Authors
Almudena Molina-Aja, Alejandra García-Gasca, Alberto Abreu-Grobois, Carmen Bolán-Mejía, Ana Roque, Bruno Gomez-Gil
Publication date
2002/7/1
Journal
FEMS Microbiology Letters
Volume
213
Issue
1
Pages
7-12
Publisher
Blackwell Publishing Ltd
Description
Resistance to different antibiotics was found in 26 of the 30 strains analyzed, more than 70% of the strains analyzed were resistant to carbenicillin and ampicillin and a significant correlation was found between the resistance to both antibiotics. Plasmids were found in 80% of the strains analyzed, and 11 different plasmid profiles were observed. The most common profile obtained had only a 21.2-kbp plasmid, a significant correlation was found between the presence of this plasmid and resistance to carbenicillin, although some exceptions could be detected. Plasmids were cured from a cephalothin resistant strain and reintroduced into the plasmid-free cell and into Escherichia coli DH5α, both strains gained resistance to this antibiotic.
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A Molina-Aja, A García-Gasca, A Abreu-Grobois… - FEMS Microbiology Letters, 2002