I have disrupted yeast gene in genome now I want to verify it without delaying it for overnight culture and then genome isolation so can I directly check it (gene disruption )from transformed yeast colony plate by colony pcr?
You can do a quick check by colony PCR. If you want to publish your findings you'll need to do a more thorough test (sequencing).
Depends on the size of your deletion.
you can, but make sure you do have positive control for your PCR since colony PCR is tricky, and the false negative rate could be very high.
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