Thermoanaerobacterales

Thermoanaerobacterales
Scientific classification
Domain:	Bacteria
Phylum:	Bacillota
Class:	Clostridia; Rainey 2010
Order:	Thermoanaerobacterales; Wiegel 2010
Families and genera
	Thermoanaerobacteraceae; Zhaonellaceae;

The Thermoanaerobacterales is a polyphyletic order of bacteria placed within the polyphyletic class Clostridia, and encompassing four families: the Thermoanaerobacteraceae, the Thermodesulfobiaceae, the Thermoanaerobacterales Family III. Incertae Sedis, and the Thermoanaerobacterales Family IV. Incertae Sedis, and various unplaced genera.[1]

This order is noted for the species' abilities to survive in extreme environments without oxygen and of relatively elevated temperatures for a living being (up to 80-90 °C). An example organism in this order is Thermoanaerobacter ethanolicus.[2]

Phylogeny

The Thermoanaerobacterales, as previously mentioned, is polyphyletic, and consists numerous morphologically similar clades:

LPSN[3] & NCBI[1]	16S rRNA based LTP_01_2022[4] & 120 marker proteins based GTDB 07-RS207[5]
Thermoanaerobacteraceae Ammonifex Caldanaerobacter Caldanaerobius Caldanaerovirga Calderihabitans Caloribacterium Calorimonas Carboxydothermus Desulfothermobacter Desulfovirgula Fervidicola Gelria Moorella Tepidanaerobacter Thermacetogenium Thermanaeromonas Thermoanaerobacter Thermodesulfitimonas Thermosediminibacter Thermovenabulum Thermovorax Zhaonella Thermodesulfobiaceae Thermodesulfobium Thermoanaerobacterales Family III Anaerocellum Caldicellulosiruptor Syntrophaceticus Thermoanaerobacterium Thermoanaerobacterales Family IV Mahella	"Desulfovirgulaceae" Desulfovirgula "Ammonificales" "Ammonificaceae" Ammonifex Desulfothermobacter Thermodesulfitimonas "Carboxydothermales" "Carboxydothermaceae" Carboxydothermus "Mahellales" "Mahellaceae" Mahella Moorellales Lv et al. 2020 Calderihabitantaceae Lv et al. 2020 Calderihabitans Desulfitibacteraceae Lv et al. 2020 Desulfitibacter Moorellaceae Lv et al. 2020 Moorella Thermanaeromonas "Thermacetogeniaceae" Syntrophaceticus Thermacetogenium Thermoanaerobacterales "Caldicellulosiruptoraceae" Caldicellulosiruptor "Caldanaerobiaceae" Caldanaerobius Caloribacterium Calorimonas Thermoanaerobacteraceae Wiegel 2010 Caldanaerobacter Thermoanaerobacter Thermoanaerobacterium Zhaonellaceae Lv et al. 2020 Zhaonella "Thermodesulfobiales" Cavalier-Smith 2020 Thermodesulfobiaceae Morie et al. 2004 Thermodesulfobium Thermosediminibacterales Zhang et al. 2019 Tepidanaerobacteraceae Zhang et al. 2019 Biomaibacter Tepidanaerobacter Thermosediminibacteraceae Zhang et al. 2019 Fervidicola Caldanaerovirga Thermosediminibacter Thermovenabulum Thermovorax

Phylogeny

16S rRNA based LTP_01_2022[4][6][7]

"Caldanaerobiaceae" *

Caldanaerobius

	Caloribacterium

	Calorimonas

Thermoanaerobacterium *

"Sulfobacillales"

"Sulfobacillaceae"	Sulfobacillus

"Thermaerobacterales"

"Thermaerobacteraceae"	Thermaerobacter *

"Carboxydothermales"

"Carboxydothermaceae"	Carboxydothermus *

"Thermacetogeniales" *

"Thermacetogeniales"

	Syntrophaceticus

	Thermacetogenium

Moorellales *

Moorellaceae	Moorella

"Calderihabitantales" *

Calderihabitantaceae	Calderihabitans

Koleobacterales

Koleobacteraceae	Koleobacter

Zhaonellaceae

Zhaonella *

"Desulfitibacterales" *

Desulfitibacteraceae	Desulfitibacter

	Desulfitispora

"Syntrophomonadales"

Syntrophomonadaceae

"Dictyoglomerales"

"Dictyoglomeraceae"	Dictyoglomus

"Caldicellulosiruptorales" *

"Caldicellulosiruptoraceae"	Caldicellulosiruptor

DSM‑22653

	Brockia

	Hydrogenibacillus

"Ammonificales" *

"Ammonificales"

Thermodesulfitimonas

	Desulfothermobacter

	Ammonifex

Thermosediminibacterales *

Thermoanaerobacterales *

"Desulfovirgulaceae"

	Desulfovirgula

	Thermanaeromonas

Thermoanaerobacteraceae

	Caldanaerobacter

	Thermoanaerobacter

120 marker proteins based GTDB 07-RS207[5][8][9]

"Desulfotomaculia"

"Desulfotomaculales"

"Ammonificales"

"Desulforudaceae"

"Ammonificaceae" *

	Ammonifex

	Thermodesulfitimonas

"Moorellia" *

"Desulfitibacterales"

"Desulfitibacteraceae"	Desulfitibacter

"Calderihabitantales"

"Calderihabitantaceae"	Calderihabitans

"Thermacetogeniales"

"Thermacetogeniaceae"

	Thermacetogenium

	Syntrophaceticus

Moorellales

Moorellaceae

	Thermanaeromonas

	Moorella

"Thermosediminibacteria"

Koleobacterales

Koleobacteraceae	Koleobacter

Thermosediminibacterales *

"Thermoanaerobacteria" *

"Caldicellulosiruptorales"

"Caldicellulosiruptoraceae"	Caldicellulosiruptor

Thermoanaerobacterales

UBA4887	Calorimonas

"Caldanaerobiaceae"	Caldanaerobius

Thermoanaerobacteraceae

Thermoanaerobacterium

	Caldanaerobacter

	Thermoanaerobacter

"Clostridiia" s.s.

Note:

polyphyletic Thermoanaerobacterales

References

Sayers; et al. "Thermoanaerobacterales". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2 March 2019.
C.Michael Hogan. 2010. Extremophile. eds. E.Monosson & C.Cleveland, Encyclopedia of Earth. National Council for Science and the Environment, Washington DC.
J.P. Euzéby. "Thermoanaerobacterales". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2 March 2019.
"The LTP". Retrieved 20 June 2022.
"GTDB release 07-RS207". Genome Taxonomy Database. Retrieved 20 June 2022.
"LTP_all tree in newick format". Retrieved 20 June 2022.
"LTP_01_2022 Release Notes" (PDF). Retrieved 20 June 2022.
"bac120_r207.sp_labels". Genome Taxonomy Database. Retrieved 20 June 2022.
"Taxon History". Genome Taxonomy Database. Retrieved 20 June 2022.

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[ncbi-1] Sayers; et al. "Thermoanaerobacterales". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2 March 2019.

[2] C.Michael Hogan. 2010. Extremophile. eds. E.Monosson & C.Cleveland, Encyclopedia of Earth. National Council for Science and the Environment, Washington DC.

[3] J.P. Euzéby. "Thermoanaerobacterales". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2 March 2019.

[LTP-4] "The LTP". Retrieved 20 June 2022.

[about-5] "GTDB release 07-RS207". Genome Taxonomy Database. Retrieved 20 June 2022.

[6] "LTP_all tree in newick format". Retrieved 20 June 2022.

[7] "LTP_01_2022 Release Notes" (PDF). Retrieved 20 June 2022.

[tree-8] "bac120_r207.sp_labels". Genome Taxonomy Database. Retrieved 20 June 2022.

[taxon_history-9] "Taxon History". Genome Taxonomy Database. Retrieved 20 June 2022.