TY - RPRT TI - Bacteriophage lambda-E. coli K12 vector-host system for gene cloning and expression under lactose promoter control. II. DNA fragment insertion at the vicinity of the lac UV5 promoter. AU - P Charnay AU - A Louise AU - A Fritsch AU - D Perrin AU - P Tiollais PY - 1979 DO - 10.1007/bf00337793 UR - https://pubmed.ncbi.nlm.nih.gov/107393/ ID - 107393 ER -