Listeria monocytogenes|185988 |BNCC

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Listeria monocytogenes

Culture medium	BNCC352252
Description	Brain Heart Infusion Agar
Composition	Beef Brain Infusion Powder:4.0g, Beef Heart Infusion Powder:4.0g, Peptone:5.0g, Casein Peptone:16.0g, NaCl:5.0g, Glucose:2.0g, Na₂HPO₄:2.5g, Agar:13.5g, pH:7.4±0.2(25℃)
Growth conditions	37 ℃; 18-24h; aerobic;
Subculture procedure	① Prepare 1-2 plates as specified above.② Open the vial in a biosafety cabinet, briefly flame the top with an alcohol lamp, and immediately add sterile water to break the seal. Then crush the vial using sterile forceps.③ Aspirate 0.5 mL of sterile water into the freeze-dried vial, fully dissolve the bacterial powder, then transfer approximately 200 µL of the suspension onto each of the two plates and spread evenly.④ Incubate the plates under the specified culture conditions. The strain can be used once growth appears.
Storage conditions	2-8 ℃
Safety level	2
morphology	The colony diameter is 1-2mm, circular, with neat edges, opaque, yellow on the front, light color, raised in the middle, smooth surface, bright surface, moist texture, easy to pick up, G+(blue purple), Bacillus subtilis
Sharing mode	Public welfare sharing