| 词条 | Prasinovirus | ||||||||||||||||||||||||||||
| 释义 |
| virus_group = i | familia = Phycodnaviridae | genus = Prasinovirus | subdivision_ranks = Type Species | subdivision =
}}Prasinovirus is a genus of large double-stranded DNA viruses, in the family Phycodnaviridae that infect phytoplankton in the Prasinophyceae. There are currently only two species in this genus including the type species Micromonas pusilla virus SP1 [1][2], that infects the cosmopolitan photosynthetic flagellate Micromonas pusilla.[3] However, there is a large group of genetically diverse but related viruses that show considerable evidence of lateral gene transfer.[4] [5] TaxonomyGroup: dsDNA{{Collapsible list|title= Order: Unassigned|1={{Collapsible list| framestyle=border:none; padding:1.0em;|title=Family: Phycodnaviridae |1={{hidden begin|title=Genus: Prasinovirus}}
}} }}[2] StructureViruses in Prasinovirus are enveloped, with icosahedral and Round geometries, and T=169 symmetry. The diameter is around 104-118 nm.[1]
Life cycleViral replication is nucleo-cytoplasmic. Replication follows the DNA strand displacement model. Dna templated transcription is the method of transcription. The virus exits the host cell by lysis via lytic phospholipids. Alga serve as the natural host. Transmission routes are passive diffusion.[1]
References1. ^1 2 {{cite web|title=Viral Zone|url=http://viralzone.expasy.org/all_by_species/591.html|publisher=ExPASy|accessdate=15 June 2015}} 2. ^1 {{cite web|last1=ICTV|title=Virus Taxonomy: 2014 Release|url=http://ictvonline.org/virusTaxonomy.asp|accessdate=15 June 2015}} 3. ^{{Cite journal|last=Cottrell|first=Matthew T.|last2=Suttle|first2=Curtis A.|date=1991|title=Wide-spread occurrence and clonal variation in viruses which cause lysis of a cosmopolitan, eukaryotic marine phytoplankter, "Micromonas pusilla"|journal=Marine Ecology Progress Series |volume=78 |pages=1–9 |issn=1616-1599|url=http://www.int-res.com/articles/meps/78/m078p001.pdf |doi=10.3354/meps078001}} 4. ^{{Cite journal|last=Bellec|first=Laure|last2=Grimsley |first2=Nigel|last3=Derelle |first3=Evelyn|last4=Moreau |first4=Herve|last5=Desdevises |first5=Yves|date=2010|title=Abundance, spatial distribution and genetic diversity of Ostreococcus tauri viruses in two different environments |journal=Environmental Microbiology Reports |volume=2 |issue=2|pages=313–321 |doi=10.1111/j.1758-2229.2010.00138.x |pmid=23766083}} 5. ^1 {{Cite journal|last=Finke |first=Jan F |last2=Winget |first2=Danielle M |last3=Chan |first3=Amy M|last4=Suttle |first4=Curtis A |date=2017 |title=Variation in the genetic repertoire of viruses Infecting Micromonas pusilla reflects horizontal gene transfer and links to their environmental distribution |journal=Viruses |volume=9 |issue=5 |pages=116 |doi=10.3390/v9050116 |pmid=28534829 |url= http://www.mdpi.com/1999-4915/9/5/116/htm}} External links
1 : Phycodnaviridae |
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