Streptococcus agalactiae|336970 |BNCC

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Streptococcus agalactiae

Subculture procedure	① Prepare 2 of the above plates; ② After disinfecting the surface of the ampoule tube, open it in a 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 2 plates at a rate of 200 μ L per Agar plate 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 0.5-1mm, circular, with neat edges, opaque, 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

1.Description

1. Name: Streptococcus agalactiae

2. BNCC No.:336970

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, TSA + 5% defibrinated sheep blood: tryptone (casein trypsin digest) 15.0g, soybean peptone (soybean powder papain digest) 5.0g, sodium chloride 5.0g, agar 15.0g,5% defibrinated sheep blood, pH7.3±0.2. 121 ℃,15min.

2. Atmosphere:facultative anaerobic

3. Temperature: 37 ℃

4.Notes:

1.Normal culturing time, 1-2days for bacterial, 3 days for yeast, 5-7days for mould, 7-10days for fungal.

2.Agar slant shall be inoculated asap, and long-term storage is not recommended.

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.Users should ensure the safe storage and operation of the strain.Waste generated from the handling process should be discarded after high-pressure sterilization.

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