Cressdnaviricota

Cressdnaviricota
	Virions of Maize streak virus
Virus classification
(unranked):	Virus
Realm:	Monodnaviria
Kingdom:	Shotokuvirae
Phylum:	Cressdnaviricota
Classes
	See text

Cressdnaviricota is a phylum of viruses with small, circular single-stranded DNA genomes and encoding rolling circle replication-initiation proteins with the N-terminal HUH endonuclease and C-terminal superfamily 3 helicase domains.^[1]^[2] While the replication-associated proteins are homologous among viruses within the phylum, the capsid proteins are very diverse and have presumably been acquired from RNA viruses on multiple independent occasions.^[3]^[4]^[5]^[6] Nevertheless, all cressdnaviruses for which structural information is available appear to contain the jelly-roll fold.^[5]^[6]

Taxonomy

The following classes are recognized:

Arfiviricetes
Repensiviricetes

References

^ Krupovic, M; Varsani, A; Kazlauskas, D; Breitbart, M; Delwart, E; Rosario, K; Yutin, N; Wolf, YI; Harrach, B; Zerbini, FM; Dolja, VV; Kuhn, JH; Koonin, EV (2020). "Cressdnaviricota: a Virus Phylum Unifying Seven Families of Rep-Encoding Viruses with Single-Stranded, Circular DNA Genomes". Journal of Virology. 94 (12): e00582-20. doi:10.1128/JVI.00582-20. PMC 7307096. PMID 32269128.
^ "Virus Taxonomy: 2019 Release". talk.ictvonline.org. International Committee on Taxonomy of Viruses. Retrieved 25 April 2020.
^ Kazlauskas, Darius; Dayaram, Anisha; Kraberger, Simona; Goldstien, Sharyn; Varsani, Arvind; Krupovic, Mart (April 2017). "Evolutionary history of ssDNA bacilladnaviruses features horizontal acquisition of the capsid gene from ssRNA nodaviruses". Virology. 504: 114–121. doi:10.1016/j.virol.2017.02.001. PMID 28189969.
^ Tisza, Michael J; Pastrana, Diana V; Welch, Nicole L; Stewart, Brittany; Peretti, Alberto; Starrett, Gabriel J; Pang, Yuk-Ying S; Krishnamurthy, Siddharth R; Pesavento, Patricia A; McDermott, David H; Murphy, Philip M; Whited, Jessica L; Miller, Bess; Brenchley, Jason; Rosshart, Stephan P; Rehermann, Barbara; Doorbar, John; Ta'ala, Blake A; Pletnikova, Olga; Troncoso, Juan C; Resnick, Susan M; Bolduc, Ben; Sullivan, Matthew B; Varsani, Arvind; Segall, Anca M; Buck, Christopher B (4 February 2020). "Discovery of several thousand highly diverse circular DNA viruses". eLife. 9: e51971. doi:10.7554/eLife.51971. PMC 7000223. PMID 32014111.
^ ^a ^b Krupovic, Mart (October 2013). "Networks of evolutionary interactions underlying the polyphyletic origin of ssDNA viruses". Current Opinion in Virology. 3 (5): 578–586. doi:10.1016/j.coviro.2013.06.010. PMID 23850154.
^ ^a ^b Munke, Anna; Kimura, Kei; Tomaru, Yuji; Wang, Han; Yoshida, Kazuhiro; Mito, Seiya; Hongo, Yuki; Okamoto, Kenta (30 August 2022). "Primordial Capsid and Spooled ssDNA Genome Structures Unravel Ancestral Events of Eukaryotic Viruses". mBio. 13 (4): e00156–22. doi:10.1128/mbio.00156-22. PMC 9426455. PMID 35856561.

External links

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[cressdna-1] Krupovic, M; Varsani, A; Kazlauskas, D; Breitbart, M; Delwart, E; Rosario, K; Yutin, N; Wolf, YI; Harrach, B; Zerbini, FM; Dolja, VV; Kuhn, JH; Koonin, EV (2020). "Cressdnaviricota: a Virus Phylum Unifying Seven Families of Rep-Encoding Viruses with Single-Stranded, Circular DNA Genomes". Journal of Virology. 94 (12): e00582-20. doi:10.1128/JVI.00582-20. PMC 7307096. PMID 32269128.

[2] "Virus Taxonomy: 2019 Release". talk.ictvonline.org. International Committee on Taxonomy of Viruses. Retrieved 25 April 2020.

[3] Kazlauskas, Darius; Dayaram, Anisha; Kraberger, Simona; Goldstien, Sharyn; Varsani, Arvind; Krupovic, Mart (April 2017). "Evolutionary history of ssDNA bacilladnaviruses features horizontal acquisition of the capsid gene from ssRNA nodaviruses". Virology. 504: 114–121. doi:10.1016/j.virol.2017.02.001. PMID 28189969.

[4] Tisza, Michael J; Pastrana, Diana V; Welch, Nicole L; Stewart, Brittany; Peretti, Alberto; Starrett, Gabriel J; Pang, Yuk-Ying S; Krishnamurthy, Siddharth R; Pesavento, Patricia A; McDermott, David H; Murphy, Philip M; Whited, Jessica L; Miller, Bess; Brenchley, Jason; Rosshart, Stephan P; Rehermann, Barbara; Doorbar, John; Ta'ala, Blake A; Pletnikova, Olga; Troncoso, Juan C; Resnick, Susan M; Bolduc, Ben; Sullivan, Matthew B; Varsani, Arvind; Segall, Anca M; Buck, Christopher B (4 February 2020). "Discovery of several thousand highly diverse circular DNA viruses". eLife. 9: e51971. doi:10.7554/eLife.51971. PMC 7000223. PMID 32014111.

[polyphyletic-5] Krupovic, Mart (October 2013). "Networks of evolutionary interactions underlying the polyphyletic origin of ssDNA viruses". Current Opinion in Virology. 3 (5): 578–586. doi:10.1016/j.coviro.2013.06.010. PMID 23850154.

[CtenDNAV-6] Munke, Anna; Kimura, Kei; Tomaru, Yuji; Wang, Han; Yoshida, Kazuhiro; Mito, Seiya; Hongo, Yuki; Okamoto, Kenta (30 August 2022). "Primordial Capsid and Spooled ssDNA Genome Structures Unravel Ancestral Events of Eukaryotic Viruses". mBio. 13 (4): e00156–22. doi:10.1128/mbio.00156-22. PMC 9426455. PMID 35856561.

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Cressdnaviricota

Virions of Maize streak virus
Virus classification
(unranked):	Virus
Realm:	Monodnaviria
Kingdom:	Shotokuvirae
Phylum:	*Cressdnaviricota*
Classes
See text