Reports

Use of phage immunity in molecular cloning experiments

Science  08 Apr 1977:
Vol. 196, Issue 4286, pp. 182-183
DOI: 10.1126/science.847464

Abstract

Immunity to phage superinfection is a useful selective marker in molecular cloning experiments. Plasmids which have unique sites for several different restriction endonucleases and which specify immunity to bacteriophage λ are described.

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