Mycoplasma pneumoniae

**Semantic type:** Bacterium

**Definition:** A species of anaerobic, Gram-negative, pseudo-cocci shaped bacteria assigned to the phylum Firmicutes. This species is motile, grows best in SP-4 medium supplemented with glucose and is positive for beta-hemolysis. M. pneumoniae is a common cause of community-acquired pneumonia, especially in people younger than 40.

**Synonyms:** - MYCOPLASMA PNEUMONIAE