Mavirus: Difference between revisions
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{{Short description|Genus of viruses}} |
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{{Taxobox |
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{{Virusbox |
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| image = Giant virus CroV with its virophage Mavirus.png |
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| virus_group = i |
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| image_caption = The [[virophage]] ''Mavirus'' (lower left) with its associated giant virus ''CroV'' <ref>Duponchel, S. and Fischer, M.G. (2019) "Viva lavidaviruses! Five features of virophages that parasitize giant DNA viruses". ''PLoS pathogens'', '''15'''(3). {{doi|10.1371/journal.ppat.1007592}}. [[File:CC-BY icon.svg|50px]] Material was copied from this source, which is available under a [https://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International License].</ref> |
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| ordo = |
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| parent = Mavirus |
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| familia = |
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| species = Cafeteriavirus-dependent mavirus |
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| subdivision_ranks = Species |
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''Mavirus virophage'' |
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'''''Mavirus''''' is a genus of [[double stranded DNA virus]] that can infect the marine [[phagotrophic]] flagellate ''[[Cafeteria roenbergensis]]'', but only in the presence of the giant ''[[CroV]]'' virus (''Cafeteria roenbergensis'').<ref name=Fischer2011>{{cite journal |author=Fischer MG, Suttle CA |title=A virophage at the origin of large DNA transposons |journal=Science |volume=332 |issue=6026 |pages=231–4 |date=April 2011 |pmid=21385722 |doi=10.1126/science.1199412 |bibcode=2011Sci...332..231F |s2cid=206530677 }}</ref> The genus contains [[Monotypic taxon|only one]] species, ''Cafeteriavirus-dependent mavirus''. ''Mavirus'' can integrate into the genome of cells of ''C. roenbergensis'', and thereby confer immunity to the population <ref name=Fischer2016>{{cite journal |author=Fischer MG, Hackl |title=Host genome integration and giant virus-induced reactivation of the virophage mavirus |journal=Nature |volume=540 |issue=7632 |pages=288–91 |date=December 2016 |pmid=27929021 |doi=10.1038/nature20593 |bibcode=2016Natur.540..288F |s2cid=4458402 }}</ref> |
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'''''Mavirus virophage''''' is a double stranded DNA virus that infects the marine phagotropic flagellate ''[[Cafeteria roenbergensis]]'' in the presence of a second virus - [[Cafeteria roenbergensis virus]].<ref name=Fischer2011>Fischer MG, Matthias G. and Curtis A. Suttle (2011) A virophage at the origin of large DNA transposons. Science 332 (6026) 231-234</ref> |
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The virophage was discovered by [[Matthias G. Fischer]] of the [[University of British Columbia]] while he was working on Cafeteria roenbergensis virus as part of his PhD. |
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__TOC__ |
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==Virology== |
==Virology== |
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==Classification== |
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''Mavirus'' is a genus in the family ''[[Lavidaviridae]]'', which has been established by the [[International Committee on Taxonomy of Viruses]] in 2016.<ref>{{cite journal|last1=Krupovic|first1=M|last2=Kuhn|first2=JH|last3=Fischer|first3=MG|title=A classification system for virophages and satellite viruses.|journal=Archives of Virology|date=January 2016|volume=161|issue=1|pages=233–47|doi=10.1007/s00705-015-2622-9|pmid=26446887|url=https://link.springer.com/content/pdf/10.1007%2Fs00705-015-2622-9.pdf|doi-access=free}}</ref> |
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==References== |
==References== |
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{{reflist}} |
{{reflist}} |
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{{Taxobar|from=Q21368933|from2=Q6794235}} |
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[[Category:Double-stranded DNA viruses]] |
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[[Category:Virophages]] |
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[[Category:Virus genera]] |
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{{virus-stub}} |
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Latest revision as of 03:32, 10 February 2023
| Cafeteriavirus-dependent mavirus | |
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| The virophage Mavirus (lower left) with its associated giant virus CroV [1] | |
Virus classification 
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| (unranked): | Virus |
| Realm: | Varidnaviria |
| Kingdom: | Bamfordvirae |
| Phylum: | Preplasmiviricota |
| Class: | Maveriviricetes |
| Order: | Priklausovirales |
| Family: | Lavidaviridae |
| Genus: | Mavirus |
| Species: | Cafeteriavirus-dependent mavirus
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Mavirus is a genus of double stranded DNA virus that can infect the marine phagotrophic flagellate Cafeteria roenbergensis, but only in the presence of the giant CroV virus (Cafeteria roenbergensis).[2] The genus contains only one species, Cafeteriavirus-dependent mavirus. Mavirus can integrate into the genome of cells of C. roenbergensis, and thereby confer immunity to the population [3]
The name is derived from Maverick virus.
The virophage was discovered by Matthias G. Fischer of the University of British Columbia while he was working on Cafeteria roenbergensis virus as part of his PhD.
Virology
[edit]The genome is 19,063 bases long and encodes 20 predicted coding sequences. Seven have homology to the Maverick/Polinton family of transposons.[2]
The genome encodes a retroviral integrase, an adenosine triphosphatase (ATPase), a cysteine protease and a protein primed DNA polymerase B.[citation needed]
Classification
[edit]Mavirus is a genus in the family Lavidaviridae, which has been established by the International Committee on Taxonomy of Viruses in 2016.[4]
References
[edit]- ^ Duponchel, S. and Fischer, M.G. (2019) "Viva lavidaviruses! Five features of virophages that parasitize giant DNA viruses". PLoS pathogens, 15(3). doi:10.1371/journal.ppat.1007592.
Material was copied from this source, which is available under a Creative Commons Attribution 4.0 International License.
- ^ a b Fischer MG, Suttle CA (April 2011). "A virophage at the origin of large DNA transposons". Science. 332 (6026): 231–4. Bibcode:2011Sci...332..231F. doi:10.1126/science.1199412. PMID 21385722. S2CID 206530677.
- ^ Fischer MG, Hackl (December 2016). "Host genome integration and giant virus-induced reactivation of the virophage mavirus". Nature. 540 (7632): 288–91. Bibcode:2016Natur.540..288F. doi:10.1038/nature20593. PMID 27929021. S2CID 4458402.
- ^ Krupovic, M; Kuhn, JH; Fischer, MG (January 2016). "A classification system for virophages and satellite viruses" (PDF). Archives of Virology. 161 (1): 233–47. doi:10.1007/s00705-015-2622-9. PMID 26446887.
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