Description
Point mutation in cistron A segment 5; very low reversion rate to wild type (about 10-8 power) as measured by plaque formation in E. coli K12 (lambda). 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.