Bacilladnavirus
| Bacilladnavirus | |
|---|---|
| Virus classification | |
| Group: |
Group II (ssDNA)
|
| Order: |
Unassigned
|
| Family: |
Unassigned
|
| Genus: |
Bacilladnavirus
|
| Type species | |
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Bacilladnavirus is a genus of single stranded DNA viruses. Species in this genus infect diatoms.[1] The name is derived from the phrase: ssDNA virus infecting Bacillariophytes.[2] Although other single-stranded DNA viruses which infect diatoms have been discovered (Chaetoceros debilis DNA virus (CdebDNAV), C. tenuissimus DNA virus (CtenDNAV), C. lorenzianus DNA virus (ClorDNAV), C. sp. strain TG07-C28 DNA virus (Csp05DNAV), C. setoensis DNA virus (CsetDNAV), and Thalassionema nitzschioides DNA virus (TnitDNAV)), the only species officially classified in this genus is Chaetoceros salsugineum DNA virus 01 (CsalDNAV01.)[2][3][4] It was suggested that the family Bacillariodnaviridae be used to classify these viruses, but this classification has not been officially accepted.[3][5]
Genome
The genome of these viruses appears to be unique. It consists of a single molecule of covalently closed circular single stranded DNA of ~6 kilobases as well as a segment of linear ssDNA of ~1 kilobase. The linear segment is complementary to a portion of the closed circle creating a partially double stranded region.
There are at least three major open reading frames: one of these has a high similarity to replicase related proteins of the other ssDNA viruses.
Molecular biology
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Virology
These viruses have been isolated from diatoms of the Chaetoceros genus.[6][1]
The virions are ~34 nanometers (nm) in diameter.
The virions accumulate in the nucleus.
Mature virions are released by lysis of the host.
References
- ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 ICTV proposals 2009.002a-fF et al., Yuji Tomaru, Keizo Nagasaki. Accessed on line Nov. 20, 2015.
- ↑ 3.0 3.1 ICTV Virus Taxonomy 2014, accessed on line Nov. 20, 2015.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
