Genus of viruses Badnavirus Virus classification (unranked): | Virus Realm: | Riboviria Kingdom: | Pararnavirae Phylum: | Artverviricota Class: | Revtraviricetes Order: | Ortervirales Family: | Caulimoviridae Genus: | Badnavirus Badnavirus is a genus of viruses, in the family Caulimoviridae order Ortervirales. Plants serve as natural hosts. There are 67 species in this genus. Diseases associated with this genus include: CSSV: leaf chlorosis, root necrosis, red vein banding in young leaves, small mottled pods, and stem/root swelling followed by die-back. Infection decreases yield by 25% within one year, 50% within two years and usually kills trees within 3–4 years.[1][2] ## Contents * 1 Taxonomy * 2 Structure * 3 Life cycle * 4 References * 5 External links ## Taxonomy[edit] The following species are recognized:[3] * Aglaonema bacilliform virus * Banana streak GF virus * Banana streak IM virus * Banana streak MY virus * Banana streak OL virus * Banana streak UA virus * Banana streak UI virus * Banana streak UL virus * Banana streak UM virus * Banana streak VN virus * Birch leafroll-associated virus * Blackberry virus F * Bougainvillea chlorotic vein banding virus * Cacao bacilliform Sri Lanka virus * Cacao mild mosaic virus * Cacao swollen shoot virus * Cacao swollen shoot CD virus * Cacao swollen shoot CE virus * Cacao swollen shoot Ghana M virus * Cacao swollen shoot Ghana N virus * Cacao swollen shoot Ghana Q virus * Cacao swollen shoot Togo A virus * Cacao swollen shoot Togo B virus * Cacao yellow vein banding virus * Camellia lemon glow virus * Canna yellow mottle associated virus * Canna yellow mottle virus * Citrus yellow mosaic virus * Codonopsis vein clearing virus * Commelina yellow mottle virus * Cycad leaf necrosis virus * Dioscorea bacilliform AL virus * Dioscorea bacilliform AL virus 2 * Dioscorea bacilliform RT virus 1 * Dioscorea bacilliform RT virus 2 * Dioscorea bacilliform RT virus 3 * Dioscorea bacilliform SN virus * Dioscorea bacilliform TR virus * Dracaena mottle virus * Epiphyllum mottle-associated virus * Fig badnavirus 1 * Gooseberry vein banding associated virus * Grapevine badnavirus 1 * Grapevine Roditis leaf discoloration-associated virus * Grapevine vein clearing virus * Green Sichuan pepper vein clearing-associated virus * Ivy ringspot-associated virus * Jujube mosaic-associated virus * Kalanchoe top-spotting virus * Mulberry badnavirus 1 * Pagoda yellow mosaic associated virus * Pineapple bacilliform CO virus * Pineapple bacilliform ER virus * Piper yellow mottle virus * Polyscias mosaic virus * Rubus yellow net virus * Schefflera ringspot virus * Spiraea yellow leafspot virus * Sugarcane bacilliform Guadeloupe A virus * Sugarcane bacilliform Guadeloupe D virus * Sugarcane bacilliform IM virus * Sugarcane bacilliform MO virus * Sweet potato pakakuy virus * Taro bacilliform CH virus * Taro bacilliform virus * Wisteria badnavirus 1 * Yacon necrotic mottle virus ## Structure[edit] Viruses in Badnavirus are non-enveloped, with bacilliform geometries. These viruses are about 30 nm wide and 90-900 nm long. Genomes are circular and non-segmented.[1] Genus | Structure | Symmetry | Capsid | Genomic arrangement | Genomic segmentation | | | | | Badnavirus | Bacilliform | T=3 | Non-enveloped | Circular | Monopartite ## Life cycle[edit] Viral replication is nuclear/cytoplasmic. Entry into the host cell is achieved by attachment of the viral proteins to host receptors, which mediates endocytosis. Replication follows the dsDNA(RT) replication model. DNA-templated transcription, specifically dsDNA-RT transcription is the method of transcription. The virus exits the host cell by nuclear pore export, and tubule-guided viral movement. Plants serve as the natural host. The virus is transmitted via a vector (cssv: mealybugs). Transmission routes are vector, mechanical, and seed borne.[1] Genus | Host details | Tissue tropism | Entry details | Release details | Replication site | Assembly site | Transmission | | | | | | | Badnavirus | Plants | None | Viral movement; mechanical inoculation | Viral movement | Nucleus | Cytoplasm | Mechanical inoculation: mealybugs; mechanical; wounds; seed ## References[edit] 1. ^ a b c "Viral Zone". ExPASy. Retrieved 15 June 2015. 2. ^ "Genus: Badnavirus - Caulimoviridae - Reverse Transcribing DNA and RNA Viruses - International Committee on Taxonomy of Viruses (ICTV)". 3. ^ "Virus Taxonomy: 2020 Release". International Committee on Taxonomy of Viruses (ICTV). March 2021. Retrieved 21 May 2021. ## External links[edit] * Viralzone: Badnavirus * Genus: Badnavirus - Caulimoviridae - Reverse Transcribing DNA and RNA Viruses - International Committee on Taxonomy of Viruses (ICTV) * v * t * e Baltimore (virus classification) DNA| I: dsDNA viruses | Adnaviria| | Zilligvirae| | Taleaviricota| | Tokiviricetes| | Ligamenvirales| * Lipothrixviridae * Rudiviridae | Primavirales| * Tristromaviridae Duplodnaviria| | Heunggongvirae| | Peploviricota| | Herviviricetes| | Herpesvirales| * Alloherpesviridae * Herpesviridae * Malacoherpesviridae | Uroviricota| | Caudoviricetes| | Caudovirales| * Ackermannviridae * Autographiviridae * Chaseviridae * Demerecviridae * Drexlerviridae * Guelinviridae * Herelleviridae * Myoviridae * Podoviridae * Rountreeviridae * Salasmaviridae * Schitoviridae * Siphoviridae * Zobellviridae | Monodnaviria| | Shotokuvirae| | Cossaviricota| | Papovaviricetes| | Sepolyvirales| * Polyomaviridae | Zurhausenvirales| * Papillomaviridae Varidnaviria| | 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| Ortervirales| * Caulimoviridae Taxon identifiers| * Wikidata: Q16911711 * Wikispecies: Badnavirus * CoL: 377Y * EoL: 67714 * EPPO: 1BADNG * GBIF: 10306056 * iNaturalist: 468187 * IRMNG: 1038620 * NCBI: 10652 * WoRMS: 600228 | *[v]: View this template *[t]: Discuss this template *[e]: Edit this template