In this article we will discuss about:- 1. Introduction to Cyanophages 2. Distribution of Cyanophages 3. Nomenclature 4. Ultrastructure 5. Infection and Growth Cycle. Introduction to Cyanophages: Sufferman and Morris (1963) were the first to report the discovery of viral agent which attacks and lysis blue-green algae. Since then many more viruses have been found […]