Streptomyces noursei Brawn et al.|BNCC336784 |BNCC

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Streptomyces noursei Brawn et al.

Culture medium	Gao's Synthesis No.1 Agar (English Name: GM): 20g of soluble starch, 0.5g of sodium chloride, 0.01g of ferrous sulfate, 1.0g of potassium nitrate, 0.5g of dipotassium hydrogen phosphate, 0.5g of magnesium sulfate, 15g of agar, 1.0L of distilled water and 7.3±0.2 of pH. Sterilization at 121 ℃ for 15min.
Subculture procedure	(1) Prepare a test tube containing 5~10mL of liquid medium and 2 plates; (2) Open it in the safety 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.
Growth conditions	30 ℃;3-5 days; Aerobic
Storage conditions	2-8 ℃
morphology	Colony diameter of 1-2mm, round, irregular edge, opaque, gray-white front, flat shape, rough surface, dry texture, firm and hard texture, G + (blue-purple), bacilli
application	Nystatin that produces antifungal production.
Sharing mode	Public welfare sharing

Streptomyces noursei

Storage conditions: 2~8 ℃

No. 336784

Product format: freeze dried,200ul

Validity period: 6 years

Biosafety level: 1, handle in ultra-clear 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, Gaw's synthetic No. 1 agar, 3-5 days. Gao's synthetic No. 1 agar: soluble starch 20g, sodium chloride 0.5g, ferrous sulfate 0.01g, potassium nitrate 1.0g, dipotassium hydrogen phosphate 0.5g, magnesium sulfate 0.5g, agar 15g, distilled water 1.0L, pH 7.3± 0.2. Sterilize at 121°C for 15min.

Recovery steps:

(1) Prepare a test tube containing 5-10mL of liquid culture medium and 2 plates;

(2) Open it 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,in 4 days strain layer become obvious, colony is typical
colony morphology: (above)	Size: 1-2mm Shape: Round Edge: Irregular Transparency: Opaque color: off-white uplift: flat surface: rough gray texture: dry and hard
Conclusion	good viability, no abnormal colony morphology, qualified

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