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Rymovirus
''Rymovirus'' is a genus of viruses, in the family ''Potyviridae''. Plants serve as natural hosts. There are three species in this genus. Taxonomy The genus contains the following species: *''Agropyron mosaic virus'' *''Hordeum mosaic virus'' *''Ryegrass mosaic virus'' Structure Viruses in ''Rymovirus'' are non-enveloped, with flexuous and filamentous geometries. The diameter is around 11-15 nm, with a length of 200-300 nm. Genomes are linear and non-segmented, bipartite, around 9-10kb in length. Life cycle Viral replication is cytoplasmic. Entry into the host cell is achieved by penetration into the host cell. Replication follows the positive stranded RNA virus replication model. Positive stranded RNA virus transcription is the method of transcription. The virus exits the host cell by tubule-guided viral movement. Plants serve as the natural host. The virus is transmitted via a vector (mite). Transmission routes are vector and mechanical. References External l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Potyviridae
''Potyviridae'' is a family of positive-strand RNA viruses that encompasses more than 30% of known plant viruses, many of which are of great agricultural significance. The family has 12 genera and 235 species, three of which are unassigned to a genus. Structure Potyvirid virions are nonenveloped, flexuous filamentous, rod-shaped particles. The diameter is around 12–15 nm, with a length of 200–300 nm. Genome Genomes are linear and usually nonsegmented, around 8–12kb in length, consisting of positive-sense RNA, which is surrounded by a protein coat made up of a single viral encoded protein called a capsid. All induce the formation of virus inclusion bodies called cylindrical inclusions (‘pinwheels’) in their hosts. These consist of a single protein (about 70 kDa) made in their hosts from a single viral genome product. Member viruses encode large polypeptides that are cleaved into mature proteins. In 5'–3' order these proteins are * P1 (a serine protease ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ryegrass Mosaic Virus
''Ryegrass mosaic virus'' (RMV) is a virus in the genus '' Rymovirus''. As the name suggests its hosts include ryegrass, but also other relatives in the family Poaceae Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns an .... RMV's genome was sequenced in 2015. References Potyviridae Viral plant pathogens and diseases Monocot diseases {{agriculture-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Agropyron Mosaic Virus
''Agropyron mosaic virus'' is a plant pathogenic virus of the family ''Potyviridae ''Potyviridae'' is a family of positive-strand RNA viruses that encompasses more than 30% of known plant viruses, many of which are of great agricultural significance. The family has 12 genera and 235 species, three of which are unassigned to a ...''. External links ICTVdB - The Universal Virus Database: Agropyron mosaic virus Viral plant pathogens and diseases Potyviridae {{Virus-plant-disease-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hordeum Mosaic Virus
Hordeum mosaic virus (HoMV) is a pathogenic plant virus. It affects barley crops. Hosts Hosts include '' Hordeum jubatum'' (Foxtail Barley). Taxonomy Forms a highly divergent clade within Potyvirus with the closely related ''Agropyron mosaic virus''. See also * List of barley diseases This article is a list of diseases of barley (''Hordeum vulgare''). Bacterial and fungal diseases Nematodes, parasitic Virus, viroid and virus-like diseases Phytoplasma diseases Miscellaneous diseases and disorders Sources Barley Disea ... References External links ICTVdB - The Universal Virus Database: Hordeum mosaic virus Potyviridae Viral plant pathogens and diseases {{Virus-plant-disease-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Viruses
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 Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898,Dimmock p. 4 more than 9,000 virus species have been described in detail of the millions of types of viruses in the environment. Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity. The study of viruses is known as virology, a subspeciality of microbiology. When infected, a host cell is often forced to rapidly produce thousands of copies of the original virus. When not inside an infected cell or in the process of infecting a cell, viruses exist in the form of independent particles, or ''virions'', consisting of (i) the genetic material, i.e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
