Brick-red micrococcus|271818 |BNCC

Essential Information Certificate Related Products

Microbacterium testaceum (Komagata and Iizuka) Takeuchi and Hatano

Subculture procedure	① Prepare 1 tube containing 5–10 mL liquid medium and 2 plates; ② Open in a safety cabinet, cauterize the top with an alcohol lamp, then quickly add sterile water to rupture it. Break it into pieces using forceps; ③ Pipette 0.5mL of liquid medium into the freeze-dried vial. After complete dissolution, return it to the liquid test tube and mix thoroughly; ④ Pipette 0.2mL of bacterial suspensioninto a Agar plate and spread evenly. Repeat twice to obtain two plates; ⑤ Incubate all liquid tubes and plates under the specified conditions. The culture is ready for use once the strain grows.
Growth conditions	30°C, 18-24h, aerobic
Storage conditions	2-8°C
Safety level	1
morphology	Size: 1-2mm Shape: Circular Edge: Neat Transparency: Opaque Color: Yellow Bulge Degree: Middle Bulge Surface: Bright and Smooth Texture: Wet and Thick
Sharing mode	Public welfare sharing

Microbacterium testaceum

Storage conditions : 2~8 ℃

No. 271818

Product format: freeze dried, 200ul

Validity : 6 years

Biosafety level : 1 , handle in ultra-clean table or safety cabinet

Receiving notice: if any abnormality is found on the day of receipt, please contact the customer service within 24 hours. If it is overdue, it is deemed that the bacteria are well. The freeze dried culture shall be used up once and shall not be retained. The bacterial viability will resume after 1-2 generation of recovery and can be used normally. Handling instructions of agar slant and suspension liquid is enclosed. Please operate in strict accordance with this instruction, otherwise the replacement of bacteria are not be available in case of aberrant growth and loss of viability.

Growth conditions :30 ℃, aerobic, nutrient agar medium, 18-24h. Nutritional agar medium: beef paste 3.0g, peptone 10.0g,NaCl 5.0g, agar 20.0g (not included in liquid medium), distilled water 1.0L,pH 7.0. Sterilization at 121 ℃ for 15min.

Recovery steps:
(1) Prepare a test tube containing 5-10mL of liquid culture medium and 2 plates;
(2) Open the ampoule in the biosafety cabinet, heat the tip of ampoule in a flame, quickly drop sterile water to creak it, then break it with forceps;
(3) Draw 0.5mL of liquid culture medium into a freeze dried ampoule, fully rehydrate and transfer the solution to the liquid test tube, mix evenly;
(4) Inoculate a plate with 0.2mL of suspension liquid, repeat the step to obtain two plates;
(5) Put all the liquid test tubes and plates under the above culture conditions for cultivation, and the strains can be used when they grow.
Recovery record: According to the recovery instructions, the results of the recovery are reported as follows:

Item	test results
viability:	good viability, in18-24h liquid medium become turbid, obvious strain layer occurs on the plate,colony is typical on marked plate.
colony morphology: (above)	Size: 1-2mm Shape: Round Edge: Neat Transparency: Opaque color: yellow uplift: middle convex surface: bright and smooth texture: moist and viscous
Conclusion:	good viability, no abnormal colony morphology, qualified

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