Moorella (bacterium)

Short description: Genus of bacteria

Not to be confused with Moorella (fungus) or Moorella (wasp).

Moorella

Scientific classification
Domain:  |

Bacteria

Phylum:  |

Bacillota

Class:  |

Clostridia

Order:  |

Moorellales

Family:  |

Moorellaceae

Genus:  |

Moorella

Collins et al. 1994 non Rao & Rao 1964[1]

Type species
Moorella thermoacetica

(Fontaine et al. 1942) Collins et al. 1994

Species

* M. caeni
* M. glycerini
* M. humiferrea
* M. mulderi
* M. perchloratireducens
* M. stamsii
* M. sulfitireducens
* M. thermoacetica
* M. thermoautotrophica

Moorella is a genus of bacteria belonging to the phylum Bacillota.[2]

These bacteria are thermophilic, anaerobic and endospore-forming and many species of this genus have been isolated from hot springs. Some of these species were formerly included within the genus Clostridium, but after a taxonomic rearrangement of the class Clostridia, a phylogenetically distinct genus was identified, which was named Moorella in honor of the American microbiologist W.E.C. Moore.[2]

## Phylogeny

The current phylogeny of these bacteria has been inferred from a computational analysis of 16S ribosomal RNA genes of described species belonging to the Moorella Group (a larger group of bacteria within the family Thermoanaerobacteraceae that also includes other species actually not belonging to genus Moorella). The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[1] and National Center for Biotechnology Information (NCBI)[3]

16S rRNA based LTP_08_2023[4][5][6] | 120 marker proteins based GTDB 08-RS214.[7][8][9]

|

| Moorella |  |  |  |  |

M. caeni Santaella, Sousa & Stams 2023

|

M. thermoacetica (Fontaine et al. 1942) Collins et al. 1994

|  |  |

M. humiferrea Nepomnyashchaya et al. 2012

|

|  |  |

M. sulfitireducens Slobodkina et al. 2023

|

|  |  |

M. stamsii Alves et al. 2013

|

|  |  |

M. glycerini Slobodkin et al. 1997

|

M. mulderi Balk et al. 2005

| Moorella |  |  |

M. thermoacetica

|

|  |  |

M. humiferrea

|

|  |  |

M. glycerini

|

|  |  |

M. mulderi

|

M. stamsii

## See also

* List of bacterial orders
* List of bacteria genera

## References

1. ↑ 1.0 1.1 A.C. Parte. "Moorella". List of Prokaryotic names with Standing in Nomenclature (LPSN). https://lpsn.dsmz.de/genus/Moorella.
2. ↑ 2.0 2.1 Collins, M. D.; Lawson, P. A.; Willems, A.; Cordoba, J. J.; Fernandez-Garayzabal, J.; Garcia, P.; Cai, J.; Hippe, H. et al. (1994). "The Phylogeny of the Genus Clostridium: Proposal of Five New Genera and Eleven New Species Combinations". International Journal of Systematic Bacteriology 44 (4): 812–826. doi:10.1099/00207713-44-4-812. ISSN 0020-7713. PMID 7981107.
3. ↑ Sayers. "Moorella". National Center for Biotechnology Information (NCBI) taxonomy database. https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Tree&id=44260&lvl=3&lin=f&keep=1&srchmode=1&unlock.
4. ↑ "The LTP". https://imedea.uib-csic.es/mmg/ltp/#LTP.
5. ↑ "LTP_all tree in newick format". https://imedea.uib-csic.es/mmg/ltp/wp-content/uploads/ltp/LTP_all_08_2023.ntree.
6. ↑ "LTP_08_2023 Release Notes". https://imedea.uib-csic.es/mmg/ltp/wp-content/uploads/ltp/LTP_08_2023_release_notes.pdf.
7. ↑ "GTDB release 08-RS214". https://gtdb.ecogenomic.org/about#4|.
8. ↑ "bac120_r214.sp_label". https://data.gtdb.ecogenomic.org/releases/release214/214.0/auxillary_files/bac120_r214.sp_labels.tree.
9. ↑ "Taxon History". https://gtdb.ecogenomic.org/taxon_history/.

* v
* t
* e

Prokaryotes: Bacteria classification (phyla and orders)

Domain
Archaea
Bacteria
Eukaryota
(Supergroup
Plant
Hacrobia
Heterokont
Alveolata
Rhizaria
Excavata
Amoebozoa
Opisthokonta

Animal
Fungi)

G-/
OM|

| Terra-/
Glidobacteria
(BV1)|

| Eobacteria|

* Deinococcus–Thermus
* Deinococcales
* Thermales
* Chloroflexi
* Anaerolineales
* Caldilineales
* Chloroflexales
* Herpetosiphonales
* Dehalococcoidales
* Ktedonobacterales
* Thermogemmatisporales
* Thermomicrobiales
* Sphaerobacterales

|

other glidobacteria|

* Thermodesulfobacteria
* thermophiles
* Aquificae
* Thermotogae
* Cyanobacteria

Proteobacteria
(BV2)|

| Alpha|

* Caulobacterales
* Kiloniellales
* Kordiimonadales
* Magnetococcales
* Parvularculales
* Rhizobiales
* Rhodobacterales
* Rhodospirillales
* Rickettsiales
* Sneathiellales
* Sphingomonadales

|

Beta|

* Burkholderiales
* Hydrogenophilales
* Methylophilales
* Neisseriales
* Nitrosomonadales
* Procabacteriales
* Rhodocyclales

Gamma|

* Acidithiobacillales
* Aeromonadales
* Alteromonadales
* Cardiobacteriales
* Chromatiales
* Enterobacterales
* Legionellales
* Methylococcales
* Oceanospirillales
* Orbales
* Pasteurellales
* Pseudomonadales
* Salinisphaerales
* Thiotrichales
* Vibrionales
* Xanthomonadales

Delta|

* Bdellovibrionales
* Desulfarculales
* Desulfobacterales
* Desulfovibrionales
* Desulfurellales
* Desulfuromonadales
* Myxococcales
* Syntrophobacterales
* Syntrophorhabdales

Epsilon|

* Campylobacterales
* Nautiliales

Zeta|

* Mariprofundales

BV4|

| Spirochaetes|

* Spirochaetes

|

Sphingobacteria
(FCB group)|

* Fibrobacteres
* Chlorobi
* Chlorobiales
* Ignavibacteriales
* Bacteroidetes
* Bacteroidales
* Cytophagales
* Flavobacteriales
* Sphingobacteriales

Planctobacteria/
(PVC group)|

* Chlamydiae
* Lentisphaerae
* Lentisphaerales
* Oligosphaerales
* Victivallales
* Planctomycetes
* Phycisphaerales
* Planctomycetales
* Verrucomicrobia
* Puniceicoccales
* Opitutales
* Chthoniobacterales
* Verrucomicrobiales
* "Poribacteria"

Other GN|

* Acidobacteria
* Acidobacteriales
* Acanthopleuribacterales
* Holophagales
* Solibacterales
* Armatimonadetes
* Armatimonadales
* Chthonomonadales
* Fimbriimonadales
* Caldiserica
* Chrysiogenetes
* Deferribacteres
* Dictyoglomi
* Elusimicrobia
* Fusobacteria
* Gemmatimonadetes
* Nitrospirae
* Synergistetes

G+/
no OM|

| Firmicutes
(BV3)|

| Bacilli|

* Bacillales
* Lactobacillales
* Aphragmobacteria
* Erysipelotrichia
* Erysipelotrichiales
* Mollicutes
* Mycoplasmatales
* Entomoplasmatales
* Anaeroplasmatales
* Acholeplasmatales
* Haloplasmatales

|

Clostridia|

* Clostridiales
* Halanaerobiales
* Thermoanaerobacteriales
* Natranaerobiales
* Negativicutes
* Selenomonadales

Thermolithobacteria|

* Thermolithobacterales

Actinobacteria
(BV5)|

| Actinobacteria|

* Actinomycetales
* Bifidobacteriales

|

Acidimicrobiia|

* Acidimicrobiales

Coriobacteriia|

* Coriobacteriales

Nitriliruptoria|

* Euzebyales
* Nitriliruptorales

Rubrobacteria|

* Gaiellales
* Rubrobacterales
* Thermoleophilales
* Solirubrobacterales

Incertae
sedis|

* †Archaeosphaeroides
* †Eobacterium
* †Leptotrichites

Source: Bergey's Manual (2001–2012). Alternative views: Wikispecies.

Wikidata ☰ Q19647141 entry

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