Antibiotics are used in a wide range of techniques in molecular biology. My aim with this post is to provide an easy reference to some of the main ones used in molecular biology, their mechanisms, range and working concentrations. I hope you will find it useful.
Ever wonder what those small colonies, like satellites, surrounding a larger E. coli colony on your LB with ampicillin plates were? Or why, when you picked that colony, it never had the plasmid you just transformed? Well, it’s because those satellite colonies are “protected” from the ampicillin by the big colony. Read on for more… Ampicillin […]
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