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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Biotinylated oligonucleotide probes for the detection and the characterization of TEM-type extended broad spectrum beta-lactamases in Enterobacteriaceae.

Point mutations in the nucleotide sequence of the structural genes for the TEM-type penicillinases can broaded their substrate spectrum towards all beta-lactams except cephamycins and imipenem. The presence of such variants on self-transferable plasmids accounts for the dissemination of this new type of resistance to numerous species of Enterobacteriaceae in various countries. We have synthetized biotinylated oligonucleotide probes for the detection and the discrimination of parental and mutated nucleotide sequences of TEM enzymes. Seven clinical isolates belonging to four species and harbouring TEM-1, TEM-3 or TEM-6 were studied. The results obtained indicate that detection of TEM-derived broad spectrum beta-lactamases in clinical isolates of Entero-bacteriaceae is possible with biotinylated oligonucleotide probes.[1]

References

  1. Biotinylated oligonucleotide probes for the detection and the characterization of TEM-type extended broad spectrum beta-lactamases in Enterobacteriaceae. Tham, T.N., Mabilat, C., Courvalin, P., Guesdon, J.L. FEMS Microbiol. Lett. (1990) [Pubmed]
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