Neisseria lactamica

**Semantic type:** Bacterium

**Definition:** A species of aerobic, Gram-negative, diplococci shaped bacteria assigned to the phylum Proteobacteria. This species is catalase and oxidase positive, nonmotile, colistin-resistant, grows on chocolate agar in high humidity, and is characterized by its ability to produce acid from glucose, maltose, and lactose, as well as by its ability to produce beta-galactosidase. N. lactamica is commensal in the human nasopharynx, commonly isolated from children, and is rarely pathogenic.

**Synonyms:** - NEISSERIA LACTAMICA