Description of Porcibacter vitabionis gen. nov., sp. nov., an anaerobe isolated from pig faeces.

Authors

Jayoung Paek, Lu Bai, Jun-Pil Jang, Yeseul Shin, Hongik Kim, Si Hyun Kim, Jeong Hwan Shin, Joong-Ki Kook, Young-Hyo Chang

Published in

International journal of systematic and evolutionary microbiology. Volume 76. Issue 7.

Abstract

Two Gram-stain-positive rod-shaped anaerobic bacterial strains were isolated from pig faeces and designated as strains YH-ros2226^T and YH-ros2228. Phylogenetic analysis using 16S rRNA gene sequences revealed that the isolates were most closely related to Pararoseburia lenta KCTC 15957^T, with 92.2% similarity. The multi-locus sequence tree revealed that the isolates formed a distinct cluster within the family Lachnospiraceae. The average nucleotide identity, digital DNA-DNA hybridization, average amino acid identity and percentage of conserved proteins values between the isolates and related strains within the family Lachnospiraceae ranged from 67.0% to 68.8%, 18.5% to 33.9%, 51.5% to 54.6% and 33.6% to 44.1%, respectively. The major cellular fatty acids were C_16 : 0, C_18 : 1  ω9c and C_16 : 0 N alcohol. The cell wall peptidoglycan contained meso-diaminopimelic acid. The genomic DNA G+C contents of the strains were 46.8-47.0 mol%. The chemotaxonomic, phenotypic and phylogenetic properties of YH-ros2226^T (=KCTC 25944^T=JCM 37835^T) and YH-ros2228 (=KCTC 25945=JCM 37836) suggested that they represented a novel genus and species within the family Lachnospiraceae, for which the name Porcibacter vitabionis gen. nov., sp. nov. is proposed.

PMID:
42405947
Bibliographic data and abstract were imported from PubMed on 06 Jul 2026.

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