Streptococcus agalactiae quantitative strains|BNCC363846 |BNCC

Essential Information Related Products

Quantitative strains of streptococcus agalactiae

Culture medium	Special peptone: 23.0, soluble starch: 1.0, sodium chloride: 5.0, agar: 10.0, defibrated sheep blood: 5% (added at 50 ℃),pH:7.3±0.2(25 ℃)
Subculture procedure	① According to the culture conditions, the bacteria are first cultured into a bacterial suspension; ② Measure the absorbance of the bacterial suspension and calculate the initial concentration of the bacterial suspension according to the standard formula; The initial concentration multiplied by the survival rate is the actual concentration after freeze-drying; ④ According to the actual concentration after freeze-drying, the bacterial suspension was diluted to obtain the target concentration, and then subpacked and freeze-dried;
Growth conditions	37 ℃;24-48h; aerobic
Storage conditions	-80 ℃
Safety level	2
morphology	The colony has a diameter of 1-2mm, round, neat edges, opaque, Milky White front, raised in the middle, smooth surface, bright surface, moist texture, easy to pick up, G (blue-purple), cocci, purity: pure
Sharing mode	Public welfare sharing