''Umbravirus'' is a genus of plant
virus
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea.
Since Dmitri Ivanovsk ...
es assigned to the family ''Tombusviridae''. The genus has 11 species.
Transmission may be by
aphids
Aphids are small sap-sucking insects and members of the superfamily Aphidoidea. Common names include greenfly and blackfly, although individuals within a species can vary widely in color. The group includes the fluffy white woolly aphids. A t ...
or mechanical inoculation. The
genome
In the fields of molecular biology and genetics, a genome is all the genetic information of an organism. It consists of nucleotide sequences of DNA (or RNA in RNA viruses). The nuclear genome includes protein-coding genes and non-coding g ...
is a linear,
positive-sense
In molecular biology and genetics, the sense of a nucleic acid molecule, particularly of a strand of DNA or RNA, refers to the nature of the roles of the strand and its complement in specifying a sequence of amino acids. Depending on the context ...
, single-stranded
RNA, 4200–6900
nucleotides
Nucleotides are organic molecules consisting of a nucleoside and a phosphate. They serve as monomeric units of the nucleic acid polymers – deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), both of which are essential biomolecules with ...
in length.
Taxonomy
The genus contains the following species:
*''
Carrot mottle mimic virus''
*''
Carrot mottle virus''
*''
Ethiopian tobacco bushy top virus''
*''
Groundnut rosette virus
''Groundnut rosette virus'' (GRV) is a peanut pathogenic virus found in Sub-Saharan Africa. It is transmitted between plants by insect vectors such as the groundnut aphid (''Aphis craccivora'').
History
The groundnut (''Arachis hypogaea'') ori ...
''
*''
Ixeridium yellow mottle virus 2''
*''
Lettuce speckles mottle virus''
*''
Opium poppy mosaic virus''
*''
Patrinia mild mottle virus''
*''
Pea enation mosaic virus 2''
*''
Tobacco bushy top virus''
*''
Tobacco mottle virus''
References
External links
Viralzone: Umbravirus
Umbraviruses
Viral plant pathogens and diseases
Virus genera
{{Virus-stub