A genus of viruses (family Papovaviridae) containing DNA (MW 3 × 106), having virions about 45 nm in diameter, and including viruses oncogenic for animals; includes the polyoma virus of rodents, vacuolating viruses (SV40) of primates, and the BK and JC viruses of humans. [poly- + G. -oma, tumor]

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poly·oma·vi·rus .päl-ē-'ō-mə- n
1) cap the sole genus in a family (Polyomaviridae) of double-stranded DNA viruses that contain a single molecule of DNA, have a capsid composed of 72 capsomers, and induce tumors usu. in specific mammals and that include simian virus 40 and the causative agent of progressive multifocal leukoencephalopathy
2) any of the genus Polyomavirus of double-stranded DNA viruses

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Poly·o·ma·vi·rus (pol″e-oґmə-vi″rəs) [poly- + -oma + virus] the sole genus of the family Polyomaviridae. Two species, BK polyomavirus and JC polyomavirus, infect humans; others, such as simian virus 40, infect other mammals.

Medical dictionary. 2011.

Look at other dictionaries:

  • Polyomavirus — Systematik Reich: Viren Baltimore K. (dsDNA Viren) I Ordnung: N/A Familie: Polyomaviridae Gattung …   Deutsch Wikipedia

  • polyomavirus — [päl΄ē ō′mə vī΄rəs] n. 〚 POLY + OMA〛 any of a genus (Polyomavirus) of papovaviruses that naturally infect wild and laboratory mice, and that cause tumors when injected into newborn mice * * *       any of a subgroup of minute oncogenic DNA… …   Universalium

  • polyomavirus — [päl΄ē ō′mə vī΄rəs] n. [ POLY + OMA] any of a genus (Polyomavirus) of papovaviruses that naturally infect wild and laboratory mice, and that cause tumors when injected into newborn mice …   English World dictionary

  • Polyomavirus — Polyomavirus,   eine Gattung der Papovaviren, deren Name Polyoma sich von der Eigenschaft, bei der Übertragung auf Versuchstiere in vielen verschiedenen Organen Tumoren erzeugen zu können, ableitet. In ihren natürlichen Wirten (Mensch, Affe,… …   Universal-Lexikon

  • Polyomavirus — Taxobox image size = 240px image caption = Transmission electron micrograph of polyomavirus SV40 virus group = i familia = Polyomaviridae genus = Polyomavirus subdivision ranks = Species subdivision = African green monkey polyomavirus Baboon… …   Wikipedia

  • Polyomavirus — Les polyomavirus font partie de la famille des Polyomaviridae[1]. Ce sont des virus dont le génome est constitué d ADN bicaténaire circulaire. Les trois virus principaux sont, chez le singe : le Simian virus 40 (SV40), et chez l humain  …   Wikipédia en Français

  • polyomavirus — noun Etymology: New Latin polyoma, from poly + oma Date: 1958 any of a family (Polyomaviridae) of double stranded DNA viruses that produce tumors in specific mammals called also polyoma …   New Collegiate Dictionary

  • polyomavirus — A DNA tumour virus with very small genome (of the Papovaviridae). Polyoma was isolated from mice, in which it causes no obvious disease, but when injected at high titre into baby rodents, including mice, causes tumours of a wide variety of… …   Dictionary of molecular biology

  • polyomavirus — noun a papovavirus that induces a wide variety of tumours in newborn animals …   Wiktionary

  • Polyomavirus — Polyo̱|ma|virus [Kunstw.] s; , ..ren (meist Mehrz.): Virus, das in verschiedenen Organen und Geweben Tumoren hervorrufen kann …   Das Wörterbuch medizinischer Fachausdrücke

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