Description
Wild type; gives about 80% plating efficiency on restrictive host E. coli K12 (lambda) as compared with plaque formation on permissive host E. coli B. Bacteriophage is individually tested for quality and titer. This coliphage is supplied as filtered (sterile) peptone broth suspension of high relative infective titer in screw-cap vial. Vial contains 5 mL and proven titer is noted on label.
Note: Refrigerate coliphage until use; do not freeze.