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© Research
Publication : International journal of systematic and evolutionary microbiology

Taxonomic status of Corynebacterium diphtheriae biovar Belfanti and proposal of Corynebacterium belfantii sp. nov

Team: Expertise group: GIPhy – Genome Informatics and Phylogenetics
Team: Mutualized Platform for Microbiology
Team: Bioinformatics and Biostatistics HUB
Team: Biodiversity and Epidemiology of Bacterial Pathogens
Member: Isabelle Moulherat
Member: Edgar Badell-Ocando
Scientific Fields
Diseases
Organisms
Applications
Technique

Published in International journal of systematic and evolutionary microbiology - 24 Oct 2018

Dazas M, Badell E, Carmi-Leroy A, Criscuolo A, Brisse S

Link to Pubmed [PMID] – 30355399

Int. J. Syst. Evol. Microbiol. 2018 Dec;68(12):3826-3831

Clinical isolates belonging to Corynebacterium diphtheriae biovar Belfanti were characterized by genomic sequencing and biochemical and chemotaxonomic analyses. Phylogenetic analyses indicated that biovar Belfanti represents a branch that is clearly demarcated from C. diphtheriae strains of biovars Mitis and Gravis. The average nucleotide identity of isolates of biovar Belfanti with C. diphtheriae type strain NCTC 11397 (biovar Gravis) was 94.85 %. The inability to reduce nitrate differentiated biovar Belfanti from other strains of C. diphtheriae. On the basis of these results, we propose the name Corynebacterium belfantii sp. nov. for the group of strains previously considered as C. diphtheriaebiovar Belfanti. The type strain of C. belfantii is FRC0043 (=CIP 111412=DSM 105776). Strains of C. belfantii were isolated mostly from human respiratory samples.