Biology:Picrophilus torridus

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Short description: Species of archaeon

Picrophilus torridus
Scientific classification
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P. torridus
Binomial name
Picrophilus torridus
Schleper et al. 1996

Picrophilus torridus is a species of Archaea described in 1996.[1] Picrophilus torridus was found in soil near a hot spring in Hokkaido, Japan . The pH of the soil was less than 0.5.[2] P. torridus also has one of the smallest genomes found among organisms that are free-living and are non-parasitic and a high coding density, meaning that the majority of its genes are coding regions and provide instructions for building proteins. The current research suggests the two hostile conditions (high temperatures and low pH) favored by P. torridus have exerted selective pressure towards having a small and compact genome, which is less likely to be damaged by the harsh environment.[3][4]

References

  1. Schleper; Pühler; Klenk; Zillig (July 1996). "Picrophilus oshimae and Picrophilus tomdus fam. nov., gen. nov., sp. nov., Two Species of Hyperacidophilic, Thermophilic, Heterotrophic, Aerobic Archae". International Journal of Systematic Bacteriology (International Union of Microbiological Societies) 46 (3): 814–816. doi:10.1099/00207713-46-3-814. ISSN 1466-5034. OCLC 807119723. 
  2. Siddiqui, ed (2008). "Thermoacidophiles and their Protein Adaptation to Low pH and High Temperature". Protein Adaptation in Extremophiles. Nova Publishers. ISBN 9781604560190. https://books.google.com/books?id=edKLDbKKZ1MC&q=%22Picrophilus+oshimae%22&pg=PA144. Retrieved 31 October 2013. 
  3. Angelov, A.; Liebl, W. (2006-10-20). "Insights into extreme thermoacidophily based on genome analysis of Picrophilus torridus and other thermoacidophilic archaea" (in en). Journal of Biotechnology. Aspects of Prokaryotic Genome Research 126 (1): 3–10. doi:10.1016/j.jbiotec.2006.02.017. ISSN 0168-1656. PMID 16621083. http://www.sciencedirect.com/science/article/pii/S0168165606001763. 
  4. Schepers, B.; Thiemann, V.; Antranikian, G. (June 2006). "Characterization of a Novel Glucoamylase from the Thermoacidophilic ArchaeonPicrophilus torridus Heterologously Expressed inE. coli" (in en). Engineering in Life Sciences 6 (3): 311–317. doi:10.1002/elsc.200620131. ISSN 1618-0240. http://doi.wiley.com/10.1002/elsc.200620131. 

Further reading

External links

Wikidata ☰ Q14330899 entry