Gene analysis of reassortant influenza virus by RT-PCR followed by restriction enzyme digestion.


An amplification system for nearly full length cDNA coding the eight influenza virus segments of A type (H1N1, H2N2, H3N2) and B type influenza viruses is described. Each of the segments of PB1, PB2, PA, NP, M, and NS can be amplified using one 5' primer and one 3' primer for A-type influenza viruses. The RT-PCR amplification system was applied to define… (More)


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