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Related to picornaviruses: orthomyxoviruses, rhabdoviruses


 (pē-kôr′nə-vī′rəs, pĭ-)
n. pl. pi·cor·na·vi·rus·es
Any of a group of very small viruses, including the enteroviruses and the rhinoviruses, that infect animals and consist of RNA surrounded by an icosahedral protein shell.

[pico- + RNA + virus.]


(Microbiology) any one of a group of small viruses that contain RNA; the group includes polioviruses, rhinoviruses, coxsackie viruses, and the virus that causes foot-and-mouth disease
[C20: from pico + RNA + virus]


(pɪˈkɔr nəˌvaɪ rəs, -ˌkɔr nəˈvaɪ-)

n., pl. -rus•es.
any of several small, RNA-containing viruses of the family Picornaviridae, including poliovirus and the rhinoviruses that cause the common cold.
[1960–65; pico- (in the sense “very small”) + RNA + virus]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.picornavirus - a group of single-strand RNA viruses with a protein coat
animal virus - an animal pathogen that is a virus
enterovirus - any of a group of picornaviruses that infect the gastrointestinal tract and can spread to other areas (especially the nervous system)
rhinovirus - any of a group of picornaviruses that are responsible for many upper respiratory infections
References in periodicals archive ?
For the RT-PCR screening of CNS samples for the presence of pestiviruses (Flaviviridae) and swine picornaviruses (Picornaviridae), including teschovirus, enterovirus, sapelovirus, Seneca Valley virus, pasivirus, kobuvirus and encephalomyocarditis, we used virus-specific primer pairs as well as the outer and inner primer pairs targeting the RdRp or the capsid regions of PoAstV-3 (Figure 1; online Technical Appendix Tables 1, 2).
Picornaviruses are undersized, ether- insensitive, with RNA as genetic material.
All picornaviruses are small icosahedrally-symmetric non-enveloped viruses that possess single-stranded, positive-sense RNA genomes.
The most frequently detected noninfluenza viruses were human picornaviruses (673), respiratory syncytial virus A/B (312), human parainfluenza virus types 1 to 4 (193), adenoviruses B through D (157), bocaviruses (126), and coronaviruses OC43/229E (61); 467 children had two or more viruses detected, including 115 children with influenza.
Antiviral activity of raoulic acid from Raoulia australis against Picornaviruses.
The most common causative agents are picornaviruses which include the enterovirus and coxsackievirus groups.
For many years, scientists have known that viruses rely on functions provided by their host cells to increase their numbers, but the UCI study - led by microbiology and molecular genetics professor Bert Semler - is the first to identify how the RNA-containing picornaviruses utilize a DNA repair enzyme to do so.
Picornaviruses are small viruses infecting many animal species, including humans.
Frequency of detection of picornaviruses and seven others respiratory pathogens in infants.
The 2008 meeting of the European Study Group on the Molecular Biology of Picornaviruses was the catalyst for this valuable update on a family of viruses that causes the common cold, polio, hepatitis A, hoof-and-mouth disease, and other diseases.