Acidilobus saccharovorans
| Acidilobus saccharovorans | |
|---|---|
| Scientific classification | |
| Domain: | Archaea |
| Kingdom: | Crenarchaeota |
| Phylum: | Crenarchaeota |
| Class: | Thermoprotei |
| Order: | Acidilobales |
| Family: | Acidilobaceae |
| Genus: | Acidilobus |
| Species: | Acidilobus saccharovorans |
| Binomial name | |
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Acidilobus saccharovorans Prokofeva et al., 2009 |
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Acidilobus saccharovorans is a thermoacidophilic (that is, both thermophilic and acidophilic) species of anaerobic archaea. The species was originally described in 2009 after being isolated from hot springs in Kamchatka.
A. saccharovorans has a coccoid morphology of 1–2 μm diameter with a relatively thick S-layer and a bundle of flagella. It has an optimal growth temperature of 80–85°C (qualifying it as a hyperthermophile) and an optimal pH of 3.5–4.0. It is an obligate anaerobe with fermentative metabolism. Its growth is accelerated by the presence of elemental sulfur, which is reduced to hydrogen sulfide; however, sulfur is not essential for growth. It is resistant to the antibiotics chloramphenicol, penicillin and streptomycin.A. saccharovorans differs from A. aceticus, the only other recognized species in the genus, in two major respects: it is flagellated whereas A. aceticus is non-motile; and it is capable of growth on a wider variety of substrates, including many sugars and polysaccharides. Its name refers to this property of its metabolism.
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