Mycoplasma orale

**Semantic type:** Bacterium

**Definition:** A species of anaerobic, Gram-negative, pseudo-cocci shaped bacteria assigned to the phylum Firmicutes. This species is nonmotile, urease negative, does not hydrolyze carbohydrates, gelatin, or casein, and is sensitive to penicillin, erythromycin and aminoglycosides. M. orale is commensal in the human oropharynx and is usually non-pathogenic, but can cause infections in immunosuppressed patients and is a common contaminant found in cultured cells.

**Synonyms:** - MYCOPLASMA ORALE