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Identification and subtyping of avian influenza viruses by reverse transcription-PCR

Identifieur interne : 001875 ( Main/Exploration ); précédent : 001874; suivant : 001876

Identification and subtyping of avian influenza viruses by reverse transcription-PCR

Auteurs : Ming-Shiuh Lee [Taïwan] ; Poa-Chun Chang [Taïwan] ; Jui-Hung Shien [Taïwan] ; Ming-Chu Cheng [Taïwan] ; Happy K. Shieh [Taïwan]

Source :

RBID : ISTEX:5D2576E3791CB87E4885E44FE07686427B2B838B

English descriptors

Abstract

Abstract: Avian influenza viruses have 15 different hemagglutinin (HA) subtypes (H1–H15). We report a procedure for the identification and HA-subtyping of avian influenza virus by reverse transcription-PCR (RT-PCR). The avian influenza virus is identified by RT-PCR using a set of primers specific to the nucleoprotein (NP) gene of avian influenza virus. The HA-subtypes of avian influenza virus were determined by running simultaneously 15 RT-PCR reactions, each using a set of primers specific to one HA-subtype. For a single virus strain or isolate, only one of the 15 RT-PCR reactions will give a product of expected size, and thus the HA-subtype of the virus is determined. The result of HA-subtyping was then confirmed by sequence analysis of the PCR product. A total of 80 strains or isolates of avian influenza viruses were subtyped by this RT-PCR procedure, and the result of RT-PCR gave an excellent (100%) correlation with the result of the conventional serological method. The RT-PCR procedure we developed is rapid and sensitive, and could be used for the identification and HA-subtyping of avian influenza virus in organ homogenates.

Url:
DOI: 10.1016/S0166-0934(01)00301-9


Affiliations:


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