Hypoviridae: Difference between revisions
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{{taxobox |
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| virus_group = iii |
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| ordo = ''unassigned'' |
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| familia = '''''Hypoviridae''''' |
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| subdivision_ranks = Genera |
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| subdivision = |
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}} |
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{{R from monotypic taxon|virus}} |
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'''''Hypoviridae''''' is a family of [[viruses]]. Fungi serve as natural hosts. There are currently four species in this family, divided among 1 genera. Diseases associated with this family include: host virulence reduction. <ref name=ViralZone>{{cite web|title=Viral Zone|url=http://viralzone.expasy.org/all_by_species/167.html|publisher=ExPASy|accessdate=15 June 2015}}</ref><ref name=ICTV>{{cite web|last1=ICTV|title=Virus Taxonomy: 2014 Release|url=http://ictvonline.org/virusTaxonomy.asp|accessdate=15 June 2015}}</ref> |
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==Structure== |
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The diameter is around 50-80nm. Genomes are linear, around 9-13kb in length. The genome has 1 or 2 open reading frames.<ref name=ViralZone /> ''Hypoviridae'' was the first family of [[virus]]es described that lacked a [[capsid]].<ref name=lackcapsid >{{Cite book | last1 = Dolja | first1 = V. V. | last2 = Koonin | first2 = E. V. | doi = 10.1002/9780470015902.a0023269 | chapter = Capsid-Less RNA Viruses | title = ELS | year = 2012 | isbn = 0470016175 | pmid = | pmc = }}</ref> and does not assemble any virion to spread. |
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{| class="wikitable sortable" style="text-align:center" |
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! Genus !! Structure || Symmetry !! Capsid !! Genomic Arrangement !! Genomic Segmentation |
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|Hypovirus||No true capsid||||Non-Enveloped||Linear||Monopartite |
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==Life Cycle== |
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Viral replication is cytoplasmic. Replication follows the double-stranded RNA virus replication model. Double-stranded rna virus transcription is the method of transcription. The virus exits the host cell by cell to cell movement. Fungi serve as the natural host.<ref name=ViralZone /> The virus never leaves its host and probably replicates in pleomorphic host-derived lipid [[Vesicle (biology)|vesicles]]. Transmission is probably dependent on host hyphal anastomosis.<ref name=lackcapsid/> |
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{| class="wikitable sortable" style="text-align:center" |
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! Genus !! Host Details !! Tissue Tropism !! Entry Details !! Release Details !! Replication Site !! Assembly Site !! Transmission |
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|Hypovirus||Fungi||None||Cytoplasmic exchange; hyphal anastomosis||Cytoplasmic exchange; hyphal anastomosis||Cytoplasm||Cytoplasm||Cytoplasmic exchange; hyphal anastomosis |
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==References== |
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{{reflist}} |
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==External links== |
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* [http://viralzone.expasy.org/all_by_species/167.html '''Viralzone''': Hypoviridae] |
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* [http://ictvonline.org/virusTaxonomy.asp '''ICTV'''] |
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{{Baltimore classification}} |
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[[Category:Virus families]] |
[[Category:Virus families]] |
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Latest revision as of 03:43, 6 May 2020
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