Description
Minute polyhedral form, 25-nm diam, with circular, single-stranded DNA; a close relative of S13 phage; good for plaque morphology and demonstrating effect of cations on phage growth. 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 vials. Vial contains 5 mL and proven titer is noted on label. Note: Refrigerate coliphage until use; do not freeze.