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Euryarchaeota

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Euryarchaeota (Greek for "broad old quality") is a phylum of archaea.[2] The Euryarchaeota are highly diverse and include methanogens, which produce methane and are often found in intestines, halobacteria, which survive extreme concentrations of salt, and some extremely thermophilic aerobes and anaerobes. They are separated from the other archaeans based mainly on rRNA sequences.

Description

The Euryarchaeota are diverse in appearance and metabolic properties. The phylum contains organisms of a variety of shapes, including both rods and cocci. Euryarchaeota may appear either gram-positive or gram-negative depending on whether pseudomurein is present in the cell wall.[3] Euryarchaeota also demonstrate diverse lifestyles, including methanogens, halophiles, sulfate-reducers, and extreme thermophiles in each.[3]

Phylogeny

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[4] and National Center for Biotechnology Information (NCBI)[5] and the phylogeny is based on 16S rRNA-based LTP release 121 by 'The All-Species Living Tree' Project.[6]

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?Aciduliprofundum booneiReysenbach et al. 2006

   

?Nanohaloarchaea

   

Methanopyrus kandleri

     

Methanococcales

    Eurythermea

Thermococcaceae

   

Thermoplasmata

    Neobacteria

Methanobacteriales

     

Archaeoglobaceae

Halomebacteria

Methanomicrobia

   

Halobacteriaceae

             

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

See also

References

  1. ^ Woese CR, Kandler O, Wheelis ML (June 1990). "Towards a natural system of organisms: proposal for the domains Archaea, Bacteria, and Eucarya". Proceedings of the National Academy of Sciences of the United States of America. 87 (12): 4576–9. Bibcode:1990PNAS...87.4576W. doi:10.1073/pnas.87.12.4576. PMC 54159. PMID 2112744..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""'"'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
  2. ^ C. Michael Hogan (2010). E. Monosson; C. Cleveland, eds. "Archaea". Encyclopedia of Earth. National Council for Science and the Environment. Retrieved 18 August 2017.
  3. ^ a b Garrity GM, Holt JG (2015). "Euryarchaeota phy. nov.". In Whitman WB. Bergey's Manual of Systematics of Archaea and Bacteria. John Wiley & Sons. doi:10.1002/9781118960608. ISBN 9781118960608.
  4. ^ J.P. Euzéby. "Euryarchaeota". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2017-08-09.
  5. ^ Sayers; et al. "Euryarchaeota". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2017-08-09.
  6. ^ 'The All-Species Living Tree' Project."16S rRNA-based LTP release 121 (full tree)" (PDF). Silva Comprehensive Ribosomal RNA Database. Retrieved 2017-08-09.

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Euryarchaeota: Brief Summary

provided by wikipedia EN

Euryarchaeota (Greek for "broad old quality") is a phylum of archaea. The Euryarchaeota are highly diverse and include methanogens, which produce methane and are often found in intestines, halobacteria, which survive extreme concentrations of salt, and some extremely thermophilic aerobes and anaerobes. They are separated from the other archaeans based mainly on rRNA sequences.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
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wikipedia EN