微小核糖核酸病毒科 分類 參考文獻 外部連結 导航菜单編輯PicornaviridaePicornavirusICTVdB—The Universal Virus Database, version 4Porcine Enteroviral Encephalomyelitis微生物免疫學-Picornaviridae(小RNA病毒科)ICTV Online Report PicornaviridaeICTV International Committee on Taxonomy of Viruses Master Species ListsICTV International Committee on Taxonomy of Viruses (official site)PicornavirusesPicornaviruses in NCBI Taxonomy browserPicornaviridae classificationAnimal virusesViralzone: PicornaviridaeVirus Pathogen Database and Analysis Resource (ViPR): PicornaviridaeICTV

RNA病毒病毒学


巴爾的摩分類法





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編輯

微小核糖核酸病毒科

病毒分类





族:Group IV ((+) ssRNA)

科:

微小核糖核酸病毒科


Enterovirus
Rhinovirus
Hepatovirus
Cardiovirus
Apthovirus
Parechovirus
Erbovirus
Kobuvirus
Teschovirus


微小核糖核酸病毒科(picornaviridae)是沒有套膜、正股RNA、正20面體蛋白殼體的病毒,它的基因體在5'端有一個蛋白是用來當作RNA複製的primer,它的命名pico代表小,rna代表著核醣核酸,故Picornavirus的意思即微小的RNA病毒。微小病毒科根據巴爾的摩分類法歸類為第四綱,基因體大小從7.2kb至9.0kb。微小病毒科的mRNA在5'端並沒有CAP而是一種蛋白質稱為VPg,3'端一樣具有poly A tail,基因體兩端均有UTR(un-translated region,非轉譯區)。

微小病毒科可分為九屬,最常見的為腸病毒屬(Enteroviruses)及鼻病毒屬(Rhinoviruses)。腸病毒主要感染消化系統,可以忍耐低pH值的環境;鼻病毒則感染呼吸道。常見的病源體還有腸病毒70型、克沙奇病毒、A型肝炎、手足口病病毒等。



分類



  • 腸道病毒屬(Enterovirus)-代表種:小兒麻痺症病毒/脊髓灰質炎病毒(Poliovirus)


  • 鼻病毒屬(Rhinovirus)-代表種:人類鼻病毒A(Human rhinovirus A)

  • 肝病毒屬(Hepatovirus)-代表種:肝炎A型病毒(Hepatitis A virus, HAV)

  • 心病毒屬(Cardiovirus)-代表種:腦心肌炎病毒(Encephalomyocarditis virus)

  • 鵝口瘡病毒屬(Aphthovirus)-代表種:口蹄疫病毒(Foot-and-mouth disease virus)

  • 副腸內細胞病變人類孤兒病毒屬/副腸孤病毒屬(Parechovirus)-代表種:人類副腸內細胞病變人類孤兒病毒/人副腸孤病毒(Human parechovirus)


參考文獻


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  • Picornaviridae. Medical Subject Headings (MeSH). National Library of Medicine. [2007-09-03]. 


  • Picornavirus. The Pirbright Institute. [2007-09-03]. 


  • Büchen-Osmond, C. (编). ICTVdB—The Universal Virus Database, version 4. Columbia University, New York, USA. 2006. 


  • Kahn, Cynthia M.; Line, Scott (编). Porcine Enteroviral Encephalomyelitis. The Merck Veterinary Manual 9th. Merck. 2005-02-08. ISBN 0-911910-50-6. 



外部連結



  • 微生物免疫學-Picornaviridae(小RNA病毒科)


  • ICTV Online Report Picornaviridae

  • ICTV International Committee on Taxonomy of Viruses Master Species Lists

  • ICTV International Committee on Taxonomy of Viruses (official site)


  • Picornaviruses—description, replication, disease

  • Picornaviruses in NCBI Taxonomy browser


  • Picornaviridae classification by the International Committee on Taxonomy of Viruses

  • Animal viruses


  • Viralzone: Picornaviridae

  • Virus Pathogen Database and Analysis Resource (ViPR): Picornaviridae

  • ICTV







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