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ICTV Virus Taxonomy Profile: Bacilladnaviridae 2026
Arvind Varsani1, Yuji Tomaru2, Kenta Okamoto3
1School of Life Sciences, Arizona State University, Tempe, Arizona, USA.
Abstract:
Bacilladnaviridae is a family of viruses with single-stranded, circular DNA genomes that range from 3.4 to 6 kb and contain a short double-stranded region of 0.5-1 kb. The genome is replicated by the rolling-circle mechanism. Bacilladnavirids encode a jelly-roll capsid protein which forms non-enveloped icosahedral capsids with a T=3 symmetry. All cultured bacilladnavirids infect diatoms, a group of unicellular algae (Stramenopiles), and cause lysis of the host cells. This is a summary of the International Committee on Taxonomy of Viruses (ICTV) Report on the family Bacilladnaviridae, which is available at ictv.global/report/bacilladnaviridae.
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