Victivallis

Victivallis
Scientific classification Edit this classification
Domain: Bacteria
Kingdom: Pseudomonadati
Phylum: Lentisphaerota
Class: Lentisphaeria
Order: Victivallales
Cho et al. 2004
Family: Victivallaceae
Derrien et al. 2012
Genus: Victivallis
Zoetendal et al. 2003[1]
Type species
Victivallis vadensis
Zoetendal et al. 2003
Species[1]

Victivallis is a genus of strictly anaerobic bacteria, the only genus in the family Victivallaceae and order Victivallales.[1] The genus contains two species with validly published names: Victivallis lenta and the type species, Victivallis vadensis.[1] Both species have been isolated from mammalian intestinal-associated samples.[2][3]

Characteristics

The type strain of V. vadensis was isolated from human feces. Its cells are non-motile, coccoid, and surrounded by an extracellular slime layer. It grows strictly anaerobically by fermenting sugars, including cellobiose. During growth on glucose, it produces acetate, ethanol, and molecular hydrogen.[2]

Victivallis lenta was isolated from the feces of a minipig. Under anaerobic culture conditions, it consumed glucose and produced primarily acetate, together with smaller amounts of lactate and formate. Genomic analysis identified starch, cellulose, and fructan as potential carbohydrate substrates.[3]

Taxonomy and etymology

Victivallis is the nomenclatural type genus of both the family Victivallaceae and the order Victivallales.[1] The generic name combines the Latin words victus, meaning food, and vallis, meaning valley. It refers to the Wageningen “Food Valley” region of the Netherlands, where the type species was studied.[2][1]

References

  1. 1 2 3 4 5 6 "Genus: Victivallis". List of Prokaryotic names with Standing in Nomenclature. Leibniz Institute DSMZ. Retrieved 16 August 2026.
  2. 1 2 3 Zoetendal, Erwin G.; Plugge, Caroline M.; Akkermans, Antoon D. L.; de Vos, Willem M. (2003). "Victivallis vadensis gen. nov., sp. nov., a sugar-fermenting anaerobe from human faeces". International Journal of Systematic and Evolutionary Microbiology. 53 (Pt 1): 211–215. doi:10.1099/ijs.0.02362-0. PMID 12656175.
  3. 1 2 Wylensek, David; Hitch, Thomas C. A.; Riedel, Thomas; et al. (2020). "A collection of bacterial isolates from the pig intestine reveals functional and taxonomic diversity". Nature Communications. 11 (1) 6389. doi:10.1038/s41467-020-19929-w. PMC 7732864. PMID 33311554.