Streptococcus gallolyticus

**Semantic type:** Bacterium

**Definition:** A species of facultatively anaerobic, Gram positive, cocci shaped bacteria in the phylum Firmicutes. This species is positive for gallate degradation, esculin hydrolysis and Lancefield group D and negative for catalase, hemolysis, growth in 6.5% NaCl and pyrrolidonylarylamidase. It can ferment cellobiose, fructose, galactose, glucose, lactose, maltose, mannose, melibiose and trehalose but not ribose or sorbitol. S. gallolyticus is commensal in the human alimentary tract and is a pathogen that can cause septicemia and endocarditis.

**Synonyms:** - STREPTOCOCCUS GALLOLYTICUS