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Encyclopedia > Kobuvirus
Wikipedia:How to read a taxobox
Kobuvirus
Virus classification
Group: Group IV ((+)ssRNA)
Family: Picornaviridae
Genus: Kobuvirus

Kobuvirus is a viral genus belong to the family Picornaviridae. They infect vertebrates. Aichi virus is an example of species belonging to this genus. Virus classification involves naming and placing viruses into a taxonomic system. ... An RNA virus is a virus that either uses RNA as its genetic material, or whose genetic material passes through an RNA intermediate during replication. ... Genera Enterovirus Rhinovirus Hepatovirus Cardiovirus Apthovirus Parechovirus Erbovirus Kobuvirus Teschovirus Picornaviruses are viruses that belong to the family Picornaviridae. ... Groups I: dsDNA viruses II: ssDNA viruses III: dsRNA viruses IV: (+)ssRNA viruses V: (-)ssRNA viruses VI: ssRNA-RT viruses VII: dsDNA-RT viruses A virus (from the Latin noun virus, meaning toxin or poison) is a microscopic particle (ranging in size from 20 - 300 nm) that can infect the... For other uses of the word, please see Genus (disambiguation). ... Genera Enterovirus Rhinovirus Hepatovirus Cardiovirus Apthovirus Parechovirus Erbovirus Kobuvirus Teschovirus Picornaviruses are viruses that belong to the family Picornaviridae. ...


Virus particles

The molecular mass of a typical virion particle of this genus is typically eight to nine million (1). The virions of the viruses in this genus consist of regular non-encapsulated capsids that are 27 nm to 30 nm in diameter (1). The capsid is described as being round and displaying icosahedral symmetry (1). The capsid is believed to consist of 12 capsomers and the capsid shell structure of these virions has a monolayer composition (1). Using conventional electron microscopy, the structure of the capsid surface can be visualised stably (1). The virus particles in the virus populations are generally of one exact particle size throughout each population (1). Also, within each of their populations, these virus particles all look identical to one another and only one single species is found in preparations (for electron microscopy) though parts of particles are also commonly found (1). The virus particles do not have nucleic acids (1). These virions have a sedimentation coefficient of 140-165 S20w (1). The particles are described to be “relatively stable” in vitro (in comparison to other viruses) and unstable in acidic conditions of pH 6 (1). They have also been found to be insensitive to treatment with some chemicals including chloroform, ether and non-ionic detergents (1).


Genetics

The viruses in this genus have single-stranded, linear non-segmented, positive-sense RNA genomes with lengths of 7000-9000 nucleotides (1).


References

ICTVdB - The Universal Virus Database, version 4. http://www.ncbi.nlm.nih.gov/ICTVdb/ICTVdB/


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Encyclopedia: Human polio virus (2986 words)
Viruses can be classified in several ways, such as by their geometry, by whether they have envelopes, by the identity of the host organism they can infect, by mode of transmission, or by the type of disease they cause.
Genera Enterovirus Rhinovirus Hepatovirus Cardiovirus Apthovirus Parechovirus Erbovirus Kobuvirus Teschovirus Picornaviruses are viruses that belong to the family Picornaviridae.
Species Polio virus Coxsackie virus Echo virus The enteroviruses are a genus of (+)ssRNA viruses associated with several human and mammalian diseases.
Isolation and characterization of a new species of kobuvirus associated with cattle. (222 words)
Isolation and characterization of a new species of kobuvirus associated with cattle.
Isolation and characterization of a new species of kobuvirus associated with cattle.A cytopathic agent was isolated using Vero cells from the culture medium of HeLa cells that had been used for more than 30 years in our laboratory.
These results indicated that U-1 strain, suspected to be a contaminant from calf sera, is a new species of the genus Kobuvirus, now termed bovine kobuvirus.
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