Staphylococcus simiae
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. NCBI NR_043146.1
Small for a gut microbe: longer than 34% of the 2,354 we have genomes for.
32% G+C, higher than 7% 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_900187055.1
What it can do
- Can ferment fiber Breaks down dietary fiber that our own enzymes can't. 2 of 5 strains can
- Can use lactose The sugar in milk and dairy.
All 13 capabilities and their evidence
| Capability | Verdict | Genome analysis | Lab tests | Published research |
|---|---|---|---|---|
| Can ferment fiber | Some strains | — | 2 of 5 strains · strip test | No papers |
| Can use lactose | Can | — | 5 of 5 strains | No papers |
| Can make butyrate | Not checked | — | — | No papers |
| Can make propionate | Not checked | — | — | No papers |
| Can make lactic acid | Not checked | — | — | No papers |
| Can eat inulin | Not checked | — | — | No papers |
| Can eat resistant starch | Not checked | — | — | No papers |
| Can eat pectin | Not checked | — | — | No papers |
| Can feed on gut mucus | Not checked | — | — | No papers |
| Can change bile acids | Not checked | — | — | No papers |
| Can make B vitamins | Not checked | — | — | No papers |
| Can make hydrogen sulfide | Not checked | — | — | No papers |
| Can make methane | Not checked | — | — | 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