Description of Veillonella absiana sp. nov., isolated from pig faeces.

IF 2 3区生物学 Q4 MICROBIOLOGY

International journal of systematic and evolutionary microbiology Pub Date : 2025-01-01 DOI:10.1099/ijsem.0.006643

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

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引用次数: 0

Abstract

Two Gram-stain-negative cocci anaerobes were isolated from pig faeces and designated as strains YH-vei2232^T and YH-vei2233. Phylogenetic analysis using 16S rRNA gene sequences revealed that the isolates were most closely related to Veillonella rogosae KCTC 5967^T, with 97.0% similarity. Analysis of housekeeping gene sequences (rpoB) revealed the strain formed a sub-cluster within the genus Veillonella. The average nucleotide identities between the two isolates and the most closely related strains within genus Veillonella were <75.0%. The major fatty acids were Summed Feature 8 and C_16 : 1 ω9c. The cell wall peptidoglycan contained meso-diaminopimelic acid. The major metabolic end products of isolates were propionic and acetic acids. The genomic DNA G+C contents of both strains were 40.1 mol%. The chemotaxonomic, phenotypic and phylogenetic properties of YH-vei2232^T (=KCTC 25748^T=NBRC 116427^T) and YH-vei2233 (=KCTC 25749=NBRC 116428) suggest that they represent a novel species of the genus Veillonella, for which the name Veillonella absiana sp. nov. is proposed.

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猪粪便中分离的苦纹细孔菌的描述。

从猪粪便中分离到2株革兰氏阴性厌氧菌，分别命名为YH-vei2232T和YH-vei2233。16S rRNA基因序列的系统发育分析表明，分离株与rogosae Veillonella KCTC 5967T亲缘关系最近，相似度为97.0%。内务基因序列（rpoB）分析显示该菌株形成了细孔菌属的一个亚群。两株分离株与细孔菌属内亲缘关系最密切的菌株的平均核苷酸同源度为16.1 ω9c。细胞壁肽聚糖含有中二氨基亚苯甲酸。菌株的主要代谢终产物为丙酸和乙酸。两菌株基因组DNA G+C含量均为40.1% mol%。YH-vei2232T （=KCTC 25748T=NBRC 116427T）和YH-vei2233 （=KCTC 25749=NBRC 116428）的化学分类、表型和系统发育特征表明，它们代表了一种新种，并建议将其命名为absiana sp. nov.。

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来源期刊

International journal of systematic and evolutionary microbiology 生物-微生物学

CiteScore

5.20

自引率

21.40%

发文量

426

审稿时长

1 months

期刊介绍： Published by the Microbiology Society and owned by the International Committee on Systematics of Prokaryotes (ICSP), a committee of the Bacteriology and Applied Microbiology Division of the International Union of Microbiological Societies, International Journal of Systematic and Evolutionary Microbiology is the leading forum for the publication of novel microbial taxa and the ICSP’s official journal of record for prokaryotic names. The journal welcomes high-quality research on all aspects of microbial evolution, phylogenetics and systematics, encouraging submissions on all prokaryotes, yeasts, microfungi, protozoa and microalgae across the full breadth of systematics including: Identification, characterisation and culture preservation Microbial evolution and biodiversity Molecular environmental work with strong taxonomic or evolutionary content Nomenclature Taxonomy and phylogenetics.