| 词条 | Hadesarchaea |
| 释义 |
| domain = Archaea | regnum = Euryarchaeota | phylum = Euryarchaeota | classis = Hadesarchaea | subdivision_ranks = Order | subdivision = | synonyms = }}Hadesarchaea, formerly called the South-African Gold Mine Miscellaneous Euryarchaeal Group, are a class of thermophile microorganisms that have been found in deep mines, hot springs and other subterranean environments.[1] NomenclatureThese archea were initially called South-African Gold Mine Miscellaneous Euryarchaeal Group (SAGMEG) after their initial site of discovery.[2] The name Hadesarchaea was proposed by Baker et al. in 2016, a reference to the Greek god of the underworld.[1] GenomeShotgun sequencing has shown the genome of Hadesarchaea to be approximately 1.5 Megabase pairs in size,[1] about .5 Mbp smaller than most archea.[3]Habitat and metabolismThese microbes were first discovered in a gold mine in South Africa at a depth of approximately 3 km (2 mi),[2] where they are able to live without oxygen or light.[3][4][5] They were later also found in the White Oak River estuary in North Carolina and in Yellowstone National Park's Lower Culex Basin.[10] These areas are approximately 70 °C (158 °F) and highly alkaline.[6] Hadesarchaea are unique among known archaea in that they can convert carbon monoxide and water to carbon dioxide and oxygen, producing hydrogen as a by-product. In other ways, they are similar to anerobic euryarchaeotic bacteria.[6] Initial research suggests that these organisms are also involved in significant geochemical processes.[1] See also
References1. ^1 2 3 {{cite journal | last =Baker | first =Brett J.|last2=Saw|first2=Jimmy H.|last3=Lind|first3=Anders E.|last4=Lazar|first4=Cassandra Sara|last5=Hinrichs|first5=Kai-Uwe|last6=Teske|first6=Andreas P.|last7=Ettema|first7=Thijs J.G. | author-link = | title =Genomic inference of the metabolism of cosmopolitan subsurface Archaea, Hadesarchaea | journal =Nature Microbiology | volume =1 | issue = 3| pages = 16002| publisher =| location = | date =February 16, 2016| language =English | url =http://www.nature.com/articles/nmicrobiol20162 | jstor = | issn = | doi =10.1038/nmicrobiol.2016.2 | id = | mr = | zbl = | jfm = | access-date = February 25, 2016}} {{Archaea-stub}}2. ^1 {{cite web|last=Ettema|first=Thijs|url=http://www.ettemalab.org/new-paper-about-the-hadesarchaea-published/|publisher=Ettema Lab|title=New paper about the Hadesarchaea published! |date=February 17, 2016|accessdate=February 25, 2016}} 3. ^1 {{cite web|last=|first=|url=https://deepcarbon.net/feature/hadesarchaea-new-archaeal-class-cosmopolitan-deep-microbes#.Vs8mwdDi9aU|title=Hadesarchaea: a New Archaeal Class of Cosmopolitan Deep Microbes|publisher=Deep Carbon Observatory|date=February 18, 2016|accessdate=February 25, 2016}} 4. ^{{cite press release|url=http://www.uu.se/en/media/press-releases/press-release/?id=3120&area=3,8&typ=pm&lang=en|title=Scientists discover new microbes that thrive deep in the earth |language=English|publisher=Uppsala University|date=February 15, 2016|accessdate=February 25, 2016}} 5. ^{{cite news | last = | first = | title =Underworld microbes shock scientists: Mystery of Hadesarchaea | newspaper =India Today| location =New Delhi | pages = | language =English | publisher = | date =February 17, 2016 | url =http://indiatoday.intoday.in/education/story/underground-microbes/1/598185.html | access-date =February 25, 2016 }} 6. ^1 2 {{cite web|last=Atherton| first=Matt|url=http://www.ibtimes.co.uk/god-underworld-microbes-hadesarchaea-discovered-living-toxic-gas-deep-below-yellowstone-hot-1543919|title=God of the underworld microbes Hadesarchaea discovered living on toxic gas deep below Yellowstone hot springs|work=IB Times|date=February 15, 2016|accessdate=February 25, 2016}} 3 : Euryarchaeota|Thermophiles|Alkaliphiles |
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