Taxonomy
Family: Actinomycetaceae,
Genus: Schaalia turicensis
Formerly: Actinomyces turicensis
Natural habitats
Is part of the indigenous microflora of human mucous membranes, may be isolated from human clinical sources without evidence of its pathogenicity.
A. turicensis (Schaalia turicensis) is normally present in the vagina, gut, and skin on the lower part of the body
Clinical significance
It has also been isolated frequently from pilonidal sinuses, perianal an decubital abscesses, ear, nose and throat infections, post-operative wounds and IUCDs.
A. turicensis (Schaalia turicensis) has been described as a potential pathogen mostly in genital infections, followed by urinary tract infections and skin related infections
Gram positive small cocco-bacilli rods
not difteroid, they are irregular
Facultative anaerobic
BA: colonies are grey, semi -translucent, smooth, low convex and have entire edges.
They grow in air and CO2 and may be mistaken for non-haemolytic streptococci, lactobacilli or other commensal organisms.
BBAØ: growth
James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition
Karen C. Carrol et al (2019) Manual of Clinical Microbiology, 12th Edition