Thermoanaerobacterales

Thermoanaerobacterales
Scientific classification
Domain:	Bacteria
Kingdom:	Bacillati
Phylum:	Bacillota
Class:	Clostridia
Order:	; Wiegel 2010
Groups included
	Caldanaerobiaceae; "Calorimonadaceae"; Thermoanaerobacteraceae; Zhaonellaceae;
Cladistically included but traditionally excluded taxa
	Acetivibrionales; Bacilli; Caldicoprobacterales; Christensenellales; Clostridiales; Culicoidibacteria; Erysipelotrichia; Eubacteriales; Lachnospirales; Limnochordia; Lutisporales; Mahellales; Monoglobales; Negativicutes; "Oscillospirales"; Peptostreptococcales; "Saccharofermentanales"; Syntrophomonadia; Thermaerobacteria; Thermolithobacteria; Tissierellales; "Ca. Borkfalkiales"; "Ca. Avidehalobacter"; Caecibacterium; Caldinitratiruptor; Capillibacterium; "Ca. Carbonibacillus"; "Ca. Desulfobacillus"; "Ca. Ferrisolea"; "Ca. Heliomonas"; Negativibacillus;
Synonyms
	"Caldanaerobiales";

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]

Taxonomy

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

LPSN^[3] & NCBI^[1]	16S rRNA based LTP_10_2024^[4] & 120 marker proteins based GTDB 09-RS220^[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 Kaksonen et al. 2007 "Ammonificales" "Ammonificaceae" Ammonifex Huber & Stetter 1996 Desulfothermobacter Frolov et al. 2018 Thermodesulfitimonas Slobodkina et al. 2017 "Carboxydothermales" "Carboxydothermaceae" Carboxydothermus Svetlichny et al. 1991 "Mahellales" "Mahellaceae" Mahella Bonilla Salinas et al. 2004 Moorellales Lv et al. 2020 Calderihabitantaceae Lv et al. 2020 Calderihabitans Yoneda et al. 2013 Desulfitibacteraceae Lv et al. 2020 Desulfitibacter Nielsen, Kjeldsen & Ingvorsen 2006 Moorellaceae Lv et al. 2020 Moorella Collins et al. 1994 non Rao & Rao 1964 Thermanaeromonas Mori et al. 2002 "Thermacetogeniaceae" Syntrophaceticus Westerholm, Roos & Schnurer 2011 Thermacetogenium Hattori et al. 2000 "Caldicellulosiruptorales" Bing et al. 2023 "Caldicellulosiruptoraceae" Bing et al. 2023 Caldicellulosiruptor Sissons et al. 1987 Thermoanaerobacterales Wiegel 2010 "Caldanaerobiaceae" Caldanaerobius Lee et al. 2008 Caloribacterium Slobodkina et al. 2012 "Calorimonadaceae" Calorimonas Khomyakova et al. 2020 Thermoanaerobacteraceae Wiegel 2010 Caldanaerobacter Fardeau et al. 2004 Thermoanaerobacter Wiegel & Ljungdahl 1982 Thermoanaerobacterium Lee et al. 1993 Zhaonellaceae Lv et al. 2020 Zhaonella Lv et al. 2020 "Thermodesulfobiales" Cavalier-Smith 2020 Thermodesulfobiaceae Morie et al. 2004 Thermodesulfobium Morie et al. 2004 Thermosediminibacterales Zhang et al. 2019 Tepidanaerobacteraceae Zhang et al. 2019 Biomaibacter Zhang et al. 2019 Tepidanaerobacter Sekiguchi et al. 2006 Thermosediminibacteraceae Zhang et al. 2019 Fervidicola Ogg & Patel 2009 Caldanaerovirga Wagner et al. 2009 Thermosediminibacter Lee et al. 2006 Thermovenabulum Zavarzina et al. 2002 Thermovorax Makinen, Kaksonen & Puhakka 2012

Phylogeny

16S rRNA based LTP_10_2024^[4]^[6]^[7]

120 marker proteins based GTDB 09-RS220^[5]^[8]^[9]

Koleobacterales

Caldicellulosiruptorales *

Caldicellulosiruptoraceae	Caldicellulosiruptor

"Caldanaerobiales" *

Caldanaerobiaceae	Caldanaerobius

"Calorimonadaceae"

Aceticella

	Caloribacterium

	Calorimonas

Thermoanaerobacterium * [incl. Thermohydrogenium]

Carboxydothermales *

Carboxydothermaceae	Carboxydothermus

Thermacetogeniales *

Thermacetogeniaceae

	Syntrophaceticus

	Thermacetogenium

Ammonificales *

Desulfovirgulaceae

Desulfovirgula

Ammonificaceae

Thermodesulfitimonas

	Desulfothermobacter

	Ammonifex

"Brockiales"

Dictyoglomales

Thermosediminibacterales *

Tepidanaerobacteraceae

	Biomaibacter

	Tepidanaerobacter

Thermosediminibacteraceae

Thermovenabulum

Thermosediminibacter

Fervidicola

	Caldanaerovirga

	Thermovorax

Thermoanaerobacterales *

Thermoanaerobacteraceae

Thermanaeromonas

	Caldanaerobacter

	Thermoanaerobacter

Desulfitibacterales *

Desulfitibacteraceae	Desulfitibacter

Desulfitisporales

Desulfitisporaceae	Desulfitispora

Calderihabitantales *

Calderihabitantaceae	Calderihabitans

Moorellales *

Moorellaceae	Moorella

Zhaonellaceae *	Zhaonella

Syntrophomonadales

	Peptococcia

	"Dehalobacteriia"

Desulfitobacteriia

"Moorellia" *

DULZ01

Zhaonellaceae	Zhaonella

Desulfitibacterales

Desulfitibacteraceae	Desulfitibacter

Calderihabitantales

Calderihabitantaceae	Calderihabitans

Moorellales

Moorellaceae

	Thermanaeromonas

	Moorella

DSM‑12270 *

Thermacetogeniales

Thermacetogeniaceae

	Thermacetogenium

	Syntrophaceticus

Syntrophomonadia

Syntrophomonadales

	"Carboxydocellia"

	Thermincolia

"Carboxydothermia" *

Carboxydothermales

Carboxydothermaceae	Carboxydothermus

Desulfotomaculia

Ammonificales *

"Desulforudaceae"

Ammonificaceae

	Thermodesulfitimonas

	Ammonifex

Desulfotomaculales [incl. Desulfovirgula]

"Thermosediminibacteria"

Koleobacterales

Thermosediminibacterales *

Tepidanaerobacteraceae

	Biomaibacter

	Tepidanaerobacter

Thermosediminibacteraceae

Thermovenabulum

Thermosediminibacter

Fervidicola

	Caldanaerovirga

	Thermovorax

"Thermoanaerobacteria" *

Caldicellulosiruptorales

Caldicellulosiruptoraceae	Caldicellulosiruptor

Thermoanaerobacterales

"Calorimonadaceae"	Calorimonas

Caldanaerobiaceae	Caldanaerobius

Thermoanaerobacteraceae

	Aceticella

	Thermoanaerobacterium

	Caldanaerobacter

	Thermoanaerobacter

"Clostridiia" s.s.

Note:

polyphyletic Thermoanaerobacterales

References

^ ^a ^b 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.
^ ^a ^b "The LTP". Retrieved 10 December 2024.
^ ^a ^b "GTDB release 09-RS220". Genome Taxonomy Database. Retrieved 10 May 2024.
^ "LTP_all tree in newick format". Retrieved 10 December 2024.
^ "LTP_10_2024 Release Notes" (PDF). Retrieved 10 December 2024.
^ "bac120_r220.sp_labels". Genome Taxonomy Database. Retrieved 10 May 2024.
^ "Taxon History". Genome Taxonomy Database. Retrieved 10 May 2024.

[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 10 December 2024.

[about-5] "GTDB release 09-RS220". Genome Taxonomy Database. Retrieved 10 May 2024.

[6] "LTP_all tree in newick format". Retrieved 10 December 2024.

[7] "LTP_10_2024 Release Notes" (PDF). Retrieved 10 December 2024.

[tree-8] "bac120_r220.sp_labels". Genome Taxonomy Database. Retrieved 10 May 2024.

[taxon_history-9] "Taxon History". Genome Taxonomy Database. Retrieved 10 May 2024.

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Thermoanaerobacterales
Scientific classification
Domain:	Bacteria
Kingdom:	Bacillati
Phylum:	Bacillota
Class:	Clostridia
Order:	Wiegel 2010
Groups included
Caldanaerobiaceae "Calorimonadaceae" Thermoanaerobacteraceae Zhaonellaceae
Cladistically included but traditionally excluded taxa
Acetivibrionales Bacilli Caldicoprobacterales Christensenellales Clostridiales Culicoidibacteria Erysipelotrichia Eubacteriales Lachnospirales Limnochordia Lutisporales Mahellales Monoglobales Negativicutes "Oscillospirales" Peptostreptococcales "Saccharofermentanales" Syntrophomonadia Thermaerobacteria Thermolithobacteria Tissierellales "Ca. Borkfalkiales" "Ca. Avidehalobacter" Caecibacterium Caldinitratiruptor Capillibacterium "Ca. Carbonibacillus" "Ca. Desulfobacillus" "Ca. Ferrisolea" "Ca. Heliomonas" Negativibacillus
Synonyms
"Caldanaerobiales"

Taxonomy

Phylogeny

See also

References