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© Therese Couderc, Marc Lecuit
Publication : Access microbiology

Clinical and genomic features of a Listeria monocytogenes fatal case of meningitis in Madagascar.

Team: Biology of infection
Member: Marc Lecuit
Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Access microbiology - 01 Jan 2024

Rasoanandrasana S, Rabenandrasana MAN, Ravaoharisoa LM, Randrianaivo N, Rahajamanana VL, Rakotovao-Ravahatra ZD, Moura A, Lecuit M, Rakotovao AL

Link to Pubmed [PMID] – 39045257

Link to DOI – 10.1099/acmi.0.000764.v3

Access Microbiol 2024 ; 6(6):

Listeriosis constitutes a significant public health threat due to its high mortality rate. This study investigates the microbiological and genomic characteristics of Listeria monocytogenes isolates in Madagascar, where listeriosis is a notifiable disease. The analysis focuses on a fatal case of meningeal listeriosis in a 12-year-old child. Genomic analysis revealed a novel cgMLST type (L2-SL8-ST8-CT11697; CC8, serogroup Iia) with typical virulence and antibiotic resistance profiles. These isolates, unique to Madagascar, formed an independent clade in the phylogenetic tree. This study presents the first genomic characterization of Listeria isolates in Madagascar, highlighting the necessity of ongoing genomic surveillance to strengthen listeriosis prevention and control strategies in the region.