Bacillus cereus|132557 |BNCC

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Bacillus cereus

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	① Prepare 1-2 of the above plates; 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 and transfer it into a freeze-drying tube. After fully dissolving the bacterial powder, transfer it into a Agar plate at a rate of 200 μ L per piece and apply evenly; ④ Place the petri dish under the above cultivation conditions for cultivation, and once the bacterial strain grows, it can be used.
Storage conditions	2-8 ℃
Safety level	2
morphology	The colony has a diameter of 2-4 mm, is circular with an irregular margin, and appears opaque. It exhibits a pale yellow pigmentation on the obverse side, with a flat morphology, rough surface, and dry texture. The organism is Gram-positive (G⁺, appearing blue-violet) and rod-shaped (bacillus). Purity: pure.
Sharing mode	Public welfare sharing