Enterococcus faecalis|336445 |BNCC

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Enterococcus faecalis

Subculture procedure	① Prepare 1-2 tablets mentioned above; 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 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	30 ℃; 18-24h; aerobic;
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, smooth and bright on the surface, moist texture, easy to pick up, G+(blue purple), cocci, purity: pure
Sharing mode	Public welfare sharing

Description:

1. Name: Streptococcus faecalis

2. BNCC No.: 336445

3. Biosafety level:4

2. Storage conditions

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

3. Growth Conditions

1. BHIA: 4.0g of bovine brain extract, 4.0g of bovine heart extract, 5.0g of peptone, 16.0g of casein peptone, 5.0g of NaCl, 2.0g of glucose, 2.5g of disodium hydrogen phosphate, 20.0g of agar, pH7.4 ± 0.2. 121 ℃,15min.

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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