The genome organization and affinities of an Australian isolate of carrot mottle umbravirus

Gibbs, M. J., Cooper, J. I., & Waterhouse, Peter M. (1996) The genome organization and affinities of an Australian isolate of carrot mottle umbravirus. Virology, 224(1), pp. 310-313.

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Abstract

The genomic sequence of an Australian isolate of carrot mottle umbravirus (CMoV-A) was determined from cDNA generated from dsRNA. This provides the first data on the genome organization and phylogeny of an umbravirus. The 4201-nucleotide genome contains four major open reading frames (ORFs). Analysis suggests that ORF2 encodes an RNA-dependent RNA polymerase, that ORF4 encodes a movement protein, and that the virus has no coat protein gene. The functions of ORFs 1 and 3 remain unknown. ORF2 is probably translated following ribosomal frameshifting. ORFs 3 and 4 are probably translated from a subgenomic mRNA. Sequence comparisons showed CMoV-A to be closely related to pea enation mosaic RNA2 NA2), but also to have affinities with the Bromoviridae. These findings shed light on the relationships between the luteoviruses, PEMV, and the umbraviruses and on the relationships between the carmo-like viruses and the Bromoviridae.

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ID Code: 66103
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: complementary dna, messenger rna, article, australia, controlled study, gene sequence, mosaic virus, nonhuman, open reading frame, plant virus, priority journal, rna sequence, Base Sequence, Codon, Initiator, Daucus carota, Genome, Viral, Molecular Sequence Data, Nucleic Acid Conformation, Open Reading Frames, Plant Viruses, RNA Viruses, RNA, Viral, Bromoviridae, Carrot mottle mimic virus, Carrot mottle virus, Pisum sativum, Umbravirus
DOI: 10.1006/viro.1996.0533
ISSN: 0042-6822
Subjects: Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > GENETICS (060400)
Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > PLANT BIOLOGY (060700)
Divisions: Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 1996 Academic Press
Deposited On: 13 Jan 2014 05:08
Last Modified: 13 Jan 2014 05:08

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