''Acetonema'' is a genus of

bacteria Bacteria (; : bacterium) are ubiquitous, mostly free-living organisms often consisting of one Cell (biology), biological cell. They constitute a large domain (biology), domain of Prokaryote, prokaryotic microorganisms. Typically a few micr ...

in the family

Veillonellaceae The Veillonellaceae are a family of the Clostridia, formerly known as Acidaminococcaceae. bacterium, Bacteria in this family are grouped together mainly based on genetic studies, which place them among the Bacillota. Supporting this placement, ...

. It is H₂-oxidizing CO₂-reducing acetogenic strictly

anaerobic Anaerobic means "living, active, occurring, or existing in the absence of free oxygen", as opposed to aerobic which means "living, active, or occurring only in the presence of oxygen." Anaerobic may also refer to: *Adhesive#Anaerobic, Anaerobic ad ...

endospore An endospore is a dormant, tough, and non-reproductive structure produced by some bacteria in the phylum Bacillota. The name "endospore" is suggestive of a spore or seed-like form (''endo'' means 'within'), but it is not a true spore (i.e., not ...

-forming

Gram-negative Gram-negative bacteria are bacteria that, unlike gram-positive bacteria, do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. Their defining characteristic is that their cell envelope consists ...

motile rod-shaped, isolated from gut contents of the wood-feeding

termite Termites are a group of detritivore, detritophagous Eusociality, eusocial cockroaches which consume a variety of Detritus, decaying plant material, generally in the form of wood, Plant litter, leaf litter, and Humus, soil humus. They are dist ...

''Pterotermes occidentis''. Cells are catalase positive, oxidase negative, and have 51.5 mol percent G + C in their DNA. Optimum conditions for growth on H₂ + CO₂ are at 30–33 degrees C and pH (initial) 7.8. ''Acetonema longum'' is the sole species within the genus.

References

Eubacteriales Monotypic bacteria genera Bacteria genera {{clostridia-stub

See also

References