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Picrophilus
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| Picrophilus | |
|---|---|
Scientific classification 
| |
| Domain: | Archaea |
| Kingdom: | Methanobacteriati |
| Phylum: | Thermoplasmatota |
| Class: | Thermoplasmata |
| Order: | Thermoplasmatales |
| Family: | Picrophilaceae |
| Genus: | Picrophilus Schleper et al. 1996[1] |
| Type species | |
| Picrophilus oshimae [citation needed] Schleper et al. 1996
| |
| Species[1] | |
| |
Picrophilus is a genus of archaeans in the family Picrophilaceae.[2]
Picrophilus is an extremely acidophilic genus within Euryarchaeota. These microbes are the most acidophilic organisms currently known,[3] with the ability to grow at a pH of less than 0.5.[4] They were first isolated from samples taken from acidic hot springs and dry hot soil in Hokkaido (Japan). They are obligate acidophiles and are unable to maintain their membrane integrity at pH values above 4. While phylogenetically related to other organisms within Thermoplasmata, unlike Thermoplasma and Ferroplasma, Picrophilus contains an S-layer cell wall.
References
[edit]- ^ a b "Picrophilus Schleper et al., 1996". Interim Register of Marine and Nonmarine Genera. Archived from the original on 27 January 2025. Retrieved 27 January 2025.
- ^ See the NCBI webpage on Picrophilus. Data extracted from the "NCBI taxonomy resources". National Center for Biotechnology Information. Retrieved 2007-03-19.
- ^ C.Michael Hogan. 2010. Extremophile. eds. E.Monosson and C.Cleveland. Encyclopedia of Earth. National Council for Science and the Environment, Washington DC.
- ^ Life in the Universe: Expectations and Constraints
Further reading
[edit]- Schleper C; Puhler G; Klenk HP; Zillig W (1996). "Picrophilus oshimae and Picrophilus torridus fam. nov., gen. nov., sp. nov., two species of hyperacidophilic, thermophilic, heterotrophic, aerobic archaea". Int. J. Syst. Bacteriol. 46 (3): 814–816. doi:10.1099/00207713-46-3-814.
- Schleper C; Puehler G; Holz I; Gambacorta A; et al. (1995). "Picrophilus gen. nov., fam. nov.: a novel aerobic, heterotrophic, thermoacidophilic genus and family comprising archaea capable of growth around pH 0". J. Bacteriol. 177 (24): 7050–7059. doi:10.1128/jb.177.24.7050-7059.1995. PMC 177581. PMID 8522509.
- Thuermer, Andrea; Voigt, Birgit; Angelov, Angel; Albrecht, Dirk; et al. (December 2011). "Proteomic analysis of the extremely thermoacidophilic archaeon Picrophilus torridus at pH and temperature values close to its growth limit". Proteomics. 11 (23): 4559–4568. doi:10.1002/pmic.201000829. PMID 22114103. S2CID 25035919.
External links
[edit]- Picrophilus at Lifemap NCBI Version
- Picrophilaceae at OneZoom
- Picrophilus at LifeGate
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