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'''Sulfolobaceae''' are a [[family (biology)|family]] of the [[Sulfolobales]] belonging to the [[domain (biology)|domain]] [[archaea |Archaea]]. The family consists of several genera adapted to survive environmental niches with extreme temperature and low pH conditions.<ref>See the [[National Center for Biotechnology Information|NCBI]] [https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=118883 webpage on Sulfolobaceae]. Data extracted from the {{cite web | url=ftp://ftp.ncbi.nih.gov/pub/taxonomy/ | title=NCBI taxonomy resources | publisher=[[National Center for Biotechnology Information]] | accessdate=2007-03-19}}</ref>
'''Sulfolobaceae''' are a [[family (biology)|family]] of the [[Sulfolobales]] belonging to the [[domain (biology)|domain]] [[Archaea]]. The family consists of several genera adapted to survive environmental niches with extreme temperature and low pH conditions.<ref>See the [[National Center for Biotechnology Information|NCBI]] [https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=118883 webpage on Sulfolobaceae]. Data extracted from the {{cite web | url=ftp://ftp.ncbi.nih.gov/pub/taxonomy/ | title=NCBI taxonomy resources | publisher=[[National Center for Biotechnology Information]] | accessdate=2007-03-19}}</ref>


==Ecology==
==Ecology==
''Sulfolobaceae'' species are [[thermophile |thermophiles]], commonly found in [[hot spring |hot springs]], [[hydrothermal vent |hydrothermal vents]], [[mudpot |mudpots]], and volcanically active regions, with [[sulfolobus |''Sulfolobus'']] genus found almost anywhere with volcanic activity. ''Sulfolobaceae'' are found in temperatures ranging from 40 to 95 °C. They are found in pH levels between 1 and 6 which makes specific species [[acidophile |acidophiles]].
''Sulfolobaceae'' species are [[thermophile]]s, commonly found in [[hot spring]]s, [[hydrothermal vent]]s, [[mudpot]]s, and volcanically active regions, with ''[[Sulfolobus]]'' genus found almost anywhere with volcanic activity. ''Sulfolobaceae'' are found in temperatures ranging from 40 to 95&nbsp;°C. They are found in pH levels between 1 and 6 which makes specific species [[acidophile]]s.
Certain species, like [[metallosphaera |''Metallosphaera prunae'']], have been found living on smoldering waste material from mines by utilizing a lithoautotrophic metabolism. <ref> Fuchs, T. et al. 1995. Metallosphaera prunae, sp. nov., a Novel Metal-mobilizing, Thermoacidophilic Archaeum, Isolated from a Uranium Mine in Germany. Systematic and Applied Microbiology. 18(4), 560-566. </ref>
Certain species, like [[metallosphaera|''Metallosphaera prunae'']], have been found living on smoldering waste material from mines by utilizing a lithoautotrophic metabolism.<ref>Fuchs, T. et al. 1995. Metallosphaera prunae, sp. nov., a Novel Metal-mobilizing, Thermoacidophilic Archaeum, Isolated from a Uranium Mine in Germany. Systematic and Applied Microbiology. 18(4), 560-566.</ref>


''Sulfolobaceae'' are involved in [[biofilm |biofilm]] formation. Analysis of biofilms produced by different species has shown very few regulating [[Protein |proteins]] in common between these species, thus indicating that multiple different regulatory mechanisms for biofilm formation may exist. [[Sulfolobus_acidocaldarius |''Sulfolobus acidocaldarius'']] has been observed forming tower-like biofilm structures and ''Sulfolobus solfataricus'' has been observed forming carpet-like biofilms. <ref> Koerdt, A. et al. 2011. Macromolecular Fingerprinting of SulfolobusSpecies in Biofilm: A Transcriptomic and Proteomic Approach Combined with Spectroscopic Analysis. Journal of Proteome Research, 10(9), 4105-4119. </ref>
''Sulfolobaceae'' are involved in [[biofilm]] formation. Analysis of biofilms produced by different species has shown very few regulating [[protein]]s in common between these species, thus indicating that multiple different regulatory mechanisms for biofilm formation may exist. ''[[Sulfolobus acidocaldarius]]'' has been observed forming tower-like biofilm structures and ''Sulfolobus solfataricus'' has been observed forming carpet-like biofilms.<ref>Koerdt, A. et al. 2011. Macromolecular Fingerprinting of SulfolobusSpecies in Biofilm: A Transcriptomic and Proteomic Approach Combined with Spectroscopic Analysis. Journal of Proteome Research, 10(9), 4105-4119.</ref>


==Metabolism==
==Metabolism==
''Sulfolobaceae'' species exhibit a diverse range of metabolisms including [[Cellular_respiration#Aerobic_respiration |aerobic]], facultative [[Anaerobic_respiration |anaerobic]], or obligate anaerobic with [[Chemotroph#Chemoheterotroph |chemoheterotrophic]], [[lithoautotroph |lithoautotrophic]], or [[mixotroph |mixotrophic]] lifestyles. Some species exhibit metabolic flexibility, being able to use several different metabolic pathways depending on the available energy sources, while others have a narrow range of metabolic options. <ref> Albers, S. V., and Siebers, B. 2014. The Family Sulfolobaceae. Pages 323-346 in Rosenberg, E et al, editors. The Prokaryotes. 4th Edition. Springer-Verlag, Berlin, Heidelberg. </ref>
''Sulfolobaceae'' species exhibit a diverse range of metabolisms including [[Cellular respiration#Aerobic respiration|aerobic]], facultative [[Anaerobic respiration|anaerobic]], or obligate anaerobic with [[Chemotroph#Chemoheterotroph|chemoheterotrophic]], [[lithoautotroph]]ic, or [[mixotroph]]ic lifestyles. Some species exhibit metabolic flexibility, being able to use several different metabolic pathways depending on the available energy sources, while others have a narrow range of metabolic options.<ref>Albers, S. V., and Siebers, B. 2014. The Family Sulfolobaceae. Pages 323-346 in Rosenberg, E et al, editors. The Prokaryotes. 4th Edition. Springer-Verlag, Berlin, Heidelberg.</ref>


Chemoheterotrophic ''Sulfolobaceae'' gain their energy by [[Redox |oxidizing]] reduced organic carbon compounds, including [[Glucose |D-glucose]], [[Galactose |D-galactose]], other common sugars, [[Amino_acid |amino acids]], and other complex molecules, using oxidized forms of [[Sulfur |sulfur]]. Lithoautotrophic metabolism, on the other hand, involves gaining energy from the oxidation of reduced compounds such as elemental sulfur, sulfur ores, and other reduced sulfur compounds, or molecular hydrogen.
Chemoheterotrophic ''Sulfolobaceae'' gain their energy by [[Redox|oxidizing]] reduced organic carbon compounds, including [[Glucose|D-glucose]], [[Galactose|D-galactose]], other common sugars, [[amino acid]]s, and other complex molecules, using oxidized forms of [[sulfur]]. Lithoautotrophic metabolism, on the other hand, involves gaining energy from the oxidation of reduced compounds such as elemental sulfur, sulfur ores, and other reduced sulfur compounds, or molecular hydrogen.


''Sulfolobaceae'' prefer low sodium chloride environments, with the exception of the ''Acidianus'' genus. [[Glycogen |Glycogen]] is used as long-term carbon and energy storage.
''Sulfolobaceae'' prefer low sodium chloride environments, with the exception of the ''Acidianus'' genus. [[Glycogen]] is used as long-term carbon and energy storage.


==Morphological characteristics==
==Morphological characteristics==
''Sulfolobaceae'' species have regular, irregular, or lobed [[Coccus |cocci]] cell shapes. Their size falls between 0.5 and 2 μm in diameter. Several different surface appendages have been observed, including [[Archaellum |archaella]] in motile species, typically expressed upon starvation <ref> Szabó, Z. et al. 2007. Flagellar Motility and Structure in the Hyperthermoacidophilic Archaeon Sulfolobus solfataricus. Journal of Bacteriology. 189(11), 4305-4309. </ref>.
''Sulfolobaceae'' species have regular, irregular, or lobed [[Coccus|cocci]] cell shapes. Their size falls between 0.5 and 2 μm in diameter. Several different surface appendages have been observed, including [[Archaellum|archaella]] in motile species, typically expressed upon starvation.<ref>Szabó, Z. et al. 2007. Flagellar Motility and Structure in the Hyperthermoacidophilic Archaeon Sulfolobus solfataricus. Journal of Bacteriology. 189(11), 4305-4309.</ref>


Unique to ''Sulfolobus acidocaldarious'' are the archaeal adhesive pili which are important for surface attachment in biofilm formation. <ref> Henche, A. et al. 2012. Structure and function of the adhesive type IV pilus of Sulfolobus acidocaldarius. Environmental Microbiology, 14(12), 3188-3202. </ref> Archaeal type IV pilin surface appendage expression occurs through a dedicated type IV prepilin signal peptidase before filaments can be assembled.
Unique to ''Sulfolobus acidocaldarious'' are the archaeal adhesive pili which are important for surface attachment in biofilm formation.<ref>Henche, A. et al. 2012. Structure and function of the adhesive type IV pilus of Sulfolobus acidocaldarius. Environmental Microbiology, 14(12), 3188-3202.</ref> Archaeal type IV pilin surface appendage expression occurs through a dedicated type IV prepilin signal peptidase before filaments can be assembled.
A sugar-binding surface structure termed bindosome has been found in ''Sulfolobus solfataricus''. When assembled into a dedicated bindosome assembly system they are active in the transport of sugars. <ref> Zolghadr, B. et al. 2007. Identification of a system required for the functional surface localization of sugar binding proteins with class III signal peptides in Sulfolobus solfataricus. Molecular Microbiology, 64(3), 795-806. </ref>
A sugar-binding surface structure termed bindosome has been found in ''Sulfolobus solfataricus''. When assembled into a dedicated bindosome assembly system they are active in the transport of sugars.<ref>Zolghadr, B. et al. 2007. Identification of a system required for the functional surface localization of sugar binding proteins with class III signal peptides in Sulfolobus solfataricus. Molecular Microbiology, 64(3), 795-806.</ref>


Proteinaceous toxins termed sulfolobicins, have been produced by certain strains of ''Sulfolobus islandicus''. These toxins may provide a competitive advantage, as they inhibit the growth of non-toxin producing strains of ''S. islandicus'' and certain other ''Sulfolobus'' species. Other species, such as ''Sulfolobus acidocaldarius'', are not inhibited. The [[Gene |gene]] encoding for sulfolobicins have been identified in other ''Sulfolobus'' species. <ref> Prangishvili, D. et al. 2000. Sulfolobicins, Specific Proteinaceous Toxins Produced by Strains of the Extremely Thermophilic Archaeal GenusSulfolobus. Journal of Bacteriology, 182(10), 2985-2988. </ref>
Proteinaceous toxins termed sulfolobicins, have been produced by certain strains of ''Sulfolobus islandicus''. These toxins may provide a competitive advantage, as they inhibit the growth of non-toxin producing strains of ''S. islandicus'' and certain other ''Sulfolobus'' species. Other species, such as ''Sulfolobus acidocaldarius'', are not inhibited. The [[gene]] encoding for sulfolobicins have been identified in other ''Sulfolobus'' species.<ref>Prangishvili, D. et al. 2000. Sulfolobicins, Specific Proteinaceous Toxins Produced by Strains of the Extremely Thermophilic Archaeal GenusSulfolobus. Journal of Bacteriology, 182(10), 2985-2988.</ref>


==Phylogeny==
==Phylogeny==
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[[Category:Archaea taxonomic families]]
[[Category:Archaea taxonomic families]]
[[Category:Crenarchaeota]]
[[Category:Crenarchaeota]]


{{Crenarchaeota-stub}}


[[es:Sulfolobaceae]]
[[es:Sulfolobaceae]]

Revision as of 07:39, 15 January 2021

Sulfolobaceae
Sulfolobus
Scientific classification
Domain:
Archaea
Kingdom:
Crenarchaeota
Phylum:
Crenarchaeota
Class:
Thermoprotei
Order:
Sulfolobales
Family:
Sulfolobaceae

Stetter, 1989
Genera

Sulfolobaceae are a family of the Sulfolobales belonging to the domain Archaea. The family consists of several genera adapted to survive environmental niches with extreme temperature and low pH conditions.[1]

Ecology

Sulfolobaceae species are thermophiles, commonly found in hot springs, hydrothermal vents, mudpots, and volcanically active regions, with Sulfolobus genus found almost anywhere with volcanic activity. Sulfolobaceae are found in temperatures ranging from 40 to 95 °C. They are found in pH levels between 1 and 6 which makes specific species acidophiles. Certain species, like Metallosphaera prunae, have been found living on smoldering waste material from mines by utilizing a lithoautotrophic metabolism.[2]

Sulfolobaceae are involved in biofilm formation. Analysis of biofilms produced by different species has shown very few regulating proteins in common between these species, thus indicating that multiple different regulatory mechanisms for biofilm formation may exist. Sulfolobus acidocaldarius has been observed forming tower-like biofilm structures and Sulfolobus solfataricus has been observed forming carpet-like biofilms.[3]

Metabolism

Sulfolobaceae species exhibit a diverse range of metabolisms including aerobic, facultative anaerobic, or obligate anaerobic with chemoheterotrophic, lithoautotrophic, or mixotrophic lifestyles. Some species exhibit metabolic flexibility, being able to use several different metabolic pathways depending on the available energy sources, while others have a narrow range of metabolic options.[4]

Chemoheterotrophic Sulfolobaceae gain their energy by oxidizing reduced organic carbon compounds, including D-glucose, D-galactose, other common sugars, amino acids, and other complex molecules, using oxidized forms of sulfur. Lithoautotrophic metabolism, on the other hand, involves gaining energy from the oxidation of reduced compounds such as elemental sulfur, sulfur ores, and other reduced sulfur compounds, or molecular hydrogen.

Sulfolobaceae prefer low sodium chloride environments, with the exception of the Acidianus genus. Glycogen is used as long-term carbon and energy storage.

Morphological characteristics

Sulfolobaceae species have regular, irregular, or lobed cocci cell shapes. Their size falls between 0.5 and 2 μm in diameter. Several different surface appendages have been observed, including archaella in motile species, typically expressed upon starvation.[5]

Unique to Sulfolobus acidocaldarious are the archaeal adhesive pili which are important for surface attachment in biofilm formation.[6] Archaeal type IV pilin surface appendage expression occurs through a dedicated type IV prepilin signal peptidase before filaments can be assembled. A sugar-binding surface structure termed bindosome has been found in Sulfolobus solfataricus. When assembled into a dedicated bindosome assembly system they are active in the transport of sugars.[7]

Proteinaceous toxins termed sulfolobicins, have been produced by certain strains of Sulfolobus islandicus. These toxins may provide a competitive advantage, as they inhibit the growth of non-toxin producing strains of S. islandicus and certain other Sulfolobus species. Other species, such as Sulfolobus acidocaldarius, are not inhibited. The gene encoding for sulfolobicins have been identified in other Sulfolobus species.[8]

Phylogeny

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) [9] and National Center for Biotechnology Information (NCBI)[10] and the phylogeny is based on 16S rRNA-based LTP release 111 by The All-Species Living Tree Project [11]

  ?Sulfurococcus

S. mirabilis ♦ Golovacheva et al. 1995 (type sp.)

S. yellowstonensis ♦ Karavaiko et al. 1995

Acidianus

?A. convivator ♠ Haering et al. 2004

?A. hospitalis ♠ Bettstetter et al. 2003

?A. manzaensis ♠ Yoshida et al. 2006

?A. pozzuoliensis ♠ Vestergaard et al. 2005

?A. tengchongensis ♠ He et al. 2004

A. sulfidivorans Plumb et al. 2007

A. ambivalens (Zillig and Böck 1987) Fuchs et al. 1996

A. infernus Segerer et al. 1986 (type sp.)

Acidianus brierleyi (Zillig et al. 1980) Segerer et al. 1986

Metallosphaera

?M. yellowstonensis ♠ Kozubal et al. 2011

M. cuprina Liu et al. 2011

M. hakonensis (Takayanagi et al. 1996) Kurosawa et al. 2003

M. prunae Fuchs et al. 1996

M. sedula Huber et al. 1989 (type sp.)

Sulfolobus

?S. beitou ♠ Hung 2007

?S. islandicus ♠ Zillig et al. 1994

?S. neozealandicus ♠ Arnold et al. 2000

?S. tengchongensis ♠ Xiang et al. 2003

?S. thuringiensis ♠ Fuchs et al. 1996

?S. vallisabyssus ♠ Hung 2007

S. shibatae Grogan et al. 1991

S. solfataricus Zillig et al. 1980

S. metallicus Huber and Stetter 1992

S. acidocaldarius Brock et al. 1972 (type sp.)

Stygiolobus azoricus Segerer et al. 1991

S. tokodaii Suzuki et al. 2002

S. yangmingensis Jan et al. 1999

Sulfurisphaera ohwakuensis Kurosawa et al. 1998

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)
♦ Type strain lost or not available

References

  1. ^ See the NCBI webpage on Sulfolobaceae. Data extracted from the "NCBI taxonomy resources". National Center for Biotechnology Information. Retrieved 2007-03-19.
  2. ^ Fuchs, T. et al. 1995. Metallosphaera prunae, sp. nov., a Novel Metal-mobilizing, Thermoacidophilic Archaeum, Isolated from a Uranium Mine in Germany. Systematic and Applied Microbiology. 18(4), 560-566.
  3. ^ Koerdt, A. et al. 2011. Macromolecular Fingerprinting of SulfolobusSpecies in Biofilm: A Transcriptomic and Proteomic Approach Combined with Spectroscopic Analysis. Journal of Proteome Research, 10(9), 4105-4119.
  4. ^ Albers, S. V., and Siebers, B. 2014. The Family Sulfolobaceae. Pages 323-346 in Rosenberg, E et al, editors. The Prokaryotes. 4th Edition. Springer-Verlag, Berlin, Heidelberg.
  5. ^ Szabó, Z. et al. 2007. Flagellar Motility and Structure in the Hyperthermoacidophilic Archaeon Sulfolobus solfataricus. Journal of Bacteriology. 189(11), 4305-4309.
  6. ^ Henche, A. et al. 2012. Structure and function of the adhesive type IV pilus of Sulfolobus acidocaldarius. Environmental Microbiology, 14(12), 3188-3202.
  7. ^ Zolghadr, B. et al. 2007. Identification of a system required for the functional surface localization of sugar binding proteins with class III signal peptides in Sulfolobus solfataricus. Molecular Microbiology, 64(3), 795-806.
  8. ^ Prangishvili, D. et al. 2000. Sulfolobicins, Specific Proteinaceous Toxins Produced by Strains of the Extremely Thermophilic Archaeal GenusSulfolobus. Journal of Bacteriology, 182(10), 2985-2988.
  9. ^ J.P. Euzéby. "Sulfolobaceae". List of Prokaryotic names with Standing in Nomenclature (LPSN) [1]. Archived from the original on 2013-01-27. Retrieved 2013-08-07. {{cite web}}: External link in |publisher= (help)
  10. ^ Sayers; et al. "Sulfolobaceae". National Center for Biotechnology Information (NCBI) taxonomy database [2]. Retrieved 2013-08-07. {{cite web}}: External link in |publisher= (help)
  11. ^ All-Species Living Tree Project."16S rRNA-based LTP release 111 (full tree)" (PDF). Silva Comprehensive Ribosomal RNA Database [3]. Retrieved 2013-08-07. {{cite web}}: External link in |publisher= (help)

Further reading

Journals

Books

  • Stetter, KO (1989). "Order III. Sulfolobales ord. nov. Family Sulfolobaceae fam. nov.". In JT Staley; MP Bryant; N Pfennig; JG Holt (eds.). Bergey's Manual of Systematic Bacteriology. Vol. 3 (1st ed.). Baltimore: The Williams & Wilkins Co. p. 169.

Databases

Template:Taxonomic references

Template:Taxonomic links

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