BeNa Culture Collection
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Freeze-dried: lyophilized strain, freeze dried vial, used up at one time and not be retained
Agar slant: growing culture, ready to use, Short term preservation, convenient access
| Culture medium | Nitrogen fixing medium (ABM):KH2PO4 0.2g,K2HPO4 0.8g,MgSO4 · 7H2O 0.2g,CaSO4 · 2H2O 0.1g,FeCl3 trace g,Na2MoO4 · 2H2O trace g, yeast extract 0.5g, mannitol 20.0g, agar 15.0g, distilled water 1.0L,pH 7.2. 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 | 28 ℃;24-48h aerobic; |
| Growth characteristics | Gram-negative bacteria, autogenous nitrogen fixation |
| Storage conditions | 2-8 ℃ |
| application | Nitrogen fixing bacteria, bacterial fertilizer |
| Sharing mode | Public welfare sharing |
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