BeNa Culture Collection
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Freeze-dried: lyophilized strain, freeze dried vial, used up at one time and not be retained
| Culture medium | R2A agar medium (English name: R2A): tryptone 0.25g, acid hydrolyzed casein 0.5g, yeast powder 0.5g, soluble starch 0.5g, dipotassium bisulfate 0.3g, magnesium sulfate 0.1g, sodium pyruvate 0.3 agar 12 peptone 0.25 glucose 0.5g,pH 7.2±0.2. 121 ℃,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 | 37°C;24-48h; Aerobic |
| Storage conditions | 2-8 ℃ |
| Separation substrate | desert sand |
| Sharing mode | Public welfare sharing |
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Escherichia coli quality control sample
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