Assertion: streptococcus | /r/HasProperty | gas
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Streptolysin O is an oxygen-sensitive cytotoxin, secreted by most group A Streptococcus (GAS), and interacts with cholesterol in the membrane of eukaryotic cells (mainly red and white blood cells, macrophages, and platelets), and usually results in beta-hemolysis under the surface of blood agar.
text: Group A strep, sometimes called GAS, tends to affect the throat and the skin.
text: It is the predominant species harboring the Lancefield group A antigen, and is often called group A Streptococcus (GAS).
text: Group A streptococcus (GAS), or S pyogenes, is one of the most common pathogens in humans.
text: A streptococcus (GAS).