Synergistes jonesii
What's this?
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Its ID gene: the stretch scientists read to tell microbes apart. Each bar is one letter of its DNA. Every species has its own order of letters, so the pattern works like a fingerprint. Close relatives share most of it.
16S rRNA gene, V4 region: the 253 letters between the standard primers (515F/806R), which are the same in every species. One reference sequence; strains can differ by a letter or two. 2 letters weren’t read clearly in it, so they’re grey, not guessed. NCBI NR_044616.1
Mid-sized for a gut microbe: longer than 38% of the 2,354 we have genomes for.
56% G+C, higher than 67% of gut microbes.
To scale: if its ID gene were 1 cm long, its genome would stretch 18 meters. Yours would stretch 21 kilometers. One reference genome; strains vary. NCBI GCF_000712295.1
What it can do
- Can make butyrate A short-chain fatty acid that feeds the cells lining the colon.
Not seen in its genomes: make propionate, make lactic acid, ferment fiber, eat inulin, eat resistant starch, eat pectin, use lactose, feed on gut mucus, change bile acids, make B vitamins, make hydrogen sulfide, make methane.
All 13 capabilities and their evidence
| Capability | Verdict | Genome analysis | Lab tests | Published research |
|---|---|---|---|---|
| Can make butyrate | Can | 1 of 1 genome | — | No papers |
| Can make propionate | Not seen | 0 of 1 genome | — | No papers |
| Can make lactic acid | Not seen | 0 of 1 genome | — | No papers |
| Can ferment fiber | Not seen | 0 of 1 genome | — | No papers |
| Can eat inulin | Not seen | 0 of 1 genome | — | No papers |
| Can eat resistant starch | Not seen | 0 of 1 genome | — | No papers |
| Can eat pectin | Not seen | 0 of 1 genome | — | No papers |
| Can use lactose | Not seen | 0 of 1 genome | — | No papers |
| Can feed on gut mucus | Not seen | 0 of 1 genome | — | No papers |
| Can change bile acids | Not seen | 0 of 1 genome | — | No papers |
| Can make B vitamins | Not seen | 0 of 1 genome | — | No papers |
| Can make hydrogen sulfide | Not seen | 0 of 1 genome | — | No papers |
| Can make methane | Not seen | 0 of 1 genome | — | No papers |
AGORA2 (Heinken et al. 2023) via VMH, CC BY 4.0 · BacDive (DSMZ), CC BY 4.0 · NJC19 (Lim et al., Scientific Data 2020), CC0
In healthy guts
Found in under 1% of healthy people.
- largest Segatella copri 6.2%
- 2nd largest Phocaeicola vulgatus 5.0%
- 3rd largest Faecalibacterium prausnitzii 4.7%
- 4th largest Bacteroides uniformis 3.2%
- 5th largest Agathobacter rectalis 2.5%
- 6th largest Alistipes putredinis 2.3%
- 7th largest Bifidobacterium longum 2.1%
- 8th largest Ruminococcus bromii 1.8%
- Synergistes jonesii under 0.01%
- 2,169 other microbes, each a sliver 56.7%
- 15.6%
On average, a sliver, under 0.01% of the microbes in a healthy gut.
Every group, drawn the same way. Only some samples record age or sex, so each group says how many people it comes from. Tap one to see it above.