Hydrangea Ringspot Virus
Hydrangea ringspot virus (HRSV) is a plant pathogenic virus of the family ''Alphaflexiviridae ''Alphaflexiviridae'' is a family of viruses in the order ''Tymovirales''. Plants and fungi serve as natural hosts. There are 65 species in this family, assigned to six genera. Diseases associated with this family include: mosaic and ringspot sy ...''. External linksICTVdB - The Universal Virus Database: Hydrangea ringspot virus
Potexviruses Viral plant pathogens and diseases {{Virus-plant-disease-stub ...
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Alphaflexiviridae
''Alphaflexiviridae'' is a family of viruses in the order ''Tymovirales''. Plants and fungi serve as natural hosts. There are 65 species in this family, assigned to six genera. Diseases associated with this family include: mosaic and ringspot symptoms. Taxonomy The following genera are recognized: *''Allexivirus'' *'' Botrexvirus'' *''Lolavirus'' *''Platypuvirus'' *''Potexvirus'' *''Sclerodarnavirus ''Sclerodarnavirus'' is a genus of viruses in the order ''Tymovirales'', in the family ''Alphaflexiviridae ''Alphaflexiviridae'' is a family of viruses in the order ''Tymovirales''. Plants and fungi serve as natural hosts. There are 65 specie ...'' Structure Viruses in the genus ''Alphaflexiviridae'' are non-enveloped, with flexuous and filamentous geometries. The diameter is around 12-13 nm. Genomes are linear, around 5.4-9kb in length. The genome codes for 1 to 6 proteins. Life cycle Viral replication is cytoplasmic, and is lysogenic. Entry into the host cell is achiev ...
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