The virus was first isolated by Kenneth Adolph and Robert Haselkorn in 1971 in the USA , from the nitrogen - fixing cyanobacterium , Nostoc muscorum .
Cyanophage N - 1 is a myovirus bacteriophage that infects freshwater filamentous cyanobacteria of the Nostoc genus .
The virus was first isolated by Kenneth Adolph and Robert Haselkorn in 1971 in the USA , from the nitrogen - fixing Nostoc , Nostoc   .
Cyanophage N - 1 is a myovirus bacteriophage that infects freshwater filamentous cyanobacteria of the Nostoc genus .