Related Experiment Videos

Methods and reagents. Reducing background colonies with positive selection vectors

P N Hengen1

  • 1National Cancer Institute, Frederick Cancer Research and Development Center, MD 21702-1201, USA. pnh@ncifcrf.gov

Summary

This month's Methods and Reagents column explores the benefits and drawbacks of using the pZErO positive selection vector to remove unwanted background colonies in molecular biology experiments.

Related Concept Videos