| 词条 | Euryarchaeota |
| 释义 |
| image = Halobacteria.jpg | image_caption = Halobacterium sp. strain NRC-1, each cell about 5 µm in length. | domain = Archaea | subregnum = "Euryarchaeota" | phylum = "Euryarchaeota" | subregnum_authority = Woese, Kandler & Wheelis, 1990[1] | phylum_authority = Garrity and Holt 2002 | subdivision_ranks = Classes | subdivision =
| synonyms =
}} 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. DescriptionThe 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] PhylogenyThe 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] {{Clade|1={{clade |1=?Aciduliprofundum boonei ♠ Reysenbach et al. 2006 |5=?Nanohaloarchaea ♠ |6=Methanopyrus kandleri |7={{clade |1=Methanococcales |2={{clade |label1=Eurythermea |1={{clade |1=Thermococcaceae |2=Thermoplasmata |label2=Neobacteria |2={{clade |1=Methanobacteriales |2={{clade |1=Archaeoglobaceae |label2=Halomebacteria |2={{clade |1=Methanomicrobia |2=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
References1. ^{{cite journal | vauthors = Woese CR, Kandler O, Wheelis ML | title = Towards a natural system of organisms: proposal for the domains Archaea, Bacteria, and Eucarya | journal = Proceedings of the National Academy of Sciences of the United States of America | volume = 87 | issue = 12 | pages = 4576–9 | date = June 1990 | pmid = 2112744 | pmc = 54159 | doi = 10.1073/pnas.87.12.4576 | url = http://www.pnas.org/cgi/pmidlookup?view=long&pmid=2112744 | bibcode = 1990PNAS...87.4576W }} 2. ^{{cite web|author=C. Michael Hogan |date=2010 |url=http://editors.eol.org/eoearth/wiki/Archaea |title=Archaea |editor1=E. Monosson |editor2=C. Cleveland |website=Encyclopedia of Earth |publisher=National Council for Science and the Environment |accessdate=18 August 2017}} 3. ^1 {{cite book|title=Bergey's Manual of Systematics of Archaea and Bacteria |chapter=Euryarchaeota phy. nov. |vauthors=Garrity GM, Holt JG |date=2015 |isbn=9781118960608 |doi=10.1002/9781118960608 |editor=Whitman WB |publisher=John Wiley & Sons}} 4. ^{{cite web |author = J.P. Euzéby | url=http://www.bacterio.net/-classifphyla%20copy.html#Euryarchaeota |title=Euryarchaeota | accessdate=2017-08-09 |publisher=List of Prokaryotic names with Standing in Nomenclature (LPSN)}} 5. ^{{cite web |author = Sayers|display-authors = etal| url=https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Tree&id=28890&lvl=3&lin |title=Euryarchaeota |accessdate=2017-08-09 |publisher=National Center for Biotechnology Information (NCBI) taxonomy database}} 6. ^'The All-Species Living Tree' Project.{{cite web | url=http://www.arb-silva.de/fileadmin/silva_databases/living_tree/LTP_release_121/LTPs121_SSU_tree.pdf | title=16S rRNA-based LTP release 121 (full tree) | publisher=Silva Comprehensive Ribosomal RNA Database| accessdate=2017-08-09}} Further readingScientific journals
Scientific books
Scientific databases{{Taxonomic references|taxon=Euryarchaeota}}External links{{commons category}}
2 : Archaea phyla|Euryarchaeota |
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