This article is about a proposed taxon not accepted by the majority of the scientific community. For more accepted classification, see Bacterial phyla.
Eurybacteria
Scientific classification
Domain:
Bacteria
Groups
Fusobacteria
Togobacteria
Eurybacteria is a taxon created by Cavalier-Smith,[1] which includes several groups of Gram-negative bacteria. In this model, it is the ancestor of gram positive bacteria.[2] Their endospores are characterized by producing and presenting external flagella or mobility by bacterial displacement.
Members[edit]
Specifically, it includes:
Fusobacteria. For example, Leptotrichia and Fusobacterium
Togobacteria. For example, Thermotoga.
In the standard classification, Selenobacteria are usually included in the phylum Bacillota, whereas fusobacteria and togobacteria are classified as their own groups.
Relationships[edit]
The following graph shows Cavalier-Smith's version of the tree of life, indicating the status of eurybacteria.
Legend:
[A] Gram-negative with a peptidoglycan cell wall like Chlorosome. [B] Oxygenic Photosynthesis, Omp85 and four new catalases.
[C] Glycobacterial revolution: outer membrane with insertion of lipopolysaccharides, hopanoids, diaminopimelic acid, ToIC and TonB. [D] Phycobilin chromophores.
[E] Flagella.
[F] Four sections: an amino acid in HSP60 and FtsZ and a domain in RNA polymerases β and σ.
[G] Endospores.
[H] Gram-positive Bacteria: hypertrophy of the wall peptidoglycan, sortase enzyme and a loss of the outer membrane.
[I] Glycerol 1-P dehydrogenase.
[J] Proteasome and phosphatidylinositol.
[K] Neomura revolution: Replacement of peptidoglycan by glycoproteins and lipoproteins.
[L] Reverse DNA gyrase and ether lipid isoprenoids.
[M] Phagocytosis.
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