Streptococcus is genus that gives a negative result in the Gram stain test.
Streptococcus is a genus of coccus -LRB- spherical -RRB- Gram-positive bacteria belonging to the phylum Firmicutes and the order Lactobacillales -LRB- lactic acid bacteria -RRB- .	Firmicutes	Firmicutes	Lactobacillales	Lactobacillales	genus	genus	coccus	coccus	Gram-positive bacteria	Gram-positive bacteria
Gram-positive bacteria are bacteria that give a positive result in the Gram stain test , which is traditionally used to quickly classify bacteria into two broad categories according to their cell wall .	bacteria	bacteria	Gram stain	Gram stain	cell wall	cell wall	stain	stain (biology)
