1887

Abstract

Summary

The base sequence homology between all eight P-labelled RNA segments of fowl plague virus (FPV) and the complementary RNA (cRNA) of an influenza B virus (B-Mass), and between segment 8 of virus N and the cRNA of the same influenza B strain has been determined. All segments of FPV and segment 8 of virus N show a significant base sequence homology, ranging from 18 to 50% suggesting that influenza A and B viruses have a common ancestor. The conserved regions in segments 4, 6, and 8 of the influenza A strains are identical to corresponding regions of the influenza B virus tested.

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/content/journal/jgv/10.1099/0022-1317-37-2-243
1977-11-01
2021-10-20
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