Escherichia coli|188014 |BNCC

Essential Information Related Products

Escherichia coli

Culture medium	BNCC352239
Description	Nutrient Agar
Composition	Peptone:10.0g, Beef Extract Powder:3.0g, NaCl:5.0g, Agar:15.0g, pH:7.3±0.1(25℃)
Growth conditions	37 ℃; 18-24h; aerobic
Subculture procedure	①Prepare 1-2 fresh agar plates with typical bacterial colonies; ② Open the safety cabinet, burn the top with an alcohol lamp, quickly drip sterile water to break it, and then use tweezers to crush it; ③ Take 0.5mL of sterile water into the freeze-drying tube, dissolve it thoroughly, and mix well; ④ Transfer 0.2mL of bacterial suspension into a Agar plate, apply evenly, and repeat twice to obtain two plates; ⑤ Cultivate under the above conditions, and the strain can be used once it grows.
Storage conditions	2-8 ℃
Safety level	1
morphology	Colony diameter 1-2 mm, circular with entire margin, opaque, pale yellow on the obverse, convex in the center, smooth and glistening surface, moist texture, easily picked, non-pigmented, Gram-negative (red), rod-shaped, purity: pure.
Sharing mode	Public welfare sharing