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Chloroviruses, James L. Van Etten, Irina V. Agarkova, David D. Dunigan
Chloroviruses, James L. Van Etten, Irina V. Agarkova, David D. Dunigan
Nebraska Center for Virology: Faculty Publications
Chloroviruses are large dsDNA, plaque-forming viruses that infect certain chlorella-like green algae; the algae are normally mutualistic endosymbionts of protists and metazoans and are often referred to as zoochlorellae. The viruses are ubiquitous in inland aqueous environments throughout the world and occasionally single types reach titers of thousands of plaque-forming units per ml of native water. The viruses are icosahedral in shape with a spike structure located at one of the vertices. They contain an internal membrane that is required for infectivity. The viral genomes are 290 to 370 kb in size, which encode up to 16 tRNAs and 330 …