Globuloviridae: Difference between revisions

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update taxonomy
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| subdivision_ranks = Genera
| subdivision_ranks = Genera
| subdivision =
| subdivision =
* ''Globulovirus''
* ''Alphaglobulovirus''
}}
}}
[[File:ODD.Globulo.Fig1.v2.png|thumb|left|upright=1.5|Negative-contrast electron micrographs of virions of ''Pyrobaculum spherical virus'' (PSV, genus ''Globulovirus''). (Left) Intact virions; arrows indicate spherical protrusions. (Right) Partially disrupted virions extruding disordered nucleoprotein core. The bars represent 100 nm. Modified from (Häring ''et al.'', 2004; provided by ICTV).]]
[[File:ODD.Globulo.Fig1.v2.png|thumb|right|upright=1.5|Negative-contrast electron micrographs of virions of Pyrobaculum spherical virus (PSV, genus ''Alphaglobulovirus''). (Left) Intact virions; arrows indicate spherical protrusions. (Right) Partially disrupted virions extruding disordered nucleoprotein core. The bars represent 100 nm. Modified from (Häring ''et al.'', 2004; provided by ICTV).]]
'''''Globuloviridae''''' is a family of hyperthermophilic archaeal [[viruses]]. Crenarchaea of the genera [[Pyrobaculum]] and [[Thermoproteus]] serve as natural hosts. There are currently only two species in this family, ''Pyrobaculum spherical virus'' and ''Thermoproteus tenax spherical virus 1'', included into a single genus, '''''Globulovirus'''''.<ref name=JGV-Globulo>{{cite journal |last1=Prangishvili |first1=D |last2=Krupovic |first2=M |last3=ICTV Report Consortium |title=ICTV Virus Taxonomy Profile: Globuloviridae |journal=The Journal of General Virology |volume=99 |issue=10 |pages=1357–1358 |date=2018 |doi=10.1099/jgv.0.001123 |pmid=30091697|doi-access=free }}</ref><ref name=ViralZone>{{cite web|title=Viral Zone|url=http://viralzone.expasy.org/all_by_species/535.html|publisher=ExPASy|access-date=15 June 2015}}</ref> Two tentative members of the family, Pyrobaculum spherical virus 2 <ref>{{cite journal |last1=Baquero |first1=DP |last2=Contursi |first2=P |last3=Piochi |first3=M |last4=Bartolucci |first4=S |last5=Liu |first5=Y |last6=Cvirkaite-Krupovic |first6=V |last7=Prangishvili |first7=D |last8=Krupovic |first8=M |title=New virus isolates from Italian hydrothermal environments underscore the biogeographic pattern in archaeal virus communities. |journal=The ISME Journal |date=2020 |volume=14 |issue=7 |pages=1821–1833 |doi=10.1038/s41396-020-0653-z |pmid=32322010|pmc=7305311 |pmc-embargo-date=July 1, 2021 }}</ref> and Thermoproteus spherical piliferous virus 1 <ref>{{cite journal |last1=Hartman |first1=R |last2=Biewenga |first2=L |last3=Munson-McGee |first3=J |last4=Refai |first4=M |last5=Boyd |first5=ES |last6=Bothner |first6=B |last7=Lawrence |first7=CM |last8=Young |first8=M |title=Discovery and Characterization of TSPV1: A Spherical Archaeal Virus Decorated with Unusual Filaments. |journal=Journal of Virology |date=2020 |volume=94 |issue=11 |doi=10.1128/JVI.00036-20 |pmid=32213609|pmc=7269449 |doi-access=free }}</ref> have been isolated but not officially classified.{{Clear|left}}
'''''Globuloviridae''''' is a family of hyperthermophilic archaeal [[viruses]]. Crenarchaea of the genera [[Pyrobaculum]] and [[Thermoproteus]] serve as natural hosts. There are four species in this family, assigned to a single genus, '''''Alphaglobulovirus'''''.<ref name=JGV-Globulo>{{cite journal |last1=Prangishvili |first1=D |last2=Krupovic |first2=M |last3=ICTV Report Consortium |title=ICTV Virus Taxonomy Profile: Globuloviridae |journal=The Journal of General Virology |volume=99 |issue=10 |pages=1357–1358 |date=2018 |doi=10.1099/jgv.0.001123 |pmid=30091697|doi-access=free }}</ref><ref name=ViralZone>{{cite web|title=Viral Zone|url=http://viralzone.expasy.org/all_by_species/535.html|publisher=ExPASy|access-date=15 June 2015}}</ref><ref name=ICTV >{{cite web |title=Virus Taxonomy: 2020 Release |url=https://talk.ictvonline.org/taxonomy/ |publisher=International Committee on Taxonomy of Viruses (ICTV) |date=March 2021 |access-date=24 May 2021}}</ref>


==Taxonomy==
==Taxonomy==
The family contains one genus which contains four species:<ref name=ICTV />
<big>'''Group: dsDNA'''</big>

{{Collapsible list|title= <big>Order: Unassigned</big>
*''Alphaglobulovirus''
|1={{Collapsible list| framestyle=border:none; padding:1.0em;|title=Family: ''Globuloviridae''
**''[[Alphaglobulovirus PSV]]''
|1={{hidden begin|title=<small>Genus: ''Globulovirus''</small>}}
**''[[Alphaglobulovirus PSV1]]''
*<small>'''''[[Pyrobaculum spherical virus]]'''''</small>
**''[[Alphaglobulovirus TSPV1]]''
*<small>''[[Thermoproteus tenax spherical virus 1]]''</small>
**''[[Alphaglobulovirus TTSV1]]''
{{hidden end}}
}}
}}<ref name=JGV-Globulo />


==Structure==
==Structure==
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! Genus !! Structure || Symmetry !! Capsid !! Genomic arrangement !! Genomic segmentation
! Genus !! Structure || Symmetry !! Capsid !! Genomic arrangement !! Genomic segmentation
|-
|-
|''Globulovirus''||Spherical||||Enveloped||Linear||Monopartite
|''Alphaglobulovirus''||Spherical||||Enveloped||Linear||Monopartite
|}
|}


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! 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
|-
|-
|''Globulovirus''||''Pyrobaculum'' and ''Thermoproteus'' archaea||None||Injection||Budding||Cytoplasm||Cytoplasm||Passive diffusion
|''Alphaglobulovirus''||''Pyrobaculum'' and ''Thermoproteus'' archaea||None||Injection||Budding||Cytoplasm||Cytoplasm||Passive diffusion
|}
|}


Revision as of 23:45, 24 May 2021

Globuloviridae
Virus classification Edit this classification
(unranked): Virus
Family: Globuloviridae
Genera
  • Alphaglobulovirus
Negative-contrast electron micrographs of virions of Pyrobaculum spherical virus (PSV, genus Alphaglobulovirus). (Left) Intact virions; arrows indicate spherical protrusions. (Right) Partially disrupted virions extruding disordered nucleoprotein core. The bars represent 100 nm. Modified from (Häring et al., 2004; provided by ICTV).

Globuloviridae is a family of hyperthermophilic archaeal viruses. Crenarchaea of the genera Pyrobaculum and Thermoproteus serve as natural hosts. There are four species in this family, assigned to a single genus, Alphaglobulovirus.[1][2][3]

Taxonomy

The family contains one genus which contains four species:[3]

Structure

Virions in the Globuloviridae are spherical and enveloped. The diameter is around 100 nm.[1][2]

Genome organization of Pyrobaculum spherical virus (PSV) showing location, sizes and direction of putative genes.

Genomes are linear dsDNA and non-segmented, around 20-30kb in length.[1][2]

Genus Structure Symmetry Capsid Genomic arrangement Genomic segmentation
Alphaglobulovirus Spherical Enveloped Linear Monopartite

Life cycle

Viral replication is cytoplasmic. DNA-templated transcription is the method of transcription. Pyrobaculum and Thermoproteus archaea serve as the natural host. Transmission routes are passive diffusion.[1]

Genus Host details Tissue tropism Entry details Release details Replication site Assembly site Transmission
Alphaglobulovirus Pyrobaculum and Thermoproteus archaea None Injection Budding Cytoplasm Cytoplasm Passive diffusion

References

  1. ^ a b c d Prangishvili, D; Krupovic, M; ICTV Report Consortium (2018). "ICTV Virus Taxonomy Profile: Globuloviridae". The Journal of General Virology. 99 (10): 1357–1358. doi:10.1099/jgv.0.001123. PMID 30091697.
  2. ^ a b c "Viral Zone". ExPASy. Retrieved 15 June 2015.
  3. ^ a b "Virus Taxonomy: 2020 Release". International Committee on Taxonomy of Viruses (ICTV). March 2021. Retrieved 24 May 2021.

External links

Retrieved from "https://en.wikipedia.org/w/index.php?title=Globuloviridae&oldid=1024960830"