Capnocytophaga sputigena
-
General information
the following information is not yet verified
Taxonomy
Family: Flavobacteriaceae,
genus: C.ochracea, C.gingivalis, C.sputigena, C.haemolytica and C.granulosa
Natural Habitat
They are normal inhabitants of the human mouth
Clinical Significance
The first three are also associated with juvenile and adult periodontitis, whereas the latter two been isolated from supragingival plaque of healthy adults as well as from subgingival plaque in adult periodontitis.
All five species may cause septicemia and other infections in immunosuppressed (mainly neutrpenic) patients.
-
Gram stain
the following information is not yet verified
Gram negative rods.
They are mainly fusiform, medium to long cells with tapered ends.
Sometimes filamentous forms.
In older cultures, they can be pleomorphic, with swollen or large coccoid cells.
Size: 0.4-0.6 x 2.5-7.5 µm
Wet mount slide
Cultures that are in the log phase one sees a "sliding / floating" movement.
-
Culture characteristics
-
the following information is not yet verified
Facultative anaerobic
5% CO2 improves the growth
BA: colonies are convex or flat and often slihtly yellow when scraped of agar, show regular or spreading edges and adhere to the agar surface.
They are not hemolytic
McConkey: no growth
BBAØ: growth
-
the following information is not yet verified
-
Characteristics
-
References
James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition
Karen C. Carrol et al (2019) Manual of Clinical Microbiology, 12th Edition
Microbiology on the go. An initiative by
Dept. Medical Microbiology and Infectious diseases