A barnavirus sequence mined from a transcriptome of the Antarctic pearlwort Colobanthus quitensis. ...

Because so few viruses in the family Barnaviridae have been reported, we searched for more of them in public sequence databases. Here, we report the complete coding sequence of Colobanthus quitensis associated barnavirus 1, mined from a transcriptome of the Antarctic pearlwort Colobanthus quitensis....

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Bibliographic Details
Main Authors: Nibert, Max L, Manny, Austin R, Debat, Humberto J, Firth, Andrew E, Bertini, Laura, Caruso, Carla
Format: Article in Journal/Newspaper
Language:English
Published: Springer Science and Business Media LLC 2018
Subjects:
Capsid Proteins
Caryophyllaceae
Data Mining
Databases, Genetic
Frameshifting, Ribosomal
Fungi
Genome, Viral
Open Reading Frames
Plant Viruses
RNA Viruses
RNA, Viral
RNA-Dependent RNA Polymerase
Transcriptome
Antarctic
The Antarctic
Antarc*
Online Access:https://dx.doi.org/10.17863/cam.23115
https://www.repository.cam.ac.uk/handle/1810/275847
Description
Summary:Because so few viruses in the family Barnaviridae have been reported, we searched for more of them in public sequence databases. Here, we report the complete coding sequence of Colobanthus quitensis associated barnavirus 1, mined from a transcriptome of the Antarctic pearlwort Colobanthus quitensis. The 4.2-kb plus-strand sequence of this virus encompasses four main open reading frames (ORFs), as expected for barnaviruses, including ORFs for a protease-containing polyprotein, an RNA-dependent RNA polymerase whose translation appears to rely on - 1 ribosomal frameshifting, and a capsid protein that is likely to be translated from a subgenomic RNA. The possible derivation of this virus from a fungus associated with C. quitensis is discussed. ...

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