@article{mbs:/content/journal/ijsem/10.1099/ijsem.0.003230, author = "Wang, Yu-Jing and Xu, Xin-Jie and Zhou, Nan and Sun, Yutong and Liu, Chang and Liu, Shuang-Jiang and You, Xin", title = "Parabacteroides acidifaciens sp. nov., isolated from human faeces", journal= "International Journal of Systematic and Evolutionary Microbiology", year = "2019", volume = "69", number = "3", pages = "761-766", doi = "https://doi.org/10.1099/ijsem.0.003230", url = "https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/ijsem.0.003230", publisher = "Microbiology Society", issn = "1466-5034", type = "Journal Article", keywords = "strain 426-9T", keywords = "Parabacteroides acidifaciens", keywords = "faeces", keywords = "human intestinal microbiota", abstract = "A polyphasic taxonomic approach was applied to characterize an anaerobic bacterial strain, 426-9T, that was isolated from human faeces. The strain was Gram-stain-negative, non-motile, non-spore-forming, non-pigmented and rod-shaped. Strain 426-9T grew anaerobically at 20–45 °C (optimally at 37–40 °C) and at pH 6.0–10.0 (optimally at pH 6.0–8.0). The major polar lipids were phosphatidylethanolamine, seven amino phospholipids and three phospholipids. The major fatty acids of strain 426-9T were anteiso-C15 : 0 and iso-C17 : 0 3-OH, and the predominant respiratory quinones were menaquinones MK-9 and MK-10. End-products of glucose fermentation were acetate, propionate, iso-butyrate and iso-pentanoate. 16S rRNA gene sequence analysis showed that strain 426-9T was a member of the genus Parabacteroides . The level of 16S rRNA gene sequence similarity of strain 426-9T to the type species of the genus, Parabacteroides distasonis ATCC 8503T, was 91.0 %. Within the genus Parabacteroides , strain 426-9T was phylogenetically closely related to Parabacteroides johnsonii M-165T (96.0 % 16S rRNA gene sequence similarity). The draft genome of strain 426-9T comprised 5.15 Mb with a DNA G+C content of 45.9 mol%. A total of 4088 genes were predicted and, of those, 3744 were annotated. On the basis of phenotypic, chemotaxonomic and phylogenetic characterization, strain 426-9T represents a novel species within the genus Parabacteroides , for which the name Parabacteroides acidifaciens sp. nov. is proposed. The type strain is 426-9T (=CGMCC 1.13558T=NBRC 113433T).", }