Name: Corynebacterium pacaense Bellali et al. 2026
Etymology: pa.ca.en’se. N.L. neut. adj. pacaense, ‘PACA, ’ the name of the region Provence-Alpes-Côte d’Azur, France, where the strain was isolated [probably better: pacense]
Pronunciation (Latin), gender: ko-ry-ne-bak-TE-ri-um pa-ka-EN-se, neuter
Type strain: CSUR P2417; DSM 104935; Marseille P2417
Conduct genome-based taxonomy at
16S rRNA gene:
LT223574
Analyse
FASTA
Effective publication:
Bellali S, Naud S, Ndongo S, Lo CI, Anani H, Raoult D, Lagier JC. Corynebacterium pacaense sp. nov., Alistipes megaguti sp. nov., Alistipes provencensis sp. nov., 3 new bacteria isolated from fresh human stool specimens. New Microbes New Infect 2019; 32:100593. 
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IJSEM list:
Oren A, Göker M. Validation list no. 227. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2026; 76:6989.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name (and explicitly recommended for medical use)
Parent taxon: Corynebacterium Lehmann and Neumann 1896 (Approved Lists 1980)
Assigned by:
Bellali S, Naud S, Ndongo S, Lo CI, Anani H, Raoult D, Lagier JC. Corynebacterium pacaense sp. nov., Alistipes megaguti sp. nov., Alistipes provencensis sp. nov., 3 new bacteria isolated from fresh human stool specimens. New Microbes New Infect 2019; 32:100593. 🇫🇷
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