Isolation and characterization of a Bacillus megaterium QMB1551 bacteriophage

A bacteriophage specific for Bacillus megaterium QM B1551 was isolated. This phage (MP-7) was a lytic phage of typical morphology and distinct stability properties. The DNA was double-stranded, with a mole % G+C of 38.9 +/- 0.7 and a mol. wt. of 42 to 44 X 10(6).