Plasmids 101: Positive and Negative Selection for Plasmid Cloning
Type
Blog Post
Published
Aug. 22, 2019, 12:43 p.m.
..., the sacB gene is used for negative selection on 5% sucrose plates. Exchange of the sacB gene for the... 101 blog posts
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Learn more about counter-selection
Resources...levansucrase that converts sucrose into a toxic metabolite in gram-negative bacteria. Plating on sucrose...