BeNa Culture Collection
info@bncc.com
| Culture medium | BNCC361029 |
| Description | LB Medium with 50μg/mL Ampicillin |
| Composition | Yeast Extract:5.0g, Peptone:10.0g, NaCl:10.0g, pH:7.0(25℃) |
| Growth conditions | LB + Ampicillin, 37°C (cloning strain DH5α, 5616 bp) |
| Subculture procedure | 1. Dissolution: Upon receiving the plasmid powder, add 20μl sterile water to the bottom of the tube to dissolve the plasmid. Let stand at Room temperature for 1 minute. 2. Mixing (Plasmid Adsorption): Mix 200μl competent cells + 5~10μl plasmid DNA thoroughly. Place on ice for 30 minutes. 3. Heat shock transformation: Incubate at 42°C for 90 seconds; 4. Shrink membrane wells: Ice bath for 2 minutes; 5. Repair culture: Add 800 µl LB liquid medium to each tube; incubate at 37°C for 1 hour at 150 rpm; 6. Screening culture: Spread an appropriate volume (100 µl) of resuspended cells onto LB plates with the corresponding antibiotic. Incubate plates upright for 30 min (ensure agar surface is dry), then invert and incubate for 12–16 h until colonies appear. 7. Extraction: Transfer a single colony to LB liquid medium with the corresponding antibiotic, shake-incubate for 12–16 hours, and extract the plasmid as required for the experiment. |
| Storage conditions | 2-8°C |
| Sharing mode | Public welfare sharing |
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