Aerococcus suis
| Aerococcus suis | |
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Scientific classification 
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| Missing taxonomy template (fix): | Aerococcus |
| Species: | Template:Taxonomy/AerococcusA. suis
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| Binomial name | |
| Template:Taxonomy/AerococcusAerococcus suis Vela et al., 2007
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Aerococcus suis is a species of Gram-positive coccoid bacterium in the family Aerococcaceae. It was first isolated from a pig in Spain with meningitis and formally described in 2007.[1] A. suis is an alpha-hemolytic, catalase-negative bacterium and a potentially opportunistic pathogen of swine.
Taxonomy
Aerococcus suis was described by Vela et al. in 2007 based on isolates from pigs with clinical infections in Spain.[1] The species name is derived from the Latin word suis, meaning "of a pig." The type strain is 1821/02T (= CECT 7139T = CCUG 52530T = DSM 21500T). It is phylogenetically related to Aerococcus viridans and Aerococcus urinaeequi, but differs from them based on 16S rRNA gene sequence (<96% similarity), phenotypic traits, and biochemical profiles.
An emended description of the species was published in 2014 to clarify phenotypic characteristics and differentiate it from other species within the genus.[2]
Morphology
Aerococcus suis cells are Gram-positive, spherical cocci that typically form tetrads or clusters. Colonies on blood agar are small (<1 mm), non-pigmented, and display alpha-hemolysis after 24 hours at 37 °C. The species is non-motile, non-spore-forming, and catalase- and oxidase-negative. It is facultatively anaerobic and tolerates 6.5% NaCl and pH 9.6.
References
- ↑ 1.0 1.1 Vela, AI; García, N; Latre, MV; Casamayor, A; Sánchez-Porro, C; Briones, V; Ventosa, A; Domínguez, L; Fernández-Garayzábal, JF (2007). "Aerococcus suis sp. nov., isolated from clinical specimens from swine". International Journal of Systematic and Evolutionary Microbiology. 57 (6): 1291–1294. doi:10.1099/ijs.0.64537-0. PMID 17551055.
- ↑ Tohno, M; Kitahara, M; Matsuyama, S; Kimura, K; Ohkuma, M; Tajima, K (2014). "Aerococcus vaginalis sp. nov., isolated from the vaginal mucosa of a beef cow, and emended descriptions of Aerococcus suis, Aerococcus viridans, and other Aerococcus species". International Journal of Systematic and Evolutionary Microbiology. 64 (4): 1229–1236. doi:10.1099/ijs.0.058081-0. PMID 24425755.
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