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© Therese Couderc, Marc Lecuit
Publication : International journal of systematic and evolutionary microbiology

Listeria ilorinensis sp. nov., isolated from cow milk cheese in Nigeria.

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

Published in International journal of systematic and evolutionary microbiology - 01 Jun 2022

Raufu IA, Moura A, Vales G, Ahmed OA, Aremu A, Thouvenot P, Tessaud-Rita N, Bracq-Dieye H, Krishnamurthy R, Leclercq A, Lecuit M

Link to Pubmed [PMID] – 35731854

Link to DOI – 10.1099/ijsem.0.005437

Int J Syst Evol Microbiol 2022 Jun; 72(6):

During microbial assessment of cow milk cheese products in the city of Ilorin, Nigeria, a Listeria-like isolate was detected that could not be assigned to any known species. Whole-genome sequence analyses against all currently known 26 Listeria species confirmed that this isolate constitutes a new taxon within the genus Listeria, with highest similarity to Listeria costaricensis (average nucleotide identity blast of 82.66%, in silico DNA-DNA hybridization of 28.3%). Phenotypically, it differs from L. costaricensis by the inability to ferment sucrose, l-fucose and starch. The absence of haemolysis and Listeria pathogenic islands suggest that this novel species is not pathogenic for humans and animals. The name Listeria ilorinensis sp. nov. is proposed, with the type strain CLIP 2019/01311T (=CIP 111875T=DSM 111566T).