Moraxella lacunata

**Semantic type:** Bacterium

**Definition:** A species of aerobic, Gram negative, cocci shaped bacteria assigned to the phylum Proteobacteria. This species is oxidase positive, nonmotile, sensitive to penicillin, and requires serum for growth. M. lacunata is a commensal organism of the human upper respiratory tract and most commonly associated with eye infections, but has been reported to cause rare invasive infections in humans, including endocarditis, septic arthritis, cellulitis, meningitis, bacteremia and purulent pericarditis.

**Synonyms:** - MORAXELLA LACUNATA - Moraxella liquefaciens - Moraxella liquefaciens