Abstract
The effects of rabies virus on host cells were studied and compared to those obtained with another rhabdovirus, vesicular stomatitis virus [ J. Virol. 34, 777–781 (1980)]. We show here: (1) that rabies infection has no effect on cell morphology, while infection with vesicular stomatitis virus caused cell retraction. Thus, only vesicular stomatitis virus induced a depolymerization of the microfilaments; and (2) that microtubules and microfilaments do not play a major role in rabies virus production, as it is suggested by results obtained with several effectors (colcemid, colchicine and cytochalasin-B) which directly or indirectly affect cytoskeleton organization. The same properties were observed with vesicular stomatitis virus. Furthermore, the use of cytochalasin-B shows that an inhibition of glycosylation of the virion spike protein occurs only in rabies infected cells. As vesicular stomatitis viral glycosylation is normal in cytochalasin-B treated cells, results obtained indicate that two types of interactions can occur between a virion and the host-cell depending on the rhabdovirus type.
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