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Lotukka (talk | contribs)
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Added more citations to description part, changed Genome-heading to Phylogeny and rewrote some parts. Added one more finding from soils in Germany under Habitat-heading, as well as the notion about genome streamlining.
Lotukka (talk | contribs)
62 edits
Added info for the Habitat and metabolism part from two recent scientific publications.
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{{Taxobox
{{Taxobox
| domain = [[Archaea]]
| domain = [[Archaea]]
| name =
| image =
| image_caption =
| regnum = [[Euryarchaeota]]
| regnum = [[Euryarchaeota]]
| phylum = [[Euryarchaeota]]
| phylum = Hadesarchaeota
| classis = Hadesarchaea
| classis = Hadesarchaea
| ordo = Hadesarchaeales
⚫
| subdivision_ranks = [[Order (biology)|Order]]
| familia = Hadesarchaeacaceae
| genus = Hadesararchaeum
⚫
| subdivision_ranks =
| subdivision =
| subdivision =
⚫
| synonyms =
*
| type_species = Ca. Hadesararchaeum tengchongensis
⚫
| synonyms =
Ca. Methanourarchaum thermotelluricum
}}
}}


'''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, marine sediments and other subterranean environments.<ref name=Baker>{{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}}</ref><ref>{{Cite journal|last=Parkes|first=R. John|last2=Webster|first2=Gordon|last3=Cragg|first3=Barry A.|last4=Weightman|first4=Andrew J.|last5=Newberry|first5=Carole J.|last6=Ferdelman|first6=Timothy G.|last7=Kallmeyer|first7=Jens|last8=Jørgensen|first8=Bo B.|last9=Aiello|first9=Ivano W.|last10=Fry|first10=John C.|date=July 2007|title=Deep sub-seafloor prokaryotes stimulated at interfaces over geological time|url=http://dx.doi.org/10.1038/nature03796|journal=Nature|volume=436|issue=7049|pages=390–394|doi=10.1038/nature03796|issn=0028-0836|via=}}</ref><ref>{{Cite journal|last=Biddle|first=J. F.|last2=Lipp|first2=J. S.|last3=Lever|first3=M. A.|last4=Lloyd|first4=K. G.|last5=Sorensen|first5=K. B.|last6=Anderson|first6=R.|last7=Fredricks|first7=H. F.|last8=Elvert|first8=M.|last9=Kelly|first9=T. J.|last10=Schrag|first10=D. P.|last11=Sogin|first11=M. L.|date=2006-02-27|title=Heterotrophic Archaea dominate sedimentary subsurface ecosystems off Peru|url=http://dx.doi.org/10.1073/pnas.0600035103|journal=Proceedings of the National Academy of Sciences|volume=103|issue=10|pages=3846–3851|doi=10.1073/pnas.0600035103|issn=0027-8424}}</ref><ref>{{Cite journal|last=Purkamo|first=Lotta|last2=Bomberg|first2=Malin|last3=Kietäväinen|first3=Riikka|last4=Salavirta|first4=Heikki|last5=Nyyssönen|first5=Mari|last6=Nuppunen-Puputti|first6=Maija|last7=Ahonen|first7=Lasse|last8=Kukkonen|first8=Ilmo|last9=Itävaara|first9=Merja|date=2016-05-30|title=Microbial co-occurrence patterns in deep Precambrian bedrock fracture fluids|url=https://www.biogeosciences.net/13/3091/2016/|journal=Biogeosciences|language=en|volume=13|issue=10|pages=3091–3108|doi=10.5194/bg-13-3091-2016|issn=1726-4189}}</ref><ref>{{Cite journal|last=Bomberg|first=Malin|last2=Nyyssönen|first2=Mari|last3=Pitkänen|first3=Petteri|last4=Lehtinen|first4=Anne|last5=Itävaara|first5=Merja|date=2015|title=Active Microbial Communities Inhabit Sulphate-Methane Interphase in Deep Bedrock Fracture Fluids in Olkiluoto, Finland|url=http://dx.doi.org/10.1155/2015/979530|journal=BioMed Research International|volume=2015|pages=1–17|doi=10.1155/2015/979530|issn=2314-6133}}</ref>
'''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, marine sediments and other subterranean environments.<ref name=Baker>{{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}}</ref><ref>{{Cite journal|last=Parkes|first=R. John|last2=Webster|first2=Gordon|last3=Cragg|first3=Barry A.|last4=Weightman|first4=Andrew J.|last5=Newberry|first5=Carole J.|last6=Ferdelman|first6=Timothy G.|last7=Kallmeyer|first7=Jens|last8=Jørgensen|first8=Bo B.|last9=Aiello|first9=Ivano W.|last10=Fry|first10=John C.|date=July 2007|title=Deep sub-seafloor prokaryotes stimulated at interfaces over geological time|url=http://dx.doi.org/10.1038/nature03796|journal=Nature|volume=436|issue=7049|pages=390–394|doi=10.1038/nature03796|issn=0028-0836|via=}}</ref><ref name=":0">{{Cite journal|last=Biddle|first=J. F.|last2=Lipp|first2=J. S.|last3=Lever|first3=M. A.|last4=Lloyd|first4=K. G.|last5=Sorensen|first5=K. B.|last6=Anderson|first6=R.|last7=Fredricks|first7=H. F.|last8=Elvert|first8=M.|last9=Kelly|first9=T. J.|last10=Schrag|first10=D. P.|last11=Sogin|first11=M. L.|date=2006-02-27|title=Heterotrophic Archaea dominate sedimentary subsurface ecosystems off Peru|url=http://dx.doi.org/10.1073/pnas.0600035103|journal=Proceedings of the National Academy of Sciences|volume=103|issue=10|pages=3846–3851|doi=10.1073/pnas.0600035103|issn=0027-8424}}</ref><ref>{{Cite journal|last=Purkamo|first=Lotta|last2=Bomberg|first2=Malin|last3=Kietäväinen|first3=Riikka|last4=Salavirta|first4=Heikki|last5=Nyyssönen|first5=Mari|last6=Nuppunen-Puputti|first6=Maija|last7=Ahonen|first7=Lasse|last8=Kukkonen|first8=Ilmo|last9=Itävaara|first9=Merja|date=2016-05-30|title=Microbial co-occurrence patterns in deep Precambrian bedrock fracture fluids|url=https://www.biogeosciences.net/13/3091/2016/|journal=Biogeosciences|language=en|volume=13|issue=10|pages=3091–3108|doi=10.5194/bg-13-3091-2016|issn=1726-4189}}</ref><ref>{{Cite journal|last=Bomberg|first=Malin|last2=Nyyssönen|first2=Mari|last3=Pitkänen|first3=Petteri|last4=Lehtinen|first4=Anne|last5=Itävaara|first5=Merja|date=2015|title=Active Microbial Communities Inhabit Sulphate-Methane Interphase in Deep Bedrock Fracture Fluids in Olkiluoto, Finland|url=http://dx.doi.org/10.1155/2015/979530|journal=BioMed Research International|volume=2015|pages=1–17|doi=10.1155/2015/979530|issn=2314-6133}}</ref>


==Nomenclature==
==Nomenclature==
Line 16: Line 23:


==Phylogeny==
==Phylogeny==
Previously, Hadesarchaea (or SAGMEG) were only known to exist through their distinctive phylogenetic position in the [[Tree of life (biology)|tree of life]]. In 2016, scientists using [[Metagenomics|metagenomic]] [[shotgun sequencing]] were able to assemble several near-full genomes of these archaea.<ref name="Baker" /> It was shown that the genome of Hadesarchaea is approximately 1.5 Megabase pairs in size,<ref name=Baker /> which is about 0.5 Mbp smaller than most archaea.<ref name=DCO>{{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}}</ref> These archaea have not been successfully cultivated in the laboratory, but their metabolic properties have been inferred from the genomic reconstructions.<ref name="Baker" />
Previously, Hadesarchaea (or SAGMEG) were only known to exist through their distinctive phylogenetic position in the [[Tree of life (biology)|tree of life]]. In 2016, scientists using [[Metagenomics|metagenomic]] [[shotgun sequencing]] were able to assemble several near-full genomes of these archaea.<ref name="Baker" /> It was shown that the genome of Hadesarchaea is approximately 1.5 Megabase pairs in size,<ref name=Baker /> which is about 0.5 Mbp smaller than most archaea.<ref name=DCO>{{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}}</ref> These archaea have not been successfully cultivated in the laboratory, but their metabolic properties have been inferred from the genomic reconstructions.<ref name="Baker" /> Hadesarchaea may have evolved from a methanogenic ancestor based on the genetic similarity with other methanogenic organisms.<ref>{{Cite journal|last=Evans|first=Paul N.|last2=Boyd|first2=Joel A.|last3=Leu|first3=Andy O.|last4=Woodcroft|first4=Ben J.|last5=Parks|first5=Donovan H.|last6=Hugenholtz|first6=Philip|last7=Tyson|first7=Gene W.|date=April 2019|title=An evolving view of methane metabolism in the Archaea|url=https://www.nature.com/articles/s41579-018-0136-7|journal=Nature Reviews Microbiology|language=en|volume=17|issue=4|pages=219–232|doi=10.1038/s41579-018-0136-7|issn=1740-1534|via=}}</ref>


==Habitat and metabolism==
==Habitat and metabolism==
These microbes were first discovered in a gold mine in South Africa at a depth of approximately 3&nbsp;km (2&nbsp;mi),<ref name="Ettema"/> where they are able to live without oxygen or light.<ref name=DCO /><ref name=UU>{{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}}</ref><ref name=IndiaT>{{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 }}</ref> They were later also found in the [[White Oak River]] estuary in North Carolina and in [[Yellowstone National Park]]'s Lower Culex Basin.<ref name=IBTimes /> These areas are approximately 70&nbsp;°C (158&nbsp;°F) and highly [[alkaline]].<ref name=IBTimes>{{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}}</ref> Based on [[16S rRNA|phylogenetic marker gene]] survey, Hadesarchaeota might be present in soils in ancient mining areas in East Harz region, Germany.<ref>{{Cite journal|last=Köhler|first=J. Michael|last2=Kalensee|first2=Franziska|last3=Cao|first3=Jialan|last4=Günther|first4=P. Mike|date=2019-07-09|title=Hadesarchaea and other extremophile bacteria from ancient mining areas of the East Harz region (Germany) suggest an ecological long-term memory of soil|url=https://doi.org/10.1007/s42452-019-0874-9|journal=SN Applied Sciences|language=en|volume=1|issue=8|pages=839|doi=10.1007/s42452-019-0874-9|issn=2523-3971}}</ref>
These microbes were first discovered in a gold mine in South Africa at a depth of approximately 3&nbsp;km (2&nbsp;mi),<ref name="Ettema"/> where they are able to live without oxygen or light.<ref name=DCO /><ref name=UU>{{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}}</ref><ref name=IndiaT>{{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 }}</ref> They were later also found in the [[White Oak River]] estuary in North Carolina and in [[Yellowstone National Park]]'s Lower Culex Basin.<ref name=IBTimes /> These areas are approximately 70&nbsp;°C (158&nbsp;°F) and highly [[alkaline]].<ref name=IBTimes>{{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}}</ref> Based on [[16S rRNA|phylogenetic marker gene]] survey, Hadesarchaeota might be present in soils in ancient mining areas in East Harz region, Germany.<ref>{{Cite journal|last=Köhler|first=J. Michael|last2=Kalensee|first2=Franziska|last3=Cao|first3=Jialan|last4=Günther|first4=P. Mike|date=2019-07-09|title=Hadesarchaea and other extremophile bacteria from ancient mining areas of the East Harz region (Germany) suggest an ecological long-term memory of soil|url=https://doi.org/10.1007/s42452-019-0874-9|journal=SN Applied Sciences|language=en|volume=1|issue=8|pages=839|doi=10.1007/s42452-019-0874-9|issn=2523-3971}}</ref>


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. From metagenome-assembled genome (MAG) data, Hadesarchaea possess genes associated with [[Wood-Ljungdahl pathway|Wood-Ljungdahl]] carbon fixation pathway, methanogenesis and alkane metabolism.<ref>{{Cite journal|last=Hua|first=Zheng-Shuang|last2=Wang|first2=Yu-Lin|last3=Evans|first3=Paul N.|last4=Qu|first4=Yan-Ni|last5=Goh|first5=Kian Mau|last6=Rao|first6=Yang-Zhi|last7=Qi|first7=Yan-Ling|last8=Li|first8=Yu-Xian|last9=Huang|first9=Min-Jun|last10=Jiao|first10=Jian-Yu|last11=Chen|first11=Ya-Ting|date=2019-10-08|title=Insights into the ecological roles and evolution of methyl-coenzyme M reductase-containing hot spring Archaea|url=http://dx.doi.org/10.1038/s41467-019-12574-y|journal=Nature Communications|volume=10|issue=1|doi=10.1038/s41467-019-12574-y|issn=2041-1723}}</ref> <ref>{{Cite journal|last=Wang|first=Yinzhao|last2=Wegener|first2=Gunter|last3=Hou|first3=Jialin|last4=Wang|first4=Fengping|last5=Xiao|first5=Xiang|date=2019-03-04|title=Expanding anaerobic alkane metabolism in the domain of Archaea|url=http://dx.doi.org/10.1038/s41564-019-0364-2|journal=Nature Microbiology|volume=4|issue=4|pages=595–602|doi=10.1038/s41564-019-0364-2|issn=2058-5276}}</ref> Hadesarchaeal genomes have also been reported to contain genes that enable them to metabolize sugars and amino acids in a heterotrophic lifestyle, and perform dissimilatory nitrite reduction to ammonium.<ref name="Baker" /><ref name=":0" /> . Initial research suggests that these organisms are also involved in significant [[geochemistry|geochemical]] processes.<ref name=Baker />
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 [[Anaerobic respiration|anaerobic]] [[Euryarchaeota|euryarchaeotal]] bacteria.<ref name="IBTimes"/> Initial research suggests that these organisms are also involved in significant [[geochemistry|geochemical]] processes.<ref name=Baker />


Because of their relatively small genome, it is assumed that the genomes of Hadesarchaea have been subjected to genome streamlining, possibly as a result of nutrient limitation.<ref name="Baker" />
Because of their relatively small genome, it is assumed that the genomes of Hadesarchaea have been subjected to genome streamlining, possibly as a result of nutrient limitation.<ref name="Baker" />

Revision as of 09:52, 9 October 2019

Hadesarchaea
Scientific classification
Domain:
Archaea
Kingdom:
Euryarchaeota
Phylum:
Hadesarchaeota
Class:
Hadesarchaea
Order:
Hadesarchaeales
Family:
Hadesarchaeacaceae
Genus:
Hadesararchaeum
Type species
Ca. Hadesararchaeum tengchongensis Ca. Methanourarchaum thermotelluricum

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, marine sediments and other subterranean environments.[1][2][3][4][5]

Nomenclature

These archaea were initially called South-African Gold Mine Miscellaneous Euryarchaeal Group (SAGMEG) after their initial site of discovery.[6][7] The name Hadesarchaea was proposed by Baker et al. in 2016, a reference to the Greek god of the underworld.[1]

Phylogeny

Previously, Hadesarchaea (or SAGMEG) were only known to exist through their distinctive phylogenetic position in the tree of life. In 2016, scientists using metagenomic shotgun sequencing were able to assemble several near-full genomes of these archaea.[1] It was shown that the genome of Hadesarchaea is approximately 1.5 Megabase pairs in size,[1] which is about 0.5 Mbp smaller than most archaea.[8] These archaea have not been successfully cultivated in the laboratory, but their metabolic properties have been inferred from the genomic reconstructions.[1] Hadesarchaea may have evolved from a methanogenic ancestor based on the genetic similarity with other methanogenic organisms.[9]

Habitat and metabolism

These microbes were first discovered in a gold mine in South Africa at a depth of approximately 3 km (2 mi),[6] where they are able to live without oxygen or light.[8][10][11] They were later also found in the White Oak River estuary in North Carolina and in Yellowstone National Park's Lower Culex Basin.[12] These areas are approximately 70 °C (158 °F) and highly alkaline.[12] Based on phylogenetic marker gene survey, Hadesarchaeota might be present in soils in ancient mining areas in East Harz region, Germany.[13]

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. From metagenome-assembled genome (MAG) data, Hadesarchaea possess genes associated with Wood-Ljungdahl carbon fixation pathway, methanogenesis and alkane metabolism.[14] [15] Hadesarchaeal genomes have also been reported to contain genes that enable them to metabolize sugars and amino acids in a heterotrophic lifestyle, and perform dissimilatory nitrite reduction to ammonium.[1][3] . Initial research suggests that these organisms are also involved in significant geochemical processes.[1]

Because of their relatively small genome, it is assumed that the genomes of Hadesarchaea have been subjected to genome streamlining, possibly as a result of nutrient limitation.[1]

See also

References

  1. ^ a b c d e f g h Baker, Brett J.; Saw, Jimmy H.; Lind, Anders E.; Lazar, Cassandra Sara; Hinrichs, Kai-Uwe; Teske, Andreas P.; Ettema, Thijs J.G. (February 16, 2016). "Genomic inference of the metabolism of cosmopolitan subsurface Archaea, Hadesarchaea". Nature Microbiology. 1 (3): 16002. doi:10.1038/nmicrobiol.2016.2. Retrieved February 25, 2016.
  2. ^ Parkes, R. John; Webster, Gordon; Cragg, Barry A.; Weightman, Andrew J.; Newberry, Carole J.; Ferdelman, Timothy G.; Kallmeyer, Jens; Jørgensen, Bo B.; Aiello, Ivano W.; Fry, John C. (July 2007). "Deep sub-seafloor prokaryotes stimulated at interfaces over geological time". Nature. 436 (7049): 390–394. doi:10.1038/nature03796. ISSN 0028-0836.
  3. ^ a b Biddle, J. F.; Lipp, J. S.; Lever, M. A.; Lloyd, K. G.; Sorensen, K. B.; Anderson, R.; Fredricks, H. F.; Elvert, M.; Kelly, T. J.; Schrag, D. P.; Sogin, M. L. (2006-02-27). "Heterotrophic Archaea dominate sedimentary subsurface ecosystems off Peru". Proceedings of the National Academy of Sciences. 103 (10): 3846–3851. doi:10.1073/pnas.0600035103. ISSN 0027-8424.
  4. ^ Purkamo, Lotta; Bomberg, Malin; Kietäväinen, Riikka; Salavirta, Heikki; Nyyssönen, Mari; Nuppunen-Puputti, Maija; Ahonen, Lasse; Kukkonen, Ilmo; Itävaara, Merja (2016-05-30). "Microbial co-occurrence patterns in deep Precambrian bedrock fracture fluids". Biogeosciences. 13 (10): 3091–3108. doi:10.5194/bg-13-3091-2016. ISSN 1726-4189.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  5. ^ Bomberg, Malin; Nyyssönen, Mari; Pitkänen, Petteri; Lehtinen, Anne; Itävaara, Merja (2015). "Active Microbial Communities Inhabit Sulphate-Methane Interphase in Deep Bedrock Fracture Fluids in Olkiluoto, Finland". BioMed Research International. 2015: 1–17. doi:10.1155/2015/979530. ISSN 2314-6133.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  6. ^ a b Ettema, Thijs (February 17, 2016). "New paper about the Hadesarchaea published!". Ettema Lab. Retrieved February 25, 2016.
  7. ^ Takai, K.; Moser, D. P.; DeFlaun, M.; Onstott, T. C.; Fredrickson, J. K. (2001-12-01). "Archaeal Diversity in Waters from Deep South African Gold Mines". Applied and Environmental Microbiology. 67 (12): 5750–5760. doi:10.1128/aem.67.21.5750-5760.2001. ISSN 0099-2240.
  8. ^ a b "Hadesarchaea: a New Archaeal Class of Cosmopolitan Deep Microbes". Deep Carbon Observatory. February 18, 2016. Retrieved February 25, 2016.
  9. ^ Evans, Paul N.; Boyd, Joel A.; Leu, Andy O.; Woodcroft, Ben J.; Parks, Donovan H.; Hugenholtz, Philip; Tyson, Gene W. (April 2019). "An evolving view of methane metabolism in the Archaea". Nature Reviews Microbiology. 17 (4): 219–232. doi:10.1038/s41579-018-0136-7. ISSN 1740-1534.
  10. ^ "Scientists discover new microbes that thrive deep in the earth" (Press release). Uppsala University. February 15, 2016. Retrieved February 25, 2016.
  11. ^ "Underworld microbes shock scientists: Mystery of Hadesarchaea". India Today. New Delhi. February 17, 2016. Retrieved February 25, 2016.
  12. ^ a b Atherton, Matt (February 15, 2016). "God of the underworld microbes Hadesarchaea discovered living on toxic gas deep below Yellowstone hot springs". IB Times. Retrieved February 25, 2016.
  13. ^ Köhler, J. Michael; Kalensee, Franziska; Cao, Jialan; Günther, P. Mike (2019-07-09). "Hadesarchaea and other extremophile bacteria from ancient mining areas of the East Harz region (Germany) suggest an ecological long-term memory of soil". SN Applied Sciences. 1 (8): 839. doi:10.1007/s42452-019-0874-9. ISSN 2523-3971.
  14. ^ Hua, Zheng-Shuang; Wang, Yu-Lin; Evans, Paul N.; Qu, Yan-Ni; Goh, Kian Mau; Rao, Yang-Zhi; Qi, Yan-Ling; Li, Yu-Xian; Huang, Min-Jun; Jiao, Jian-Yu; Chen, Ya-Ting (2019-10-08). "Insights into the ecological roles and evolution of methyl-coenzyme M reductase-containing hot spring Archaea". Nature Communications. 10 (1). doi:10.1038/s41467-019-12574-y. ISSN 2041-1723.
  15. ^ Wang, Yinzhao; Wegener, Gunter; Hou, Jialin; Wang, Fengping; Xiao, Xiang (2019-03-04). "Expanding anaerobic alkane metabolism in the domain of Archaea". Nature Microbiology. 4 (4): 595–602. doi:10.1038/s41564-019-0364-2. ISSN 2058-5276.


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