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{{Short description|Genus of viruses}}
{{taxobox
{{Use dmy dates|date=April 2017}}
| virus_group = iv
{{Virusbox
| familia = ''[[Leviviridae]]''
| image = Bacteriophage Qβ attached to sex pilus of E. coli.jpg
| genera = '''''Allolevivirus'''''
| image2_caption = [[Transmission electron micrograph|TEM]] of [[Bacteriophage Qβ]] attached to the [[pilus]] of [[E. coli]] and its genome
| subdivision_ranks = Type Species
| image2 = Viruses-10-00386-g002-B.jpg
| subdivision =
| taxon = Qubevirus
*''[[Enterobacteria phage Qbeta]]''
}}'''''Allolevivirus''''' is a genus of [[viruses]] , in the family [[Leviviridae]]. Enterobacteria serve as natural hosts. There are currently only two species in this genus including the type species [[Enterobacteria phage Qbeta]]. Diseases associated with this genus include: none. <ref name=ViralZone>{{cite web|title=Viral Zone|website=http://viralzone.expasy.org/all_by_species/292.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>
⚫
==Taxonomy==
<big>'''Group: ssRNA(+)'''</big>
{{Collapsible list|title= <big>Order: Unassigned</big>
|1={{Collapsible list| framestyle=border:none; padding:1.0em;|title=Family: [[Leviviridae]]
|1={{hidden begin|title=<small>Genus: [[Allolevivirus]]</small>}}
*<small>[[Enterobacteria phage FI]]</small>
*<small>'''''[[Enterobacteria phage Qbeta]]'''''</small>
{{hidden end}}
}}
}}
}}


'''''Qubevirus''''' is a genus of [[Positive-strand RNA virus|positive-strand RNA viruses]], in the family ''[[Fiersviridae]]''. [[Enterobacteriaceae|Enterobacteria]] serve as natural hosts.<ref name="ViralZone">{{cite web|title=Viral Zone|url=http://viralzone.expasy.org/all_by_species/292.html|accessdate=15 June 2015|publisher=ExPASy}}</ref> There are two species in this genus.<ref name=":02">{{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=16 May 2021}}</ref> In 2020, the genus was renamed from ''Allolevivirus'' to its current name.<ref>{{cite web |title=ICTV Taxonomy history: ''Qubevirus'' |url=https://ictv.global/taxonomy/taxondetails?taxnode_id=202003753 |publisher=International Committee on Taxonomy of Viruses (ICTV) |access-date=16 May 2021}}</ref>
<ref name=ICTV />


==Structure==
==Structure==
Viruses in Allolevivirus are non-enveloped, with icosahedral and Spherical geometries, and T=3 symmetry. The diameter is around 26 nm. Genomes are linear and non-segmented, around 4kb in length. The genome codes for 4 proteins.
Viruses in ''Qubevirus'' are non-enveloped, with icosahedral and spherical geometries, and T=3 symmetry. The diameter is around 26&nbsp;nm.<ref name="ViralZone" />
<ref name=ViralZone />


==Genome==
{| class="wikitable sortable" style="text-align:center"
Qubeviruses have a [[Sense (molecular biology)|positive-sense]], single-stranded RNA genome. The genome is linear and non-segmented and around 4kb in length. The genome codes for four proteins, which are the [[Capsid|coat]], [[RNA-dependent RNA polymerase|replicase]], maturation, and [[lysis]] protein.<ref name="ViralZone" />
|-
! Genus !! Structure || Symmetry !! Capsid !! Genomic Arrangement !! Genomic Segmentation
|-
|Allolevivirus||Icosahedral||T=3||Non-Enveloped||Linear||Monopartite
|}


==Life Cycle==
==Life cycle==
Entry into the host cell is achieved by adsorption into the host cell. Replication follows the positive stranded RNA virus replication model. Positive stranded rna virus transcription is the method of transcription. Translation takes place by suppression of termination. The virus exits the host cell by bacteria lysis.
Entry into the host cell is achieved by [[adsorption]] into the host cell. Replication follows the positive-strand RNA virus replication model. Positive-strand RNA virus [[Transcription (biology)|transcription]] is the method of transcription. [[Translation (biology)|Translation]] takes place by suppression of termination. The virus exits the host cell by bacteria lysis. Enterobacteria serve as the natural host.<ref name="ViralZone" />

Enterobacteria serve as the natural host.
⚫
==Taxonomy==
<ref name=ViralZone />
The genus ''Qubevirus'' has the following two species:<ref name=":02" />

* ''Qubevirus durum'', commonly called [[bacteriophage Qbeta]]
* ''Qubevirus faecium''


{| class="wikitable sortable" style="text-align:center"
|-
! Genus !! Host Details !! Tissue Tropism !! Entry Details !! Release Details !! Replication Site !! Assembly Site !! Transmission
|-
|Allolevivirus||Enterobacteria||None||Pili||Lysis||Cytoplasm||Cytoplasm||Contact
|}
==References==
==References==
{{Reflist}}
{{Reflist}}

==External Links==
==External links==
* [http://viralzone.expasy.org/all_by_species/292.html '''Viralzone''': Allolevivirus]
* [http://viralzone.expasy.org/all_by_species/292.html '''Viralzone''': Allolevivirus]
* [http://ictvonline.org/virusTaxonomy.asp '''ICTV''']
* [http://ictvonline.org/virusTaxonomy.asp '''ICTV''']
{{Baltimore classification}}[[Category:Leviviridae]]
{{Baltimore classification}}

{{Taxonbar|from=Q16999956}}

[[Category:Virus genera]]
[[Category:Fiersviridae]]

Latest revision as of 12:41, 30 January 2023

Qubevirus
TEM of Bacteriophage Qβ attached to the pilus of E. coli and its genome
Virus classification Edit this classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Lenarviricota
Class: Leviviricetes
Order: Norzivirales
Family: Fiersviridae
Genus: Qubevirus

Qubevirus is a genus of positive-strand RNA viruses, in the family Fiersviridae. Enterobacteria serve as natural hosts.[1] There are two species in this genus.[2] In 2020, the genus was renamed from Allolevivirus to its current name.[3]

Structure[edit]

Viruses in Qubevirus are non-enveloped, with icosahedral and spherical geometries, and T=3 symmetry. The diameter is around 26 nm.[1]

Genome[edit]

Qubeviruses have a positive-sense, single-stranded RNA genome. The genome is linear and non-segmented and around 4kb in length. The genome codes for four proteins, which are the coat, replicase, maturation, and lysis protein.[1]

Life cycle[edit]

Entry into the host cell is achieved by adsorption into the host cell. Replication follows the positive-strand RNA virus replication model. Positive-strand RNA virus transcription is the method of transcription. Translation takes place by suppression of termination. The virus exits the host cell by bacteria lysis. Enterobacteria serve as the natural host.[1]

Taxonomy[edit]

The genus Qubevirus has the following two species:[2]

References[edit]

  1. ^ a b c d "Viral Zone". ExPASy. Retrieved 15 June 2015.
  2. ^ a b "Virus Taxonomy: 2020 Release". International Committee on Taxonomy of Viruses (ICTV). March 2021. Retrieved 16 May 2021.
  3. ^ "ICTV Taxonomy history: Qubevirus". International Committee on Taxonomy of Viruses (ICTV). Retrieved 16 May 2021.

External links[edit]

Retrieved from "https://en.wikipedia.org/w/index.php?title=Qubevirus&oldid=1136463482"