Romboutsia timonensis
| Romboutsia timonensis | |
|---|---|
Scientific classification 
| |
| Missing taxonomy template (fix): | Romboutsia |
| Species: | Template:Taxonomy/RomboutsiaR. timonensis
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| Binomial name | |
| Template:Taxonomy/RomboutsiaRomboutsia timonensis Ricaboni et al. 2016[1]
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| Type strain | |
| Marseille-P3213T (= CSUR P3213, DSM 103750) | |
Romboutsia timonensis is a species of Gram-positive, spore-forming, obligately anaerobic bacteria in the genus Romboutsia. The type strain was recovered from a colon lavage sample of a 63-year-old French man who presented with severe anaemia and melaena and underwent diagnostic colonoscopy at Hôpital de La Timone, Marseille.[1]
Description
Cells are straight rods (≈ 0.7 × 2 μm), catalase-negative, and form subterminal endospores. On Columbia agar with 5% sheep blood, colonies are ≤ 1 mm, circular, opaque, and cream-coloured after 48 h at 37 °C under anoxic conditions. Growth occurs from 25–45 °C (optimum 37 °C) and tolerates up to 2% bile salts. The genomic G + C content is 28.3 mol%.[1]
Etymology
The species name timonensis refers to Hôpital de la Timone in Marseille, where the strain was first isolated.[1]
Phylogeny
Based on 16S rRNA gene similarity, R. timonensis is most closely related to Romboutsia ilealis (~94%). It clusters within the class Clostridia, apart from the polyphyletic "Clostridium" sensu lato group.
Ecology
Metagenomic studies have detected Romboutsia species, including R. timonensis, at low abundance (<1%) in adult and elderly gut microbiomes.[2]
References
- ↑ 1.0 1.1 1.2 1.3 Ricaboni, Daniel; Mailhe, Maïwenn; Khelaifia, Saber; Raoult, Didier; Million, Matthieu (13 April 2016). "Romboutsia timonensis, a new species isolated from human gut". New Microbes and New Infections. 12: 6–7. doi:10.1016/j.nmni.2016.04.001. PMC 4864248. PMID 27200178.Template:Expression of Concern
- ↑ Liu, Caiyun; Du, Mingxue; Abuduaini, Reyimjan; Yu, Huayan (2021). "Enlightening the taxonomy darkness of human gut microbiomes with a cultured biobank". Microbiome. 9 (1): 119. doi:10.1186/s40168-021-01064-3. PMC 8140505 Check
|pmc=value (help). PMID 34020714 Check|pmid=value (help).
External links
- Romboutsia timonensis – List of Prokaryotic names with Standing in Nomenclature
- Type strain data – BacDive Bacterial Diversity Metadatabase
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