Thermoplasmatales

In taxonomy, the Thermoplasmatales are an order of the Thermoplasmata.[1] All are acidophiles, growing optimally at pH below 2. Picrophilus is currently the most acidophilic of all known organisms, being capable of growing at a pH of -0.06.[2] Many of these organisms do not contain a cell wall, although this is not true in the case of Picrophilus. Most members of the Thermotoplasmata are thermophilic.

Thermoplasmatales
Scientific classification
Domain:
Archaea
Kingdom:
Euryarchaeota
Phylum:
Euryarchaeota
Class:
Thermoplasmata Reysenbach 2002
Order:
Thermoplasmatales Reysenbach 2002
Families

Phylogeny

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[3] and National Center for Biotechnology Information (NCBI)[4] and the phylogeny is based on 16S rRNA-based LTP release 106 by 'The All-Species Living Tree' Project.[5]

 
 

Thermogymnomonas acidicola Itoh et al. 2007

 
 
  Thermoplasma
 

T. acidophilum Darland et al. 1970 (type sp.)

 
 

T. volcanium Segerer et al. 1988

 
 
 
  Picrophilus
 

P. oshimae Schleper et al. 1996 (type sp.)

 
 

P. torridus Zillig et al. 1996

 
 
  Ferroplasmaceae
  Acidiplasma
 

A. aeolicum Golyshina et al. 2009 (type sp.)

 
 

A. cupricumulans (Hawkes et al. 2008) Golyshina et al. 2009

 
 
  Ferroplasma
 

?F. acidarmanus ♠ Dopson et al. 2004

 
 

?F. thermophilum ♠ Zhou et al. 2008

 
 

F. acidiphilum Golyshina et al. 2000 (type sp.)

 
 
 
 
 
 

Notes:
♠ Strains found at the National Center for Biotechnology Information (NCBI) but not listed in the List of Prokaryotic names with Standing in Nomenclature LPSN

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References
  1. See the NCBI webpage on Thermoplasmatales. Data extracted from the "NCBI taxonomy resources". National Center for Biotechnology Information. Retrieved 2007-03-19.
  2. Life in the Universe: Expectations and Constraints
  3. J.P. Euzéby. "Thermoplasmataceae". List of Prokaryotic names with Standing in Nomenclature (LPSN). Archived from the original on 2011-06-13. Retrieved 2011-11-17.
  4. Sayers; et al. "Thermoplasmataceae". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2011-06-05.
  5. All-Species Living Tree Project."16S rRNA-based LTP release 106 (full tree)" (PDF). Silva Comprehensive Ribosomal RNA Database. Retrieved 2011-11-17.
  • Madigan, M.T. & Martinko, J.M. (2005). Brock Biology of Microorganisms (11th ed.). Pearson Prentice Hall.

Further reading

Scientific journals

Scientific books

Scientific databases


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