1887

Abstract

SUMMARY

The preexistence of a cytoplasmic membrane complex in HEp-2 cells, induced by poliovirus when inhibited in its reproduction by guanidine, was a prerequisite for accelerated reproduction of superinfecting Mouse Elberfeld (ME) virus. Guanidine-inhibited poliovirus induced a membrane complex of 470S that was successively modified into a faster sedimenting membrane complex (up to 700S) by superinfecting ME virus and exploited for ME virus reproduction. The modified membrane complex was the site for ME virus-specific RNA polymerization characterized by the existence of and activity of ME virus RNA polymerase associated with the modified membrane complex. Proof of membrane-bound RNA polymerase and newly synthesized ME virus RNA including replicative intermediate led to the conclusion that superinfecting ME virus exploits the ‘poliovirus/guanidine’-induced complex as the site of action of its replication complex.

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/content/journal/jgv/10.1099/0022-1317-64-4-951
1983-04-01
2022-01-25
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