Pseudoselenomonas
| Pseudoselenomonas | |
|---|---|
Scientific classification 
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| Missing taxonomy template (fix): | Pseudoselenomonas |
| Type species | |
| Pseudoselenomonas ruminantium (Certes 1889) Heng and Kittelmann 2026
| |
| Species | |
| Synonyms[1] | |
| |
Pseudoselenomonas is a genus of obligately anaerobic, Gram-negative, non-spore-forming bacteria in the family Selenomonadaceae. Members of the genus have been isolated from the rumen contents of cattle and goats.[2][3][4]
Members are motile and ferment carbohydrates to organic acids, including acetate and propionate.[3][4][5] The genus contains four species with validly published names.[1]
Taxonomy
The genus was established in 2026 during a phylogenetic and comparative genomic re-evaluation of the family Selenomonadaceae.[2] Three species formerly classified in Selenomonas, Selenomonas caprae, Selenomonas ruminantium, and Selenomonas ruminis were transferred to Pseudoselenomonas.[2][1] Selenomonas ruminantium subsp. lactilytica was elevated to species rank as Pseudoselenomonas lactilytica.[2][1]
The name combines the Greek word pseudes, meaning "false", with the bacterial genus name Selenomonas, and therefore means "false Selenomonas".[1] The type species is Pseudoselenomonas ruminantium.[1]
Phylogeny
The following tree is derived from the genome-based phylogeny of Genome Taxonomy Database (GTDB) release R11-RS232.[6][7] In this release, these species are classified in the placeholder genus Selenomonas_A. The tree has been pruned to the four species with validly published and correct names in LPSN, and their names have been updated to the current nomenclature.[1]
| Genome-based phylogeny using 120 marker proteins (GTDB R11-RS232) | |||||||||||||||||||||
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References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 "Genus: Pseudoselenomonas". List of Prokaryotic names with Standing in Nomenclature. Leibniz Institute DSMZ. Retrieved 27 July 2026.
- ↑ 2.0 2.1 2.2 2.3 Heng, Yu Chyuan; Kittelmann, Sandra (2026). "Taxonomic reclassification and expansion of the family Selenomonadaceae". International Journal of Systematic and Evolutionary Microbiology. 76 (5). doi:10.1099/ijsem.0.007178. PMC 13218424 Check
|pmc=value (help). PMID 42207170 Check|pmid=value (help). Unknown parameter|pmc-embargo-date=ignored (help); Unknown parameter|article-number=ignored (help) - ↑ 3.0 3.1 Bryant, Marvin P. (1956). "The characteristics of strains of Selenomonas isolated from bovine rumen contents". Journal of Bacteriology. 72 (2): 162–167. doi:10.1128/jb.72.2.162-167.1956. PMC 357873. PMID 13366893.
- ↑ 4.0 4.1 Poothong, Saranporn; Tanasupawat, Somboon; Chanpongsang, Somchai; Phongsopitanun, Wongsakorn; Nuengjamnong, Chackrit (2023). "Selenomonas caprae sp. nov., an obligately anaerobic and volatile fatty acid producing bacterium from ruminal fluid of domestic goat (Capra hircus L.)". International Journal of Systematic and Evolutionary Microbiology. 73 (6). doi:10.1099/ijsem.0.005936. PMID 37339073 Check
|pmid=value (help). Unknown parameter|article-number=ignored (help) - ↑ Poothong, Saranporn; Tanasupawat, Somboon; Chanpongsang, Somchai; Kingkaew, Engkarat; Nuengjamnong, Chackrit (2024). "Anaerobic flora, Selenomonas ruminis sp. nov., and the bacteriocinogenic Ligilactobacillus salivarius strain MP3 from crossbred-lactating goats". Scientific Reports. 14 (1). Bibcode:2024NatSR..14.4838P. doi:10.1038/s41598-024-54686-6. PMC 10901824 Check
|pmc=value (help). PMID 38418870 Check|pmid=value (help). Unknown parameter|article-number=ignored (help) - ↑ "Genome Taxonomy Database". Genome Taxonomy Database. Retrieved 27 July 2026.
- ↑ "bac120_r232.sp_labels.tree" (Newick). Genome Taxonomy Database. Retrieved 27 July 2026.
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