Streptococcus porcorum
| Streptococcus porcorum | |
|---|---|
| Scientific classification | |
| Domain: | Bacteria |
| Kingdom: | Bacillati |
| Phylum: | Bacillota |
| Class: | Bacilli |
| Order: | Lactobacillales |
| Family: | Streptococcaceae |
| Genus: | Streptococcus |
| Species: | S. porcorum
|
| Binomial name | |
| Streptococcus porcorum Vela et al., 2011
| |
| Type strain | |
| 682-03T (= DSM 28302, CCUG 58479, CECT 7593) | |
Streptococcus porcorum is a species of Gram-positive, catalase-negative, coccus-shaped bacteria within the genus Streptococcus. It was first described in 2011 following its isolation from domestic pigs and wild boars in Spain and Chile.[1]
Taxonomy
Streptococcus porcorum was initially characterized from clinical specimens from pigs with respiratory and joint disorders and healthy wild boars [1].. Based on 16S rRNA gene sequence analysis, the species showed closest phylogenetic relatedness to Streptococcus suis, but DNA–DNA hybridization values were significantly below species delineation thresholds, supporting its designation as a novel species within the genus Streptococcus.
Morphology and physiology
Cells of S. porcorum are spherical to ovoid cocci, typically 0.5–1.0 µm in diameter, occurring singly, in pairs, or in short chains. They are non-motile and facultative anaerobes. On blood agar plates, they produce α-hemolytic colonies approximately 1 mm in diameter after 24–48 hours of incubation at 37 °C.
Ecology
Streptococcus porcorum has been isolated from various anatomical sites in pigs, including the tonsils [2] , lungs with pneumonia, and joints in cases of arthritis [1].
Type strain
The type strain is 682-03T, and it is preserved in the following culture collections:
See also
References
- ^ a b c Vela, A.I.; Sánchez, V.; Mentaberre, G.; Lavín, S.; Domínguez, L.; Fernández-Garayzábal, J.F. (July 2011). "Streptococcus porcorum sp. nov., isolated from domestic and wild pigs". International Journal of Systematic and Evolutionary Microbiology. 61 (Pt 7): 1585–1589. doi:10.1099/ijs.0.022657-0. PMID 20675439.
- ^ de Oliveira, I.M.F.; Fredriksen, S.; Gutiérrez, M.F.; Harmsen, H.J.M.; Boekhorst, J.; van Baarlen, P.; Wells, J.M. (29 March 2025). "Culturomics of the pig tonsil microbiome identifies new species and an untapped source of novel antimicrobials". Microbiome. 13 (1): 86. doi:10.1186/s40168-025-02064-3. PMC 11954270. PMID 40158143.