virion


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Related to virion: viroid, prion

vi·ri·on

 (vī′rē-ŏn′, vîr′ē-)
n.
A complete viral particle, consisting of RNA or DNA surrounded by a protein shell and constituting the infective form of a virus.

virion

(ˈvaɪrɪən)
n
(Biochemistry) a virus in infective form, consisting of an RNA particle within a protein covering
[C20: from vir(us) + ion]

vi•ri•on

(ˈvaɪ riˌɒn, ˈvɪr i-)

n.
the infectious form of a virus as it exists outside the host cell, consisting of a core of DNA or RNA, a protein coat, and, in some species, an external envelope.
[1960–65; < French virion (1959) =viri(en) viral (see virus, -ian) + -on -on1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.virion - (virology) a complete viral particle; nucleic acid and capsid (and a lipid envelope in some viruses)
virus - (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein
capsid - the outer covering of protein surrounding the nucleic acid of a virus
subatomic particle, particle - a body having finite mass and internal structure but negligible dimensions
Translations
virion

vi·ri·on

n. virión, partícula viral madura que constituye la forma extracelular infecciosa de un virus.
References in periodicals archive ?
This approach and the ability to say 'that virion infected that cell' will help bring clarity to the field," said principal investigator Thomas Hope.
The NS5A protein plays essential roles in the HCV viral life cycle, including viral RNA replication and virion (viral particle) assembly.
Coat protein (CP) of geminivirus is not requisite for replication of viral DNA yet it is multifunctional and have crucial role in virus transmission by insect vector, systemic infection and virion development.
The amino-terminal one-third of the polyprotein yields the 3 flaviviral structural proteins, which are present in the virion particle- capsid (C), premembrane (prM), and envelope (E).
This amino acid is located in the pr section of the prM protein, which is cleaved during virion maturation into a pr protein and a small membrane-anchored M peptide.
The family of herpes viridae is based on a four layered structure of the virion.
Red: Its Languedoc-Roussillon Costieres de Nimes from Louis Virion is the region's usual blend of syrah, grenache and mourvedre.
ABR's BPyV assay employs proprietary testing methods and an antibody based detection strategy that results in sensitivity of 1 virion.
Some of the ultrastructural morphology displayed by an Ebola virus virion is revealed in this undated handout colorized transmission electron micrograph (TEM) obtained by Reuters August 1, 2014.
Subsequently, virion penetrates the cell then makes use of the metabolic machinery and pathways of the living cell to make copies of its nucleic acid and synthesisze protein subunit.