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© Perrine Bomme, Guillaume Duménil, Jean-Marc Panaud.
Coloured scanning electron micrograph (SEM) of Neisseria meningitidis on epithelial cells
Publication : Methods in molecular biology (Clifton, N.J.)

Diagnosis of Meningococcal Infection Using Internally Controlled Multiplex Real-Time PCR

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Methods in molecular biology (Clifton, N.J.) - 01 Jan 2019

Deghmane AE, Hong E, Taha MK

Link to Pubmed [PMID] – 30877667

Methods Mol. Biol. 2019;1969:17-31

Neisseria meningitidis (Nm) is a leading cause of invasive infections associated with high mortality and morbidity, notably meningitis and septicemia. Etiological rapid diagnosis is key for the preventive management of invasive meningococcal disease (IMD). However, conventional methods for diagnosis are time-consuming and could be hampered by the difficulties in culturing the isolates from clinical specimens especially due to early antibiotic treatment. Therefore, sensitive, specific and rapid non-culture-based methods are valuable for early diagnosis, effective therapy, and prevention. Here we describe a real-time PCR multiplex assays for the detection of Nm targeting the meningococcal-specific gene crgA, coding for a LysR-like transcriptional regulator, and six serogroup-specific (A, B, C, W, X, Y) Nm capsular genes, using a Qiagen column-based method for the optimum isolation of DNA from clinical specimens. Internal quality controls were included to monitor extraction of DNA, inhibition and the technical validation of the PCR as well.

https://www.ncbi.nlm.nih.gov/pubmed/30877667