Cystovirus: Difference between revisions
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'''''Cystovirus''''' is a genus of [[dsRNA]] [[virus]], which infect certain [[Gram negative]] [[bacteria]]. Most identified cystoviruses infect ''[[Pseudomonas]]'' species, but this is likely biased due to the method of screening and enrichment <ref name=Silander_2005>Silander, O. K., D. M. Weinreich, K. M. Wright, K. J. O'Keefe, C. U. Rang, P. E. Turner, and L. C. 2005. Widespread genetic exchange among terrestrial bacteriophages. Proc. Natl. Acad. Sci. USA 102:19009-19014. [http://www.pnas.org/cgi/content/full/102/52/19009 full text]</ref>. |
'''''Cystovirus''''' is a genus of [[dsRNA]] [[virus]], which infect certain [[Gram negative]] [[bacteria]]. Most identified cystoviruses infect ''[[Pseudomonas]]'' species, but this is likely biased due to the method of screening and enrichment <ref name=Silander_2005>Silander, O. K., D. M. Weinreich, K. M. Wright, K. J. O'Keefe, C. U. Rang, P. E. Turner, and L. C. 2005. Widespread genetic exchange among terrestrial bacteriophages. Proc. Natl. Acad. Sci. USA 102:19009-19014. [http://www.pnas.org/cgi/content/full/102/52/19009 full text]</ref>. |
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The type species is ''[[Pseudomonas phage Φ6]]'', but there are many other members of this family. Φ7, Φ8, Φ9, Φ10, Φ11, Φ12 and [[Φ13]] have been identified and named <ref name=Mindich_1999>[http://jb.asm.org/cgi/content/full/181/15/4505 |
The type species is ''[[Pseudomonas phage Φ6]]'', but there are many other members of this family. Φ7, Φ8, Φ9, Φ10, Φ11, Φ12 and [[Φ13]] have been identified and named <ref name=Mindich_1999>Mindich, L., X. Qiao, J. Qiao, S. Onodera, M. Romantschuk, and D. Hoogstraten. 1999. Isolation of additional bacteriophages with genomes of segmented double-stranded RNA. J. Bacteriol. 181:4505-4508. [http://jb.asm.org/cgi/content/full/181/15/4505 full text]</ref>, but other cystoviruses have also been isolated <ref name=Silander_2005>Silander, O. K., D. M. Weinreich, K. M. Wright, K. J. O'Keefe, C. U. Rang, P. E. Turner, and L. C. 2005. Widespread genetic exchange among terrestrial bacteriophages. Proc. Natl. Acad. Sci. USA 102:19009-19014. [http://www.pnas.org/cgi/content/full/102/52/19009 full text]</ref>. All cystoviruses are distinguished by their three strands (analogous to [[chromosomes]]) of [[dsRNA]], totalling ~14 kb in length and their [[protein]] and [[lipid]] outer layer. No other [[bacteriophage]] have any lipid in their outer coat, though the ''[[Tectiviridae]]'' and the ''[[Corticoviridae]]'' have lipids within their [[capsid|capsids]]. |
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Members of the ''[[Cystoviridae]]'' appear to be most closely related to the ''[[Reoviridae]]'' <ref name=Butcher_1997>[http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1170074 (Butcher ''et al.'' 1997, EMBO Journal)]</ref>, but also share [[homology]] with the ''[[Totiviridae]]''. Cystoviruses are the only [[bacteriophage]] that are more closely related to [[viruses]] of [[eukaryotes]] than other phage . |
Members of the ''[[Cystoviridae]]'' appear to be most closely related to the ''[[Reoviridae]]'' <ref name=Butcher_1997>[http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1170074 (Butcher ''et al.'' 1997, EMBO Journal)]</ref>, but also share [[homology]] with the ''[[Totiviridae]]''. Cystoviruses are the only [[bacteriophage]] that are more closely related to [[viruses]] of [[eukaryotes]] than other phage . |
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Revision as of 05:24, 23 October 2006
Template:Taxobox begin Template:Taxobox begin placement virus Template:Taxobox group iii entry Template:Taxobox familia entry Template:Taxobox genus entry Template:Taxobox end placement Template:Taxobox end Cystovirus is a genus of dsRNA virus, which infect certain Gram negative bacteria. Most identified cystoviruses infect Pseudomonas species, but this is likely biased due to the method of screening and enrichment [1].
The type species is Pseudomonas phage Φ6, but there are many other members of this family. Φ7, Φ8, Φ9, Φ10, Φ11, Φ12 and Φ13 have been identified and named [2], but other cystoviruses have also been isolated [1]. All cystoviruses are distinguished by their three strands (analogous to chromosomes) of dsRNA, totalling ~14 kb in length and their protein and lipid outer layer. No other bacteriophage have any lipid in their outer coat, though the Tectiviridae and the Corticoviridae have lipids within their capsids.
Members of the Cystoviridae appear to be most closely related to the Reoviridae [3], but also share homology with the Totiviridae. Cystoviruses are the only bacteriophage that are more closely related to viruses of eukaryotes than other phage .
Notes
- ^ a b Silander, O. K., D. M. Weinreich, K. M. Wright, K. J. O'Keefe, C. U. Rang, P. E. Turner, and L. C. 2005. Widespread genetic exchange among terrestrial bacteriophages. Proc. Natl. Acad. Sci. USA 102:19009-19014. full text
- ^ Mindich, L., X. Qiao, J. Qiao, S. Onodera, M. Romantschuk, and D. Hoogstraten. 1999. Isolation of additional bacteriophages with genomes of segmented double-stranded RNA. J. Bacteriol. 181:4505-4508. full text
- ^ (Butcher et al. 1997, EMBO Journal)
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