AML cells in general don't transfect very well & typically die shortly after. My guess is that you cultured ghost-cells for 21 days.
The transformants are selected for on agar containing an appropriate antibiotic. For example if your recombinant plasmid contains a kanamycin cassette, then only the cells containing the plasmid will grow on an agar plate containing kanamycin. PCR can then be performed on the colonies to ensure they contain your gene of interest on the plasmid.
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When the original function of the gene in the plasmid is altered or another gene is inserted in the non- coding region of the plasmid is called the recombinant plasmid.
what is the function of the plasmid
R-plasmid
TOL plasmid
F-plasmid (fertility plasmid) of any conjugative bateria or Ti-plasmid (tumor-inducing) of Agrobacterium tumaefaciens.
A plasmid which encodes genes for its own transfer.
A plasmid which encodes genes for its own transfer.
Plasmid is extrachromosomal DNA capable of self replication.
R plasmid.
Isolation of a plasmid from a bacterium