Rhizidiovirus: Difference between revisions
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*''Rhizidiomyces virus'' |
*''Rhizidiomyces virus'' |
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}}'''''Rhizidiovirus''''' is a genus of [[viruses]]. [[Stramenopile]]s<ref>Dawe VH, Kuhn CW (1983) Isolation and characterization of a double-stranded DNA mycovirus infecting the aquatic fungus, ''Rhizidiomyces''. Virology 130(1):21–28</ref> ([[fungi]] and [[hyphochytridiomycota]]) serve as natural hosts. There is currently only one species in this genus: the type species Rhizidiomyces virus. |
}}'''''Rhizidiovirus''''' is a genus of [[viruses]]. [[Stramenopile]]s<ref>Dawe VH, Kuhn CW (1983) Isolation and characterization of a double-stranded DNA mycovirus infecting the aquatic fungus, ''Rhizidiomyces''. Virology 130(1):21–28</ref> ([[fungi]] and [[hyphochytridiomycota]]) serve as natural hosts. There is currently only one species in this genus: the type species Rhizidiomyces virus.<ref name=ViralZone>{{cite web|title=Viral Zone|url=http://viralzone.expasy.org/all_by_species/640.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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==Taxonomy== |
==Taxonomy== |
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{{Collapsible list|title= <big>Order: Unassigned</big> |
{{Collapsible list|title= <big>Order: Unassigned</big> |
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|1={{Collapsible list| framestyle=border:none; padding:1.0em;|title=Family: Unassigned |
|1={{Collapsible list| framestyle=border:none; padding:1.0em;|title=Family: Unassigned |
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|1={{hidden begin|title=<small>Genus: |
|1={{hidden begin|title=<small>Genus: Rhizidiovirus</small>}} |
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*<small>'''''[[Rhizidiomyces virus]]'''''</small> |
*<small>'''''[[Rhizidiomyces virus]]'''''</small> |
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{{hidden end}} |
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==Structure== |
==Structure== |
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Viruses in Rhizidiovirus are non-enveloped, with icosahedral, round, and isometric geometries. The diameter is around 60 |
Viruses in Rhizidiovirus are non-enveloped, with icosahedral, round, and isometric geometries. The diameter is around 60 nm.<ref name=ViralZone /> |
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The genome is non segmented, linear double stranded DNA and ~25.5 kilobases in length. It has a [[guanine]] + [[cytosine]] content of 42%. It encodes at least 14 protein with molecular weights between 84.5 to 26 kilo[[Dalton (unit)|Dalton]]s. |
The genome is non segmented, linear double stranded DNA and ~25.5 kilobases in length. It has a [[guanine]] + [[cytosine]] content of 42%. It encodes at least 14 protein with molecular weights between 84.5 to 26 kilo[[Dalton (unit)|Dalton]]s. |
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|Rhizidiovirus||Icosahedral||||Non-Enveloped||Linear||Monopartite |
|Rhizidiovirus||Icosahedral||||Non-Enveloped||Linear||Monopartite |
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==Life Cycle== |
==Life Cycle== |
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The virus seems to remain latent within the host until the host is stressed.<ref name=Dawe1983>Dawe VH, Kuhn CW (1983) Virus-like particles in the aquatic fungus, ''Rhizidiomyces''.Virology 130(1):10–20.</ref> Virons first appear in the [[Cell nucleus|nucleus]]. This is followed by the disintegration of the host nucleus and [[cytoplasm]] and their replacement by paracrystalline structures composed of virons. These structures first appear in association with the mitochondria. After the nucleus and cytoplasm have been replaced the cell wall breaks down followed with release of virons into the medium. Vertical transmission also appears to be possible. |
The virus seems to remain latent within the host until the host is stressed.<ref name=Dawe1983>Dawe VH, Kuhn CW (1983) Virus-like particles in the aquatic fungus, ''Rhizidiomyces''.Virology 130(1):10–20.</ref> Virons first appear in the [[Cell nucleus|nucleus]]. This is followed by the disintegration of the host nucleus and [[cytoplasm]] and their replacement by paracrystalline structures composed of virons. These structures first appear in association with the mitochondria. After the nucleus and cytoplasm have been replaced the cell wall breaks down followed with release of virons into the medium. Vertical transmission also appears to be possible. |
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|Rhizidiovirus||Fungi Hyphochytridiomycota||None||Unknown||Lysis||Nucleus||Nucleus||Passive Diffusion, Vertical |
|Rhizidiovirus||Fungi Hyphochytridiomycota||None||Unknown||Lysis||Nucleus||Nucleus||Passive Diffusion, Vertical |
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==References== |
==References== |
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{{Reflist}} |
{{Reflist}} |
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==External |
==External links== |
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* [http://viralzone.expasy.org/all_by_species/640.html '''Viralzone''': Rhizidiovirus] |
* [http://viralzone.expasy.org/all_by_species/640.html '''Viralzone''': Rhizidiovirus] |
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* [http://ictvonline.org/virusTaxonomy.asp '''ICTV'''] |
* [http://ictvonline.org/virusTaxonomy.asp '''ICTV'''] |
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{{Baltimore classification}} |
{{Baltimore classification}} |
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[[Category:DNA viruses]] |
[[Category:DNA viruses]] |
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Revision as of 21:58, 27 July 2015
| Rhizidiovirus | |
|---|---|
| Virus classification | |
| Group: | Group I (dsDNA)
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| Type Species | |
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Rhizidiovirus is a genus of viruses. Stramenopiles[1] (fungi and hyphochytridiomycota) serve as natural hosts. There is currently only one species in this genus: the type species Rhizidiomyces virus.[2][3]
Taxonomy
Group: dsDNA
Order: Unassigned
- Family: Unassigned
- Genus: Rhizidiovirus
Structure
Viruses in Rhizidiovirus are non-enveloped, with icosahedral, round, and isometric geometries. The diameter is around 60 nm.[2]
The genome is non segmented, linear double stranded DNA and ~25.5 kilobases in length. It has a guanine + cytosine content of 42%. It encodes at least 14 protein with molecular weights between 84.5 to 26 kiloDaltons.
| Genus | Structure | Symmetry | Capsid | Genomic Arrangement | Genomic Segmentation |
|---|---|---|---|---|---|
| Rhizidiovirus | Icosahedral | Non-Enveloped | Linear | Monopartite |
Life Cycle
The virus seems to remain latent within the host until the host is stressed.[4] Virons first appear in the nucleus. This is followed by the disintegration of the host nucleus and cytoplasm and their replacement by paracrystalline structures composed of virons. These structures first appear in association with the mitochondria. After the nucleus and cytoplasm have been replaced the cell wall breaks down followed with release of virons into the medium. Vertical transmission also appears to be possible.
DNA-templated transcription is the method of transcription. Fungi and hyphochytridiomycota serve as the natural host.[2]
| Genus | Host Details | Tissue Tropism | Entry Details | Release Details | Replication Site | Assembly Site | Transmission |
|---|---|---|---|---|---|---|---|
| Rhizidiovirus | Fungi Hyphochytridiomycota | None | Unknown | Lysis | Nucleus | Nucleus | Passive Diffusion, Vertical |
References
- ^ Dawe VH, Kuhn CW (1983) Isolation and characterization of a double-stranded DNA mycovirus infecting the aquatic fungus, Rhizidiomyces. Virology 130(1):21–28
- ^ a b c "Viral Zone". ExPASy. Retrieved 15 June 2015.
- ^ a b ICTV. "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015.
- ^ Dawe VH, Kuhn CW (1983) Virus-like particles in the aquatic fungus, Rhizidiomyces.Virology 130(1):10–20.