Listeria monocytogenes|186631 |BNCC

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Listeria seeligeri

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 two plates, each Agar plate containing about 200 μ L, 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.
Growth conditions	37 ℃; 18-24h; aerobic;
Storage conditions	2-8 ℃
Safety level	1
morphology	The colony diameter is 1-2mm, circular, with irregular edges, opaque, gray white, protruding in the middle, smooth surface, bright surface, moist texture, easy to pick up, G+(blue purple), Bacillus, purity: pure
Sharing mode	Public welfare sharing

Listeria seeligeri

Description

1, BNCC No.: 186631

2. Biosafety level: 4

Storage conditions:

Storage of freezed dried ampoule and agar slant at 2°C to 8°C.

Growth Conditions:

1, Brain heart extract agar (BHI): heart extract 5.0g, brain extract 12.5g, monthly peptone 10.0g, glucose 2.0g,NaCl 5.0g, na ₂HPO₄ 2.5g, agar 15.0g, distilled water 1.0L,pH7.4.

2. Atmosphere: aerobic

3. Temperature: 37 ℃

Notes:

1.Normal culturing time, 24-48hours for bacterial, 72 hours for yeast, 5-7days for mould, 7-10days for fungal.

2.Agar slant shall be inoculated asap, and do not keep the storage for more than 3 months.

3.Please recover the strains in strict accordance with this instruction, otherwise the replacement of the strain are not be available in case of viability loss caused by different media or growth conditions.

4.Waste generated from the handling process should be discarded after high-pressure sterilization.

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