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© Perrine Bomme, Guillaume Duménil, Jean-Marc Panaud.
Coloured scanning electron micrograph (SEM) of Neisseria meningitidis on epithelial cells
Publication : The Journal of antimicrobial chemotherapy

Emergence of meningococci with reduced susceptibility to third-generation cephalosporins.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in The Journal of antimicrobial chemotherapy - 12 Oct 2016

Deghmane AE, Hong E, Taha MK,

Link to Pubmed [PMID] – 27733517

J Antimicrob Chemother 2017 01; 72(1): 95-98

Reduced susceptibility to penicillin G in Neisseria meningitidis is mainly due to alterations in PBP2 encoded by the penA gene. However, this phenotype was not associated with reduced susceptibility to third-generation cephalosporins (C3Gs). We aimed to study the emergence of meningococci with reduced susceptibility to C3Gs (MIC >0.06 mg/L) in France since 2012.Invasive meningococcal isolates were typed by MLST and penA sequencing and their antibiotic susceptibility was tested.Isolates with reduced susceptibility to C3Gs represented 2% of all invasive isolates from 2012-15, but were absent before. They harboured a new penA allele, penA327, that was also detected in isolates from urethritis cases and in gonococci.Surveillance of these isolates should be enhanced as they may jeopardize the use of C3Gs in the management of invasive meningococcal disease.

https://pubmed.ncbi.nlm.nih.gov/27733517