (författare)
- Karolinska Institutet
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(creator_code:org_t)
- Elsevier BV, 1999
- 1999
- Engelska.
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Ingår i: Anaerobe. - : Elsevier BV. - 1075-9964 .- 1095-8274. ; 5:3-4, s. 431-434
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Bacteroides fragilis is one of the organisms known to produce carbapenem-hydrolysing metallo-beta-lactamase, which can confer resistance to a wide variety of beta-lactams. The purpose of this study was to identify carbapenem-hydrolysing metallo-beta-lactamase-producing B. fragilis strains by means of PCR assay, nucleotide sequencing and enzyme inhibition studies. Ten beta-lactam-resistant B. fragilis isolates were investigated. Four imipenem-resistant strains among the 10 isolates gave positive reactions in the PCR assay. The nucleotide sequences of the PCR products from two imipenem-resistant strains shared >98% similarity with the metallo-beta-lactamase gene from B. fragilis TAL 3636, which was used as a control. The amino acid sequence homology between the two imipenem-resistant strains and B. fragilis TAL 3636 was 99.2%. These strains produced high amounts of Zn2+-dependent beta-lactamases which were inactivated by EDTA.
Ämnesord
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
Nyckelord
- Bacteroides fragilis
- metallo-beta-lactamase
- imipenum-resistance
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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