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Δευτέρα 17 Απριλίου 2017

Deciphering heteroresistance to colistin in a Klebsiella pneumoniae isolate from Marseille, France [PublishAheadOfPrint]

Here, we report the description of a colistin-heteroresistant Klebsiella pneumoniae fortuitously isolated from the stool sample of a patient with suspicion of tuberculosis in public hospital of Marseille, France. In the colistin-resistant subpopulation, a mutation in the mgrB gene leading to a premature Stop-codon was found, and the hypermucoviscous phenotype was lost. Susceptibility to other antibiotics remained unchanged. To our knowledge, this is the first identification of such a colistin-heteroresistant Klebsiella pneumoniae isolate in France.



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