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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 ?
On day 4, clinical examination and electroencephalography were normal, and his nasopharyngeal aspirate (NPA) was positive for HMPV and negative for respiratory syncytial virus; influenza A and B viruses; parainfluenza viruses 1, 2, and 3; adenovirus; and picornaviruses.
All picornaviruses are small icosahedrally-symmetric non-enveloped viruses that possess single-stranded, positive-sense RNA genomes.
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.
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.
Rhinoviruses and enteroviruses are the most common cause of respiratory infections in developed countries, but remarkably few data are available on the role of these picornaviruses in respiratory tract infections in the developing world.
MxA-sensitive viruses include members of the bunyaviruses, orthomyxoviruses, paramyxoviruses, rhabdoviruses, togaviruses, picornaviruses, and hepatitis B virus, a DNA virus with a genomic RNA intermediate (Haller et al.
The most common of these (41% of cases) were picornaviruses, which belong to the family Picornaviridae.
The viruses belong to a large group called picornaviruses.