Turicibacter sanguinis
| Turicibacter sanguinis | |
|---|---|
Scientific classification 
| |
| Missing taxonomy template (fix): | Turicibacter |
| Species: | Template:Taxonomy/TuricibacterT. sanguinis
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| Binomial name | |
| Template:Taxonomy/TuricibacterTuricibacter sanguinis Bosshard et al. 2002[1]
| |
| Type strain | |
| DSM 14220 = MOL361 = NCCB 100008[1] | |
Turicibacter sanguinis is a strictly anaerobic, Gram-positive, rod-shaped species of bacterium in the family Turicibacteraceae. It is the type species of the genus Turicibacter.[1] The type strain, MOL361, was isolated from a blood culture obtained from a febrile patient with acute appendicitis.[2] Genome-confirmed strains have also been cultured from human feces.[3]
Taxonomy
The specific epithet sanguinis is a Latin genitive noun meaning "of blood", referring to the isolation source of the type strain.[1]
Genome comparisons have shown that not every strain historically identified as T. sanguinis using broad 16S rRNA sequence similarity belongs to the same genomic species. Nine human- and mouse-derived isolates identified using a 97% full-length 16S rRNA similarity threshold separated into at least three genomic groups. Within-group average nucleotide identity values exceeded 98.3%, whereas values between groups were 74.95–77.43%. One of these groups had 98.8% average nucleotide identity to Turicibacter bilis.[4]
Characteristics
Cells of the type strain are long, irregular rods measuring approximately 0.5–2.0 by 0.7–7.0 µm and may form chains. The bacterium is non-motile, catalase-negative, and oxidase-negative. It has a fermentative, chemoorganotrophic metabolism and grows between 25 and 46 °C, with optimal growth at 37 °C. Its optimal pH is approximately 7.5.[2][5]
In the original biochemical tests, maltose and weakly 5-ketogluconate were the only carbohydrates utilized. Lactate was the principal fermentation product, accompanied by a small amount of acetate.[2]
The type strain was originally reported as non-spore-forming. In contrast, the genome-confirmed human fecal strain K031 formed heat-resistant endospores when grown anaerobically on YCFA agar. The spores contained a core, cortex, inner and outer coat layers, and a crust-like outer layer. Thin and thick outer-coat morphotypes were observed.[3]
Laboratory assays showed that MOL361 deconjugated both taurine- and glycine-conjugated bile acids and dehydrogenated cholic and chenodeoxycholic acids. Experiments in gnotobiotic mice found that colonization by MOL361 and other Turicibacter strains altered bile-acid and lipid profiles in a strain-dependent manner.[4]
References
- ↑ 1.0 1.1 1.2 1.3 "Species: Turicibacter sanguinis". List of Prokaryotic names with Standing in Nomenclature. Leibniz Institute DSMZ. Retrieved 14 August 2026.
- ↑ 2.0 2.1 2.2 Bosshard, Philipp P.; Zbinden, Reinhard; Altwegg, Martin (2002). "Turicibacter sanguinis gen. nov., sp. nov., a novel anaerobic, Gram-positive bacterium". International Journal of Systematic and Evolutionary Microbiology. 52 (4): 1263–1266. doi:10.1099/00207713-52-4-1263. PMID 12148638.
- ↑ 3.0 3.1 Cortés-Tapia, Catalina; Cid-Rojas, Francisca; Moya-Beltrán, Ana; García-Yunge, José; Castro, Matías; Rojas-Villalobos, Camila; Gil, Fernando; Quatrini, Raquel; Pizarro-Guajardo, Marjorie; Paredes-Sabja, Daniel (14 July 2026). "Distinctive spore architecture and developmental biology of Turicibacter sanguinis reveal unexpected diversity among gut spore formers". Journal of Bacteriology. doi:10.1128/jb.00029-26. PMID 42446994 Check
|pmid=value (help). Unknown parameter|article-number=ignored (help) - ↑ 4.0 4.1 Lynch, Jonathan B.; Gonzalez, Erika L.; Choy, Kayli; Faull, Kym F.; Jewell, Talia; Arellano, Abelardo; Liang, Jennifer; Yu, Kristie B.; Paramo, Jorge; Hsiao, Elaine Y. (2023). "Gut microbiota Turicibacter strains differentially modify bile acids and host lipids". Nature Communications. 14. doi:10.1038/s41467-023-39403-7. PMID 37339963 Check
|pmid=value (help). Unknown parameter|article-number=ignored (help) - ↑ Maki, Joel J.; Looft, Torey (2022). "Turicibacter bilis sp. nov., a novel bacterium isolated from the chicken eggshell and swine ileum". International Journal of Systematic and Evolutionary Microbiology. 72 (1). doi:10.1099/ijsem.0.005153. PMC 8895650 Check
|pmc=value (help). PMID 35084297 Check|pmid=value (help). Unknown parameter|article-number=ignored (help)
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