Listeria monocytogenes|378169 |BNCC

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Listeria monocytogenes (Murray et al.) Pirie

Culture medium	BNCC359963
Description	Trypticase Soy Blood Agar
Composition	Tryptone:15.0g, Soy Peptone:5.0g, NaCl:5.0g, Sterile Defibrinated Sheep Blood:5%, Agar:15.0g, pH:7.3±0.2(25℃)
Growth conditions	37 ℃; 48-72h; aerobic;
Subculture procedure	① Prepare 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	2
morphology	The colony diameter is 1-2mm, circular, with neat edges, opaque, gray white on the front, raised in the middle, bright and smooth on the surface, moist texture, easy to pick up, G+(blue purple), Bacillus, purity: pure
Sharing mode	Public welfare sharing