HukuchivirusHukuchivirus is a genus of double-stranded DNA viruses that infect thermophilic bacteria. The genus was previously named Gammasphaerolipovirus.TaxonomyThe genus contains the following species:Hukuchivirus IN93, Thermus virus IN93 )Hukuchivirus P2377, Thermus virus P23-77, H. P23-77 )MorphologyThe virus particle, called a virion, of viruses in the genus has a capsid that is icosahedral in shape. The capsid contains an internal lipid membrane between the capsid and the genome, which is in the center of the virion.