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Abutilon Yellows Virus
''Abutilon yellows virus'' (AbYV (sometimes AYB) is a virus of the genus ''Crinivirus ''Crinivirus'', formerly the ''lettuce infectious yellows virus group'', is a genus of viruses, in the family ''Closteroviridae''. They are linear, single-stranded positive sense RNA viruses (and are therefore group IV). There are 14 species in ...''. Particle lengths were measured at 800-850 nm. Partial sequencing has taken place but full sequencing was not complete as of 2008. Criniviruses are considered a threat to crops, though less so than viruses the other whitefly transmitted virus genus '' Begomovirus'', which are predominant in both number and effect. Vector The vector is the banded-wing whitefly, '' Trialeurodes abutiloneus''.Liu, H. Y., Li, R. H., Wisler, G. C., & Duffus, J. E. (1997). Characterization of Abutilon yellows virus–a new clostero-like virus transmitted by banded-wing whitefly (Trialeurodes abutilonea). Phytopathology, 87, S58-S59 References External link ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crinivirus
''Crinivirus'', formerly the ''lettuce infectious yellows virus group'', is a genus of viruses, in the family ''Closteroviridae''. They are linear, single-stranded positive sense RNA viruses (and are therefore group IV). There are 14 species in this genus. Diseases associated with this genus include: yellowing and necrosis, particularly affecting the phloem. Examples of species whose entire genomes have been sequenced that are currently classified into the genus include the Sweet potato chlorotic stunt virus (SPCSV) and the Lettuce infectious yellows virus (LIYV).ICTVdB Management (2006) Genetics The viruses of this genus have segmented, bipartite genomes that add up to 7,500–19,500 nucleotides in length. Their genomes also code for proteins that do not form part of the virion particles as well as structural proteins. The Universal Virus Database describes that their genome sequences near their 3'-ends are capable of hairpin-loop formation and also believe that their 5'-ends ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Begomovirus
''Begomovirus'' is a genus of viruses, in the family ''Geminiviridae''. They are plant viruses that as a group have a very wide host range, infecting dicotyledonous plants. Worldwide they are responsible for a considerable amount of economic damage to many important crops such as tomatoes, beans, squash, cassava and cotton. There are 445 species in this genus. Morphology Virus particles are non-enveloped. The nucleocapsid is 38 nanometers (nm) long and 15–22 nm in diameter. While particles have basic icosahedral symmetry, they consist of two incomplete icosahedra—missing one vertex—joined together. There are 22 capsomeres per nucleocapsid. Genome Single stranded closed circular DNA. Many begomoviruses have a bipartite genome: this means that the genome is segmented into two segments (referred to as DNA A and DNA B) that are packaged into separate particles. Both segments are generally required for successful symptomatic infection in a host cell but DNA B is depe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trialeurodes Abutiloneus
''Trialeurodes abutiloneus'' or the banded-wing whitefly is a species of whitefly of the genus '' Trialeurodes'' first described by Haldeman in 1850. ''Trialeurodes abutiloneus'' is a plant pest in its own right and a vector for ''Abutilon yellows virus ''Abutilon yellows virus'' (AbYV (sometimes AYB) is a virus of the genus ''Crinivirus ''Crinivirus'', formerly the ''lettuce infectious yellows virus group'', is a genus of viruses, in the family ''Closteroviridae''. They are linear, single ...'' and '' Sweet potato chlorotic stunt virus''. References Whiteflies Insects described in 1850 {{Sternorrhyncha-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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