Get tips on using Mammalian beta-Galactosidase Assay Kit to perform Reporter gene assay β-galactosidase substrates - Aspc-1
Get tips on using Mammalian beta-Galactosidase Assay Kit to perform Reporter gene assay β-galactosidase substrates - Bxpc-3
Get tips on using Senescence Cells Histochemical Staining Kit to perform Reporter gene assay β-galactosidase substrates - Bxpc-3
Get tips on using Beta-Glo® Assay System to perform Reporter gene assay β-galactosidase substrates - PANC-1
Get tips on using Luminescent β-galactosidase Detection Kit II to perform Reporter gene assay β-galactosidase substrates - CHO
Get tips on using Senescence β-Galactosidase Staining Kit - Beyotime to perform Reporter gene assay β-galactosidase substrates - HepG2
Get tips on using Luminescent β-galactosidase Detection Kit II to perform Reporter gene assay β-galactosidase substrates - H1299
Get tips on using Luminescent β-galactosidase Detection Kit II to perform Reporter gene assay β-galactosidase substrates - U2OS
Get tips on using CDX2 to perform Immunohistochemistry Human - CDX2
Plasmid isolation is an important technique in molecular biology or any kind of genetic editing. It involves amplifying plasmids overnight by transforming them into competent bacterial cells. The desired colonies of these bacteria can then be grown in shaker cultures, at appropriate shaking speed, oxygen availability and temperature. These liquid cultures can then be ultracentrifuged to pellet the bacteria, which are then used for plasmid isolation. The bacteria are first resuspended in a buffer, then lysed, neutralized, purified in a column, eluted, precipitated with ethanol and then resuspended. During plasmid isolation, it is important to lyse cells quickly because lysing bacteria for too long may lead to irreversible denaturing of the plasmid. Usually, alkaline lysis is used for isolation because it is a mild treatment. It isolates plasmid DNA and other cell components such as proteins by breaking cells apart with an alkaline solution. Precipitation removes the proteins, and the plasmid DNA recovers with alcohol precipitation. Resuspension and lysis buffers should be mixed thoroughly in order to prevent the DNA from breaking into smaller fragments. This is because broken gDNA can reanneal and remain in the solution, without binding to the column.
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