Genomic diversity and global distribution of four new prasinoviruses from the tropical north Pacific.

ABSTRACT: Viruses that infect phytoplankton are an integral part of marine ecosystems, but the vast majority of viral diversity remains uncultivated. Here, we introduce four near-complete genomic assemblies of viruses that infect the widespread marine picoeukaryote Micromonas commoda, doubling the number of reported genomes of Micromonas dsDNA viruses. All host and virus isolates were obtained from tropical waters of the North Pacific, a first for viruses infecting green algae in the order Mamiellales. Genome length of the new isolates ranges from 205 to 212 kb, and phylogenetic analysis shows that all four are members of the genus Prasinovirus. Three of the viruses form a clade that is adjacent to previously sequenced Micromonas viruses, while the fourth virus is relativ

SUBMITTER: Bedi de Silva A 

PROVIDER: S-EPMC12584671 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature