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When doing minipreps, do "good" plasmids produce more DNA than "bad" plasmids?
I've been doing minipreps for close to 10 years using the standard qiagen kits and DH5a e. coli. I typically do 24 minipreps at a time and then identify the good plasmids by enzyme digestion, PCR, ...
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Migration of cut vs. non-cut plasmid on gel
As you might know there are 3 common forms of a plasmid:
ccc-form (CCC), being supercoiled.
oc-form (OC), being nicked and therefore relaxed.
linearized form (L), being cut on both strands and linear....
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