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{{Short description|Genus of viruses}}
{{taxobox
{{Use dmy dates|date=April 2017}}
| virus_group = iii
{{Virusbox
| familia = ''[[Totiviridae]]''
| image = EMDB-5948-surf-radial.png
| genus = '''''Giardiavirus'''''
| image_alt =
| subdivision_ranks = Type Species
| image_caption = [[Cryo-EM]] reconstruction of Giardia lamblia virus (GLV) particle <br> color based on distance from center
| subdivision =
| parent = Giardiavirus
⚫
*''Giardia lamblia virus''
| species = Giardia lamblia virus
| synonyms =
| synonyms_ref =
}}
}}


'''''Giardiavirus''''' is a genus of [[viruses]], in the family [[Totiviridae]]. [[Protozoa]] serve as natural hosts. There is currently only one species in this genus: the type species ''Giardia lamblia virus''.<ref name=ViralZone>{{cite web|title=Viral Zone|url=http://viralzone.expasy.org/all_by_species/647.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>
'''''Giardiavirus''''' is a genus of [[viruses]], in the family [[Totiviridae]]. [[Protozoa]] serve as natural hosts. There is only one species in this genus: '''''Giardia lamblia virus'''''.<ref name=ViralZone>{{cite web|title=Viral Zone|url=http://viralzone.expasy.org/all_by_species/647.html|publisher=ExPASy|accessdate=15 June 2015}}</ref><ref name=ICTV>{{cite web |title=Virus Taxonomy: 2020 Release |url=https://ictv.global/taxonomy |publisher=International Committee on Taxonomy of Viruses (ICTV) |date=March 2021 |access-date=13 May 2021}}</ref>

⚫
==Taxonomy==
<big>'''Group: dsRNA'''</big>
{{Collapsible list|title= <big>Order: Unassigned</big>
|1={{Collapsible list| framestyle=border:none; padding:1.0em;|title=Family: [[Totiviridae]]
|1={{hidden begin|title=<small>Genus: Giardiavirus</small>}}
⚫
*<small>'''''Giardia lamblia virus'''''</small>
{{hidden end}}
}}
}}<ref name=ICTV />


==Structure==
==Structure==
Viruses in Giardiavirus are non-enveloped, with icosahedral geometries, and T=2 symmetry. The diameter is around 36&nbsp;nm. Genomes are linear, around 6277kb in length. The genome has 2 open reading frames.<ref name=ViralZone />
Viruses in ''Giardiavirus'' are non-enveloped, with icosahedral geometries, and T=2 symmetry. The diameter is around 36&nbsp;nm. Genomes are linear, around 6277kb in length. The genome has 2 open reading frames.<ref name=ViralZone />


{| class="wikitable sortable" style="text-align:center"
{| class="wikitable sortable" style="text-align:center"
|-
|-
! Genus !! Structure || Symmetry !! Capsid !! Genomic Arrangement !! Genomic Segmentation
! Genus !! Structure || Symmetry !! Capsid !! Genomic arrangement !! Genomic segmentation
|-
|-
|Giardiavirus||Icosahedral||T=2||Non-Enveloped||Linear||Monopartite
|''Giardiavirus''||Icosahedral||T=2||Non-enveloped||Linear||Monopartite
|}
|}


==Life Cycle==
==Life cycle==
Viral replication is cytoplasmic. Entry into the host cell is achieved by attachment to host receptors, which mediates endocytosis. Replication follows the double-stranded RNA virus replication model. Double-stranded rna virus transcription is the method of transcription. Translation takes place by -1 ribosomal frameshifting, and viral initiation. Protozoa serve as the natural host.<ref name=ViralZone />
Viral replication is cytoplasmic. Entry into the host cell is achieved by attachment to host receptors, which mediates endocytosis. Replication follows the double-stranded RNA virus replication model. Double-stranded rna virus transcription is the method of transcription. Translation takes place by -1 ribosomal frameshifting, and viral initiation. Protozoa serve as the natural host.<ref name=ViralZone />


{| class="wikitable sortable" style="text-align:center"
{| class="wikitable sortable" style="text-align:center"
|-
|-
! Genus !! Host Details !! Tissue Tropism !! Entry Details !! Release Details !! Replication Site !! Assembly Site !! Transmission
! Genus !! Host details !! Tissue tropism !! Entry details !! Release details !! Replication site !! Assembly site !! Transmission
|-
|-
|Giardiavirus||Protozoa||None||Cell receptor endocytosis||Exocytosis||Cytoplasm||Cytoplasm||Passive diffusion
|''Giardiavirus''||Protozoa||None||Cell receptor endocytosis||Exocytosis||Cytoplasm||Cytoplasm||Passive diffusion
|}
|}

⚫
==Taxonomy==
The genus ''Giardiavirus'' has one species:<ref name=ICTV />
⚫
* ''Giardia lamblia virus''


==References==
==References==
{{Reflist}}
{{Reflist}}


==External Links==
==External links==
* [http://viralzone.expasy.org/all_by_species/647.html '''Viralzone''': Giardiavirus]
* [http://viralzone.expasy.org/all_by_species/647.html '''Viralzone''': Giardiavirus]
* [http://ictvonline.org/virusTaxonomy.asp '''ICTV''']
* [http://ictvonline.org/virusTaxonomy.asp '''ICTV''']
{{Baltimore classification}}
{{Baltimore classification}}

{{Taxonbar|from=Q18822377}}


[[Category:Totiviridae]]
[[Category:Totiviridae]]
[[Category:Virus genera]]

Latest revision as of 12:30, 30 January 2023

Giardia lamblia virus
Cryo-EM reconstruction of Giardia lamblia virus (GLV) particle
color based on distance from center
Virus classification Edit this classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Duplornaviricota
Class: Chrymotiviricetes
Order: Ghabrivirales
Family: Totiviridae
Genus: Giardiavirus
Species:
Giardia lamblia virus

Giardiavirus is a genus of viruses, in the family Totiviridae. Protozoa serve as natural hosts. There is only one species in this genus: Giardia lamblia virus.[1][2]

Structure

[edit]

Viruses in Giardiavirus are non-enveloped, with icosahedral geometries, and T=2 symmetry. The diameter is around 36 nm. Genomes are linear, around 6277kb in length. The genome has 2 open reading frames.[1]

Genus Structure Symmetry Capsid Genomic arrangement Genomic segmentation
Giardiavirus Icosahedral T=2 Non-enveloped Linear Monopartite

Life cycle

[edit]

Viral replication is cytoplasmic. Entry into the host cell is achieved by attachment to host receptors, which mediates endocytosis. Replication follows the double-stranded RNA virus replication model. Double-stranded rna virus transcription is the method of transcription. Translation takes place by -1 ribosomal frameshifting, and viral initiation. Protozoa serve as the natural host.[1]

Genus Host details Tissue tropism Entry details Release details Replication site Assembly site Transmission
Giardiavirus Protozoa None Cell receptor endocytosis Exocytosis Cytoplasm Cytoplasm Passive diffusion

Taxonomy

[edit]

The genus Giardiavirus has one species:[2]

  • Giardia lamblia virus

References

[edit]
  1. ^ a b c "Viral Zone". ExPASy. Retrieved 15 June 2015.
  2. ^ a b "Virus Taxonomy: 2020 Release". International Committee on Taxonomy of Viruses (ICTV). March 2021. Retrieved 13 May 2021.
[edit]
Retrieved from "https://en.wikipedia.org/enwiki/w/index.php?title=Giardiavirus&oldid=1136461884"