Difference between revisions of "Team:Paris Bettencourt/Protocols/Electrocompetent Cells Preparation"
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<ul> | <ul> | ||
<li>Inoculate two 250mL LB flasks with 100µL of an overnight culture of DH5α | <li>Inoculate two 250mL LB flasks with 100µL of an overnight culture of DH5α | ||
− | <li> | + | <li>Incubate until the the DO600 reach 0.5 to 0.7 |
− | <li> | + | <li>Place the cultures on ice for 15 minutes |
− | <li> | + | <li>For the culture in cold sterile 50mL falcon tubes |
− | <li> | + | <li>Centrifuge them for 10 minutes at 6000rpm |
− | <li> | + | <li>Throw the supernatant |
− | <li> | + | <li>Resuspend the cells in 50mL cold distilled water |
− | <li> | + | <li>Centrifuge them for 10 minutes at 6000rpm |
− | <li> | + | <li>Throw the supernatant |
− | <li> | + | <li>Resuspend the cells in 25mL cold distilled water |
− | <li> | + | <li>Centrifuge them for 10 minutes at 6000rpm |
− | <li> | + | <li>Throw the supernatant |
− | <li> | + | <li>Resuspend the cells in 12.5mL cold 10% glycerol |
− | <li> | + | <li>Centrifuge them for 10 minutes at 6000rpm |
− | <li> | + | <li>Throw the supernatant |
− | <li> | + | <li>Resuspend the cells in 5mL cold 10% glycerol |
− | <li> | + | <li>Make aliquots of the desire volume in microcentrifuge tubes and freeze them at -80°C |
</ul> | </ul> | ||
</td> | </td> | ||
</tr> | </tr> | ||
</table> | </table> |
Latest revision as of 17:33, 14 August 2015